查询词典 trace element

The separation and enrichment of trace tin and trace germanium was researched in this paper.

本文主要阐述的是微量锡与微量锗分离与富集的研究。

After cloud Milky Way et al. do obeisance into his hanger-on, that kind constrains the strength is pulled out by a faint trace leaves, that steadfast belief also in a faint trace vacillation.

在云天河等人拜入他门下后，那种压抑的力量被一丝丝抽离，那种坚定不移的信仰也在一丝丝动摇。

But only a trace of transition metal ions incorporate into the framework of zeolites may provide very interesting catalytic property. Therefore the characterization of a trace of heteroatom in zeolite is very important.

然而，即使很少量的杂原子进入到沸石骨架内就会引起催化性质的较大变化，因此微量杂原子的表征也十分重要。

Powder sets of needles hidden in the trace lines needle, needle and the needle remaining trace comparison revealed.

擞和针在绣欣赏品上多用来绣树干和石头。11、擞和针：针法组织与散套大同小异，不同的是散套针线条重叠，擞和针线条平铺。

The Third Chapter: the Development Trace of Comparative Advantage Strategy of "Asian Four Tigers" This chapter expounds the development trace of comparative advantage strategy of "Asian Four Tigers" from 1960's to the incipience of 21st century on theoretical base of two former chapters.

第二章：比较优势战略的适用性该章围绕第一章对比较优势战略所存在的争议进行深入分析，其主要内容包括比较优势与竞争优势、"比较优势陷阱"、比较优势与动态比较优势三个部分。

Moreover,no difference was observed between trace elements added and not added into the medium,which proved that the trace elements contained in Jerusalem artichoke tubers are sufficient for 2,3-BD production.On the basis of the results,separate hydrolysis and fermentation and simultaneous saccharification and fermentation were performed,respectively.

通过摇瓶发酵实验考察了不同底物、不同水解方式以及微量元素对发酵的影响，结果表明，菊芋是良好的发酵生产2，3-丁二醇的底物，采用酸水解或酶水解两种方式制得的糖液发酵效果基本一致，菊芋中含有的微量元素完全能够满足发酵的需要，发酵过程中无需添加微量元素。

Presently, the main contents for microchemistry study in cephalopod statolith are composed of inorganic and organic molecules, minor and trace elements, isotope as well as microchemical markers. Minor and trace elements were the important part among the application, which played an important role in discriminating different populations, analyzing life history and reconstructing inhabited environment condition.

目前头足类耳石微化学的研究内容主要包括无机和有机大分子、微量元素、同位素、微化学标记等方面，其中微量元素是应用研究的重点，在头足类种群识别、生活史分析及栖息环境重建等方面发挥了重要作用。

This project is to analyze the distribution of the light in the high-power laser system, it bases on principles of ray optical, use the paraxial ray trace and real ray trace , proposes a new data structure and way to simulate the light in the optical system in the computer.

本课题就是以含衍射元件的大功率激光装置中由于多次残余反射形成的鬼像为研究对象，从光线光学的基本原理出发，应用近轴光线与空间光线追迹相结合的技术路线，提出一种新型的分析方法和数据结构，开发出用于含衍射元件的高功率激光系统杂散光分析的软件。

Studies on mineralogy, isotope and trace elemental geochemistry of the pegmatite will make it possible to reveal the principals of petrogenesis and evolution of pegmatite, and the geochemical behaviors of rare-earth elements and other trace elements in magmatic-hydrothermal transition stage.

由于LCT型伟晶岩具有明显的分带性、矿物颗粒大小不均匀性等特点，因此利用全岩样品研究伟晶岩往往因取样没有代表性而被大多数岩石学家和地球化学家所否定。

There may be a lack of trace elements, especially zinc, the main manifestation is pica, eating some things can not eat, such as mud, cinder and so on, there may be hyperactivity, inattention, and can go to the hospital so Determination of trace elements.

另外可能是缺少微量元素，尤其是锌，主要的表现就是异食癖，吃一些不可以食用的东西，如泥土，煤渣等等，还有可能多动，注意力不集中等，可以去医院做个微量元素测定。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。