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Sistem K3 Pada Pembelajaran Praktik Di Prodi Pendidikan Teknik Elektronika Fakultas Teknik Uny, Satriyo Agung Dewanto, Muhammad Munir, Bekti Wulandari
Sistem K3 Pada Pembelajaran Praktik Di Prodi Pendidikan Teknik Elektronika Fakultas Teknik Uny, Satriyo Agung Dewanto, Muhammad Munir, Bekti Wulandari
Elinvo (Electronics, Informatics, and Vocational Education)
Keselamatan dan kesehatan kerja (K3) merupakan bagian yang sangat penting dari kegiatan pembelajaran praktik di lembaga pendidikan. Kegiatan selama ini telah berlangsung dengan rutin dan baik, tetapi terdapat beberapa faktor keselamatan dan kesehatan kerja yang seharusnya lebih diutamakan. Penelitian ini bertujuan untuk mengetahui pengetahuan mahasiswa Prodi Pendidikan Teknik Elektronika FT UNY tentang K3 pada pembelajaran praktik. Jenis penelitian ini adalah penelitian kuantitatif yang bersifat non-eksperimental dengan metode pendekatan deskriptif. Penelitian ini dilaksanakan di Prodi Pendidikan Teknik Elektronika Fakultas Teknik UNY pada bulan Februari sampai Juni 2018.Tingkat pengetahuan mahasiswa mengenai K3 pada pembelajaran praktik di Prodi Pendidikan Teknik Elektronika sudah baik. …
Sistem Keamanan Ganda Sepeda Motor Dengan Fingerprint Dan Gprs Berbasis Arduino Untuk Peningkatan Keamanan, Bartholomeus Danar, Masduki Zakarijah
Sistem Keamanan Ganda Sepeda Motor Dengan Fingerprint Dan Gprs Berbasis Arduino Untuk Peningkatan Keamanan, Bartholomeus Danar, Masduki Zakarijah
Elinvo (Electronics, Informatics, and Vocational Education)
Tujuan pembuatan Tugas Akhir ini adalah: (1) merancang fingerprint dan gprs pada sistem pengaman sepeda motor, (2) mengimplementasi fingerprint dan gprs pada sistem pengaman sepeda motor, (3) mengetahui unjuk kerja fingerprint dan gprs pada sistem pengaman sepeda motor. Komponen utama yang digunakan adalah Arduino Mega sebagai pusat olah data , fingerprint sebagai keamanan utama, gprs sebagai kemanan kedua. dan kode numerik sebagai penulisan password serta mensetting sistem. Langkah Pembuatan Sitem Keamanan Ganda Sepeda Motor Berbasis Arduino Untuk Peningkatan Keamanan ini adalah (1) Perancangan Perangkat Keras: pertama Pembuatan Skematik Sistem , kedua Pembuatan Layout PCB, ketiga Pembuatan Desain 3D, terakhir …
Trainer Kit Pneumatik Sebagai Media Pembelajaran Pada Mata Kuliah Mekatronika Di Program Studi Pendidikan Vokasional Teknik Elektro Untirta, Yohanes Aldi Prapaskah, Endi Permata, Mohammad Fatkhurrokhman
Trainer Kit Pneumatik Sebagai Media Pembelajaran Pada Mata Kuliah Mekatronika Di Program Studi Pendidikan Vokasional Teknik Elektro Untirta, Yohanes Aldi Prapaskah, Endi Permata, Mohammad Fatkhurrokhman
Elinvo (Electronics, Informatics, and Vocational Education)
