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Interpretable Spatio-Temporal Embedding For Brain Structural-Effective Network With Ordinary Differential Equation, Haoteng Tang, Guodong Liu, Siyuan Dai, Kai Ye, Kun Zhao, Wenlu Wang, Carl Yang, Lifang He, Alex D. Leow, Paul Thompson Oct 2024

Interpretable Spatio-Temporal Embedding For Brain Structural-Effective Network With Ordinary Differential Equation, Haoteng Tang, Guodong Liu, Siyuan Dai, Kai Ye, Kun Zhao, Wenlu Wang, Carl Yang, Lifang He, Alex D. Leow, Paul Thompson

Computer Science Faculty Publications

The MRI-derived brain network serves as a pivotal instrument in elucidating both the structural and functional aspects of the brain, encompassing the ramifications of diseases and developmental processes. However, prevailing methodologies, often focusing on synchronous BOLD signals from functional MRI (fMRI), may not capture directional influences among brain regions and rarely tackle temporal functional dynamics. In this study, we first construct the brain-effective network via the dynamic causal model. Subsequently, we introduce an interpretable graph learning framework termed Spatio-Temporal Embedding ODE (STE-ODE). This framework incorporates specifically designed directed node embedding layers, aiming at capturing the dynamic inter-play between structural and …


"Bp", Gavin Fryer Oct 2024

"Bp", Gavin Fryer

Bronx Jewish History Project

BP was born in 1937 in Pelham Parkway, and moved to the Parkchester housing development in 1941, where he grew up. He recalls the convenient amenities such as nearby shopping and playgrounds, but notes the occasional shortages and power outages connected to World War II. He also shares his experiences with antisemitism, citing the 4.7% quota on Jewish tenants and taunts from children while coming home from school.

BP led a busy, studious childhood at JHS 98 and the Bronx High School of Science, from which he graduated in 1954. He continued his education at New York University’s University Heights …


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Risk Assessment, Diagnostic Imaging, And Microbiological Evaluation In Adults, Children, And Pregnant People, Romney Humphries, Pranita D Tamma, Fredrick M Abrahamian, Mary Bessesen, E Patchen Dellinger, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Sarah Pahlke, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Risk Assessment, Diagnostic Imaging, And Microbiological Evaluation In Adults, Children, And Pregnant People, Romney Humphries, Pranita D Tamma, Fredrick M Abrahamian, Mary Bessesen, E Patchen Dellinger, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Sarah Pahlke, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

As the first part of an update to the clinical practice guideline on the diagnosis and management of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America, the panel presents 21 updated recommendations. These recommendations span risk assessment, diagnostic imaging, and microbiological evaluation. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations, Assessment, Development, and Evaluation) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intraabdominal Infections: Diagnostic Imaging Of Suspected Acute Cholecystitis And Acute Cholangitis In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Ellie Goldstein, Mary K Hayden, Romney Humphries, Kaye, Brian A Potoski, Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intraabdominal Infections: Diagnostic Imaging Of Suspected Acute Cholecystitis And Acute Cholangitis In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Ellie Goldstein, Mary K Hayden, Romney Humphries, Kaye, Brian A Potoski, Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

This article is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intraabdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this article, the panel provides recommendations for diagnostic imaging of suspected acute cholecystitis and acute cholangitis. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Diagnostic Imaging Of Suspected Acute Intra-Abdominal Abscess In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Diagnostic Imaging Of Suspected Acute Intra-Abdominal Abscess In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

This article is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this article, the panel provides recommendations for diagnostic imaging of suspected acute intra-abdominal abscess. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Utility Of Blood Cultures In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Sarah Pahlke, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Utility Of Blood Cultures In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Sarah Pahlke, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

This article is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this guideline, the panel provides recommendations for obtaining blood cultures in patients with known or suspected intra-abdominal infection. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Diagnostic Imaging Of Suspected Acute Diverticulitis In Adults And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Diagnostic Imaging Of Suspected Acute Diverticulitis In Adults And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

This paper is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this paper, the panel provides recommendations for diagnostic imaging of suspected acute diverticulitis. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Utility Of Intra-Abdominal Fluid Cultures In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Utility Of Intra-Abdominal Fluid Cultures In Adults, Children, And Pregnant People, Mary Bessesen, Anthony W Chow, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Jennifer Loveless

Faculty, Staff and Students Publications

This paper is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this paper, the panel provides recommendations for obtaining cultures of intra-abdominal fluid in patients with known or suspected intra-abdominal infection. The panel's recommendations are based on evidence derived from systematic literature reviews and adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach.


