Engineering Commons^™

Technology For Obtaining Biologically Active Substanses From Buds And Immature Fruits Of The Capparis Spinosa Plant, Ruzali A. Botirov, Gavkhar E. Saidova, Dilnoza K. Mutalova, Alimdjan Z. Sadikov, Shamansur Sh. Sagdullaev

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the study is to create a technology for the rational production of the substance POP from the extract of buds and unripe fruits of the plant Capparis spinosa L. A low-toxic (LD50 7600 - 10800 mg/kg) substance extracted from the buds and unripe fruits of Capparis spinosa, mainly containing water-soluble polysaccharides, proteins and flavonoids (PBP) has been found to have analgesic, antioxidant, and anti-inflammatory effects. It has a similar effect to Levadopa, which is recommended for the prevention of Parkinson's disease. The article presents the results of studies conducted on the technology for obtaining the substance PBP, …

The Study Of The Extraction Process Of Astragalus Turkestanus, Abdulaziz A. Janibekov, G'Ayrat B. Sotimov, Kamila R. Allambergenova, Iroda F. Qulsoatova, Fazliddin S. Jalilov

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of this study is to obtain an extract of Astragalus turkestanus with a high content of biologically active substances and the lowest content of associated substances. The factors influencing the process of extracting biologically active substances from the aerial parts of Astragalus turkestanus have been studied. It was established that the selective extractant is 70% ethyl alcohol, the optimal degree of grinding of the raw material is no more than 3-5 mm, the process temperature is 20-25 ºС, it was extracted five times, while the time required for the first phase contact was 5 hours, the second - …

Synthesis, Crystal Structure, Hirshfeld Surface And Void Analysis Of 2-Amino-1h-Benzimidazolium 2-Hydroxybenzoate, Salmon M. Mukhammadiev, Daminbek A. Ziyatov, Zuhra Ch. Kadirova, Jamshid M. Ashurov, Shahlo Sh. Daminova

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of this work is determination of crystal structure and Hirschfeld surface void analysis for many intermolecular interactions in the crystal structure of 1,3-dihydro-2H-benzimidazole-2-iminium-2-hydroxy-5-sulfobenzoate.. For the first time, a new organic salt containing organic benzimidazolium cations and sulfosalicylic anions was synthesized and structurally characterized. Hirshfeld surface analysis confirm that in the crystal shape most remarkable contacts are H∙∙∙O (38%) and H∙∙∙H (29.7%) There are some π–π stacking interactions in the crystal shape.

Synthesis Of Cationite Based On Indene, A Secondary Product Of Hydrocarbons Pyrolysis, Saidmansur Sh. Saidobbozov, Suvonkul E. Nurmanov, Dilorom H. Mirkhamitova

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the study is extraction of the indene from pyrolysis oil obtained from the pyrolysis of hydrocarbons at the Ustyurt gas processing plant. Indene is isolated by rectification from the composition of pyrolysis oil formed as a by-product of the process of hydrocarbons pyrolysis at the Ustyurt gas processing plant. Polymethyleneindenesulfocationite was synthesized on the basis of isolated indene, and its structure and physicochemical properties were determined. Chromatomass spectrum of pyrolysis oil was obtained and analyzed. The indene fraction and the synthesized polymethyleneindenesulfocationite were analyzed using IR spectroscopy and SEM (scanning electron microscopy). Thermal analysis of cationite was …

Preparation Of Keratin-Containing Protein Compounds From Chickens Feathers Using Hydrochloric Acid, Dilnozakhon I. Tursunova, Oytura S. Maksumova

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of this work is the preparation of keratin-containing protein compounds from poultry processing waste by hydrolysis with hydrochloric acid, including treatment of the protein with 5% H₂O₂. The process of cleaning feather raw materials using water, liquid soap, NaClO₃, C₂H₅OH, and H₂O_2, and the reaction of its hydrolysis with an aqueous solution of HCl have been studied. The influence of temperature and reaction duration on the hydrolysis process was studied, and its optimal mode was established. It has been shown that the process of …

