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Study Of The Thermal And Temperature Conditions Of Flat And Inclined Lands, Shavki Kulaganovich Niyozov, Abdurahmon Abdullaev, Rustam Ummatkulovich Elmurodov, Shahzod Xolmat O‘G‘Li O‘Tkirov

Bulletin of Gulistan State University

Prior to sowing seeds of agricultural crops, awareness of the thermal, water, and light regimes of the land is of great importance. In this article, we studied the thermal and temperature conditions of flat and inclined lands through the heat transfer equations in the soil. At the same time, the temperature invariance at a certain depth from the soil surface was mainly obtained, on the basis of which a formula for calculating the soil temperature from the sediment was derived by the method of harmonic analysis. In addition, formulas for flat Land and temperature regimes of 10˚, 20˚, 30˚ slopes …

Features Of Liquid-Phase Epitaxy Of (Gaas)1-X(Znse)X Solid Solution From The Tin Solution-Melt, Amin Safarbaevich Saidov, Dadazhon Valikhanovich Saparov, Shukrullo Negmatovich Usmonov, Kurban Gulmuratovich Gaimnazarov, Mansurbek Kilichovich Sultanov

Bulletin of Gulistan State University

Layers of (GaAs)1-x(ZnSe)x (0  x  0.80) molecular substitution solid solutions with a smoothly (but not monotonically) varying composition on monocrystal GaAs (100) substrates were grown by liquid-phase epitaxy from a limited volume of a tin solution-melt. Based on the results of the solubility of GaAs, ZnSe in tin and the phase diagram of binary systems Ga-Sn, As-Sn, Zn-Sn and Sn-Se, it is shown that binary compounds in the tin solvent at temperatures of 650-750°C are below the melting point of the corresponding materials are found mainly in the form of GaAs and ZnSe molecules. Moreover, in the temperature …

Applications Of The Improper Integrals To The Physical Process, Husanboy Norjigitov, Iroda Dustnazarova

Bulletin of Gulistan State University

Studying the magnetic field of current, Bio and Savar came to the conclusion that the force with which the current acts on the magnetic charge can be considered as equal to the forces, as if coming from individual infinitesimal current elements. In this paper, we study the physical applications of definite and improper integrals. It also provides an in-depth analysis of the famous Bio-Savard Laplace's law in physics. It was calculating that this is the power acting on the current through l long conductor and the gravitational attraction of the body. Various descriptive schemes were used to describe computational processes. …

Automodeled - Solution To The Problem Of Ground Water Dynamics In The Presence Of Nonlinear Evaporation, Kengash Jamuratov

Bulletin of Gulistan State University

The problem of determining the level of groundwater near reservoirs, taking into account evaporation from the surface of groundwater, is reduced to a boundary value problem with an unknown boundary for a parabolic equation. The condition for the problem (motion) to be self-similar is established. A problem with an unknown boundary is distinguished and investigated, which differs from the well-known problems of Stefan, Verigin, Florin. The problem under consideration describes the filtration process near new canals and reservoirs, taking into account evaporation, which is a nonlinear finite function of time and groundwater level. A separate method of linearization of the …

Problems Of Predicting The Success Of Plant Introduction In Uzbekustan Conditions, Igor Vladimirovich Belolipov, Khazratkul Kilichievich Karshibaev, Nodira Ziyodovna Arabova, Avaz Musaevich Islamov

Bulletin of Gulistan State University

The article deals to bring theoretical and practical aspect of successful result introduction wild plants Uzbekistan flora. The authors, based on the results of long-term introduction studies of more than 700 species of indigenous flora in the conditions of the Botanical Garden and the Tashkent experimental site of the Institute of Botany of the Academy of Sciences of the Republic of Uzbekistan, established that ecological-introduction analysis is one of the main stages in proqnosis the successful of plant introduction. When studying plants using the ecological-introduction method, the main effort is directed to collecting the maximum amount of materials about the …

The Use Of Physiologically Active Substances In The Biosorption Of Iron (Iii) Ion, Ugilay Koxxorovna Abdurahmanova, Habibjon Hojiboboyevich Qushiyev, Muxriddin Shuxrat O’Gli Xudoynazarov, Sardor Abdujalil O’Gli Majidov

Bulletin of Gulistan State University

This article proposes a simple and rapid method for the spectrophotometric determination of iron (III) using a physiologically active compound - the mono ammonium salt of glycyrrhizic acid (MASGA). The spectral characteristics of the MASGK-Fe (III) complex - absorption maxima (λmax = 440nm) and the actual molar extinction coefficient (ε = 3,425 × 102) were determined. The experimental results showed that when using a universal buffer solution, the complex compound had the maximum optical density. Therefore, in subsequent studies, a universal buffer solution with pH = 5 was used. The experimental results showed that the optical density of the complex …

