Digital Commons Network^™

Modelling And Analysis Of Vivaldi Antenna Structure Design For Broadband Communication Systems, A.F. Bekimetov, S.G’. Bobojanov, B.G’. Samandarov, V.A. Kuchkarov

Acta of Turin Polytechnic University in Tashkent

An antipodal Vivaldi antenna with a compact parasitic patch to overcome radiation performance degradations in the high-frequency band is proposed. For this purpose, a double asymmetric trapezoidal parasitic patch is designed and added to the aperture of an antipodal Vivaldi antenna. The proposed antenna has a peak gain greater than 7 dBi over the frequency range of 6–90 GHz.

Modernization Of The Technological Process Of A Centrifugal Disk Apparatus For Applying Mineral Fertilizers And Substantiation Of Parameters, Ajargul Abduganiyevna Mambetsheripova

Acta of Turin Polytechnic University in Tashkent

In article are brought information about the design, the technological process of new pneumo -centrifugal apparatus for application of mineral fertilizers and their mixtures, as well as the results and analysis of theoretical researches, in particular, the radius of fertilizer supply to apparatus.

Development Of Smart City Model: Smart Bus System Model, Marks Matyakubov, Onakhon Rustamova

Acta of Turin Polytechnic University in Tashkent

Our purpose is contributing to the smart city model which is highly demanded by many organizations myriad number of organizations for developed cities in the world to significantly amplify and ameliorate the quality of life of the occupants, improve the utilization of city resources and reduce the operational prize. This model is used in urban places and it helps us to do the things which take our time and in this way it alleviates our job. Including different kinds of heterogeneous technologies such as Cyber-Physical Systems (CPS), Internet of Things (IoT), Wireless Sensor Networks (WSNs), Cloud Computing, and Unmanned Aerial …

Evaluation Safety Of Vehicle Motion In The Condition Of Visual Impairment, Akmal Rustamov, Kongratbay Sharipov

Acta of Turin Polytechnic University in Tashkent

Given the lack of visual information, potentially dangerous sections of the roadway are a significant cause of traffic accidents. Currently, one of the basic principles of increasing the active safety of a car is information support for the driver. However, the existing methods and means of information support for the driver have several disadvantages. Thus, the use of video recording systems is limited in conditions of insufficient visibility (for example, in difficult weather conditions), inertial navigation systems are expensive, and the use of specialized road laboratories to register the boundaries of the roadway is laborious and expensive. The ability of …

Reducing Air Pollution Hydrogen Used As A Fuel In The Ice In Uzbekistan, Alisher Sharipov

Acta of Turin Polytechnic University in Tashkent

This paper deal with the using of hydrogen in ICE so far from history and thus use the HHO systems as a supplement to increase fuel efficiency in ICEs. The use of hydrogen as an engine fuel is not new, and, indeed, it fueled what may have been the first internal combustion engine. So far, Ford, BMW, Aston Martin, Chevrolet and etc. companies were installed Hydrogen in ICE. In Uzbekistan also began to work on this Hydrogen fuel CE. Current time, in Uzbekistan at Turin Polytechnic University in Tashkent installed HHO system and Amiron device to many cars. Following this …

Development Of Recommendations On Effective Operation Of Air Filters Of Buses Mercedes-Benz In The Conditions Of Tashkent, K.I. Ibragimov, B.H. Turakulov

Acta of Turin Polytechnic University in Tashkent

This article is devoted to the regeneration of air filters Mercedes-Benz buses, justified the number of optimal regeneration of clogged air filters. The dynamics of the aerodynamic resistance of air filters is experimentally and theoretically proved, and the second-order polynomials are obtained for the prediction of the change in their resistance by applying the methods of mathematical statistics.

Experimental Validation Of Radiator Effectiveness, Jamshid Mavlonov, Sanjar Ruzimov

Acta of Turin Polytechnic University in Tashkent

It is difficult to imagine modern vehicles without a cooling system. The cooling system is based on the radiator. Scientists have done various researches to improve radiator efficiency and these are still ongoing. This paper shows both theoretical and experimental methods for determining the effectiveness of radiator.