Synthesis And Research Of Adsorbents And Catalysts Obtained By Processing Of Industrial Wastes, Shuhratqodir T. Gulyamov, Sherzod A. Омоnоv, Shaxnoz B. Jalalova, Dilnoza P. Turdieva, Rufatjon F. Boymonov

CHEMISTRY AND CHEMICAL ENGINEERING

The purposes of the study are the synthesis of granular aluminum oxide and magnesium-aluminum spinel using various residues formed during thermochemical regeneration of adsorbents deactivated by chloride compounds, the physicochemical characteristics and catalytic properties of catalysts. The main parameters for processing aluminum-containing waste using sulfuric acid technology to produce pseudoboehmite have been identified. Adsorbents, as well as carriers and catalysts obtained using pseudoboehmite and alkaline waste have been studied using diffractometry, thermography and elemental analysis. The conditions for the synthesis of mechanically strong granules containing magnesium and calcium aluminates have been determined. Based on pseudoboehmite, aluminum oxide adsorbents with texture, …

Influence Of Solid-Phase And Melt Synthesis Methods On The Structure And Electrochemical Properties Of Na3fe2(Po4)3 Polycrystals, Adolf S. Nogai, Artur A. Nogai, Daniyar E. Uskenbaev, Eleonora A. Nogai, Alexander A. Bush

CHEMISTRY AND CHEMICAL ENGINEERING

The article studies the influence of solid-phase and melt synthesis methods on the structure and electrochemical properties of the Na₃Fe₂(PO₄)₃ polycrystals. If the solid-phase synthesis of the Na₃Fe₂(PO₄)₃ polycrystals (type 1 of samples) is carried out using ceramic technology, initially glassy precursors are first obtained by melting the starting materials under the influence of optical radiation energy at the melt synthesis method, and the Na₃Fe₂(PO₄)₃ polycrystals are obtained after firing (type 2 of samples). With this method, the synthesis …

Study Of The Process Of Foam Formation During Nitric Acid Decomposition Of Dolomite Raw Materials, Oybek A. Mikhliev, Kholtura Ch. Mirzakulov, Ruslan Ch. Yorbobaev, Shahodat M. Olmurova

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the work is acceleration of the process of nitrate decomposition of local dolomite raw materials and study its processing into MgOH, MgO, liquid and granular magnesium fertilizers. We studied the effect of "PAA-gel" and "Struktol SB 2195" on the foam expansion ratio and filtration rate, as well as the influence of acid concentration and temperature on the rheological properties of the acidic pulp and the liquid and solid phases formed during its separation. The qualitative and quantitative compositions were determined. As a result, an increase in the filtration rate and a decrease in the rate of foaming …

Microwave Synthesis Of Yttrium Oxide Nanostructure Powders, Doped With Ytterbium And Erbium Ions, Eygeniy N. Poddenezhny, Andrei A. Boiko, Olga V. Davydova, Ekaterina E. Trusova

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study was to develop microwave synthesis of luminescent yttrium oxide powders doped with ytterbium and erbium ions (Y₂O₃:Yb³⁺_, Er³⁺) in the process of homogeneous precipitation from a reaction mixture of yttrium, ytterbium and erbium chlorides. The characteristics of the obtained powders were studied by X-ray diffraction, scanning and passing electron microscopy, differential thermal analysis, IR spectroscopy and photoluminescence under IR excitation. From luminescence spectra of Y₂O₃:Yb³⁺, Er³⁺ samples obtained by excitation with an IR laser at a wavelength of 975 nm, …

Optical Glass With Increased Refractive Index Based Bao – B2o3 – Sio2 System, Yury G. Pavliukevich, Ludmila F. Pаpko, Ekaterina E. Trusova