The research is a research and development (R&D) with the aim to produce learning media products in the form of pneumatic trainer kits and pneumatic jobsheet trainers as pneumatic material in mechatronics courses to determine the level of eligibility and strengthening of competencies in Vocational Education in Electrical Engineering FKIP Untirta. This study uses the 4D or Defne model, namely the problem definition stage to be investigated, Design which is the product design stage and the material design josbheet material, Development (Development), namely the product manufacturing stage, product validation as well as user testing with competency strengthening and Dessiminate. The …
River & Estuary Observation Network: Refinement Of Stage Height Sensor Subsystem For Low Cost And High Reliability, W. D. Kirkey, C. B. Fuller, P. O'Brien, P. J. Kirkey, Ahmed Mahmoud, Andrew Ernest, Javier Guerrero
River & Estuary Observation Network: Refinement Of Stage Height Sensor Subsystem For Low Cost And High Reliability, W. D. Kirkey, C. B. Fuller, P. O'Brien, P. J. Kirkey, Ahmed Mahmoud, Andrew Ernest, Javier Guerrero
Civil Engineering Faculty Publications and Presentations
A system comprised of software and on-site measurements is presented for accurately obtaining water stage data from vented or non-vented submersible pressure sensors installed at autonomous stream gauging stations. The system accounts for pressure sensor offset errors, water density, and local gravitational acceleration to produce a stage height reading which is accurate to either ±0.01 ft (±3 mm) or to the accuracy limit of the sensor, whichever is greater. A 2nd order polynomial expression for determination of water density from temperature and salinity is developed and found to be sufficiently accurate for this purpose. Simulated stage measurements performed in the …
Pengembangan Prototipe Sistem Pengontrolan Daya Listrik Berbasis Iot Esp32 Pada Smart Home System, Afunia Bundha Lasera, Ibnu Hary Wahyudi
Pengembangan Prototipe Sistem Pengontrolan Daya Listrik Berbasis Iot Esp32 Pada Smart Home System, Afunia Bundha Lasera, Ibnu Hary Wahyudi
Elinvo (Electronics, Informatics, and Vocational Education)
Internet sudah menjadi kebutuhan pokok bagi lapisan masyarakat. Teknologi yang saat ini masih terus berkembang adalah teknologi berbasis Internet of Things. Untuk memanfaatkan teknologi IoT pastinya membutuhkan suatu konektivitas internet yang kuat dan fasilitas yang memadai. Dalam hal ini peneliti membuat suatu projek IoT yaitu sistem Smart Home dengan Kontrol Daya Listrik Berbasis IoT. Metode yang digunakan dalam pembuatan projek adalah 1) identifikasi dan analisis kebutuhan, 2) perancangan serta pembuatan software dan hardware, 3) tahap pengujian. Fitur sistem smart home yang dibuat menggunakan modul wifi ESP32, dikarenakan modul tersebut mampu menggunakan konektivitas wifi ataupun bluetooth. Sedangkan untuk aplikasi interface …
2020 Scholarly Productivity Report, Missouri University Of Science And Technology
2020 Scholarly Productivity Report, Missouri University Of Science And Technology
Civil, Architectural and Environmental Engineering Scholarly Productivity Reports
No abstract provided.
