isotopic单词基本解析：

adj.同位素的，合痕的
adj. 同位素的, 合痕的
adj.同位素的，合痕的；

isotopic变化用词：

isotopic英英释义：

Adjective

1. of or relating to or having the relation of an isotope

形容词 isotopic:

of or relating to or having the relation of an isotope

isotopic[ ,aisəu'tɔpik ]adj.of or relating to or having the relation of an isotope

isotopic中文词源：

isotopic用法和例句：

The isotopic signatures of most ancient limestones indicated the same process.

大多数古代石灰岩的同位素特征说明了同样的过程.

辞典例句

Isotopic discrimination is not likely.

同位素甄别是不可能的.

辞典例句

Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.

来自同位素年龄鉴定的证据指出,绿岩带在年龄上彼此变化相当大.

辞典例句

It is important to avoid the use of uranium compounds of unspecified isotopic composition.

要避免使用那种非专用的同位素成份的铀化合物.

辞典例句

Isotopic and trace elements data show that mineralizing materials are of multi - sources.

同位素及微量元素研究表明,成矿物质具有多源性.

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The isotopic abundance ratio and content are determined with isotopic mass - spectrometry.

文章用同位素质谱法测定了辐照堆元件铀的同位素丰度比和含量.

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The environmental isotopic tracer is a new technique developed in recent years.

环境同位素示踪技术是近几年新发展起来的一项新技术.

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An isotopic analysis of the grains has made that fear come true.

一项对这些颗粒的同位素分析让这种担心成真了.

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Isotopic scans demonstrate a nonfunctioning ( cold ) nodule that does not concentrate radioiodine.

同位素扫描显示无功能 ( 冷 ) 节,它不能浓集射碘.

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This change does not disturb isotopic fractionation andthethe stalagmite able to keep environment information.

转化作用不影响同位素分馏,石笋同时全面记录古气候环境信息.

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The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry.

同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法.

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This paper determined the sulfur isotopic composition of the Mianning REE deposit, Sichuan Province , China.

分析了四川冕宁大型稀土矿床硫同位素组成.

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The results agree with those by using isotopic method reported in the literature.

与文献报道的同位素方法研究结果相同.

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The catalysis of enzymes causes much more complexity for the isotopic fractionation under microbial actions.

辅酶对反应的催化作用使微生物作用造成的同位素分馏更加复杂.

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Stable isotopic method can be used effectively in the diagenetic research of deep water carbonate rocks.

稳定同位素方法可以有效地应用于深水碳酸盐岩的成岩作用研究.

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isotopic

The times of every pluton intrusion have been preliminarily defined on the basis of the isotopic age data of the Mesozoic granitoids.

2、根据中生代花岗岩的同位素年龄资料，初步厘定了各岩体的侵入时代。

isotopic system of Archean mantle;

2太古亩地幔同位素体系；

From 3.5 to 0 ka B.P. ,lake water was in an isotopic steady stage.

5~0ka B.P,湖水处于同位素稳定阶段。

Experimental Study on the Eu Isotopic Enrichment

Eu同位素浓缩的实验研究

Sr and Pb isotopic compositions are identical to or similar to some ocean island basalts and mantle plume constituent.

Nd、Sr、Pb同位素组成与洋岛玄武岩和一些地幔柱组分相同或相近。

The Pb isotopic features of the Jinshajiang ophiolitic melange display higher 208Pb/204Pb and 207Pb/204Pb ratios,implying a DUPAL anomaly,i. e. mantle signatures of Paleo-tethys.

Pb同位素研究表明，金沙江蛇绿混杂岩具有相对较高的~(208)Pb/~(204)Pb和~(207)Pb/~(204)Pb，显示了具有DUPAL异常型的特征，类似于古特提斯的地幔特征。

Dai Jinxing,Li Jian,Luo Xia,et al.Alkane carbon isotopic composition and gas source in giant gas fields of Ordos Basin[J].Acta Petrolei Sinica,2005,26(1):18-26.

[20]戴金星,李剑,罗霞,等.鄂尔多斯盆地大气田的烷烃气碳同位素组成特征及其气源对比[J].石油学报,2005,26(1):18-26.