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the research is to develop lead-free optical glass with increased refractive index based on BaO – B₂O₃ – SiO₂ system. A study of technological and physical-chemical properties of glass was conducted. It has been shown that the glass of this system tends to the phase separation of segregation type. The area of glass composition with refractive index of 1.6195 – 1.6650 has been established. The peculiarities of influence of the modifiers – Al₂O₃ and oxides of the RO group – on the technological and optical properties of the glass of …

Influence Of The Moisture On Fumes Derived From The Anfo Detonation, Andrzej Biessikirski, Mateusz Pytlik, Michał Dworzak, Michał Twardosz, Mariusz Wądrzyk, Rafał Janus

Journal of Sustainable Mining

ANFO is one of the most commonly used explosives in open-pit mining, usually produced by mixing systems on the blast site. One of the problems usually not considered is the moisture”s influence on the stored ammonium nitrate(V). The influence of moisture on fumes and the detonation process has been investigated by placing ammonium nitrate(V) prills in the climatic chamber. In the investigation, the influence was evaluated for ANFO samples which were produced based on the two types of fuel oils. It was concluded that the 3.0% moisture level resulted in the lowest NOx content in both case studies. Further increased …

A Systematic Approach For Evaluating And Selecting Healthcare Waste Treatment Devices Using Owcm-Codas And Triangular Neutrosophic Sets, Asmaa Elsayed, Bilal Arain

Neutrosophic Systems with Applications

Healthcare is a fundamental aspect of human life, impacting individuals, communities, and societies. Investing in healthcare infrastructure, services, and education is essential for fostering a healthy, thriving population. Healthcare waste management is a critical aspect of public health, and it requires a concerted effort from healthcare facilities, governments, and communities to ensure that waste is managed in a way that minimizes risks to human health and the environment. This paper proposes a hybrid methodology combining the Opinion Weight Criteria Method (OWCM) and the Combinative Distance-Based Assessment (CODAS) within the framework of Triangular Neutrosophic Sets (TNS) to evaluate and select the …

Waste Reduction And Recycling: Schweizer-Sklar Aggregation Operators Based On Neutrosophic Fuzzy Rough Sets And Their Application In Green Supply Chain Management, Zeeshan Ali, Hajra Bibi

Neutrosophic Systems with Applications

Green supply chain management (GSCM) is a valuable application that is used to reduce the overall environmental impact of the supply chain. Waste reduction and recycling are crucial components of sustainable technique that aims to reduce ecological impact and encourage reserve effectiveness. In this manuscript, we initiate the technique of Schweizer-Sklar (SS) operational laws based on neutrosophic fuzzy rough (NFR) values for SS t-norm (SSTN) and SS t-conorm (SSTCN). Further, we derive the NFR SS weighted averaging (NFRSSWA) operator and the NFR SS weighted geometric (NFRSSWG) operator. Some basic properties for the above-initiated techniques are derived. Additionally, we describe the …

Waste Reduction And Recycling: Schweizer-Sklar Aggregation Operators Based On Neutrosophic Fuzzy Rough Sets And Their Application In Green Supply Chain Management, Zeeshan Ali, Hajra Bibi

Neutrosophic Systems with Applications

Green supply chain management (GSCM) is a valuable application that is used to reduce the overall environmental impact of the supply chain. Waste reduction and recycling are crucial components of sustainable technique that aims to reduce ecological impact and encourage reserve effectiveness. In this manuscript, we initiate the technique of Schweizer-Sklar (SS) operational laws based on neutrosophic fuzzy rough (NFR) values for SS t-norm (SSTN) and SS t-conorm (SSTCN). Further, we derive the NFR SS weighted averaging (NFRSSWA) operator and the NFR SS weighted geometric (NFRSSWG) operator. Some basic properties for the above-initiated techniques are derived. Additionally, we describe the …

A Systematic Approach For Evaluating And Selecting Healthcare Waste Treatment Devices Using Owcm-Codas And Triangular Neutrosophic Sets, Asmaa Elsayed, Bilal Arain