A Review Of Energy Efficient Fluid Power Systems: Fluid Power Impact On Energy, Emissions And Economics, Sanjar Mirzaliev, Kongratbay Sharipov

Acta of Turin Polytechnic University in Tashkent

Fluid power (hydraulic and pneumatic actuation) as an integral part of manufacturing and transportation has big impact in real sector of economy. In 2008, according to the U.S. Census Bureau, average efficiency of Fluid Power Systems amounted 22%, while the sales of systems using fluid power exceeded $226B. As large as the industry is, it has had little fundamental research that could lead to improved efficiency since the 1970 energy crisis. While there have been some attempts to improve fluid powered components separately, there has been lack of attention to the societal impact of the whole industry. This article analyzes …

The Use Of Geoinformation Systems In The Registration Of Road Traffic Accidents On Highways, S.N. Yadgarov, X.A. Qurbonov, Sh.M. Yugayev

Acta of Turin Polytechnic University in Tashkent

The article presents the results of a theoretical and practical study of the use of the Geoinformation system in the registration of road traffic officers on highways. Several systems (QGIS, ArcGIS and Google Fusion) can be used when recording traffic personnel. The use of software systems in yukori in the recording of road traffic that will occur will speed up the analysis process and the work with data in the placement of road signs in road parts.

Research And Improvement Of The Method Of Obtaining Polymer Composite Materials For Producing Passenger Carriages Floor, Ya.O. Ruzmetov, O.I. Zaynitdinov, M.Sh. Valiyev

Acta of Turin Polytechnic University in Tashkent

In this article, we consider a method for producing a polymer composite material based on an epoxy matrix. Complex mechanical and technological testing of the composite was carried out. Based on the analysis of mechanical and technological properties, it is recommended to make the flooring of passenger carriages from the polymer composite material.

Aerodynamic Analysis And Optimization Of Passenger Bus Isuzu Saz Hc 40 And It’S Impact On Fuil Economy, Javlon Shаmansurov, Kongratbay Sharipov

Acta of Turin Polytechnic University in Tashkent

The objective of this study is developing methodology of external aerodynamic analysis and simulation analysis of a passenger BUS ISUZU SAZ HC 40 for prediction of drag coefficient and its impact on fuel consumption with experimental validation. It has been checked that to resolve the air drag, the automobile absorbs possible the necessary engine power. Baseline model of passenger BUS ISUZU SAZ HC 40 was evaluated for estimating fuel consumption using Computational Fluid dynamics (CFD) methodology. The effects of the CFD were confirmed with the variability of experimental data. ISUZU architecture has been designed to reduce fuel usage with criteria …

Assessment Of Intangible Assets As Loan Collateral, D. Abdikarimova Phd.

International Finance and Accounting

This paper studies one of the important topics in collateral valuation practice i.e. valuation of intangible assets especially intellectual property. Moreover it compares tangible and intangible assets as loan collateral, studies the obstacles in IP valuation practice, proposes ham recommendations to improve this practice.

Increasing The Activity Of Commercial Banks In The Stock Market Of Uzbekistan, J. Buriyev, U. Musayeva

International Finance and Accounting

The article analyzes the mechanisms for organizing the operating activities of banks in the stock market as issuers, investors and investment institutions.

Analysis Of Sensors Of The Electronic System For Counting Axles (Eacs) And Firm Altpro Frausсher In The Organization Of Train Traffic, Sunnatillo Tuymurodovich Boltaev, Jonibek Fayzullaevich Kurbonov, Aziz Azimovich Saitov

Journal of Tashkent Institute of Railway Engineers

In this scientific work, the sensors of the electronic system for counting axles of various firms used in level crossings, trunk and station railways of the Republic of Uzbekistan are investigated. Based on the analysis, the parameters of the EACS accounting system are determined. The parameters that led to system crashes were defined in the electronic system for calculating the axes of the EACS. The parameters of the components of the EACS accounting system are determined, which are the main element in determining free loaded roads, reference points, points and sections of arrows. The conditions for using the sensor parameter …

2019 Winter Library Collections News, Dewitt Wallace Library

Library News

No abstract provided.

