Digital Commons Network^™

How To Lie With Coronavirus Statistics: Campbell's Law And Measuring The Effects Of Covid-19, Joel Best

Numeracy

Campbell's Law warns that when measurements become consequential those whose performance is being measured may try to skew the results. This case study examines the Trump administration's efforts to present COVID-19 statistics that would discourage restricting economic activities and encourage reopening the economy.

Interacting With Digital Contents: Understanding The On-Screen Reading Behavior Of Young Adults, Saira Hanif Soroya, Kanwal Ameen

Library Philosophy and Practice (e-journal)

In Pakistan, the use of electronic gadgets like Ipad, smartphones, laptops, etc. is on the rise. With the exponential growth and availability of digital reading contents, it is also a matter of concern that how readers interact with digital contents? And whether they are aware of features associated with electronic reading devices? The current study aims to examine the level of students’ digital information literacy skills and to understand the status of their interaction with digital contents. A survey was conducted using a questionnaire as a data collection tool. The data were collected from the students of the Higher Education …

An Analytical Study Of Lis Topics Covered On Wikipedia, Medha Rajesh Mangurkar Mrs., Dinesh B. Khandvi Mr

Library Philosophy and Practice (e-journal)

One of the objectives of UGC is to conduct efficient, transparent standard tests to evaluate the ability of the candidate for the purpose of admission and recruitment. UGC conducts National Eligibility Test (NET) to determine eligibility for lectureship and for award of Junior Research fellowship (JRF) in Social Sciences, Humanities, Forensic Science, Environmental, Computer Science and Electronic Science.

Wikipedia is a website developed collaboratively by a community of users, allowing them to change or add study material on it. The purpose of the study is to examine the extent to which the syllabus of Library and Information Science subject of …

Options For Increasing The Efficiency Of Intersectoral Clusters In The Agricultural Sector Of Uzbekistan, Bakhtiyor Ruzmetov, Dilfuza Matyakubova, Muyassar Raximova

Central Asian Problems of Modern Science and Education

The article analyzes the potential of intersectoral clusters in the agricultural sector of Uzbekistan, suggests options for improving their efficiency.

Improving Usage Of Digital Marketing Strategies In The Development Of The B2b Food Market, Maqsuda Saminovna Aminova

Central Asian Problems of Modern Science and Education

Proposed methodological approaches of transforming traditional marketing strategies into digital marketing strategies that allows effective activities in the B2B market by analysing methods of using digital marketing strategies in the development of B2B food production market.

Ways To Improve Of Financial Security Management At Textile Enterprises In Uzbekistan, B.O. Tursunov

Central Asian Problems of Modern Science and Education

In this paper has been investigated issues of financial security management of textile enterprises. On the basis of secondary statistics, the growth of textile production in the regions of the Republic of Uzbekistan in 2008-2018 was analyzed and the factors influencing it were identified. By the author have been presented the main tasks and conditions for the financial security of enterprises, as well as developed scientific and practical recommendations for eliminating factors affecting the financial security of textile enterprises.

Issues Of Using The Opportunities Of Ethnographic Tourism In The Aral Region: Problems And Prospects, Umidjon Matyakubov, Sh. Akhmedov, R. Isakov

Central Asian Problems of Modern Science and Education

This article researches the use of ethnographic tourism resources in the Aral Sea region. Desk study was used to identify ethnographic tourism sites in the region, and a SWOT analysis of the development of ethnographic tourism was conducted. Recommendations for the development of ethnographic tourism in the Aral Sea region in the future were also given.

The Sets Of Julia And Mandelbrot For Multi-Dimensional Case Of Logistic Mapping, Rasul Ganikhodzhaev, Shavkat Seytov, Islombek Obidjonov, Lazizbek Sadullayev

Central Asian Problems of Modern Science and Education

The present paper is devoted to investigation of the multidimensional case of the logistic mapping on the plane to itself. In this paper we learnt the properties of the sets of Julia and Mandelbrot for some two-dimensional logistic mappings. The sets of Julia and Mandelbrot help to define asymptotical behavior of the trajectories of certain mappings. The analytical solutions of the equations for finding fixed and periodic points and the computational simulations for describing the sets of Julia and Mandelbrot are the main results of this paper.

Possibilities Of Using Multimedial Energy Software In The Formation Of Environmental Culture And Education In Students, Yusuf Zhamilov

Central Asian Problems of Modern Science and Education

The article explores the role and didactic possibilities of teaching alternative energy, alternative energy sources and devices, their use in the national economy, the concept of alternative energy in the educational process using multimedia, multimedia products, multimedia technologies and multimedia tools. The analysis of the didactic possibilities of using multimedia software teaching aids, electronic textbooks, virtual laboratory stands, 3D animations and training simulators in the content of the pedagogical basis for the formation of competencies in environmental culture and education of students.

