isotopic

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.

U-Pb and Rb-Sr isotopic age study of the Jining Group from nel Mongol of China

内蒙集宁群变质岩系U-Pb和Rb-Sr协同位素年龄的讨论

Through analyses of Pb isotopic characteristics of Jiao-Dong Group rocks, granites and gold ores, a fresh view on the source materials of the gold deposit in this area was put forward in this paper.

对比胶东西北部胶东群岩石，花岗岩及金矿矿石Pb同位素特征，对该区金矿床的物质来源问题提出了新看法。

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.

SU ( 2) invariant coupling model which based on the invariance of isotopic spin symmetry in strong interaction has been a great success in vicarious kinds of model theories that describing the strong reaction between nucleon and meson.

在描述核子（反核子）与介子（π~±，π~0）强相互作用的各种模型理论中，基于强相互作用满足同位旋对称性建立的SU（2）不变耦合模型取得很大的成功。

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.

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.

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.

Study of strontium isotopic geochemical characteristics and genesis of certain pegmatites and basic rocks in China

中国若干伟晶岩和基性侵入岩的Sr同位素特征及成因探讨

Oxygen Isotopic Exchange and Its Application in the Heterogeneous Catalytic Oxidation

氧同位素交换及其在多相催化氧化反应研究中的应用

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。

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.

Sulfur isotopic composition of seafloor hydrothermal sediment from the Jade hydrothermal field in the central Okinawa Trough and its geological significance

冲绳海槽中部Jade热液活动区中海底热液沉积物的硫同位素组成及其地质意义

Hidden granite porphyry is of volcanic neck facies and gives isotopic age of zircon being 32 ± 0.2 Ma.

潜花岗班岩为火山颈相，其锆石U-Pb同位素年龄为32±0.2Ma。

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.

The oxygen isotopic stratigraphy of core z_ ( 14_6) in Okinawa Trough

冲绳海槽Z（14）-6孔氧同位素地层学研究

National Geographic reports that isotopic dating and DNA experiments revealed the unusual pairing of body parts.

据《国家地理杂志》报道，同位素定年和DNA检测结果显示，这两具木乃伊的身体部位不寻常。

Isotopic discrimination is not likely.

同位素甄别是不可能的.

Food safety science gets its traits of integration among such sciences as iatrology, economics, environmental science, soil science and law, which will exploit the usage areas of isotopic techniques.

食品安全学科包含着多种学科的交叉，如医学、环境科学、土壤学、经济学及法学等，它将为同位素技术的应用开拓新的领域，同位素技术为食品安全科技提供新的研究方法和途径。

Isotopic Geochronology of the Ore-forming Process in the Hanshan Gold Deposit of the North Qilian Mountains

北祁连山寒山金矿床成矿作用同位素地质年代学

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.

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.

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 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.

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.

O_s isotopic compositions of seafloor massive sulfides from the Jade hydrothermal field in the Okinawa Trough

冲绳海槽Jade热液区海底块状硫化物的Os同位素组成

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.

Based on the researches of the foraminiferal fauna and the isotopic carbon-14 dating, it has been found that the stratigraphy of the El core can be divided into three phases: A. S1& S3 ( 0. 00~ 3. 34m) fall into Holocene;

依据有孔虫动物群的研究和碳同位素测年，可将E1孔的地层分成3段：S1&S3（0.00～3.34m）为全新统；

The High Precision Isotopic Measurement of Bromine by Thermal Ionization Mass Spectrometry

高精度正热电离质谱法测定Br同位素

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.