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- Assessment (2)
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- Ammonium carbonate (UAS) (1)
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Articles 1 - 11 of 11
Full-Text Articles in Geotechnical Engineering
Сharacteristics Mineral Resource Base Of Madagascar, A. E. Vorobyev, K. A. Vorobyov, S.A. Ndriambanuna, L.E. Schesnyak
Сharacteristics Mineral Resource Base Of Madagascar, A. E. Vorobyev, K. A. Vorobyov, S.A. Ndriambanuna, L.E. Schesnyak
Gorniy vestnik Uzbekistana
The main characteristics of the mineral resource base of Madagascar with details of coal, iron ore, non-ferrous metals, uranium, rare metals and gold are considered. In the gold-ore mineral base of Madagascar, coastal placers are of particular potential interest. Foreign mining companies and local crafts are described. The transition to the development of coastal gold placers is proposed
Improvement Of Stock Opening Diagram Of Uranium Deposits When Involving In Processing By Method Underground Leaching, Alikulov Sh.Sh., Akhadov Kh.R., Xalimov L.U.
Improvement Of Stock Opening Diagram Of Uranium Deposits When Involving In Processing By Method Underground Leaching, Alikulov Sh.Sh., Akhadov Kh.R., Xalimov L.U.
Gorniy vestnik Uzbekistana
Uranium deposits of the Kyzylkum region, related to deposits of reservoir-infiltration or “sandstone” type and developed by the PV method, are formed mainly due to the occurrence of exogenous-epigenic processes in permeable rocks of the sedimentary cover. Research in practice shows that between the exploration characteristics often changes in the geometry of the ore body in the absence of confirmation of linear reserves. Therefore, use the present methodology to clarify the random errors of the parameters between exploration and industrial, to extract products from the bowels as much as possible and without loss. After clarification and justification of all necessary …
Extraction Purification Of Concentrates Of Rare Earth Elements From Impurities And Natural Radionuclides, O.F. Petuhov, B.T. Ruziev, U.Z. Sharafutdinov
Extraction Purification Of Concentrates Of Rare Earth Elements From Impurities And Natural Radionuclides, O.F. Petuhov, B.T. Ruziev, U.Z. Sharafutdinov
Gorniy vestnik Uzbekistana
The article presents the results of experimental studies on the extraction of rare-earth element concentrates from impurities and natural radionuclides. As part of the research, a technology for cleaning concentrates has been developed, including the following operations: Experimental studies have shown the possibility of effective purification of rare-earth element concentrates from impurities and natural radionuclides by the extraction method.
Forecasting The Gas Fluiding Process Deposits With Application Of The Universal Regression Model, Sh.Zh. Mirboboev, Z.A. Razykov, S.K. Sokhoshko, Yu. Sultonov
Forecasting The Gas Fluiding Process Deposits With Application Of The Universal Regression Model, Sh.Zh. Mirboboev, Z.A. Razykov, S.K. Sokhoshko, Yu. Sultonov
Gorniy vestnik Uzbekistana
This article discusses mathematical methods for predicting the degree of flooding of gas deposits using the Universal regression model, using the example of actual data from observation wells of the Yamburgskoye oil and gas condensate field.
Besнtentyak Oil And Gas-Condensate Field Water Analysis, Sh.Zh. Mirboboev, Z.A. Razykov, S.K. Sokhoshko
Besнtentyak Oil And Gas-Condensate Field Water Analysis, Sh.Zh. Mirboboev, Z.A. Razykov, S.K. Sokhoshko
Gorniy vestnik Uzbekistana
The article deals with the analysis of waterlogging and development dynamics oil and gas condensate field Beshtyentyak. As a result, have been determined the distribution of wells by the accumulated oil and liquid withdrawals, the periods of water manifestations of the wells in this field, and the changes in the oil-and-gas concentration and water supply. The further work of gas and gas condensate wells is estimated at the Beshtyentyak oil and gas condensate field.