Predictors Of Overall Personal Achievements Of Nigerian American Graduates Living In Four Texas Cities, Amos Obiefuna

Theses & Dissertations

The purpose of this quantitative study was to examine the relationships between some of the variables most cited in literature and the overall achievement level of Nigerian Americans in four Texas cities—Austin, Dallas, Houston and San Antonio. Specifically, this study investigated the variables that significantly affected and predicted overall achievements. The Nigerian American questionnaire (NAQ) was used to gather the data for this study. The NAQ survey instrument was developed using some questions from previously validated survey instruments. These instruments included COPE, CASE, SWLS and JSS, which were used to extract relevant variable-related questions for the present data. The variables …

Affordable Care Act And Preventive Care Usage: A Mixed Method Analysis Of Cardiovascular Care, Brit Peek

Theses & Dissertations

It is a commonly held belief that access to health insurance affects the level of utilization of preventive care services, and thus plays a crucial role in the effective management of avoidable chronic illnesses, decreasing levels of premature mortality, and enabling individuals to live wholesome long lives. Based on this belief, among other goals, the Affordable Care Act (ACA) was designed to increase access to health insurance and related medical services for the population of the United States. This dissertation attempts to identify whether this belief is valid or not by testing whether the usage of preventive care changed between …

Treatment Of A Work-Related Superior Glenoid Labral Repair: A Case Report, Alexandra Touri

Case Report Posters

A superior glenoid labrum tear is a common injury in the shoulder. The highest incidences of superior labrum tear from anterior to posterior (SLAP) lesions occur in individuals from 20-29 years old and 40-49 years old. Common signs and symptoms include: instability in the joint, shoulder dislocations, pain with overhead activities, decreased range of motion, and loss of strength. SLAP lesions are less commonly seen in the workplace. There is little detail/research about which joint mobilizations/therapeutic exercises are most beneficial for this population. The purpose of this case report is to explore the post-operative PT management of a Workers’ Compensation …

Treatment Of A Work-Related Superior Glenoid Labral Repair: A Case Report, Alexandra Touri

Case Report Papers

Background and Purpose: A superior glenoid labrum tear anterior to posterior (SLAP) is a common injury in the shoulder although they are less commonly seen in the workplace. There are many resources for SLAP lesions concerning overhead throwing athletes, however, there are not specific details on return to work rehabilitation activities for the workers’ compensation population. The purpose of this case report is to explore the post-operative physical therapy management of a workers’ compensation patient with a superior glenoid labrum lesion. Case Description: This patient was a 45-year-old Hispanic female diagnosed with a superior glenoid labrum lesion of the left …

A Hip Strengthening Protocol For A Patient Following Achilles Repair: A Case Report, Matthew Morris

Case Report Papers

Background and Purpose: The Achilles tendon is the strongest, yet most frequently ruptured, tendon in the body. Hip strength has been associated with various lower extremity (LE) conditions. However, there is a lack of literature regarding hip strengthening and its impact on Achilles injuries. Therefore, the purpose of this case report was to describe the rehabilitation of a patient following a left Achilles tendon repair utilizing a comprehensive hip strengthening protocol. Case Description: The patient was a 32-year-old female who ruptured her Achilles playing tennis. She underwent surgical repair three weeks later and was immobilized and non-weightbearing for a total …

Restoring Functional Mobility For A Geriatric Patient Following Open Repair Of A Ruptured Abdominal Aortic Aneurysm: A Case Report, Grace Laughlin

Case Report Papers

Background and Purpose: Each year 200,000 people are diagnosed with an abdominal aortic aneurysm (AAA) in the United States and the mortality rate for ruptured AAA is estimated to be 80%. There are two surgical options to treat ruptured AAA, an open repair and an endovascular aneurysm repair (EVAR). The incidence of rupture following an EVAR is 0.9%. The purpose of this case report was to describe the physical therapy (PT) plan of care of an elderly patient following an open repair of a ruptured AAA with a history of EVAR. Case Description: The patient was an 86-year-old female admitted …

Functional School-Based Physical Therapy Management For A Child With Pallister-Killian Syndrome: A Case Report, Cheryl R. Espinosa