DENG Wan-ming. 1993.Study on trace element and Sr, Nd isotopic geochemistry of Cenozoic potassic volcanic rocks in north Tibet [J].Acta Petrologica Sinica, 9(4): 379-387(in Chinese).

[4]邓万明. 1993. 青藏北部新生代钾质火山岩微量元素和 Sr, Nd 同位素地球化学研究[J].岩石学报,9(4): 379-387.

WU Fu-yuan,GE Wen-chun,SUN De-you,et al.The Sm-Nd,Rb-Sr Isotopic ages of the Archean granites in southern Jilin Province[J].Atca Petrologica Sinica,1997,13 (4):499-506.

[9]吴福元,葛文春,孙德有,等.吉林南部太古代花岗岩Sm-Nd,Rb-Sr同位素年龄测定[J].岩石学报,1997,13(4):499-506.

Zhou T X, Chen J F, Li X M, Foland K A. 40Ar/39Ar isotopic dating of intrusions from Huoshan-Shucheng syenite zone, Anhui Provience[J].Geology of Anhui, 1992, 2: 4-11.

[9]周泰禧, 陈江峰, 李学明, Foland K A. 安徽霍舒正长岩带侵入体的40Ar/39Ar法同位素地质年龄[J]. 安徽地质, 1992, 2(1): 4-11.

An isotopic analysis of the grains has made that fear come true.

一项对这些颗粒的同位素分析让这种担心成真了。

The next chance for nailing down the methane's origins may come in 2011 when the Mars Science Laboratory rover launches with the ability to measure the isotopic composition of the gas.

下一次确定甲烷来源的机会可能要等到2011年，到那时将要发射“火星科学实验室”探测器，该探测器有能力测量这种气体的同位素成分。

Different metabolic pathways represent different biochemical reactions and result in significant variations in the isotopic fractionations.

不同的微生物代谢途径代表不同的生物化学反应，造成了同位素分馏的显著差异；

The results agree with those by using isotopic method reported in the literature.

与文献报道的同位素方法研究结果相同。

The two series have different types of phenocryst, chemical composition, trace element pattern and ratio of isotopic element, but they show similar REE patterns.

两者在斑晶类型、主元素和微量元素丰度和同位素比值等方面都存在区别,但显示了相同的稀土元素分配型式。

In this study, Nd isotopic compositions and ages of detrital zircon of schists from the Haizhou Group in the southern part of the Sulu terrain are presented.

中国科学院地质与地球物理研究所岩石圈演化国家重点实验室北京;

To search a optimum condition for the isotopic measurement of boron by TIMS,uniform design and MATLAB language are applied to arrange experiments,analyze data and optimize the regression equation.

为了确定正热电离质谱法测定硼同位素时的最佳实验条件,采用均匀设计法进行实验表头设计,并用MATLAB进行数据处理和回归模型优化。

For catching the isotope of the needed concentration, it is necessary to understand the separation mechanism of the multicomponent isotopic mixture inside the cascade.

为了获得所需丰度的同位素，需要将多个分离单元联结成级联。

Dating of Sm Nd, Rb Sr isotopic systems and its dynamic singificance for the Proterozoic augen granite in Yunkai area.

云开元古宙眼球状花岗岩Sm-Nd和Rb-Sr同位素体系定年及其动力学意义

Cross CWT analysis further demonstrates nonstationary phases of the isotopic series relative to ETP at the three primary Milankovitch bands in the last 5 myr.

交叉小波分析的结果显示，过去五百万年以来，在偏心率、斜率和岁差周期上，有孔虫的氧碳同位素与地球轨道参数呈非稳定的瞬时相位关系。

You are what you drink: local water leaves an isotopic mark in your hair.

人如其饮：当地水在你的毛发中留下了同位素的印迹。

The measurement methods of uranium concentrations in irradiated fuels by isotopic dilution mass spectrometry are described.

