Results 1 - 10 of 98
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[en] This comprehensive study examines the recent development of the three major gas resource countries in Central Asia. The author assesses the strategies likely to be taken by the Central Asian gas industry, especially with regard to pipeline construction
[en] The basic methods of mathematical modeling for thermal engineering calculations of a solar greenhouse in combination with geothermal waters are outlined. The experimental studies and theoretical calculations of the mathematical model are compared. The energy efficiency of the combined use of solar thermal energy and geothermal waters to create a microclimate in the cultivation facilities in the regions of Turkmenistan is generalized. The economic priorities of increasing the volume of agricultural products and the environmental benefits from the use of thermal water in greenhouses in Turkmenistan are given.
[en] Full text : South-Caspian depression is presented by area of large warping with thick (more than 25 km) sedimentary series and with wide development of mud volcanism. This depression is unique according to its number of mud volcanoes and intensity of their eruptions. There are about 400 mud volcanoes in this area, which is more than than a half of all volcanoes of the planet. Among them - 220 are continental, more 170 are marine, defined by different methods in the South-Caspian aquatorium. As a result of mudvolcanic activity islands, banks, shoals and underwater ridges are formed in marine conditions. Depths of underwater volcanoes vary from few meters to 900 m as the height of cones are different too. Marine mud volcanoes in geological history of Caspian sea evolution and in its recent history had and important significance. Activity of mud volcanoes in sea conditions lead to the formation of positive elements of relief. Products of ejection take part in the formation of microrelief of surrounding areas of sea bottom influence upon its dynamics and composition of bottom sediments. The carried out comparative analysis of mud volcanism manifestation both onshore and offshore showed the basic differences and similarities in morphology of volcanoes and geology-geochemical peculiarities of eruption products. New data on tectonics of mud volcanism development has been obtained over recent years. Mud volcanoes of South-Caspian depression are studied for assessment and oil-gas content of deep-seated deposits. Geochemical method of search of oil and gas deposits in mudvolcanic areas had been worked out.
[en] This report summarizes the data, including the cost parameters of the former iodine production facilities decommissioning project in Turkmenistan. Before the closure, these facilities were producing the iodine from the underground mineral water by the methods of charcoal adsorption. Balkanabat iodine and Khazar chemical plants' sites remediation, transportation and disposal campaigns main results could be seen. The rehabilitated area covers 47.5 thousand square meters. The remediation equipment main characteristics, technical solutions and rehabilitation operations performed are indicated also. The report shows the types of the waste shipping containers, the quantity and nature of the logistics operations. The project waste turnover is about 2 million ton-kilometers. The problems encountered during the remediation of the Khazar chemical plant site are discussed: undetected waste quantities that were discovered during the operational activities required the additional volume of the disposal facility. The additional repository wall superstructure was designed and erected to accommodate this additional waste. There are data on the volume and characteristics of the NORM waste disposed: 60.4 thousand cu.m. of NORM with total activity 1 439 x 10"9 Bq (38.89 Ci) were disposed at all. This report summarizes the project implementation results, from 2009 to 15.02.2012 (the date of the repository closure and its placement under the controlled supervision), including monitoring results within a year after the repository closure. (authors)
[en] In the USSR the peaceful underground nuclear explosions (PUNE) have been conducted for almost a quarter of a century. The first explosion for a artificial reservoir creation was conducted in 15 January 1965 on the Semipalatinsk test site. In total the 124 explosions were conducted on the 115 test sites. This makes up 23 % from a total number of nuclear explosions, including 81 explosions on the Russian territory, 38 - in Kazakhstan, 2 - in Uzbekistan, 2 - in Ukraine, 1 - Turkmenistan. Sum energy release of from PUNE made up ∼175 kiloton of trotyl equivalent. In the paper the measures for support of confidence in long time safety lasting a for working and living in the PUNE conducting places are cited
[en] The geological basins of Turkmenistan are reviewed as to their hydrocarbon potential, particularly with respect to gas reserves and resources. It is clear that the gas resources are immense. It is estimated that oil and gas reserves and resources are roughly 20 bn tonnes oil-equivalent (toe), about 80% of which is expected to be gas. This compares with 100 bn toe for Saudi Arabia, 10 bn toe for the North Sea and 5 bn toe for the Gulf of Mexico. Given the size of the resource, there has been relatively little interest from the international oil and gas industry. The primary factor limiting foreign investment is probably the lack of pipelines for oil and gas transport. Existing pipelines, built during the days of the USSR, connect with the Russian system in the north. The feasibility of completing pipelines to the south and west, some of which were started before the Iranian revolution, and reactivating those to the north is being studied. (UK)
[en] Six types of solar installations for drying various agricultural products are presented: the solar drying platform, the solar dryer for granular products, the hotbed dryer, solar dryer with natural draught, radiation-convection solar dryer and solar dryer for cotton. Relative simplicity, cheapness and opportunity of use near to a place of these products cultivation are the general characteristics of these installations. The numerous long tests which have been carried out in the Scientific-Industrial Corporation [Sun] of Turkmenistan Academy of Sciences have proved their efficiency and convenience in operation