2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Risk Assessment In Adults And Children, Mary Bessesen, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Dipleen Kaur, Jennifer Loveless Oct 2024

2024 Clinical Practice Guideline Update By The Infectious Diseases Society Of America On Complicated Intra-Abdominal Infections: Risk Assessment In Adults And Children, Mary Bessesen, E Patchen Dellinger, Morven S Edwards, Ellie Goldstein, Mary K Hayden, Romney Humphries, Keith S Kaye, Brian A Potoski, Jesús Rodríguez-Baño, Robert Sawyer, Marion Skalweit, David R Snydman, Pranita D Tamma, Katelyn Donnelly, Dipleen Kaur, Jennifer Loveless

Faculty, Staff and Students Publications

This paper is part of a clinical practice guideline update on the risk assessment, diagnostic imaging, and microbiological evaluation of complicated intra-abdominal infections in adults, children, and pregnant people, developed by the Infectious Diseases Society of America. In this paper, the panel provides a recommendation for risk stratification according to severity of illness score. The panel's recommendation is based on evidence derived from systematic literature reviews and adheres to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations, Assessment, Development, and Evaluation) approach.


Terminal Differentiation Precedes Functional Circuit Integration In The Peduncle Neurons In Regenerating Hydra Vulgaris, Guillaume Duret, Celina E Juliano, Jacob T Robinson Oct 2024

Terminal Differentiation Precedes Functional Circuit Integration In The Peduncle Neurons In Regenerating Hydra Vulgaris, Guillaume Duret, Celina E Juliano, Jacob T Robinson

Faculty, Staff and Students Publications

Understanding how neural circuits are regenerated following injury is a fundamental question in neuroscience. Hydra is a powerful model for studying this process because it has a simple neural circuit structure, significant and reproducible regenerative abilities, and established methods for creating transgenics with cell-type-specific expression. While Hydra is a long-standing model for regeneration and development, little is known about how neural activity and behavior is restored following significant injury. In this study, we ask if regenerating neurons terminally differentiate prior to reforming functional neural circuits, or if neural circuits regenerate first and then guide the constituent naive cells toward their …


Latino Young Adults’ Experiences As Children And Adolescents With Incarcerated Parents, Anna Garcia Oct 2024

Latino Young Adults’ Experiences As Children And Adolescents With Incarcerated Parents, Anna Garcia

Walden Dissertations and Doctoral Studies

Parental incarceration has a significant impact on children’s and adolescents’ lives, including emotional and mental well-being, which can carry to their adulthood. Although parental incarceration has been researched, the lived experiences and mental health needs of Latino children and adolescents of incarcerated parents have not been explored. The purpose of this qualitative phenomenological study was to understand the recollections of young Latino adults about their lived experiences and mental health needs as children and adolescents with incarcerated parents. Data were collected through semistructured participant interviews with open-ended questions. Participants were 10 Latino young adults who had experienced having at least …


Relationship Between Technology Adoption And Event Sponsorship In Technology-Adopted Events, Sidner Bosibori Nyaboga Oct 2024

Relationship Between Technology Adoption And Event Sponsorship In Technology-Adopted Events, Sidner Bosibori Nyaboga

