查询词典 trace elements

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。

The appearance of the specific levirate custom existing in the Hun and the Hsienpei Tungusic in Han and Wei dynasties is the inevitable results of the laws of geographical environment and social development. Living in the high latitudes and dry cold inland areas, plus being heavily short of virtual zinc, a trace element in soil, lead to a high death rate of child-bearing age women. In order to guarantee a normal birth-rate, the Hun and Hsienpei Tungusic had to adopt levirate to ensure healthy child-bearing age women to give birth to offspring as many as they can.2 Trace element in soil under geographical environment and the cultural process of Huang-huai-hai Plain(the Yellow River, Huai River and Hai River ) in historical period.

本文具体的研究涉及三个问题：地理环境下的土壤微量元素与匈奴、鲜卑的"收继婚"问题：我认为汉魏时期匈奴和鲜卑族中特有的"收继婚"俗的产生，是地理环境和社会发展规律相互作用的必然产物；由于匈奴、鲜卑所处纬度高、气候干燥而寒冷的内陆地区，加之土壤微量元素中严重缺乏有效锌，因而造成了育龄妇女的大量死亡，以致为了保证正常的种的繁衍，匈奴和鲜卑不得不采取"收继婚"的婚姻形式，来确保健康的育龄妇女尽可能的去生育后代。

The trace element characteristics of entire otolith and the thermoluminescence characteristic can also be used to appraise the quality of water. Moreover, the trace element characteristics of otolith increments may be take a sign to dynamicly monitor the quality of lake.

通过耳石的全耳石元素特征和热发光特征可以对水质进行评价，而耳石的不同生长环带中的元素特征可以作为湖泊动态监测的一个标型。

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。

It is: the sealed ring circles the active circuit area; at least one corner area of the integrate circuit includes several corner bar group; each directed corner bar group is about the prearrange angle, extends form the first slicing trace to the second slicing trace.

密封环环绕有源电路区域。集成电路的至少一个拐角区域包括多个拐角条组。所述多个拐角条组的每个被定向在大约预定角度，并且从第一切片迹线向第二切片迹线延伸。

Trace interpolation plays an important role in seismic data processing. Spatial aliasing is a principal troublesome problem in seismic trace interpolation.

道间插值方法在地震资料处理中具有十分重要的作用，而地震道空间内插所面临的主要问题是空间假频。

In main stress trace protraction , based on the character of main stress trace , propose an automatic method

研究了一种简便快速的主应力迹线自动化绘制方法。

A simple and highly sensitive new kinetic catalytic fluorimetric method was proposed for the determination of trace chromium,based on the catalytic effect of trace amounts of chromium on the oxidation of Pyronine Y by hydrogen peroxide in acetic acid-sodium acetate buffer medium leading to a decrease in the fluorescence intensity.

在HAc-NaAc缓冲体系中，痕量铬对过氧化氢氧化吡咯红 Y的氧化还原反应有催化作用，使吡咯红 Y荧光减弱，据此建立了催化荧光法测定痕量铬的新方法，同时考察了该催化反应的最优条件及动力学性质。

The correlation among different trace element of one stalagmite can reflect whether the factors which control trace element change are the same.

4同一石笋不同元素比值之间的相关性可以反映控制元素比值的因素是否相同。

Huang Yan abandons the Chinese "xuan " paper which scholars usually use,he uses his body as the carrier to paint landscape paintings ,so that he can experience his endurance of the traditional spirit of mountains and waters, which reveals that there is no traditional trace on contemporary artists, and also hints the surface graphic implication and temporariness of this kind of trace .

既透露出当代艺术家身上无可藏匿的传统印迹，又暗喻着这种印迹的表面图解意义和临时性。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。