Cosine Similarity And Its Implementation To Uzbek Language Data, Sanatbek Gayratovich Matlatipov

Central Asian Problems of Modern Science and Education

In this article, it has been considered the cosine similarity and its application to search for similarities in the Uzbek language texts. The algorithm of cosine similarity has been used to determine similarity of Uzbek texts. We give the application of the program, proposed by the authors, to the texts of the educational portal ziyonet.uz dataset;

Challenges, Experience And Efficiency Of Distance Education System Introduced In Uzbekistan’S State Conservatory During Pandemic, Munavara Abdullaeva, Shokhida Gafurova

Eurasian music science journal

The purpose of this paper is to outline the efficiency of distance education and consider the peculiarities of the implementation of distance education in the State Conservatory of Uzbekistan. The study suggested relatively low level of satisfaction of online education by teachers and students of the State Conservatory of Uzbekistan, as well as with the quality of information and its absorption. A methodology was employed based on unstructured in-depth interviews with teachers and students, as well as on observation and survey. The article highlights general technical methodological and specific problems of the implementation of distance education and challenges associated with …

Hydraulic Elevator For Purification Of Water Supply Facilities Of The Reservoir, F.Sh. Shaazizov

Irrigation and Melioration

To clarify the granulometric composition of the deposited sediments at the inlet head of the water intake of the outlet of the Tupolangskiy reservoir, samples of bottom sediments were taken and their granulometric composition was analyzed in laboratory conditions. Near the water area of the water intake of the 1st tier of the Tupolang reservoir, the deposited sediments are represented by smaller particles, the diameter of which ranges from 5 mm to 0.1 mm and their percentage is 95%. The main results on the calculation and substantiation of the parameters of the hydraulic elevator for cleaning the water area of …

Results Of A Numerical Study Of Currents In The Vicinity Of A Damless Water Intake, D.R. Bazarov, O.F. Vokhidov, M. Tashkhanova, F. Uljayev

Irrigation and Melioration

The problem of sustainable water intake in the conditions of significant fluctuations of flow rates and water level is significantly exacerbated by erosion of river beds. A typical example of such conditions is the damless water intake into the Karshi Main Canal (KMC) where the main flow of the Amudarya river continuously moves along a wide floodplain, changing the direction of currents. As a result, it is very difficult to withdraw the required volume of water from the river to the canal especially during dry years due to the high instability of currents at the entrance to the canal. Within …

Prospects For Solving The Problem Of Rational Use Of Water Resources Using The Tiiame-1 Sprinkling Machine, M.Kh. Khamidov, A.R. Muratov

Irrigation and Melioration

The information published by the International Commission on Irrigation and Drainage, and the intermediate results of many years of research carried out by scientists from TIIAME on the development, research and implementation of water-saving technologies in agriculture are presented. The acute shortage of water resources in Central Asia, the problems of increasing the efficiency of the use of water-saving technologies around the world have led to the careful use of available water resources in the region, including the prospects and advantages of using irrigation of crops by sprinkling, as well as the design and technical parameters of the sprinkler developed …

Inadequacy Of Current Water Use Planning At The Level Of Water Users And Wuas, A.A. Alimdjanov, A.Kh. Karimov, B.R. Nasibov

Irrigation and Melioration

This paper studies the main issues of water use planning at the level of water consumers and water user associations (WUA). The study carried out in Bulakbashi district of Andijan province of Uzbekistan, where the main source of irrigation water is the Southern Fergana Main Canal. The study followed two-stage procedure. During the first stage we compiled water use plans for the WUA and water consumers based on the applied methodology of water use planning. Then, at the second stage, we analyzed the results of the actual implementation of the farm water consumption plans and WUA water use plan, and …

Technology And Technical Device Used In The Efficient Use Of Water Resources In Irrigated Agriculture, А.U. Аtajanov

Irrigation and Melioration

The economical use of water resources, the improvement and development of new technology and technical means for its implementation, ensuring the saving of irrigation water is one of the most important issues of today. This article is devoted to the issues of improving the technology of irrigation of furrows and the creation of technical means,also recommended technology and using from created technical device in selected per experiment fields and analyzing their results.

