说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 氧同位素
1)  oxygen isotope
氧同位素
1.
Oxygen isotope geochemistry of UHP metamorphic rocks at Taohang in the Sulu terrane and its constraints on radiometric dating.;
胶南桃行超高压变质岩的氧同位素地球化学及其年代学制约
2.
Kinetics of oxygen isotope exchange between water and minerals of miarolitic alkaline granite from Nianzishan;
碾子山晶洞碱性花岗岩矿物-水氧同位素交换反应动力学
3.
Carbon and oxygen isotope geochemistry of carbonatite dykes from Bayan Obo, Nei Mongol;
白云鄂博碳酸岩墙碳氧同位素地球化学
2)  oxygen isotopes
氧同位素
1.
Through testing 45 carbonate samples collected from PermoCarboniferous caol measures of the Hedong coalfield,the distributions characteristics of carbon and oxygen isotopes in sequences are analyzed,whose feasibilities for sequence subdivision and correlation,as well as for study of relative sea level variations and late Paleozoic facies are also discussed.
系统分析了河东煤田上石炭统(C2)—下二叠统下部(P11)45个碳酸盐岩样品的碳氧同位素在层序中的分布特征,探讨了碳氧同位素应用于层序划分及对比、相对海平面变化研究及晚古生代地层沉积相研究的可能性。
2.
They are among the few minerals that show mass independent fractionation of oxygen isotopes.
硫酸盐不仅是常见矿物,还是自然界少数几个具有氧同位素非质量分馏效应的矿物之一。
3.
In order to analyse the regulation of past global changes in the low latitude and high elevation region,based on the fundamental of the high precision and high resolution thermal ionization mass spectrometry uranium(TIMS-U) series dating and the oxygen isotopes,taking a stalagmite from Qixing Cave in Guizhou Province for example,a time sequence of the paleoclimatic changes was established from 43.
为了研究过去全球变化在我国高海拔低纬度地区的变化规律,在高精度、高分辨率热电离质谱铀(TIMS-U)系定年和氧同位素基本原理的基础上,以贵州都匀七星洞一石笋为例,建立了43。
3)  hydrogen and oxygen isotope
氢、氧同位素
4)  hydrogen and oxygen isotope
氢氧同位素
1.
The hydrogen and oxygen isotope exchange kinetic and its geological significance;
氧同位素交换动力学及其地质意义
2.
The mean values from 26 samples of hydrogen and oxygen isotope compositions of diaspore in bauxite ores of Shanxi are that:8.
其 2 6个一水硬铝石的氢氧同位素平均值 :δ1 8O为 8。
3.
This paper summarizes both methods for the study of hydrogen and oxygen isotope diffusion kinetic parameters: conventional mass spectrometry analysis method with integral diffusion equation; the ion microprobe analysis method with the differential diffusion equation.
本文概述了氢氧同位素扩散交换动力学参数的两种研究方法 :1采用积分性质扩散方程的常规质谱分析方法 ;2采用微分性质扩散方程的离子探针分析方法。
5)  oxygen and hydrogen isotope
氢氧同位素
1.
Explain about the source of mine water by oxygen and hydrogen isotope composition in Fuxin coalmine area
氧同位素组成对阜新煤矿区矿井水来源的解释
2.
Utilizing hydrochemistry analysis and oxygen and hydrogen isotope analysis,integrating with hydrogeologic condition,the water environment of study area is described and reference to engineering construction is provided.
利用水化学、氢氧同位素分析,结合研究区水文地质条件,阐述了研究区水环境特征,为工程建设提供了参考依据。
6)  carbon and oxygen isotope
碳氧同位素
1.
Based on hydrochemistry,REE,carbon and oxygen isotope analyzing,possible leakage way of the Air-Cushioned Surge Chamber is studied in the Xiaotiandu power-station.
利用水化学、稀土元素和碳氧同位素的分析方法探讨了小天都电站调压室可能的渗水途径。
2.
In order to know the formation surroundings of the Ordovician dolostone that is Lower Paleozoic reservoir of natural gas in the Ordos Basin,the relationship between its genetic type and carbon and oxygen isotope is studied.
对鄂尔多斯盆地奥陶系白云岩成因类型与碳氧同位素的关系进行了研究。
3.
Based on the measurement of the formation age,and the carbon and oxygen isotope composition of calcite collected at different sites of fissures in tunnel PD?16 at a dam area,southwesten China,and combining specific hydrogeologic conditions of the dam area,authors have determined the period of karst development in the studied stream area,and paleoclimatic conditions at that tim
本文在分析采集于西南某水电站PD1 6硐壁裂缝中不同位置的方解石形成年代以及碳氧同位素的基础上 ,结合坝区具体的水文地质情况 ,确定了研究河段岩溶发育的时间及其演
补充资料:氧同位素
分子式:
CAS号:

性质:自然界中氧以16O、17O、18O三种同位素的形式存在,相对丰度分别为99.756%、0.039%、0.205%,天然物质的氧同位素组成通常用由18O/16O比值确定的方(18O)来描述,一般采用标准平均海洋水(SMOW)作为标准品。氧同位素在地球科学中广泛用于确定成岩成矿物质来源及成岩成矿温度。在生物学和医学上有广泛应用前景。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条