Neutrosophic Systems with Applications

Healthcare is a fundamental aspect of human life, impacting individuals, communities, and societies. Investing in healthcare infrastructure, services, and education is essential for fostering a healthy, thriving population. Healthcare waste management is a critical aspect of public health, and it requires a concerted effort from healthcare facilities, governments, and communities to ensure that waste is managed in a way that minimizes risks to human health and the environment. This paper proposes a hybrid methodology combining the Opinion Weight Criteria Method (OWCM) and the Combinative Distance-Based Assessment (CODAS) within the framework of Triangular Neutrosophic Sets (TNS) to evaluate and select the …

Towards Environmentally Sustainable Preservation Of Heritage Buildings, Rozal Rozal Yousef Hanna1, Ayman Gamal El-Din Abd El- Tawab2, Walaa Abou El- Haggag Mehanna3

Journal of Engineering Research

The construction industry, characterized by its intricate processes and extensive stakeholder networks, stands at the cusp of a digital revolution. The adoption of blockchain-smart contract (BCSC) technology is at the heart of this transformation. This research delves deep into the BCSC within the construction arena to provide comprehensive insight into its probable applications, inherent challenges, and potential future trajectories. Leveraging the PRISMA analysis technique, a curated collection of relevant academic research articles was assembled, shedding light on the existing body of knowledge regarding the application of BCSC technology in construction. The authors developed an innovative user interface tool customized to …

Review: Protection Of Wooden Structures With Nano-Titanium Dioxide Coating, Zienab Zienab A. Ahmed1*, And M. M. Mosallem2

Journal of Engineering Research

Wood is widely used for various purposes with good performance. Wood works as the main material for furniture, monuments, decorations and constructions. which has the close relationship with human. Durability of wood is important in ensuring an appropriate life for the structure being designed. Wooden construction deteriorates easily due to UV radiation and weather conditions. Many of wood types need a preservative treatment. Several compounds are available for chemical protection, but not all are completely safe for human health. New technologies with low environmental impact and economically feasible are developed, which improves the life cycle of wood. Titanium dioxide is …

Urbanism Strategies For Linking Existing And New Cities, Naglaa J. Q. Mo’Men Abdel-Qader Ebrahim1, Mohsen Bayad2

Journal of Engineering Research

New cities, designed for urban growth outside existing metropolitan regions, face challenges in street infrastructure due to rapid expansion. Efficient control of mobility is crucial as cities grow. Sustainable transportation involves factors like infrastructure, public transit, delivery networks, affordability, efficiency, air quality, health, and reduced emissions. Commuting between established and new urban areas is common, leading to issues like urban sprawl, longer travel times, and congestion in developing countries. The challenge is to improve accessibility while addressing air quality, traffic, congestion, noise, built environment, emissions, and sprawl. This study aims to explore factors influencing mobility choices in Egypt, focusing on …

Safety In P–12 Engineering Courses Within The Southern United States, Tyler S. Love

Journal of Pre-College Engineering Education Research (J-PEER)

Engineering education programs, especially at the P–12 level, pose inherent legal and ethical responsibilities pertaining to safety that cannot be ignored. Cultivating safer practices and habits during the design and hands-on development of engineering solutions starts well before students enter higher education engineering programs. P–12 engineering education programs play a critical role in enhancing safety awareness, developing safer habits, and improving safety culture, which has an influence on the safety practices that students carry with them into higher education programs and the workplace. This study analyzed the safety factors and accident occurrences reported by 305 P–12 engineering educators from the …

Review Of Geopolymer Technology, Barriers And Limitations, Abdullah Kadhim, Bushra Salman Mankhi, Muslim Al-Bujasim