Case Report Papers

Background and Purpose: Pallister-Killian Syndrome (PKS) is a rare genetic disorder resulting from an additional short arm in chromosome 12. This condition leads to varying levels of multi-system impairments that impact a child’s development in gross motor skills yielding functional limitations. Pediatric physical therapy (PT) management is crucial for these children to facilitate improvements in sitting, standing, and ambulation. The purpose of this case report was to describe functional school-based PT management for a child with PKS. Case Description: The child was a seven-year-old male diagnosed with PKS at 20 weeks’ gestation. The child was seen for PT five times …

Q-Sumudu Transforms Pertaining To The Product Of Family Of Q-Polynomials And Generalized Basic Hypergeometric Functions, V. K. Vyas, Ali A. Al –Jarrah, S. D. Purohit

Applications and Applied Mathematics: An International Journal (AAM)

The prime objective of commenced article is to determine q-Sumudu transforms of a product of unified family of q-polynomials with basic (or q-) analog of Fox’s H-function and q-analog of I-functions. Specialized cases of the leading outcome are further evaluated as q-Sumudu transform of general class of q-polynomials and q-Sumudu transforms of the basic analogs of Fox’s H-function and I-functions.

Using Local Primary Source To Explore Major Milestones Of Desegregation And The Integration Of The University Of Chattanooga Lesson Plan And Workbook, Jhedienne Adams, Kiandra Franklin, Caitlin King

Primary Source Instructional Materials

No abstract provided.

Using Local Primary Sources To Study School Desegregation In Chattanooga Lesson Plan And Workbook, Tiarra Hill

Primary Source Instructional Materials

No abstract provided.

White Backlash As A Result Of Black Integration In Chattanooga Public Schools Lesson Plan And Workbook, Blair Carter, Monet Wood

Primary Source Instructional Materials

No abstract provided.

Fostering Dialogue And Engagement: The Role Of The Catholic Church In Nigeria, Tony Terwase Famave

Jesuit School of Theology Dissertations

This thesis entitled “Fostering Dialogue and Engagement: The Role of the Catholic Church in Nigeria,” written by Tony Terwase Famave, seeks to address the long-standing misunderstandings between Christians and Muslims that often lead to the wanton destruction of lives, property, and destabilization of the social order, using Vatican II as a model for Nigeria. The ethnic and religious division in the country is further complicated by a Muslim north which is predominantly of the Hausa Fulani tribe and the Christian south which is mostly of the Igbo and Yoruba tribes, with a number of minority tribes counted among the two …

Featured Bookshelf: 2019 Staff Favorite Reads, Megan M. Haught

Featured Bookshelf

For the month of December, the UCF Libraries Bookshelf celebrates the favorite books of employees of the UCF Libraries. And you know a major thing about librarians? They love talking about their favorite books. The books listed below are some of the favorite non-fiction books we read in 2019.

Keep reading below to see the full list, descriptions, and catalog links for the favorite non-fiction titles read in 2019 by UCF Library employees. These 30 books plus many, many more are also on display on the 2nd (main) floor of the John C. Hitt Library next to the bank of …

Reporting Student Learning, Hilary Hollingsworth, Jonathan Heard

NSW Curriculum Review

This paper is one of six research ‘backgrounders’ to support the 2018–20 review of the New South Wales (NSW) curriculum. It focuses on reporting student learning, which has been identified as an area of interest in the review. This paper seeks to present an evidence base, based on a rapid review of relevant research literature, to inform considerations related to student reporting practice reform.

Investigating Key Attributes In Experience And Satisfaction Of Hotel Customer Using Online Review Data, Hyun Jeong Ban, Hayeon Choi, Eun Kyong Choi, Sanghyeop Lee, Hak Seon Kim

Faculty and Student Publications

© 2019 by the authors. Licensee MDPI, Basel, Switzerland. With the development of social media, customers are sharing their experiences, and it is rapidly spreading as a form of online review. That is why the online review has become a significant information source affecting customers' purchase intention and behavior. Therefore, it is important to understand the customer's experience shown in the online review in order to maintain sustainable customer satisfaction and loyalty. The purpose of this study is to investigate what are the key attributes and the structural relationship of those key attributes. To accomplish this purpose, a total of …