介绍了用同位素稀释质谱法测量辐照元件铀含量的方法。

K Ar dilution and 40 Ar/ 39 Ar step heating methods have been chosen in dating the isotopic ages of the volcanic and intrusive rocks of Byers Peninsula, Livingston Island.

以K－Ar稀释法和40Ar/39Ar阶段加热法对利文斯顿岛百尔斯半岛的熔岩和次火山岩测定了同位素年龄。

I don't know, mister, how many of us got isotopic strontium in our bones in those next few days, months, and years--I never did understand all that stuff.

伙计，我不知道接下去的几天、几个月、以至几年里，多少人的骨头里有了放射性锶。 这个我一直没弄清。

But for the complex compounds, there are no clear relations between isotopic fractionation and biodegradation degrees because of the multilevel reactions of the biodegradation.

但对于复杂化合物，由于降解的多级反应，同位素分馏与降解程度间的相关性并不明显。

Title： Zircon age and Sr-Nd-Hf isotopic composition of migmatite in the eastern Tengchong block,western Yunnan.

关 键 词： 滇西地区;基底;混合岩;锆石年龄;

This chapter summarizes the fundamental aspects of MS, with reference to topics such as isotopic abundance and accurate mass and resolution.

关于题目，例如同位素的丰富和准确的群众和决定，这章总结MS 的基本的方面。

Their lead isotopic values are much higher than those of the Archean metamorphic rocks of the Sanggan group in this area, and located between the two lead growth curves of upper mantle and lower crust.

其三组铅同位素比值明显高于本区太古界桑干群变质岩，并位于上地幔和下地壳铅增长线之间。

Second, isotopic analysis of sulfate's oxygen molecules revealed that the microbes were modifying sulfate in some form but not using it directly for respiration.

其次，对硫酸盐中的氧分子所进行的同位素分析显示，这些微生物不断地将某种形式的硫酸盐进行转化，并没有直接用来呼吸；

Isotopic data for several of these rock units indicate that the methane within the inferred gas hydrate occurrences originated from both microbial and thermogenic processes.

几个岩石样品的同位素分析数据表明甲烷的出现源自微生物和热成的作用。

Isotopic ages of the cumulate xenoliths and their host dioritehave been systematically measured by means of whole rock Rb Sr isochron, K Ar and 40Ar 39Ar techniques and 8 ages are obtained.

分别用Rb Sr法、K Ar法和Ar Ar法 ,对堆晶岩捕虏体及其寄主岩全岩或单矿物进行了详细的同位素地质年代学研究 ,共获得各种年龄数据8件。

The reason of low amplitude anomalous display of injectivity profile isotopic curves is analyzed, the method for interpreting the data of low amplitude anomaly of the isotopic curves is discussed .

分析了吸水剖面同位素曲线低幅度异常显示的形成原因,探讨了针对同位素曲线低幅度异常的资料解释方法。

Substantial changes consist in the transfer of Wutaian into Archaean and the alteration of lower limit of Changchengian system from 1850 to 1700 Ma, both based on new interpretation of isotopic dating.

划分中的重要改变是根据新的年龄值数据将五台群归入太古代,将长城系底界改为1700Ma;

Isotopic Fractionation Effect in Primary Migration

初次运移中的同位素分馏效应

Nitrogen isotopic technique was used to study the situation and seasonal change of nitrogen pollution in inflowing rivers and an outflowing river of Hongfeng Lake in this paper.

利用氮同位素技术对贵州红枫湖各输入、输出河流氮污染状况和季节性变化规律进行了研究,并通过对输入河流和输出河流的氮对比,探讨红枫湖的氮负荷变化。

By using hydrogeochemical and isotopic methods, the origin of the geothermal watr and the CO2 gas were discussed.

利用水文地球化学方法、同位素分析方法等，对地下热水和二氧化碳气体的成因进行了分析；

The geologic dating methods, which include the paleontology method, archeomagnetism method, and isotopic method, present absolute ages or relative ages of geologic events.

前人已建立的地质定年方法(同位素法、古生物法和古地磁法)给出的是地质事件的“绝对年龄”或“相对年代”。

Sulfiir isotopic coniposition of the deposits in the eastern beltis higher than zero, suggestizig the derivation of sulfiir mainly from thegranitoids.