Walden Dissertations and Doctoral Studies

Technology advancement and adoption can affect organizations and industries in different dimensions and spectrums. Technology acceptance is evident through innovative solutions in the events industry, such as virtual and hybrid event delivery modes. However, technology shifts could adversely affect the outcomes of event sponsorships. The problem was the lack of understanding of technology adoption effects on events sponsorships, limiting events professionals in developing effective techniques. This quantitative nonexperimental correlational study involved adopting the technology acceptance model (TAM) to examine the correlation between the predictor variables perceived usefulness (PU), perceived ease of use (PEU), and behavior intention (BI) and the outcome …


Cell Type-Specific Epigenetic Priming Of Gene Expression In Nucleus Accumbens By Cocaine, Philipp Mews, Yentl Van Der Zee, Ashik Gurung, Molly Estill, Rita Futamura, Hope Kronman, Aarthi Ramakrishnan, Meagan Ryan, Abner A Reyes, Benjamin A Garcia, Caleb J Browne, Simone Sidoli, Li Shen, Eric J Nestler Oct 2024

Cell Type-Specific Epigenetic Priming Of Gene Expression In Nucleus Accumbens By Cocaine, Philipp Mews, Yentl Van Der Zee, Ashik Gurung, Molly Estill, Rita Futamura, Hope Kronman, Aarthi Ramakrishnan, Meagan Ryan, Abner A Reyes, Benjamin A Garcia, Caleb J Browne, Simone Sidoli, Li Shen, Eric J Nestler

2020-Current year OA Pubs

A hallmark of addiction is the ability of drugs of abuse to trigger relapse after periods of prolonged abstinence. Here, we describe an epigenetic mechanism whereby chronic cocaine exposure causes lasting chromatin and downstream transcriptional modifications in the nucleus accumbens (NAc), a critical brain region controlling motivation. We link prolonged withdrawal from cocaine to the depletion of the histone variant H2A.Z, coupled with increased genome accessibility and latent priming of gene transcription, in D1 dopamine receptor-expressing medium spiny neurons (D1 MSNs) that relate to aberrant gene expression upon drug relapse. The histone chaperone ANP32E removes H2A.Z from chromatin, and we …


Identification Of An Ionic Mechanism For Erα-Mediated Rapid Excitation In Neurons, Peiyu Gao, Kaifan Yu, Hesong Liu, Hailan Liu, Yongxiang Li, Olivia Z Ginnard, Kristine M Conde, Mengjie Wang, Xing Fang, Longlong Tu, Jonathan C Bean, Qingzhuo Liu, Yue Deng, Yuxue Yang, Junying Han, Sanika V Jossy, Megan L Burt, Huey Zhong Wong, Yongjie Yang, Benjamin R Arenkiel, Yang He, Shaodong Guo, Pierre Gourdy, Jean-Francois Arnal, Francoise Lenfant, Zhao Wang, Chunmei Wang, Yanlin He, Yong Xu Oct 2024

Identification Of An Ionic Mechanism For Erα-Mediated Rapid Excitation In Neurons, Peiyu Gao, Kaifan Yu, Hesong Liu, Hailan Liu, Yongxiang Li, Olivia Z Ginnard, Kristine M Conde, Mengjie Wang, Xing Fang, Longlong Tu, Jonathan C Bean, Qingzhuo Liu, Yue Deng, Yuxue Yang, Junying Han, Sanika V Jossy, Megan L Burt, Huey Zhong Wong, Yongjie Yang, Benjamin R Arenkiel, Yang He, Shaodong Guo, Pierre Gourdy, Jean-Francois Arnal, Francoise Lenfant, Zhao Wang, Chunmei Wang, Yanlin He, Yong Xu

Faculty, Staff and Students Publications

The major female ovarian hormone, 17β-estradiol (E2), can alter neuronal excitability within milliseconds to regulate a variety of physiological processes. Estrogen receptor-α (ERα), classically known as a nuclear receptor, exists as a membrane-bound receptor to mediate this rapid action of E2, but the ionic mechanisms remain unclear. Here, we show that a membrane channel protein, chloride intracellular channel protein-1 (Clic1), can physically interact with ERα with a preference to the membrane-bound ERα. Clic1-mediated currents can be enhanced by E2 and reduced by its depletion. In addition, Clic1 currents are required to mediate the E2-induced rapid excitations in multiple brain ERα …


Volume Cxliv, Number 2, October 4, 2024, Lawrence University Oct 2024

Volume Cxliv, Number 2, October 4, 2024, Lawrence University

The Lawrentian

No abstract provided.


