Results 11 to 20 of about 327,395 (200)
Provision of remote methods for estimating soil salinity on meliorated lands [PDF]
E3S Web of Conferences, 2023 The proposed methodological recommendation on the ground support of remote methods for assessing salinization of soil in reclaimed lands is devoted to the operational monitoring of salinity of reclaimed lands.
Isaev Sabirjan +5 more
doaj +1 more source
Boundaries of flow change in an array of structures with an inclined slope [PDF]
E3S Web of Conferences, 2023 The purpose of the research is to substantiate an effective technology for the use of reinforced soil in hydraulic engineering facilities. The main task is to develop calculation methods and compare them with the results of model studies.
Glovatskii Oleg +4 more
doaj +1 more source
Hydraulic resistances of derivation channels of hydropower facilities [PDF]
E3S Web of Conferences, 2021 Currently, many authors have studied the uniform axisymmetric pressure head laminar and turbulent movement of water in hydraulic smooth and rough (with uniform roughness) pipes of circular cross-section.
Uralov Bakhtiyor +5 more
doaj +1 more source
Application of GIS technologies in quality management of land accounting in Uzbekistan [PDF]
E3S Web of Conferences, 2021 Qualitative land accounting plays an important role in the efficient use of agricultural land, the targeted placement of crops and the imposition of taxes on land users.
Inamov Aziz +5 more
doaj +1 more source
Bank destruction in the middle section of the Amudarya River [PDF]
E3S Web of Conferences, 2021 The paper presents the results of a full-scale study of the banks destruction in the middle section of the Amudarya River. The article presents the main factors of coastal destruction during floods and low water periods.
Bazarov Dilshod +5 more
doaj +1 more source
Hydrometric flow measurement in water management [PDF]
E3S Web of Conferences, 2023 The main problem in the operation of irrigation systems is to ensure the accuracy and reliability of measuring the main hydrometric parameters in managing water resources of irrigation facilities.
Glovatskii Oleg +4 more
doaj +1 more source
Model studies of a curved suction pipe of pumping units [PDF]
E3S Web of Conferences, 2023 The purpose of the research was to study the hydraulic conditions of the flow supply in the new design of the curved suction pipe and to study the effect of these conditions on the pump operation.
Glovatskiy Oleg +5 more
doaj +1 more source
Results of application of water-saving technologies in rice farming [PDF]
E3S Web of Conferences, 2023 The article presents the results of field studies on the application of sprinkling and drip irrigation technologies in the cultivation of rice in the soil and climatic conditions of the Republic of Karakalpakstan based on the tasks defined in the Decree ...
Ikramov Rakhimjan +3 more
doaj +1 more source
Supplying long-term workability of the old elements of the hydraulic facilities by using of cold compositions [PDF]
E3S Web of Conferences, 2023 The aim of the research is to improve the composition of the cold composition BNR (bitumen-nairite rubber) by improving the technical properties, the technology of anti-filtration and anti-corrosion materials using at repair of the hydraulic structures ...
Petrov A.A. +3 more
doaj +1 more source
Guan'gai paishui xuebao, 2022 【Background】 Selenium is a crop nutrient but scarce in many soils. One solution is to add selenium with irrigation water to the soil. In this paper we investigated experimentally spatial accumulation and distribution of added selenium and is correlation ...
MA Tian +6 more
doaj +1 more source