查询词典 isotopic

In the paper, the House holder transform is applied to calculate the Pu isotopic homogeneous, and the track method is adopted to calculate speed of ball milling.

本文采用Householder 变换法对MOX燃料混料过程中Pu同位素均一化问题进行优化计算，并用轨迹求解法对球磨中的转速问题进行了初步探

Studies of Sr, Nd and Pb isotopes of various stratigraphic units, granite plutons and fluorite ores indicate that the metallogenic materials of fluorite were derived from multiple sources, and the isotopic composition of fluorite is characterized by crust_mantle mixed sources.

各地层单元、花岗岩体和萤石矿石的Sr、Nd、Pb同位素研究表明，萤石的放射性同位素组成具有壳、幔源混合的特点，成矿物质来源具有多源性。

Important significance of regional tectonic regime to metallogenic capacity of Indosinian and Early Yanshanian granites in southeastern Hunan:A case study of Qianlishan and Wangxianling plutons;2. Yanshanian movement and conversion of tectonic regime s in East Asia;3. The Sm-Nd isotopic results indicate that the Archean tectonic regime and crust growth in Northern China Platform can be divided into two stages.

Sm－Nd同位素研究结果显示，华北地台太古宙构造体制与地壳生长可分为二个发展阶段：2800Ma以前，地壳以幔源物质垂向增生为主；进入2800Ma以后，地壳物质开始进入地幔，并以水平运动为主要构造体制，反映板块构造机制在太古宙晚期地质演化中具有十分重要的作用。

5 Ma. These isotopic data provide important evidence for solving the problem of whether there occurred Caledonian mineralization and further support the view that pegmatites and pegmatite rare metal-muscovite deposits in the Altay area were not only formed in the Hercynian.

本次工作通过野外调查和同位素年代学研究，首次在阿尔泰西部的也拉曼大型含绿柱石白云母矿床(426±13Ma)、阿尔泰中部的那森恰大型含绿柱石白云母矿床(447.7±0.4Ma)及阿尔泰东部的青河拜兴白云母伟晶岩脉(436.0±0.5Ma)中获得了可靠的加里东期成矿的同位素年代证据，从而为解决是否存在加里东期成矿的问题提供了重要依据，并进一步认识到阿尔泰地区的伟晶岩及伟晶岩型稀有金属-白云母矿床并非只形成于海西期。

Carbonate rocks are susceptible to later recrystallization during deep burial, and can isotopically re-equilibrate with higher-temperature fluids depending upon the water/rock ratios and the isotopic composition of the fluids.

碳酸盐岩在深埋过程中很容易被后期的重结晶作用影响，并且在高温流体的加入时发生同位素的分馏，这种分馏与水/岩比率以及流体同位素的组成相关。

The first part of this research is to detect the mutation of hMR-1 gene by using non-isotopic polymerase reaction-based single-strand conformation polymorphism.

初步研究表明该蛋白是一种膜蛋白，这种膜蛋白与肌肉收缩调控以及细胞信息传导和凋亡过程相关。

The Sr isotopic growth periodicity is relates to the annual variation of Sr isotope in the surface layer of sea-water.

锶同位素的周期性主要是由于附近大陆年周期性降雨量的变化所引起的，它不受生物生长作用的影响。

The hydrogen isotopic composition of heavy hydrocarbon of natural gas is closely related with the sedimentary environments of source rocks.

即随着烃类碳数的增加而富集重同位素。同时天然气重烃的氢同位素组成也主要与源岩的沉积环境有关。

The rare gas isotopic ratio in the fluid inclusions of the samples is determined, and the influence caused by all kinds of latter processes from the measured data is ruled out.

测试样品流体包裹体中的稀有气体同位素值，从测试值中排除掉包裹体形成后各种后生过程对流体初始同位素组成的影响。

Available good quality age dates and zircon Hf isotopic data suggest that the northern parts of the Gangdese experienced a zonal magmatic flareup with strong input of mantlederived materials at ~110 Ma.

已有高质量年龄数据和锆石Hf同位素指示冈底斯带中北部地区在大约110 Ma发生了带状岩浆大爆发并伴随着幔源物质显著增加。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。