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Article
Geochemical characteristics of light hydrocarbons in natural gases from the Turpan-Hami Basin and identification of low-mature gas
Theoretical and practical knowledge regarding low-mature gasses is of significant importance to identifying potential natural gas resources. Light hydrocarbon parameters and C and H isotopes are useful tools t...
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Article
Classification and regionalization of the forming environment of windblown sand disasters along the Tarim Desert Highway
Through the systematic field survey and observations, the factor quantification as well as setting the criteria, the sand disaster-forming environment along the Tarim Desert Highway can be divided into four gr...
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Article
Effects of natural covers on soil evaporation of the shelterbelt along the Tarim Desert Highway
The control of soil evaporation is one of important approaches to save water. The artificially simulated evaporation experiments have been conducted in the hinterland of the Taklimakan Desert to reveal the eff...
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Article
Abnormal growth of Ag3Sn intermetallic compounds in Sn-Ag lead-free solder
The abnormal growth of Ag3Sn intermetallic compounds in eutectic Sn-3.5% Ag solder was investigated through high-temperature aging treatment. Microstructural evolutions of this solder before and after the aging t...
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Article
Influences of marine floor hydrothermal activity on organic matter abundance in marine carbonate rocks — A case study of middle-upper Proterozoic in the northern part of North China
Study indicates that the elements rich in marine floor hydrothermal fluids have a positive influence, not only on total organic carbon (TOC), but also on the abundance of SiO2 in some Middle-Upper Proterozoic str...
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Article
Effects of age on latency and variability of visual response in monkeys
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Article
Abnormal austenite-ferrite transformation behavior in pure iron
The austenite → ferrite transformation is the most important reaction route in the manufacture of Fe-based materials. Here the austenite (γ) → ferrite (α) transformation of pure iron was systematically explore...
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Article
An approach to noble-gas isotopic compositions in natural gases and gas-source tracing in the Ordos Basin, China
Isotopic compositions of noble gases, i.e. He Ar Kr and Xe, are measured in natural gases from the Zhongbu gasfield in the Ordos Basin. And heavy noble-gas isotopes (Kr, Xe) are here first used in geochemicall...
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Article
Isotopic composition characteristics and identification of immature and lowmature oils
Isotopic composition characteristics and the significance of immature and low-mature oils are first systematically discussed. The carbon isotopes of the whole oil can be divided into two groups, one has δ13C main...
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Article
Growth of decagonal quasicrystal phase in laser resolidified Al72Ni12Co16
An ultra-high temperature gradient directional solidification process produced by a widened laser beam was adopted to achieve the directionally solidified microstructure of the stable decagonal quasicrystal ph...
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Article
Natural gas geochemistry of low evolutionary stage of medium- and small-sized basins in Yunnan Province, southwestern China
The biogenic gas and premature-low mature associated gases in some medium and small-sized basins of Yannan Province, such as Luliang, Yanglin, Baoshan and **ggu basins, have beed researched. The results show ...
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Article
A breakthrough of researching reservoir adsorption gas and its significance
GC-C-MS on linear isotope analysis equipment makes it possible to measure the hydrocarbon gases at the level of 10−3–10−2 μL. By applying this technique the carbon isotopes of C1-C3 of the adsorbed gas from the T...
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Article
A model for carbon isotope distribution of methane during diagenesis
The evolution of methane carbon isotope with depth has been discussed based on diagenetic reaction kinetics and isotopic Rayleigh fractionational theory. A mathematical model to describe data of methane carbon...
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Article
Noble gas isotopes in natural gases from Central and Northwest China