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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。
- Being a noble gas, it resists chemical bonding with other elements and is thus easy to purify for isotopic analysis. 由于氙是惰性的,不易与其他元素产生化学键,因此很容易纯化以进行同位素分析。
- According to one of the isotopic analysis of metal strontium, they sure this is from Mars. 根据其中金属锶的同位素分析,他们肯定这是来自火星的物质。
- The progress of the isotopic analysis in four kinds of sulfonylurea herbicide residues was reviewed in this paper. 本文综述了利用同位素示踪技术对4种磺酰脲类除草剂的残留分析进展。
- 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。
- 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;
- As a versatile example, the feasibility of this scheme applied to lutetium isotopic analysis by Laser Resonance ionization Spectrometry (LRIMS) was discussed. 并以镥原子共振电离为例,探讨了该方案用于激光共振电离质谱(LRIMS)同位素分析的可行性。
- 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;
- The results show that this scheme is infeasible for isotopic analysis utilizing broad-band lasers by LRIMS because the Rabi frequency between transition levels can not match well in the presence of hyperfine structures. 结果表明:由于超精细结构能级激励拉比频率很难满足匹配条件;该方案很难用于宽带激光激励电离LRIMS同位素分析中.
- This article discussed the fracture genesis and control factors of fracture based on the data of exploration,mechanical experiment and isotopic analysis of infilling matters in fracture. 本文根据咸水泉油田的实际勘探资料,结合室内力学实验和裂缝充填物的稳定同位素分析成果,对研究区裂缝的特征、成因及其控制因素进行了讨论。
- 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。
- 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。
- Isotopic Analysis of Groundwater Samples 地下水样分析
- The results of groundwater isotope analysis show that the groundwater in the Yinchuan Plain has different recharge patterns. 摘要地下水同位素特征表明银川平原地下水具有不同的补给模式。
- According to the resul ts of carbon and helium isotopic analyses and gas component analysis,it is thoug ht that the natural gas produced in the region belongs to a typical biogenic met hane gas. 根据碳同位素与氦同位素以及气组成分析,表明该区所产天然气为典型的生物甲烷气。
- This text summarized the advancement of the use of isotope analysis of herbicide remainder. 本文综述了利用同位素示踪技术对除草剂的残留分析进展。
- Abstract The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis. 摘要 同位素分馏效应是影响氢同位素准确分析的主要因素。
- The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis. 同位素分馏效应是影响氢同位素准确分析的主要因素。
- stable nitrogen isotopic analysis 稳定氮同位素分析
- By means of the electric probe and stable isotope analysis, the evolution models of diagenesis in Carboniferous System are set up. 通过对储层的电子探针、同位素等特征研究,建立了石炭系的成岩演化模式。