查询词典 a trace

A method is presented for the valence state analysis of trace gold in natural...

为天然水中痕量金的价态分析提供了一个令人满意的方法。

Leaf trace A vascular bundle or group of vascular bundles connecting the vascular system of leaf and stem.

叶迹：连接茎和叶的一个或一组维管束。

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

Dongming Trace Environmental Technology Co., Ltd., as the son is a commitment to the human eye can visual environmental pollution control and improvement, research and development, as the environmental protection technology, technical advice, technology transfer, technical services, production of high-tech companies, the company statutoryìrepresentative, the total number of 14 enterprises, scientific research personnel 7, accounting for 50% of the total number of employees, our company registered capital of 500,000 yuan, 10,000,000 yuan of liquidity.

东明微量子视环境科技有限公司是一家致力于人眼所及的视觉环境污染治理和改善，研究和开发视环境保护技术、技术咨询、技术转让、技术服务、产品生产的高科技公司，公司法定代表人宋庆春，企业职工总数14人，科研人员7人，占职工总数的50％，我公司注册资金50万元人民币，流动资金1000万元人民币。

Any trace of a volcanic eruption here.

一点儿火山喷发的感觉都没有啊。

When cool, take a pencil and trace the shape of your cake onto wax paper.

当冷静，采取一支铅笔和微量元素的形状您的蛋糕上蜡纸。

In this way, solidified in the summer sky smile, a long time ...... the wind did not disperse to shake off the last trace of smile, the summer, very much like the smoke, like an end.

就这样，夏天的微笑凝固在天际，久久没有散去……风挥去最后一丝笑意，这个夏季，便像炊烟一样结束了。

In fact there are a large number of species that simply vanished without trace.

事实上，有大量的物种消失了，根本无迹。

Rice bran wax to fatty acids and senior wax mainly composed of alcohol, fatty acids are palmitic acid (C16), Gan II acid (C22), wood wax acid (C24), wax acid [26 acid] (C26) and other major components of wax alcohols have wax alcohol (C26), different serine alcohol wax, beeswax alcohol (C30), etc.; also contains alcohol to beeswax (C30), wax alcohol, alcohol wax for different serine The main constituents of unsaponifiable matter and a number of free acid mainly palmitic acid is brown, trace of alcohols, 30, such as carbon six elemene liposome.

米糠蜡以脂肪酸和高级蜡醇为主要成分，脂肪酸中有棕榈酸（C16）、甘二烷酸（C22）、木蜡酸（C24）、蜡酸（C26）等主要蜡醇成分中有蜡醇（C26）、异丝氨酸蜡醇、蜂蜡醇（C30）等；另外还含有以蜂蜡醇（C30）、蜡醇、异丝氨酸蜡醇为主要成分的不皂化物及若干游离酸（主要是棕是棕榈酸、微量醇类、三十碳六烯脂质等。

A new catalytic kinetic spectrophotometric method for the indirect determination of trace sulfide has been studied. The method was based on the inhibition of sulfide on the iron catalyzed oxidation of xylenol orange by hydrogen peroxide in NH3 medium.

在氨水介质中，硫离子可阻抑Fe催化过氧化氢氧化二甲酚橙褪色，并且催化体系和阻抑体系在570nm处吸光度的差值与硫离子浓度呈线性关系，据此建立了阻抑动力学光度法间接测定痕量硫离子的新方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。