Cycloidal-Drive Joint Design For Wearable Exoskeletons, Abhi J. Rawal
Cycloidal-Drive Joint Design For Wearable Exoskeletons, Abhi J. Rawal
Theses
This thesis's scope was to construct a highly back drivable and compact joint design that can be used for wearable exoskeletons specifically designed to assist with rehabilitation. A compact cycloidal gear transmission was designed to satisfy the compactness requirement while ensuring the minimum torque is required for backdriving the mechanism. The joint was designed based on the compact cycloidal drive specifications, and the backdrivability test was performed to measure the minimum torque required (1.20 Nm) to backdrive. The joint design incorporates various important features such as rotation lock feature to prevent hyperextension, a housing design that offers the benefit of …
Human Activity Recognition Using Wearable Sensors: A Deep Learning Approach, Jialun Xue
Human Activity Recognition Using Wearable Sensors: A Deep Learning Approach, Jialun Xue
Theses
In the past decades, Human Activity Recognition (HAR) grabbed considerable research attentions from a wide range of pattern recognition and human–computer interaction researchers due to its prominent applications such as smart home health care. The wealth of information requires efficient classification and analysis methods. Deep learning represents a promising technique for large-scale data analytics. There are various ways of using different sensors for human activity recognition in a smartly controlled environment. Among them, physical human activity recognition through wearable sensors provides valuable information about an individual’s degree of functional ability and lifestyle. There is abundant research that works upon real …
A Review Of Different Aspects Of Applying Asphalt And Bituminous Mixes Under A Railway Track, Kazem Jadidi, Morteza Esmaeili, Mehdi Kalantari, Mehdi Khalili
A Review Of Different Aspects Of Applying Asphalt And Bituminous Mixes Under A Railway Track, Kazem Jadidi, Morteza Esmaeili, Mehdi Kalantari, Mehdi Khalili
Civil and Environmental Engineering and Construction Faculty Research
Asphalt is a common material that is used extensively for roadways. Furthermore, bituminous mixes have been used in railways, both as asphalt and as mortar. Different agencies and research institutes have investigated and suggested various applications. These studies indicate the benefits of bituminous material under railways, such as improving a substructure’s stiffness and bearing capacity; enhancing its dynamic characteristics and response, especially under high-speed train loads; waterproofing the subgrade; protecting the top layers against fine contamination. These potential applications can improve the overall track structure performance and lead to minimizing settlement under heavy loads. They can also guarantee an appropriate …
The Beautiful Math Of Everything And You Included, E. Ozie
The Beautiful Math Of Everything And You Included, E. Ozie
The STEAM Journal
This a reflection on how there is beautiful math to everything. An author's interpretation of matrices and mechanics in its relationship to someone's identity.
What Can We Learn About Research Narratives From Professional Storytellers?, Kim Wilkins, Helen Marshall
What Can We Learn About Research Narratives From Professional Storytellers?, Kim Wilkins, Helen Marshall
The STEAM Journal
This short note on practice reflects on how “research narrative” is a much-used, but misunderstood term. Compelling stories about our research are important: for public-facing communications and for academic tenure confirmation and promotion. They are also important for researchers to gain a clearer sense of their own vision and values in the research process: they are not just a communication skill, they’re a career skill. But often researchers in STEM disciplines do not have the practical skills to write stories. We draw on our own practice as creative writers to share some simple and effective methods to bring arts expertise …
Dual-Adaptive Camouflage For The Hyperstealth Corperation, Keith J. Carlock Mr.
Dual-Adaptive Camouflage For The Hyperstealth Corperation, Keith J. Carlock Mr.
The STEAM Journal
Dual-Adaptive Camouflage, though still a concept that I've had for 28 years, seems to me, more promising that the bulk and brain power and needed energy supply of a computer-driven network of optical electronic harnesses that would be the basis for any suit that proclaims to render its wearer invisible.