Quantifying The Impact Of Rain-On-Snow Induced Flooding In The Western United States, Brennan Lynn Bean, Emma Watts Oct 2024

Quantifying The Impact Of Rain-On-Snow Induced Flooding In The Western United States, Brennan Lynn Bean, Emma Watts

Mathematics and Statistics Faculty Publications

The potentially destructive flooding resulting from rain-on-snow (ROS) events motivates efforts to better incorporate these events and their residual effects into flood-related infrastructure design. This paper examines relationships between measured streamflow surges at streamgages across the Western United States and the meteorological conditions preceding them at SNOTEL stations within the same water catchment. Relevant stream surges are identified using a peak detection algorithm via time series analysis, which are then labeled ROS- or non-ROS-induced based on the preceding meteorological conditions. Both empirical and model-derived differences between ROS- and non-ROS-induced stream surges are then explored, which suggest that ROS-induced stream surges …


The George-Anne Daily Deep Dive, Georgia Southern University Oct 2024

The George-Anne Daily Deep Dive, Georgia Southern University

George-Anne Media Group: Newsletters & Magazines

No abstract provided.


Study Of The Synthesis Mechanism And Some Properties Of Oligomers Based On Epichlorohydrin And Diphenylguanidine, Rovshan Israilovich Ismailov, Normuhamad Edgarov, Alisher Israilovich Ismailov Oct 2024

Study Of The Synthesis Mechanism And Some Properties Of Oligomers Based On Epichlorohydrin And Diphenylguanidine, Rovshan Israilovich Ismailov, Normuhamad Edgarov, Alisher Israilovich Ismailov

Technical science and innovation

In this work, the synthesis and the scheme for obtaining an oligomer based on epiiodhydrin with diphenylguanidine were studied, the proportions of epiiodhydrin in the initial mixture, the yield of oligomers, and the reduced viscosity were studied. The results of spectroscopic and elemental analyzes are obtained, which show that changes in the ratio of monomers have almost no effect on the iodine content in the oligomer. This is apparently due to the fact that epiiodhydrin is much more active in reactions than amino compounds. By studying the degree of conversion on the viscosity of the oligomerization products, the effects on …


Study Of The Physical-Chemical Properties Of Chitosan Synthesized By The Cryogenic Method From Apis Mellifera Bees, Dilnoza Sohibovna Isomitdinova, Gulnora Akmalovna Ikhtiyarova, Jahongir Mustaqim O’G’Li Sharopov Oct 2024

Study Of The Physical-Chemical Properties Of Chitosan Synthesized By The Cryogenic Method From Apis Mellifera Bees, Dilnoza Sohibovna Isomitdinova, Gulnora Akmalovna Ikhtiyarova, Jahongir Mustaqim O’G’Li Sharopov

Technical science and innovation

Chitosan was synthesized from Apis Mellifera dead bees by traditional and cryogenic methods, and the degree of deacetylation, viscosity, and molecular mass of the synthesized sample was studied. Chitosan was synthesized by deacetylation of chitin under cryogenic conditions. NaOH concentration 40%, temperature 90 ± 3 °C, time 120 min. The degree of deacetylation, and molecular mass was determined using an Ubbelode viscometer. DDA was determined by conductometric titration under standard conditions. The degree of deacetylation of Apis Mellifera chitosan was 87%. synthesized by cryogenic method DDA of chitosan was 83% synthesized by traditional method. Conducting the synthesis in liquid nitrogen …


Ir Spectral Analysis Of Broussonetia Papyrefera Plant, Umid Hamroyevich Alamov, Zaytuna Ali Qizi Qurbonaliyeva, Dostonbek Qurbonsho Ugli Shomurodov, Elmurod Abduqodirovich Egamberdiev Oct 2024

