查询词典 trace

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。

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。

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。

Based on samples collected from the profile and analysis of 20 trace elements, six regular patterns of trace element distributions can be recognized, of which Cu, Mo, As, Bi and Au are observably enriched in the upper part of kaolinitic residual zone.

测试了采集于红土型风化壳剖面不同分带样品的20种微量元素含量，微量元素可划分出6种变化模式，其中最明显的为Cu、Mo、As、Bi、Au等在高岭土风化带上部显著富集。

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。

He got into race cars, while my father liked go-karts more, so I didn't really pay attention to what Diego was doing, as I was just racing karts.

叔叔开的是跑车，而我父亲更喜欢越野卡丁车，所以我并不太关注Diego在做什么，我仅仅在跑我的卡丁车而已。

She is at present gone to look for the best nectar and ambrosia to regale me this evening.

她今晚为款待我，现在又去准备美酒佳肴去了。