The Assessments Of Internet-Based Technology Use By University Academic Members, Mohammed Alghamdi
The Assessments Of Internet-Based Technology Use By University Academic Members, Mohammed Alghamdi
BAU Journal - Science and Technology
Social networking applications (SNAs), as technologies that rely on internet infrastructure, are widely used as platforms for user interaction, content creation and social communication. However, in recent years, SNAs have been used in the context of teaching and learning, and this aspect, as well as others, has attracted research attention. Limited research has investigated the motivations and barriers to teaching with SNAs in higher education, and so this study sought to examine the purposes, motivations and barriers associated with SNA use in education among academic members at Albaha University, Saudi Arabia. A quantitative research design involving a sample of academic …
Control Of Mr Damper Using Anfis And Pid Controller For Optimum Vehicle Ride Comfort, Mohammad Faisal Yakhni, Mohamad Ali, Mohamed El-Gohary
Control Of Mr Damper Using Anfis And Pid Controller For Optimum Vehicle Ride Comfort, Mohammad Faisal Yakhni, Mohamad Ali, Mohamed El-Gohary
BAU Journal - Science and Technology
Suspension system design is an important challenging duty that facing car manufacturers, so the challenge has become to design the best system in terms of providing ride comfort and handling ability under all driving situations. The goal of this paper is to provide assistance in enhancing the effectiveness of the suspension system. A full car model with eight Degrees Of Freedom (DOF) was developed using MATLAB/Simulink. Validation of the Simulink model was obtained. The model was assumed to travel over a speed hump that has a half sine wave shape and amplitude that changing from 0.01 to 0.2 m. The …
Antibacterial Effect And Phytochemical Analysis Of The Shoot System Of Rubus Canescens Dc. Growing In Lebanon, Omar Assafiri, Hiba Abdallah, Mohammed El-Dakdouki
Antibacterial Effect And Phytochemical Analysis Of The Shoot System Of Rubus Canescens Dc. Growing In Lebanon, Omar Assafiri, Hiba Abdallah, Mohammed El-Dakdouki
BAU Journal - Science and Technology
The misuse of antibiotics followed by improved fitness of resistant strains of infectious microorganisms hindered the efficacy of many known antimicrobial agents, and fueled research for the discovery of novel remedies. The current study aims at assessing the antimicrobial activity and understanding the mechanism of action of Rubus canescens DC. growing wild in Lebanon, as well as qualitatively determining its phytochemical profile. The antibacterial activity, MIC, and MBC of the extracts were evaluated by two-fold dilution. Time-kill curves were plotted to assess the bactericidal activity of the R. canescens DC. extracts against the growth of microorganisms, and TEM images were …
Waterpipe: A Global Alarming Problem, Tarek Houri, Bilal Osta, Sara Mobayed, Rayan Farha, Mazher Issa
Waterpipe: A Global Alarming Problem, Tarek Houri, Bilal Osta, Sara Mobayed, Rayan Farha, Mazher Issa
BAU Journal - Science and Technology
Waterpipe popularity has increased significantly in the recent decades to become the major cause of death worldwide. This practice, which is also known as hookah, shisha and Narghile that is based on tobacco burning, increases the percentage of tobacco smokers especially among young people, due to several factors such as the attracting effect of sweetened tobacco, the marketing role and the social acceptance of waterpipe. A literature review was constructed using "Pub med" as a searching tool to confirm by studies the differences in adverse effects between waterpipe and cigarette by analyzing the toxicant’s levels generated from them, evaluating the …
Moringa Oleifera Leaves Aqueous Extract Induce Apoptosis In Ht29 Cell Line, Farah Reda, Jamila Borjac, Julnar Usta
Moringa Oleifera Leaves Aqueous Extract Induce Apoptosis In Ht29 Cell Line, Farah Reda, Jamila Borjac, Julnar Usta
BAU Journal - Science and Technology
Moringa oleifera (MO) tree has been recognized for the nutritional and medicinal values, attributing anti-inflammatory, antioxidants, and antidiabetic activities of the alcoholic and/or water extracts to its various parts. Recent research has focused on therapeutic anti-cancerous effects of the water extract of MO leaves (MOE), commonly consumed as hot beverage. In-vitro cytotoxicity on esophageal, lung, and breast cancer cells were reported by MOE. The aim in this study is to investigate the anti-cancerous potential of MOE on the colon carcinoma HT29 cells. MO water extract (MOE) was prepared at concentrations (0.1%-0.5%). MOE anti-proliferative effect on HT29-cells was assessed by measuring …