Ir Spectral Analysis Of Broussonetia Papyrefera Plant, Umid Hamroyevich Alamov, Zaytuna Ali Qizi Qurbonaliyeva, Dostonbek Qurbonsho Ugli Shomurodov, Elmurod Abduqodirovich Egamberdiev

Technical science and innovation

in this study, a method for determining the concentration of lignin, cellulose and hemicellulose in plant materials using Fourier-transform IR spectroscopy of Broussonetia papyrefera was developed and tested. The procedure is based on the use of calibration functions that reflect the dependence of the intensity of analytical absorption lines on the concentration of lignin (1512 cm-1) and cellulose (1450 cm-1) in standard samples; indirect correlation was used for hemicellulose. The model samples were ternary mixtures composed of lignin, bacterial cellulose and hemicellulose in different proportions. The proposed method was tested on a wide range of plant biomass samples.


Establishing Optimal Parameters Of The Technological Mode Operation Of A Water-Penetrating Gas Well, Vladimir Mixaylovich Shevtsov, Lobar Zoirovna Igamberdieva, Azamjon Alimdjanovich Zakirov Oct 2024

Establishing Optimal Parameters Of The Technological Mode Operation Of A Water-Penetrating Gas Well, Vladimir Mixaylovich Shevtsov, Lobar Zoirovna Igamberdieva, Azamjon Alimdjanovich Zakirov

Technical science and innovation

The article discusses research on finding the optimal parameters of the technological operating mode of wells that minimize the water cut of well production, based on a detailed analysis of the geological and field characteristics of the deposit and materials from gas-hydrodynamic studies. Using the example of well 77 of the Sharkiy Berdak gas condensate field, the optimal parameters of the technological mode of its operation with minimal removal of formation water in its production were determined according to the data of gas-hydrodynamic studies. Analyzing the obtained results of processing data from gas-hydrodynamic studies, recommendations were made to install a …


Justification Of The Effectiveness Of Software For The Design Of Open-Pit Mining, Tolib Olimovich Komilov, Bobirjon Nabijonovich Ashurov, Ulugbek Bakhtiyorovich Sattarov, Ma’Ruf Ixtiyorovich Karimov Oct 2024

Justification Of The Effectiveness Of Software For The Design Of Open-Pit Mining, Tolib Olimovich Komilov, Bobirjon Nabijonovich Ashurov, Ulugbek Bakhtiyorovich Sattarov, Ma’Ruf Ixtiyorovich Karimov

Technical science and innovation

The article notes that the economic feasibility of implementing a project based on deposits directly affects the economy of the country and the region, as well as the construction of new facilities, the use of the most balanced approaches and design solutions in a complex will allow achieving the set goal of increasing production volumes and bringing the enterprise to a new level of development. In order to achieve the above goals, it has been proven with the implementation of investment projects using software for the design of open-pit mining, it is possible to further develop the region, agriculture with …


Study Of Technological Parameters On Catalytic Hydroisomerisation Of Aromatic Hydrocarbons Into Alkyl Naphthenic Hydrocarbons, Habibullaeva Mirzaxmatovna Ra'no, Nodira Turobjonovna Torayeva, Temurbek Z. Daminov, Murod Azimovich Eshmukhamedov Oct 2024

Study Of Technological Parameters On Catalytic Hydroisomerisation Of Aromatic Hydrocarbons Into Alkyl Naphthenic Hydrocarbons, Habibullaeva Mirzaxmatovna Ra'no, Nodira Turobjonovna Torayeva, Temurbek Z. Daminov, Murod Azimovich Eshmukhamedov

Technical science and innovation

The article presents experimental results of the catalytic hydroisomerization of aromatic hydrocarbons into alkyl naphthenic hydrocarbons. Aluminum col-molybdenum with silicon oxides has been studied as a catalytic system, which imparts acidic properties to the catalytic system and stimulates isomerization.

