The oxygen isotope ratio of the ocean changes as a great deal of water is withdrawn from it by evaporation and is precipitated as snow to form glacial ice.
随着大量的水通过蒸发被抽离,并以雪的形式沉淀形成冰川冰,海洋中氧同位素的比率就发生了变化。
The oxygen isotope survey method of the ancient temperature;
氧同位素测量古温度方法;
They were correlated to the deep sea oxygen isotope stage 2, 6, 12 respectively.
第六套冰碛物是与深海氧同位素12阶段相对应冰期沉积的;
The oldest aeolian deposit on terrace T2 is loess L1, corresponding to oxygen isotope time MIS2.
T2阶地上覆的最老风尘沉积是黄土l1,对应氧同位素期MIS 2。
Oxygen isotope records of stalagmites from Southern China provide very important climatic information.
中国南部石笋氧同位素记录记载了重要的气候变化信息。
The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
Carbon isotopes show a pattern, but it is somewhat more difficult to interpret than the oxygen isotope pattern.
碳同位素显示的格局,但它是较为困难的解释比氧同位素模式。
Oxygen isotope variation maybe results from crystallization, degasification or hybridization of crust materials.
氧同位素的变化可能是结晶作用、去气作用或地壳物质混染所至。
The mechanism of oxygen isotope exchange between alkali feldspar and fluid is mainly dissolution reprecipitation.
碱性长石流体的氧同位素交换机制主要是溶解再沉淀。
The stable hydrogen and oxygen isotope is an environmental isotope, which extensively exists in various kinds water.
稳定性氢氧同位素是广泛存在于水中的环境同位素。
Composition of carbon and oxygen isotope indicates that origin of carbon comes from mixture of the crust and mantle.
碳、氧同位素组成指示碳来源于壳幔混合。
This generally agrees with deep sea oxygen isotope and differs by large from some climatic indexes of loess profiles.
这整体上与深海氧同位素比较接近,与黄土剖面一些指标差异较大。
The isotope tracer method presents the advanced method of carbon isotope, nitrogen isotope, oxygen isotope and Pb tracer.
同位素示踪法着重阐述了较先进的碳、氮、氧和铅同位素的示踪。
This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.
本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。
In this paper, formulas for relationship among oxygen mass spectra peak heights and for calculating oxygen isotope abundance are drived.
本文推导出氧质谱峰高之间的关系和计算氧同位素丰度的公式。
The paper for the first time reports on the analytical results of hydrogen-oxygen isotope of the hot-spring water from Fujian and Jiangxi.
本文首次报道了闽赣地区部分温泉水的氢氧同位素分析结果。
Furthermore, the background correction during the oxygen isotope ratio measurement with MAT-CH5 mass spectrometer was chosen as an example.
而且以MAT - CH_5质谱计测量氧同位素比时的本底校正作为例子。
Hydrogen and oxygen isotope data line in the vicinity of the meteoric water line, indicating meteoric water's enrollment at the late stage.
氢氧同位素数据在大气降水线附近,指示了晚阶段大气降水参与的积极影响。
Carbon and oxygen isotope compositions of some geological samples have been measured and its application to geology has been interpreted in this pa...
测定了某些地质样品的碳、氧同位素组成,并对其在地质上的应用作了解释。
Carbon and oxygen isotope compositions of some geological samples have been measured and its application to geology has been interpreted in this paper.
测定了某些地质样品的碳、氧同位素组成,并对其在地质上的应用作了解释。
Environmental records show that in that area the environment was extremely cold and wet during the interstage of the last glaciation (deep sea oxygen isotope stage 3).
环境记录显示,末次冰期间冰阶(即氧同位素3阶段)期间该区呈现出极端冷湿的气候环境。
The carbon and oxygen isotope composition and its evolution of Marine carbonate rock is commonly means to the study of the ancient climate and ancient Marine environment.
海相碳酸盐岩中的碳、氧同位素组成及其演化特征分析是古气候、古海洋环境研究的一种常用手段。
Combined with oxygen isotope testing, the analysis suggested that at least one headless millet-eater came from Eastern Europe or somewhere with access to water from high altitudes.
再加上检测同位素氧,分析表明至少有一具吃过小米的无头尸的主人,来自东欧,或者来自高海拔地区。
Oxygen isotope fractionation in amphiboles was determined by theoretical calculation using the increment method and by experimental measurement using isotope exchange technique.
利用增量方法和同位素交换技术,对角闪石族矿物的氧同位素分馏进行了理论计算和实验测定。
This article reviews geochemical kinetics of oxygen isotope exchange during fluid rock interactions, whose principles and models can also be extended to studies on other elements.
对流体-岩石相互作用过程中氧同位素变化的地球化学动力学进行了系统评述,其原理和模型也可扩展到对其他元素的研究。
With the application of hydrogen and oxygen isotopes(2H, 3H and 18O) and carbon isotope(14C), the recharge and renewability of confined water in Yinchuan Plain have been analyzed.
利用地下水氢氧同位素(2H、3H和18O)和碳同位素(14C)方法,分析银川平原承压水的补给更新能力。
In premise of full understanding geologic background, the analysis of hydrochemistry, carbon-oxygen isotope and rare earth element (REE) were made, then the results yielded as follow.
文章在充分了解地质背景的前提下,对冰凌山钙华的水化学、碳氧同位素和稀土元素作了研究分析,从而取得以下成果。
By the research of the clay mineral and climatic index of the sediment in the sedimentary rock and its temperature measured by oxygen isotope, we can get different climate information.
通过对沉积岩中沉积物的粘土矿物、气候指数、氧同位素测温等研究,获得关于气候干湿冷暖的信息。
The hydrogen and oxygen isotope compositions of single minerals and whole-rock were measured for coesite-bearing eclogite at Shima and quartz-bearing eclogite at Huangzhen in southeastern Dabie.
本文报道了大别山东南部安徽石马地区柯石英榴辉岩组合和黄镇地区石英榴辉岩组合的全岩及单矿物的氢氧同位素特征。
The hydrogen and oxygen isotope compositions of single minerals and whole-rock were measured for coesite-bearing eclogite at Shima and quartz-bearing eclogite at Huangzhen in southeastern Dabie.
本文报道了大别山东南部安徽石马地区柯石英榴辉岩组合和黄镇地区石英榴辉岩组合的全岩及单矿物的氢氧同位素特征。
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