前者是由不同来源的硫的混合引起的，后者则可归因于主要硫源的差异。

The Secondary Ion Mass Spectrometer (SIMS). especially dynamic SIMS. is the most suitable instrument for particle isotopic analysis.

动态型二次离子质谱(SIMS)是进行微粒同位素分析最适用的测量仪器之一。

The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.

半衰期放射性样品的原子核经历一半放射性衰变所需要的时间

Even with the use of isotopic time series the problem of crossdating is still severe, given the nature of locally absent banding that is often severe in many tropical trees.

即使借助于同位素时序分析，但考虑到许多热带树木没有年轮的这一特点很普遍，交叉定年的问题仍然很难解决。

Another mystery is the isotopic composition of xenon found in minerals from the Oklo uranium deposit in Gabon, Africa.

另一个令人费解的问题就是在非洲加蓬的奥克洛铀矿床的矿物中所发现的氙同位素组成。

Thus isotopic analysis of gas could be used to identify the continuity of reservoir,define faults and derive more accurately reservoir description.

可确定油气水界面和压力系统，使断块划分更加准确，进一步完善断块图，进行油藏精细描述；

Isotopic and trace elements data show that mineralizing materials are of multi-sources.

同位素及微量元素研究表明，成矿物质具有多源性。

Isotopic Geochemistry and Geochronology Techniques

同位素地球化学和同位素地质年代学

Isotopic geochronology and geochemistry II.

同位素地质年代学与地球化学2。

Isotopic datings indicate that their igneous protoliths are of Late Proterozoic ages and experienced tectonic events at Caledonian and Indosinian like the surrounding UHP eclogites and gneisses.

同位素年代学研究指示,它们经历过加里东期和印支期构造热事件的影响,与区域超高压岩石经受的构造热事件时间一致;

Two periods of high-pressure metamorphic belts, which have been dated 335.5 Ma and 440-460 Ma seperately by isotopic methods, have been discovered in the mid Cambrian and low-middle Ordovician strata.

同位素年龄分别为335.5 Ma和440-460 Ma的两期高压变质带赋存于中寒武统和下中奥陶统中。

Isotopic scans demonstrate a nonfunctioning (cold) nodule that does not concentrate radioiodine.

同位素扫描显示无功能（冷）节，它不能浓集射碘。

The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry.

同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法。

isotopic actibation cross section

同位素激活截面

Isotopic discrimination is not likely.

同位素甄别是不可能的。

How could such a change in isotopic composition have come about?

同位素的组成有这样的变化，究竟是如何发生的？

Isotopic tracer technique reason and appliance

同位素示踪原理及其应用技术

application of isotopic tracer in life science

同位素示踪在生命科学中的应用

Then the isospin effect of the isotopic distribution produced in the fragmentation reaction was investigated via the modified statistical abrasion-ablation model.

同时用统计擦碎模型探讨了碎裂反应产生的同位素分布的同位旋效应。

It is located in the west fl ank of the Panxi rift, but the REE mineralization was developed in the postrift stage based on the isotopic ages and the geological environment.

四川牦牛坪矿床是世界上最大的稀土矿床之一,该矿床位于攀西裂谷西缘,同位素年龄表明稀土矿化发育于裂谷期后阶段。

Volumetric proportion of each component in a mixed gas can be determined by isotopic carbon composition in laboratory.

因此,根据混合气和被混合气的碳同位素丰度可确定出各种被混合气的比例。

Therefore, development of isotopic analytical techniques is always a major task of study on isotopic geochemistry.

因此发展同位素测试技术始终是同位素地球化学研究的一个主要方面。

Isotopic analyses and REE patterns indicate that the basic volcanic rock is the gold source bed.

因此，该矿床可称之为剪切带蚀变岩型金矿床，具有一定的找矿潜力。

After understanding the reasons that cause isotopic discrepancy;then we can further interpret the information and the meaning of environmental change.

