氧同位素会随着大气水循环而变化，硫同位素则根据地球岩床的不同而变化，通过它们我们就能确定地理位置。
Oxygen isotopes vary with the water cycle, and sulfur with bedrock, so they're location proxies.
通过热模拟实验，系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。
The effects of element sulfur on carbon isotopic fractionation of methane have been systematically studied by the simulation experiments of thermal transformated methane from organic matter.
以碳、硫同位素在石油生成演化过程中的分馏作用为基础，对塔里木盆地原油、油源对比进行了探讨。
Based on the fractionation of carbon and sulfur isotopes in the process of petroleum generation and evolvement, the crude oils and their sources in the Tarim Basin have been discussed.
金矿床的铅、氢、氧和硫同位素组成高度分散，表明成矿物质具有多来源性。
Scattered distribution of lead, hydrogen, oxygen and sulphur isotopes in the gold deposits is possibly indicative of diverse sources of ore_forming materials.
煤的硫、氢同位素组成明显地受环境的影响。
Sulphur and hydrogen isotope composition of coal are evidently effected by environment.
改造的结果使得矿床的硫、铅同位素产生均一化作用。
The reformation has led to the homogenization of sulfur and lead isotopes in the ore deposit.
通过对矿床地质特征、成矿期次及硫、氢、氧同位素组成和流体包裹体测温研究，讨论了成矿流体的来源及矿床形成的温度。
Geological features, mineralizing periods, fluid inclusions and s, H, o isotope compositions are discussed to identify ore-forming source and temperature.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
结论在生长迅速的小猪模型上，尿硫测定这一无同位素标记、无创的方法可以精确反映含硫氨基酸的分解代谢情况。
Conclusions Detection of urinary sulfur, as a non-tracer and noninvasive method, may be employed to accurately measure the catabolism of sulfur amino acid in the growing piglet model.
不同建造中硫化物的硫同位素组成与其来源有关，并随后期叠加改造作用的增强而趋于均一。
Sulfur isotopic composition of sulfide in different formations was related to their source, and tended to be uniform with the growing stacked reworking at later stages.
如图3所示，加酯剂中用放射性同位素硫标记的磺化油部分分散在皮革中。
Figure 3 shows how the sulfated oil portion of this fatliquor, which was labeled with radioactive sulfur, is distributed through leather.
笔者首次在山东新泰地区新太古代层状硫化物中观测到了明显的硫同位素非质量分馏效应。
An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province.
湘桂走廊地区大气降水明显的富集轻硫同位素（32S），而珠江三角洲地区则富集重硫同位素（34S）。
It is indicated that the sulfur isotopic composition of precipitation of Xiang-Gui Corridor is enriched in 32S, however, which of the Pearl River Delta is enriched in 34S.
赋存于不同时代地层中的典型矿床的硫化物硫同位素组成，总体上显示出与容矿地层同期形成的海相硫酸盐硫同位素组成相一致的特征。
Sulfur isotopic compositions of sulfides in the typical ore deposits hosted in different strata are on the whole consistent with those of Marine sulfates in corresponding host strata.
矿石硫同位素组成与地层的十分接近。
Isotope compositions of Au ore are approximate to that in the stratum.
通过对矿区矿石、岩石中铅、硫、氧同位素组成研究，查明青龙村群为金的矿源层。
Based on the research of isotope ratios of lead, sulfur, oxygen and carbon in the ores and rocks of this area, it is held that Qinglongcun Group serve as the source bed of gold.
环境样品的硫同位素比值能够提供硫的来源及其在环境中扩散迁移的相关信息。
Sulfur isotope ratio of environmental sample can provide detail information regard to origin and transport of sulfur in the environment.
用硫、碳和铅同位素组成说明成矿物质的复杂来源。
The isotopic composition of lead, sulphur and carbon demonstrate a complex source of ore forming material.
矿体呈层状，矿石具典型的沉积构造，矿石硫同位素组成与国内变质火山岩铜矿床相似，气液包裹体氢氧同位素组成介于大气循环水和变质水之间。
S-isotopic components in the ore with typic sedimentary structures are similar to those of metamorphic volcanic copper deposit. The ore bodies occurred as stratification.
细菌的还原作用和歧化作用都能造成明显的硫同位素分馏。
The result shows that the sulphur and sulphide mainly result from the reducing action of sulfate reducing bacteria.
同位素研究表明，矿层中硫来源于地幔，而氧同位素则显示其成矿过程有大气降水的参与。
Sulfur isotope studies demonstrate that sulfur was derived from the mantle, and oxygen isotope analyses reveal that the fluid of the deposit was a mixed source of magmatic water and atmospheric water.
同位素研究表明，矿层中硫来源于地幔，而氧同位素则显示其成矿过程有大气降水的参与。
Sulfur isotope studies demonstrate that sulfur was derived from the mantle, and oxygen isotope analyses reveal that the fluid of the deposit was a mixed source of magmatic water and atmospheric water.
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