The dehydrogenation reaction of cyclohexane has been studied, which occurs on the active surface of one of the metal oxides to cyclohexene, then the resulting cycloolefin diffuses to the acidic active center - aluminosilicate, where skeletal isomerization occurs and then the isomerized cycloolefin again returns to the active center of the surface of the catalytic system, where it is hydrogenated to …


Development Of A Universal Humidity Converter At Ultra High Frequency, Hulkar Asadullayevna Usmonova, Asadulla Turgunbayev Oct 2024

Development Of A Universal Humidity Converter At Ultra High Frequency, Hulkar Asadullayevna Usmonova, Asadulla Turgunbayev

Technical science and innovation

The article proposes the and principle of operation of a universal primary measuring transducer of humidity at an ultra-high frequency with reciprocating motion along the vertical axis of rotation, which allows increasing the information redundancy of the primary measuring transducer (the influence of inhomogeneities, including humidity in the composition of the material, on the measurement result is averaged). The design of the primary measuring transducer under consideration provides for correction of the moisture measurement result by the mass (density) of the material, which will make it possible to carry out measurements without preliminary weighing the sample. The obtained results of …


Possibility Of Applying Methods Of Analysis And Synthesis Of Linear Electrical Circuits To Some Nonlinear Circuits, Qudrat Gayratovich Abidov, Anvar Ismatullaevich Rahmatullaev, Mexrnoz Odiljonovna Gafurova Oct 2024

Possibility Of Applying Methods Of Analysis And Synthesis Of Linear Electrical Circuits To Some Nonlinear Circuits, Qudrat Gayratovich Abidov, Anvar Ismatullaevich Rahmatullaev, Mexrnoz Odiljonovna Gafurova

Technical science and innovation

This article discusses the possibility of applying the analysis and calculation methods used in linear electric circuits to certain nonlinear circuits. It is shown that if we abandon the quantitative criteria for the analysis and synthesis of nonlinear circuits using linear principles, some problems in nonlinear electrical engineering can be correctly solved based on linear theory. As an example, the simplest ferroresonant voltage stabilizer is considered, using the method of superposition and the equivalence of ferroresonant circuits in series and parallel connections. The electrical diagram is shown, and a formula for the stabilization coefficient is derived, representing a complex nonlinear …


Algorithms And Solution To The Problem Of Parametric Identification Of The Gas Composition Of The Atmosphere, Baxodir Asatullayevich Xolxodjayev, Erkin Abduraxmanovich Esanov, Bekjon Abdullayevich Kuralov Oct 2024

Algorithms And Solution To The Problem Of Parametric Identification Of The Gas Composition Of The Atmosphere, Baxodir Asatullayevich Xolxodjayev, Erkin Abduraxmanovich Esanov, Bekjon Abdullayevich Kuralov

Technical science and innovation

This article discusses the problem of identifying the gas composition of the atmosphere, which has important practical significance and allows us to illustrate the advantages of the proposed regularizing solution algorithms. Every еar, human industrial activity increasingly aggravates the problem of environmental protection. Among the diverse human impacts on nature, air pollution occupies a special place. Every еar, up to 500 thousand various pollutants are emitted into the atmosphere. In this regard, the task of monitoring the composition of the atmosphere is very relevant. Numerical studies of the problem of identifying the gas composition of the atmosphere have shown higher …


Analysis Of The Drives Of Pumping Stations In The Southern Part Of The Angren Coal Mine Of Uzbekugol Jsc, Shukhrat Badretdinovich Umarov, Murakam Mirzakhmatovich Mirsaidov, Islombek A’Lobekovich Abdullabekov, Saidamirkhon Hayrullakhon O‘G‘Li Oripov Oct 2024

Analysis Of The Drives Of Pumping Stations In The Southern Part Of The Angren Coal Mine Of Uzbekugol Jsc, Shukhrat Badretdinovich Umarov, Murakam Mirzakhmatovich Mirsaidov, Islombek A’Lobekovich Abdullabekov, Saidamirkhon Hayrullakhon O‘G‘Li Oripov