Features Of Designs Of Nanosenses For The Oil Industry, A.E. Vorobev, Zhang Lianzi
Features Of Designs Of Nanosenses For The Oil Industry, A.E. Vorobev, Zhang Lianzi
Gorniy vestnik Uzbekistana
Development of design features of nanosensors for oil branch is shown. It is established that in modern nanosensors usually influence formation of a working signal as environment qualitative quantitative indices (values of temperature, pressure, speed of migration of fluids, contents of chemical elements, sizes рН, etc.) and the nature (predetermining properties), structure and extent (the geometrical sizes) of nanoparticles of sensitive elements which the studied environment influences, forming as a result this working signal. The basic design of nanosensors and the mechanism of their work is described. Distribution of nanosensors on classes depending on the principles and mechanisms of action …
Researche Of Certain Host-Rocks Of Uranium Ores By The Method Of Thermal Analysis, O.F. Petukhov, B.T. Ruziev, U.Z. Sharafutdinov, Khalimov U.I.
Researche Of Certain Host-Rocks Of Uranium Ores By The Method Of Thermal Analysis, O.F. Petukhov, B.T. Ruziev, U.Z. Sharafutdinov, Khalimov U.I.
Gorniy vestnik Uzbekistana
The article presents the results of thermal analysis of samples of minerals – calcite (limestone), dolomite, magnesite and quartz, as well as their mixtures in the host rock of uranium ore. It has been established that thermal decomposition (dissociation) of calcite occurs in one stage at a temperature of 870°C, magnesite - in one stage at 6500° C, and dolomite - in two stages at 7300°C and at 9100°C. Thermal analysis of a sample of uranium ore showed that, as host rocks, it contains calcite, dolomite, and quartz.
Analysis Of Factors Determining Efficiencyhead Leaving Stain Rays, A.E. Vorobev, Чекушена Т.В., Tcharo X
Analysis Of Factors Determining Efficiencyhead Leaving Stain Rays, A.E. Vorobev, Чекушена Т.В., Tcharo X
Gorniy vestnik Uzbekistana
The efficiency of irrigation of stacks is an important component, ensuring the intensification of the heap leaching process in the extraction of metals from poor ores. The study of the irrigation process in heap leaching should be aimed at improving the economic and technological efficiency of the applied irrigation methods. In this regard, the study of the factors affecting the evaporation of leaching solutions in HL will make it possible to make new and improved decisions regarding the devices and methods for the supply of solutions. The influence of coarseness and agglomeration on irrigation efficiency was also considered.
Monometric Mapping Flotation Process At Mikheevskiy Furniture Factory, Yu.G. Nikitina, I.P. Poyezhaev, G.A. Myrzabek, R.A. Musaev
Monometric Mapping Flotation Process At Mikheevskiy Furniture Factory, Yu.G. Nikitina, I.P. Poyezhaev, G.A. Myrzabek, R.A. Musaev
Gorniy vestnik Uzbekistana
An integrated study on the sandstone hosted uranium deposits on the base of hydrodynamic simulation has been carried out to define optimal field opening schemes. The reservoir simulation and mass-transfer models for selected field opening schemes, ways of optimizing existing facilities and building of optimized scheme are the main results of this investigation.
Prospects Of Chatkalo-Kuramin's Diamond Presence Zones And Correlated Territories, Uzbekistan, A.M. Azizov, R.G. Yusupov, S.D. Fatkhullaev
Prospects Of Chatkalo-Kuramin's Diamond Presence Zones And Correlated Territories, Uzbekistan, A.M. Azizov, R.G. Yusupov, S.D. Fatkhullaev
Gorniy vestnik Uzbekistana
The Middle and South Tien Shan as orogenic regions with accompanying sharp changes in temperature and pressure (Koshmansai diatreme) are characterized by conditions for the formation of diamond manifestations. Prospects of Uzbekistan for radical manifestations of diamonds are assigned to the activated regions of the Archean (?) With manifestations of Lower Proterozoic eclogite-like formations with a complex of associated alpinotype ultrabasites, as well as alkaline intraplate basaltoids, K1.
Automatic Monitoring System State Of Hydrotechnical Structures, O.V. Ruban
Automatic Monitoring System State Of Hydrotechnical Structures, O.V. Ruban
Gorniy vestnik Uzbekistana
The article outlines the possibilities for operational control of the technical condition of buildings. To this end, we propose integrated systems Trimble 4D Control (T4D) and ASKGTS "Titan", which provide automatic measurement and registration of physical quantities characterizing the state of the structure, as well as natural and technogenic parameters affecting the condition of the structure.