Empirical Assessment Of Climate Change Impacts On Agriculture In Samarkand Region, Sh.B. Babakholov

Irrigation and Melioration

Agricultural production is highly sensitive to climate factors like other endogenous factors, and the expected climate change projections may have a negative impact on the efficiency and income of agricultural producers. Therefore, this study aims to analyze the impact of changes in climatic factors (average air temperature and precipitation) on the technical efficiency of cotton growing farmers as its determinants in Samarkand region. Empirical analyzes were performed on the cases of 1141 cotton-growing farms using panel-based Time-Invariant Inefficiency model. According to the results of the analysis, cotton farms in the region have an average technical efficiency of 76%, which in …

Car Wash Complex – Object Of Harmful Impact On Water Resources, M. Radkevich, K. Shipilova, M. Abdukodirova, O. Pochugevski

Irrigation and Melioration

Deals with the problem of the impact of car wash complexes in the city of Tashkent on water resources. The analysis of the technological process of washing and a sociological survey of car owners and employees of car washes revealed the average amount of water used per car wash per year, as well as the amount of harmful substances entering the sewer network of the city of Tashkent. Calculations have shown that the annual water consumption only for passenger cars in Tashkent is about 4.34 million m³, and the wastewater is not properly treated. From one car wash …

Agrochemical Indicators Of New Irrigated Graph-Meadow Soils Formed On The Iii Underfladder Terrace Of Syrdarya, J.M. Kuziev

Irrigation and Melioration

Presents material on the geographical location, geomorphological and geological structure, as well as the agrochemical state of irrigated serozem-meadow soils, common in the Mirzaabad district of the Syrdarya region. According to the data obtained on the chemical analysis of soils, the studied soils are medium- and heavily loamy in texture, where particles of coarse sand predominate (0.05-0.01%). In the arable horizon of these soils, the humus content is 1.088-1.214%, total nitrogen 0.079-0.089%, total phosphorus 0.109-0.124%, and total potassium within 1.15-1.24%, and on the basis of these data, a regularity of the underlying horizon of these soils. The degree of provision …

Water Efficient Technology Of Drip Irrigation In Intensive Gardens, F.U. Juraev, G.H. Karimov

Irrigation and Melioration

The studies were carried out in 2017-2019 at the Zodabek farm on a 6 hectare garden plot with seedlings of half-tall apple trees “Golden Delicious”. Experimental research work was carried out at a groundwater level in the experimental area of 1.5-2.0 m, mineralization 1.0-1.2 g/l in alluvial, mechanical, medium sandy soils with the following irrigation options. The first option is irrigation, at the start of the second - drip irrigation; third, the use of specially designed soil pegs. The following results were obtained: in the control option, the average irrigation rate for three years was 1125.7 m3/ha, with drip irrigation …

Extinguishing Excess Flow Energy In Spillway Structures, D.R. Bazarov, S.K. Khidirov, O.F. Vokhidov, M. Tashkhanova, A. Gayur

Irrigation and Melioration

Presents the results of experimental studies aimed at developing a new damper design at the spillway structure. The analysis of the distribution diagrams of the velocities at the spillway was carried out, the results of which showed that the bottom flow velocity is higher than the surface velocity by 3–17%. According to the research results, it was found that in the second variant of the research this increase is 2–22%. The maximum values of specific flow rates in the first variant of the study in the apron varied relative to the downstream stilling well within 1.5–40%, in the second variant …

Experimental Bases Of Determining The Hydraulic Friction Coefficient In Preasure Systems Fo Sediment Flow, A.M. Arifjanov, Q.Т. Rahimov, A.D. Abduraimova, S.N. Xoshimov

Irrigation and Melioration

When the fluid moves in pressure pipelines, the determination of the coefficient of hydraulic friction is very important. To determine the coefficient of hydraulic friction during the movement of a homogeneous fluid, there are formulas that have a theoretical basis and experimental confirmation. Determination of the coefficient of hydraulic friction is much more complicated when there is a turbid flow in the pipeline, in such cases laboratory experiments are necessary. The article deals with the issue of experimental determination of the coefficient of hydraulic friction during the movement of slurry in pressure systems. The experimental results are processed based on …

Forecasting The Dynamics Of Cotton Yield In The Ferghana Region, V. Vakhobov, А.А. Faiziev

Irrigation and Melioration

Observations of a certain phenomenon, the nature of which changes over time, give rise to an ordered sequence, which is called a time series. In the article, using the method of statistical time series analysis, statistical pattern of time series Y₁ – average yield of cotton in Fergana region of the Republic of Uzbekistan(on materials of CSB of the Republic of Uzbekistan for 1991-2018 years). Point and interval estimates for the average cotton yield were constructed with a 95% guarantee, explicit types of trends were determined, and the yield in the region was predicted for subsequent years. Using statistical …