在了解造成此差异之原因后，进而帮助我们解释环境变迁的讯息及意涵。

Under the guidance and organization of IAEA and associate organization,quite a number of scientists have taken active part in this task,and a series of isotopic reference materials have been established and widely used.

在国际原子能机构等国际组织的组织和指导下 ,许多研究人员积极参与 ,逐步建立了一批应用广泛的同位素参考物质。

Isotopic Analysis of Groundwater Samples

地下水样分析

Isotopic studies from geothermal fields indicate that about 95% of the thermal fluid from steam wells is meteoric in origin.

地热田油同位素研究证明：蒸气井热流体的95%左右是大气降水成因的。

Geochron Laboratories was the first laboratory to provide high quality isotopic analyses to geological and archaeological communities on a comercial basis.

地质年代实验室是首家商务运作的、可为地质学和考古学团体提供高质量的同位素分析的实验室。

Measurement of geologic time,as through isotopic radioactive decay.

地质年代测定是通过放射性同位素衰变来测定的。

Measurement of geologic time, as through isotopic radioactive decay.

地质年代测定通过放射性同位素衰变来测定地质年代

oxygen and carbon isotopic compositions of shells

壳体O、C稳定同位素组成

Multi-group lattice code WIMS-AECL has strong modeling capability for clustergeometry and isotopic composition, so it has been used for the design and analysis ofthe advanced CANDU reactors (ACR).

多群栅元程序WIMS-AECL对棒束几何结构和材料成分具有很强的建模能力,被指定用于先进CANDU堆(ACR)的设计和分析。

The isotopic signatures of most ancient limestones indicated the same process.

大多数古代石灰岩的同位素特征说明了同样的过程。

The study is focused on the characteristics of mineralogy, chemistry and isotopic compositions of aerosols.Mathematical statistics is applied to distinguish and explain the sources of aerosols.

大气物源研究主要集中在颗粒物矿物学特征、化学成分及同位素组成等几个方面，并用数理统计方法建立起两者的相关关系，据此判别和解释大气污染物的来源。

The Giant Impact Theory explains many aspects of lunar geology including the size of the Moon's core and the density and isotopic composition of moon rocks.

大碰撞假说能够解释月质学的许多方面内容，包括月球核心的大小、密度、月岩的同位素组分等。

Isotopic geochemistry of granitic rocks from Tuomuer Peak region, Tianshan, China.

天山托木尔峰花岗质岩石的同位素地球化学特征。

Had the Oklo deposit remained a closed system, the xenon accumulated during operation of its natural reactors would have preserved the normal isotopic composition produced by fission.

如果欧克陆矿床一直保持为封闭系统，其天然核反应堆运作时所累积的氙，会维持著与一般核分裂产物相同的同位素组成。

ISOTOPIC COMPOSITION OF WATER IN NINGXIA ICE

宁夏冰块的水同位素组成

This zone consists of basalt, diabase and other basic intrusive rock, and the isotopic age is between 259 Ma and 292 Ma.

它们的同位素年代为（259±09）Ma-（292。0±0.5）Ma。

Some scholars consider that “isotopic reversals”can result from the mixture of two kinds of biogenic natural gas with “normal distribution” in carbon isotope.

对于前者而言，作为混合的两个端元天然气，它们必须具有不同的成因或来源，或它们是明显不同的演化阶段的产物。

The calculation and calibration problems we meeted while using isotopic instruments to measure the thickness are probed into in application theoretically and practically.

对同位素仪表在厚度测量中所遇到的计算与标定问题做了理论与实际应用方面的探讨。

Osmium isotopes in the natural isotopic mixture are separation by gas centrifuge technology.

对天然锇同位素进行了离心分离。

The Understanding and Use of Rock Isotopic Age

岩石同位素年龄的理解与使用

用作形容词(adj.)

How could such a change in isotopic composition have come about?
同位素的组成有这样的变化，究竟是如何发生的？

Conversely,the isotopic characteristics will be well explained by assuming that the UHPM occurred in the crust instead in the upper mantle.
相反，如果认为大别山超高压变质岩就在地壳内形成，则大别山超高压变质岩同位素的所有特征就很好解释了。

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