Al-Mustaqbal Journal of Sustainability in Engineering Sciences

Geopolymers are kind of inorganic polymeric green materials, which are considered alternatives to some traditional cementitious materials. Geopolymerisation involves reaction between amount of solid materials rich of high reactive amorphous or semi-amorphous silica and alumina in the existence of alkaline medium (Na₂O or K₂O) to formulate tri-dimensional alumina-silicate polymeric strong network. The present research is targeting to review Geopolymer technology and the major barriers and limitations that impede the implementation and development of Geopolymer technology. The review based on the reports, statistics and the opinions of the construction industry stakeholders, in addition to the past literatures …

Designing A Model For Conservation Agricultural Extension In Western Iran, Mosayeb Gholami, Amirhossien Alibaygi, Abdolhamid Papzan

Al-Mustaqbal Journal of Sustainability in Engineering Sciences

Conservation agriculture is seen as a new solution to environmental degradation and unsusainable water and soil resources. Since the adoption rate for conservation agriculture in Iran is not high, there is a need to design an extension model in this field. The aim of this study was to design an extension model for conservation agriculture in Kermanshah Province, located in the west of Iran. The study involved two groups: experts in conservation agriculture selected via purposeful sampling with a wide range of expertise, and farmers from Ravansar and Sonqor townships in Kermanshah Province, selected through a multistage clustering technique. The …

Crisis Management In Tourism Complexes With Emphasis On Sustainable Development Approach Case Study: Jihad Daneshghahi Tourism Complex In Kermanshah, Iran, Aeizh Azmi

Al-Mustaqbal Journal of Sustainability in Engineering Sciences

Problem statement: Crisis management in tourist complexes can play a crucial role in increasing tourist attraction and mitigating damages resulting from natural hazards. The Jihad University Tourism Complex in Kermanshah is a tourist destination, and this study aims to present a crisis management model for this complex.

Question: What should be the crisis management model for the Jihad University Tourism Complex in Kermanshah?

Objective: This study aimed to propose a crisis management model for the Jihad University Tourism Complex in Kermanshah.

Methods: A questionnaire was used to collect research data. Approximately 50 individuals were selected as the research population and …

Utilizing Collaborating Biomedical Deep Model For Diagnosis Of Ultrasonography Tumor Images, Maytham N. Meqdad, Seifedine Kadry

Al-Mustaqbal Journal of Sustainability in Engineering Sciences

Artificial intelligence models are the most common methods of diagnosing various diseases today. In the meantime, the use of deep learning for faster diagnosis with less error, which is usually less expensive than other methods, is noteworthy. However, these methods are expensive due to the problems of accessing data, including care data such as hospitals and clinics. This article presents a novel federated learning-based approach for ultrasound mammography image classification. In this method, the clients possess their own datasets and are trained to use them. Then, the server, with the help of the trained clients, obtains the best parameters for …

Exploring The Application Of Digital Twin Technology In The Energy Sector Using Merec And Mairca Methods, Asmaa Elsayed, Bilal Arain, Karam M. Sallam

Neutrosophic Systems with Applications

Smart city sustainability initiatives prioritize creating environmentally, economically, and socially sustainable urban environments. Digital Twin (DT) technology creates precise digital replicas of physical assets, systems, or processes. These digital twins play a crucial role in advancing the goals of smart city sustainability. This paper explores the development and application of DT technology for integrated regional energy systems in smart cities, emphasizing its potential to optimize energy consumption, reduce costs, and enhance overall system performance. The CloudIEPS platform, an energy internet planning platform based on digital twin technology, is a great example of how digital twin technology can be applied in …

Leveraging An Uncertainty Methodology To Appraise Risk Factors Threatening Sustainability Of Food Supply Chain, Rehab Mohamed, Mahmoud M. Ismail

Neutrosophic Systems with Applications

By diminishing the risk factors associated with the food supply chain (FSC), we have recourse to strengthen the food supply chain's resilience, decrease food waste, and increase its sustainability. Prioritizing and identifying the risk factors impacting the sustainability of the food supply chain is essential for managing uncertainty and averting unfavorable consequences. This study attempts to identify and rank the most significant risks affecting the sustainability of the food supply chain under an uncertain environment. We use the α-Discounting multi-criteria decision-making (α-D MCDM) method for the main three risk factors: the risks of supply, the risks of demand, and the …