Photoluminescence Spectroscopic Studies Of Mn2o3/Co3o4-Glucose/Lactose Complexes, Alaa Abdallah, Jamalat Al Boukhari, Rana Najjar
Photoluminescence Spectroscopic Studies Of Mn2o3/Co3o4-Glucose/Lactose Complexes, Alaa Abdallah, Jamalat Al Boukhari, Rana Najjar
BAU Journal - Science and Technology
As nanoparticles serve as mediators in the electron transfer between biomolecules and a biosensor’s electrode surface, this study is dedicated to investigating Mn2O3 and Co3O4 nanoparticles and their photoluminescence effect that play a critical role in sensing glucose and lactose. The chemical coprecipitation method was adopted for preparing the nanoparticles that were characterized by X-Ray Diffraction, Transmission Electron Microscope, Fourier Transform Infrared spectroscopy, Energy Dispersive X-ray, UV-vis spectroscopy, and Vibrating Sample Magnetometry. It was found that the obtained Mn2O3 and Co3O4 nanoparticles were successfully prepared, with a crystallite size of 65.91 and 58.00 nm, respectively. The high specific surface area …
Activation Of Fly Ash To Stabilise Lead Contaminated Soils And Solutions, Mabrouk Hassan Arhoma
Activation Of Fly Ash To Stabilise Lead Contaminated Soils And Solutions, Mabrouk Hassan Arhoma
BAU Journal - Science and Technology
The role of pH on removal of metal contaminated solution was investigated by adding gradually drops of NaOH to lead solutions, the increase of the pH was observed and concentration of lead solution was measured by using ICP. The activated \ pulverised fly ash (PFA) was used as stabilizing material. The leaching behaviour of lead was investigated using 5 grams of the soil thoroughly mixed with 0.1g of the stabilising material in a polypropylene container to which 50ml of either deionised water; the mixture was shaken on a flat bed shaker for 2h, and then filtered using a What man …
Corrosion Of Coated And Uncoated Steel Reinforcement In Concrete, Jana Abou Shakra, Rouba Joumblat, Jamal Khatib, Adel Elkordi
Corrosion Of Coated And Uncoated Steel Reinforcement In Concrete, Jana Abou Shakra, Rouba Joumblat, Jamal Khatib, Adel Elkordi
BAU Journal - Science and Technology
Corrosion of reinforcing steel is the one of the main causes of deterioration in reinforced concrete structure. During the initial stage of corrosion, the steel volume increases. This creates tensile stresses in the concrete, which can eventually lead to cracking, delamination, and spalling. This potential risk of corrosion in a structure is quite unpredictable. Therefore, this paper examines the influence of accelerated corrosion on the bond between concrete and the coated and uncoated steel bars. The bar coating consisted of epoxy rich in zinc. Six concrete mixes were prepared. Three mixes had cement contents of 300, 400 and 500 Kg/m3 …
Effect Of Using Cathode-Ray Tubes (Crt) Waste Glass On Concrete Properties, Jad Bawab, Jamal Khatib, Ali Jahami, Said Kenai, Adel Elkordi
Effect Of Using Cathode-Ray Tubes (Crt) Waste Glass On Concrete Properties, Jad Bawab, Jamal Khatib, Ali Jahami, Said Kenai, Adel Elkordi
BAU Journal - Science and Technology
Cathode-ray tube (CRT) glass is a hazardous material that should be responsibly managed when disposed. One of the possible options for recycling CRT waste glass is using it as fine aggregates in concrete for its richness in silica. For the aim of evaluating concrete with this material, four mixes with replacement levels of 0%, 10%, 20% and 30% are prepared. Workability, hardened density, ultra-pulse velocity, compressive strength, tensile strength, and static modulus of elasticity were examined. Experimental results showed that the use of CRT improved properties of concrete at certain replacement levels. CRT glass improved the workability of concrete where …
Concrete Mix Design Using Simple Equations, Hakim Abdelgader, Ramadan Suleiman, Abdalla Adam, Jamal Khatib
Concrete Mix Design Using Simple Equations, Hakim Abdelgader, Ramadan Suleiman, Abdalla Adam, Jamal Khatib
BAU Journal - Science and Technology
The behaviour of concrete, whether fresh or hardened, depends basically on the behaviour of its components and the relationship between them, therefore, obtaining a concrete with certain properties depends fundamentally on the concrete mix design. Concrete mix design generally includes two main steps: 1-Selection of the main components suitable for the concrete (cement, aggregate, water, and additives); 2-Determination of more economical mix ratios to fulfil the workability, strength and efficiency requirements. Currently, there are many international methods locally approved for mix designs. They are all related to each other, they give relatively the same quantities of the mix components and …
Essential Control To Environmental Regulations For Oil And Gas Industry: Spotlight On Drilling Processes In Lebanon, Rami Harkouss