Technical science and innovation

This article presents the results of a comprehensive analysis of the operation of pumping station drives in the southern part of the Angren coal mine of Uzbekugol JSC. The modes of operation and designs of pumps of various types are considered, including СPSH 850-240, D320-50, D1200-125 and GR170-30. The study covers the performance characteristics of these pumps, as well as their adaptation to the specific conditions of the coal mine. Special attention is paid to the impact of climate change on the operating modes of pumping units. Changes in the amount and intensity of precipitation, as well as fluctuations in …


Application Of A Rheological Model In The Interaction Of Soil With The Working Body Of A Compaction Machine, Tavbay Qarshievich Xankelov, Rashidbek Mansurjonovich Hudaykulov, Samandar Iskandarovich Komilov, Makhmarajab Uralovich Musirov Oct 2024

Application Of A Rheological Model In The Interaction Of Soil With The Working Body Of A Compaction Machine, Tavbay Qarshievich Xankelov, Rashidbek Mansurjonovich Hudaykulov, Samandar Iskandarovich Komilov, Makhmarajab Uralovich Musirov

Technical science and innovation

Ma'lum bo'lishicha, siqilish avtomobil yo'llarini qurishda amalga oshirilgan eng muhim jarayondan biridir. Shu bilan birga, shakldagi ishchi organlardan tashkil topgan siqishni mashinalarini turli ishlab chiqarish ishlari va qarashlari tahlili berilgan. Rolikning tuproq bilan oʻzaro taʼsiri jarayonining fizikaviy tadqiqotlarni oʻrganish va tadqiq etishda reologik modellarning ahamiyati juda katta aniqlandi. Shu sababli, u yoki bu modellashtirish turlaridan ushlab holda, rulon tanasida, rolikning o'zida va siqilish zonalarida sodir bo'ladigan jarayonlarni muhimlashtirish tushuntiriladi. Bu esa, asos, mustahkam poydevor poydevorini asosini o'taydigan yo'l tuprog'ining siqilish jarayonining reologik aniqlashini o'rganish va tadqiq qilishga xizmat qiladi, hisoblangan. Maqolada yo'l asosini siqish jarayonida ishchi organ va rulonlarning tuproqlari …


Impact Of Obesity On Spirometric Parameters In Asthmatic, Hawraa Fadhil Abdulameer, Oday Taher Mohammed Oct 2024

Impact Of Obesity On Spirometric Parameters In Asthmatic, Hawraa Fadhil Abdulameer, Oday Taher Mohammed

Muthanna Medical Journal

Obesity is a public health issue and a risk factor and disease modifier for juvenile and adult asthma. Due to the high prevalence of obesity and asthma, this connection may worsen asthma burden in individuals and populations. The extent to which obesity impressing lung function still vague. This research focus on impact of obesity on asthmatic spirometric parameters. Aim of the study: To determine the effect of obesity on spirometry parameters in asthmatic patients. 93 asthmatic patients are enrolled in this cross-sectional study. The diagnosis of asthma was made clinically and by PFT. The study done in Baghdad teaching hospital …


Algorithm Of Adaptive Cyclic Control Of Position-Trajectory Moving Objects (In The Case Of An Industrial Robot Manipulator), Zaripov Oripjon Olimovich, Sevinova Dildora Usmonovna Oct 2024

Algorithm Of Adaptive Cyclic Control Of Position-Trajectory Moving Objects (In The Case Of An Industrial Robot Manipulator), Zaripov Oripjon Olimovich, Sevinova Dildora Usmonovna

Technical science and innovation

This article is devoted to the adaptive cyclic control of an industrial robot manipulator on the example of moving objects with a positional trajectory. The specific features of applying the principle of adaptive cyclic control to industrial robots are also presented. The kinematic scheme describing the movement of the robot working body with the adaptive cycle control system and the transition states of the working body based on limited positions in space are presented, the sequence of movement of the manipulator links and the selection of information about the actions at individual levels of mobility, control in the case of …