Herbicidal Action And Morphogenetic Adaptation Of ‘Sultan’ Cotton Variety, Sherzod Toxir O`G`Li Pardabayev, Xislat Kudratovich Xaydarov

Bulletin of Gulistan State University

Ensuring the protection of agricultural plants from pests, diseases and weeds in our republic, preventing the harmful effects of plant protection products on human health and the environment are among the most important issues. This article describes in detail the resistance of cotton (Sultan variety) to herbicides (galaxifop-P-methyl), as well as the negative and positive effects of herbicides on seedlings. The study was carried out using various concentrations of herbicides and analyzed the individual morphological characteristics of plant seedlings at each concentration. The experiments were carried out in laboratory and field conditions. In the experiment, five types of concentrations of …

Assessment And Determination Of The Dynamics Of Changes In Salinization Of Irrigated Lands Under The Influence Of Climate Change (In The Case Of Syrdarya Province), Sarvar Akramovich Odilov, Sayidjahon Zokir Ogli Hasanov, Rashid Anarovich Kulmatov, Jasur Ashiralievich Mirzaev

Bulletin of Gulistan State University

In irrigated lands of the Aral Sea Basin, salt-affected areas are increasingly rising and this negatively impacts agricultural development and food security in such countries located in the basin. Drivers, increasing salt-affected areas, are assumed to be climate change, unregulated high groundwater levels and its increased mineralization, poor functioning of the collector-drainage system, and insufficient compliance with agro-technical requirements. These drivers, in turn, lead to the withdrawal of arable land from agricultural purposes and a significant drop in crop yields. This is especially the case in the irrigated areas of the lower reaches of the Amu Darya and Syr Darya …

Deborah Wilkins For Wku Staff Regent, Deborah Wilkins

Staff Council

Campaign email soliciting votes for Deborah Wilkins.

David Brinkley For Wku Staff Regent, David Brinkley

Staff Council

Campaign email soliciting votes for David Brinkley.

Barriers To Post-Secondary Success, Douglas Swanson, Najeana Henderson, Maritza Sloan

Dissertations

This study reviews factors that prior studies have identified or failed to consider as barriers to post-secondary success. The three main areas include academic success for Latinx students after high school, organizational systems and their impact on African-American students’ postsecondary readiness, and what workers think of their high school education with regards to career preparedness.

Five factors are identified as major barriers for Latinx students to continue in a higher education system. A survey of former students from Saint Louis, Missouri, and Dallas, Texas, metroplex area identified 56 Latinx students that participated in an initial survey. This led to a …

Deborah Wilkins For Wku Staff Regent, Deborah Wilkins

Staff Council

Campaign email soliciting votes for Deborah Wilkins.

You Get An Exception! And You Get An Exception! The Agonies Of Evaluating Exceptions To Student Policy & Procedure, Dana Howard, Edward Trombley

Publications

The Registrar and Associate Registrar from ERAU Worldwide discuss the torturous process of evaluating student requests for exceptions to policy and procedure. Decision points around continuing student status, late adds, drops, and withdrawals, curricular substitutions, and graduation will be explored. Scenarios from their office were shared for discussion. Recommendations for best practices for policy writing from the AACRAO Guide to Graduation Ceremonies are included.

The Minutes Of The Marshall University Graduate Council Meeting, March 26, 2021, Marshall University Graduate Council

Graduate Council Minutes

No abstract provided.

2021 March 26 - Board Of Trustees Finance And Administration Committee Public Notice, Board Of Trustees, East Tennessee State University

Board of Trustees Agendas and Minutes

No abstract provided.

2021 March 26 - Board Of Trustees Finance And Administration Committee Agenda And Minutes, Board Of Trustees, East Tennessee State University

Board of Trustees Agendas and Minutes

No abstract provided.

March 26th, 2021 Minutes, Swosu Faculty Senate

Faculty Senate Minutes

SWOSU Faculty Senate Minutes

2021 March 25 - Noland Launches New Chapter Of Committee For 125, Taylor Maupin

ETSU 125 - Chapter II

No abstract provided.

David Brinkley For Wku Staff Regent, David Brinkley

Staff Council

Campaign email soliciting votes for David Brinkley

2021 March 25 - Academic Council Agenda And Minutes, Academic Council, East Tennessee State University

Academic Council Agenda and Minutes

No abstract provided.