isotopic的例句大全

Review on isotopic dating in the western part of the North Qilian Mountains

北祁连山西段同位素测年概况

Research on the Calculating Ways of Double-Spike Isotopic Dating Method of Lead Isotope

铅同位素双稀释剂同位素定年法计算方法研究

However, contrary to previous views, there is no isotopic evidence that Archaean rocks are present in the Mashan Complex.

然而，与以前的认识相反，麻山杂岩不存在具有太古宙基底的同位素证据。

Sm-Nd Isotopic Age Dating on Tungsten Oxides from Precious and Nonferrous Metal Deposits and Its Geological Significance

贵重和有色金属矿床钨氧化钐-钕同位素定年研究及其地质意义

And the hydrogen and oxygen isotopic compositions heavy waters are calculated by the high-resolution mass spectrometer.

利用高分辨率质谱峰相对强度,计算了重水中的氢氧同位素组成.

It's very difficult to explain and evaluate information owing to the isotopic pollution which leads to untruth well log information.

由于存在同位素污染，造成测井资料失真，给解释评价带来困难。

U-Pb isotopic ages of 61 detrital zircon grains from the sillimanite-biotite-quartz schist of the Qinling Group in the North Qinling metamorphic terrane are reported in this paper. Of the 61 zircon grains, 15 were measured by SHRIMP ⅱ, and 46 by LA-ICPMS.

报道了北秦岭地块中秦岭岩群夕线黑云石英片岩61个碎屑锆石测点的207Pb/206Pb年龄测试结果，其中15个测点在SHRIMPⅡ上进行，46个测点来自LA-ICPMS的测定结果。

According to the variation model of Pb isotopic composition in crustal vertical section, the northern Dabie complex is beneath the southern Dabie ultrahigh-pressure metamorphic belt and the former is of the middle-lower crustal properties and the latter is of the upper crustal properties.

考虑到北部杂岩带在地壳结构上应位于南部超高压带之下，以及北大别正片麻岩具有中、下地壳性质而南大别花岗片麻岩则具有上地壳特征。

Nd and Sr isotopic geochemistry of Presinian volcanic rocks in northwestern Zhejiang Province

浙西北前震旦纪火山岩的Nd、Sr同位素地球化学

A preliminary survey of the isotopic abundance of nitrogen in materials from various sources in China

各种含氮天然物质及化学试剂的同位素分析

Maksym fedotovych guly: Evolution and isotopic sources of Ultrabasic Guly Massif (Polar Siberia).

马克西姆·费多托维奇·古利（Maksym fedotovych guly）：极地西伯利亚超基性古利岩群的演化与同位素来源。

The leaf wax of N. affinis ( Rendle) Keng f. was rarely affected by soil contribution in buried conditions, so it can reflect the early diagenetic effects on leaf wax compositions and their n-alkanes carbon isotopic compositions under buried conditions.

慈竹叶蜡在埋藏条件下很少受土壤污染，能比较客观的反映叶蜡各成分及正构烷烃同位素组成在埋藏条件下的早期成岩效应。

An In-line Multidimensional Gas Chromatography Method for the Analysis of Steam Cracking Gases Determination of Ethyl Carbamate in Alcoholic Beverages With Multidimensional Gas Chromatography/ Isotopic Dilution Mass Spectrometry

热裂解乙烯气的在线多维色谱分析用多维色谱-稳定同位素稀释质谱联用技术测定酒中氨基甲酸乙酯

Detailed petrologic, geochemical and Sr-Nd-Hf-U-Pb isotopic researches indicate that the Wuping granitic complex consist mainly of biotite granite and garnet-bearing granite with different formation age and petrogenesis.

岩石学、元素地球化学和Sr-Nd-Hf-U-Pb同位素的综合研究显示，武平花岗质杂岩体是由形成时代和成因不同的黑云母花岗岩和含石榴子石花岗岩组成。

The isotopic ratios in the basalt are restricted not only by the characteristics of the mantle providing primary magma of basalt, but also by partial melting degree of the mantle.

玄武岩同位素的比值不仅受玄武岩浆地幔源区本身的特征制约，还可能受地幔岩部分熔融程度的制约。

Nd isotopic model ages of basement rocks suggested that the crustal age of Ili plate in the north ( 1.9Ga) is younger than that of the South Tianshan ( STS) fold belt in the south ( 2.2Ga).

本区北部伊犁地块基底岩石的Nd同位素模式年龄约为1.9Ga，南部南天山褶皱带的约为2.2Ga。

Carbon and Oxygen Isotope Variations of Devonian Seawater: Isotopic Records from Brachiopod Shell

泥盆纪海水的碳、氧同位素变化&来自腕足化石的同位素记录

A dual isotopic vitamin B12 absorption test: analysis of 104 cases

双核素标记维生素B（12）吸收试验&104例测定结果分析

Uncertainty Analysis of Absolute Measurement of Isotopic Abundances and Relative Atomic Mass

同位素丰度绝对测量及相对原子质量测定中的不确定度评估

Study on trace element and sr, Nd isotopic geochemistry of Cenozoic potassic volcanic rocks in North Tibet

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