Essential Control To Environmental Regulations For Oil And Gas Industry: Spotlight On Drilling Processes In Lebanon, Rami Harkouss
BAU Journal - Science and Technology
At present, environmental legislation bounds the drilling operators in drilling wastes removal. The rapid increasing sensitivity of drilling waste management forced many countries to develop environmental guidelines for their drilling operations. This research studies some sorts of waste produced during upstream petroleum activities, particularly while drilling. After that, many hazards and impacts on the environment are addressed, as well as their principal treatment techniques. This paper gives a modest and theoretical vision over the present environmental standard and waste management design, realized at a universal scale. Studies show that performance fluid management and total fluid management are highly recommended in …
High Fidelity Computational Modeling And Analysis Of Voice Production, Weili Jiang
High Fidelity Computational Modeling And Analysis Of Voice Production, Weili Jiang
Electronic Theses and Dissertations
This research aims to improve the fundamental understanding of the multiphysics nature of voice production, particularly, the dynamic couplings among glottal flow, vocal fold vibration and airway acoustics through high-fidelity computational modeling and simulations. Built upon in-house numerical solvers, including an immersed-boundary-method based incompressible flow solver, a finite element method based solid mechanics solver and a hydrodynamic/aerodynamic splitting method based acoustics solver, a fully coupled, continuum mechanics based fluid-structure-acoustics interaction model was developed to simulate the flow-induced vocal fold vibrations and sound production in birds and mammals. Extensive validations of the model were conducted by comparing to excised syringeal and …
Examining Bicycle And Motorized Vehicle Speeds And Their Relationships In The Context Of Urban Roadways, Jaclyn Sue Schaefer
Examining Bicycle And Motorized Vehicle Speeds And Their Relationships In The Context Of Urban Roadways, Jaclyn Sue Schaefer
Dissertations and Theses
This thesis presents a compilation of papers exploring passenger car and bicycle speeds through their interactions with each other and with urban roadway factors.
First, following a concern raised in part of the traffic literature that a large mode shift toward bicycling may cause travel time delays and potentially exacerbate congestion instead of alleviate it unless bicycle lanes are installed, an empirical study detailing how the presence of bicycles on urban roads without bicycle lanes may affect passenger car speeds is presented. Pneumatic tube data from six predominantly low speed, low volume roads in Portland, Oregon were utilized to identify …
Comparison Of Popular Three-Dimensional Printing Materials For Oral And Maxillofacial Surgical Guidance Model, Mohammad Adhitya, Sunarso Sunarso, Abdul Muis
Comparison Of Popular Three-Dimensional Printing Materials For Oral And Maxillofacial Surgical Guidance Model, Mohammad Adhitya, Sunarso Sunarso, Abdul Muis
Journal of Dentistry Indonesia
The application of three-dimensional (3D) models in the medical field has become popular. However, the accuracy of 3D models for surgical guidance varies among different materials and 3D printing technologies, such as printing machine usage. Objectives: This study aims to obtain more information about the effect of three different materials printed using a fused deposition material printer from the same digital data source. This study also aims to compare, analyze, and test the materials’ ability. Methods: Each of the filament materials (acetylbutane stearate [ABS], polylactic acid [PLA], and high-impact polystyrene [HIPS]) are printed at two infill densities, their weight, volume, …
Sensitivity Analysis Of An Agent-Based Simulation Model Using Reconstructability Analysis, Andey M. Nunes, Martin Zwick, Wayne Wakeland
Sensitivity Analysis Of An Agent-Based Simulation Model Using Reconstructability Analysis, Andey M. Nunes, Martin Zwick, Wayne Wakeland
Systems Science Faculty Publications and Presentations
Reconstructability analysis, a methodology based on information theory and graph theory, was used to perform a sensitivity analysis of an agent-based model. The NetLogo BehaviorSpace tool was employed to do a full 2k factorial parameter sweep on Uri Wilensky’s Wealth Distribution NetLogo model, to which a Gini-coefficient convergence condition was added. The analysis identified the most influential predictors (parameters and their interactions) of the Gini coefficient wealth inequality outcome. Implications of this type of analysis for building and testing agent-based simulation models are discussed.