Hydraulic Elevator For Purification Of Water Supply Facilities Of The Reservoir, R.R. Ergashev, F. Atrikbekova, H. Khusanboeva, B.T. Kholbutaev, N.A. Babazhanov

Irrigation and Melioration

The purpose of the research is to increase the efficiency of pumping stations operation by improving the methods of uniform flow spreading in the front chamber and inlet of the pumping station and developing constructive measures to improve the hydraulic conditions for supplying the flow to the pumps. The improvement of the method of hydraulic calculation of the flow in the front chamber and the water intake chamber is given on the example of the head pumping station of the Jizzakh cascade. In the process of research, standard methods of full-scale and bench tests of pumps, methods of mathematical and …

Energy-Saving Structure Justification Powerful Tractor And Modern Agricultural Machine, A.K. Igamberdiyev, N.A. Khalikova, N.B. Razikov, O.E. Usarov

Irrigation and Melioration

Discusses the fact that machine-tractor units (MTA) from high-power tractors are often not fully used due to errors in the design and operation of units, their ability to work under certain operating conditions with maximum efficiency and minimum fuel consumption, a method of completing a machine-tractor unit from a high-power technical means is proposed, which ensures the required quality of the technological operation, maximum efficiency and minimum fuel consumption, which must be performed under certain operating conditions. To study the power balance of energy-saving units, consisting of powerful tractors and modern agricultural machinery, an analysis was carried out of a …

Innovative Technologies In The Assessment Of Accumulation And Erosion Processes In The Channels, A.M. Arifjanov, T.U. Apakhujayeva, D.E. Atakulov, S.N. Xoshimov

Irrigation and Melioration

The article discusses the possibilities of assessing the state of river beds and changes in them using remote sensing technologies (RS) and geographic information systems (GIS). With the help of geoinformation technologies, an assessment of deformation phenomena over the past 25 years in the channel of the Sokh river, which was chosen as the object of research, was given. Channel phenomena have been studied using data obtained from satellites. To analyze the situation, a model of the Landsat satellite was selected. The currently widely used official Glo Vis website was used to download the data. Data analyzed using ArcMap software. …

Traction Control Of The Friction Drive Of The Vertical Spindle, M. Shoumarova, T. Abdillaev, Sh.A. Yusupov, Ch.A. Shermatova

Irrigation and Melioration

The main indicator in assessing the quality of the work of cotton pickers is its completeness of picking cotton, among the factors that predetermine the completeness of picking a special place is occupied by the direction and magnitude of the absolute speed of the spindle tooth. Among the factors affecting the absolute speed of the tooth, the main place is occupied by the angular speed of rotation of the spindle around its own axis, which depends on the quality of functioning of the friction drive of the spindle. This drive does not always provide its required traction capacity, since due …

Research The Chopper Apparatus Of Equipment For Chopping Pressed Rough Fodders, Sh.H. Gapparov, N.A. Ashurov

Irrigation and Melioration

Livestock is one of the most important agricultural sectors in Uzbekistan and it is based on family livestock farms. On family farms, livestock animals are fed with pressed roughage, including corn stalks, alfalfa hay, barbed straw and wheat straw, mixed with concentrated feed. However, due to the lack of small choppers suitable for small farms, the compressed feed is fed to animals without chopping, as a result of which about 25-30 percent of them go to waste and there are large losses. Taking this into account, a small device was developed for chopping pressed roughage and mixing it with concentrated …

Theoretical Research On Determining The Length Of The Shovels Of A Wheel Of Centrifugal Fans, V.A. Arkhipov, D. Dzhuraev, I.Zh. Toirov, A.E. Urishev

Irrigation and Melioration

Presents the results of theoretical research by scientists, carried out scientific work to determine the length of the shovel of a centrifugal fan wheel. A technological scheme for installing a shovel on a fan wheel disk has been developed Analyzes of these works are carried out, which show that the length of the wheel shovel has a significant dependence on the parameters of the wheel (R, R₁), the angle of installation α and the radius of the arc R₃ of the shovel. An analytical dependence is derived for determining the length of the shovel of a …

Development Of Irrigation And Melioration On The Basis Of The Mechanism Of Public-Private Partnership, U. Umurzakov, G. Dusmuratov

Irrigation and Melioration

The countries developing PPP are creating their own underlying funding models, ownership relations and governance practices that differ from traditional relationships. In this regard, have been studied and analyzed the implementation of measures to develop irrigation and improve the melioration of irrigated lands and specifics of the implementation of the PPP mechanism in irrigation and land reclamation. Considered the issues of land reclamation development using PPP mechanism in agro-industrial production and presented the options that provide interaction for the state and private business, which begins from the problem of restoring hydraulic amelioration structures and ends with the issues of effective …