Single-Valued Neutrosophic Mcdm Approaches Integrated With Merec And Ram For The Selection Of Uavs In Forest Fire Detection And Management, Mai Mohamed, Amira Salam, Jun Ye, Rui Yong

Neutrosophic Systems with Applications

In recent times, the world has experienced a rise in the frequency of forest fires. These fires cause severe economic damage and pose a significant threat to human lives. Therefore, it is essential to search for solutions that can help combat fires and detect them early. Once a fire reaches a certain level, it becomes challenging to control it. Various systems have been proposed to collect data and detect forest fires, such as satellites and other traditional methods. However, these solutions have been ineffective in terms of cost, coverage of large areas, accuracy, and the safety of human lives. To …

Leveraging An Uncertainty Methodology To Appraise Risk Factors Threatening Sustainability Of Food Supply Chain, Rehab Mohamed, Mahmoud M. Ismail

Neutrosophic Systems with Applications

By diminishing the risk factors associated with the food supply chain (FSC), we have recourse to strengthen the food supply chain's resilience, decrease food waste, and increase its sustainability. Prioritizing and identifying the risk factors impacting the sustainability of the food supply chain is essential for managing uncertainty and averting unfavorable consequences. This study attempts to identify and rank the most significant risks affecting the sustainability of the food supply chain under an uncertain environment. We use the α-Discounting multi-criteria decision-making (α-D MCDM) method for the main three risk factors: the risks of supply, the risks of demand, and the …

Exploring The Application Of Digital Twin Technology In The Energy Sector Using Merec And Mairca Methods, Asmaa Elsayed, Bilal Arain, Karam M. Sallam

Neutrosophic Systems with Applications

Smart city sustainability initiatives prioritize creating environmentally, economically, and socially sustainable urban environments. Digital Twin (DT) technology creates precise digital replicas of physical assets, systems, or processes. These digital twins play a crucial role in advancing the goals of smart city sustainability. This paper explores the development and application of DT technology for integrated regional energy systems in smart cities, emphasizing its potential to optimize energy consumption, reduce costs, and enhance overall system performance. The CloudIEPS platform, an energy internet planning platform based on digital twin technology, is a great example of how digital twin technology can be applied in …

The Logical Implications Of Open Public Data: Examining The Current Situation, Reviewing The Problems And Advancing The Rule Of Law, Yanlei Cheng, Lin Zhang, Xu Zhang

Journal of Scientific Information Research

[Purpose/significance]Digital rule of law government is a new paradigm of government governance that is compatible with digital China and digital society. Data elements have become an important driving force for high-quality economic development in the era of digital, and public data openness is an important issue in the construction of digital rule of law government. [Method/process]In this paper, the regulations, policies and technical standards of the central government and 10 provinces, including Zhejiang, Shandong, Guizhou, Guangdong, Sichuan, Fujian, Guangxi, Hainan, Jiangxi and Jiangsu as research samples to examine the current system of regulations and policies on the opening up of …

Thermal Hydraulic Analysis For Different Subchannels Of Generic Vver-1200, Mosaddak Ahamed Zahid, Md. Imam Mehedi, Shamsul Arefin Shibly, A. S. Mollah

International Journal of Nuclear Security

The demand for nuclear energy is steadily increasing all over the world. Most nuclear power is used for peaceful applications such as power generation, healthcare, agriculture, food security, industry, and research. One of the primary applications of nuclear energy is the generation of electricity through nuclear power plants based on nuclear reactors. Many developing countries around the world (such as Bangladesh) are moving toward nuclear power plants because they have huge advantages, including low-cost energy, reliable energy sources, zero carbon emissions, and high energy concentration. As a result, the demand for nuclear reactor protection and operational protection of nuclear power …