Significant Contribution Of Mobile Apps To The Development Of Tourism In Uzbekistan, Alimjon Dadamuhamedov Irgashevich
Significant Contribution Of Mobile Apps To The Development Of Tourism In Uzbekistan, Alimjon Dadamuhamedov Irgashevich
The Light of Islam
Recently, Uzbekistan has taken comprehensive measures to develop tourism as one of the strategic sectors that contribute to the rapid development of regions, increase incomes and living standards of the population, as well as increase investment attractiveness. Modern information technologies make a signifcant contribution to the development of pilgrimage tourism. Advertising of online travel services in pilgrimage tourism currently does not allow you to automate the work of a travel Agency without creating an effective website. This article is devoted to the analysis of Internet technologies aimed at improving the tourism industry. The practical signifcance of the article lies in …
Optimal Conditions Of Fermentation Of The Pichia Pastoris Yeast Expressing The Recombinant Pres2-S Protein (M-Hbsag) Of Hepatitis B Virus (Hbv), Sasmakоv Sobirdjan, Ashirоv Оybek, Abdurakhmanоv Jaloliddin, Xasanоv Shuhrat
Optimal Conditions Of Fermentation Of The Pichia Pastoris Yeast Expressing The Recombinant Pres2-S Protein (M-Hbsag) Of Hepatitis B Virus (Hbv), Sasmakоv Sobirdjan, Ashirоv Оybek, Abdurakhmanоv Jaloliddin, Xasanоv Shuhrat
CHEMISTRY AND CHEMICAL ENGINEERING
The aim of this study is determination of optimal fermentation conditions of the Pichia pastoris yeast expressing the recombinant Pres2-S protein of hepatitis B virus (HBV). For this purpose we investigated the main factors influencing for the cultivation of recombinant strain of the yeast Pichia pastoris pPIC3,5-S-HBsAg - the composition of the nutrient medium, pH and dissolved oxygen (DO). As a result, by enzyme-linked immunosorbent assay (ELISA) the optimal concentration of methanol ≈1.0 %, which is the initiator and the only source of carbon for protein expression in the Mut+ phenotype Pichia pastoris yeast cells was determined. In the selected …
Waste Engine Oil Regeneration With Bentonite From The Navbahor Deposit, Azimova Shodiyakhon, Arslanov Sharafutdin, Turakhujayev Saidakbar, Azimov Dilmurod
Waste Engine Oil Regeneration With Bentonite From The Navbahor Deposit, Azimova Shodiyakhon, Arslanov Sharafutdin, Turakhujayev Saidakbar, Azimov Dilmurod
CHEMISTRY AND CHEMICAL ENGINEERING
The aim of the study was the regeneration of used oils. The change in the conditions for the regeneration of used engine oil as a result of adsorptive cleaning with alkaline earth clay from the Navbakhor deposit has been studied. The carried-out regeneration allows almost completely removing mechanical impurities, moisture from the waste oil and helps to clarify it. The optimal conditions for regeneration have been established. The removal of secondary products formed during the use of engine oil while retaining the main components that determine the serviceability of the product has been established. By means of IR spectroscopy, as …