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The results showed that the trace elements were not anomalously enriched. Zn and Cu existed in sphalerite. Cr, Pb and Cd were adsorbed by clay minerals. Ba might exist in ankerite and calcite. Ni, Mo, Co and As mainly existed in pyrite. Be and Se were combined with organics. Many trace elements were difficult to volatilize. Because of high content and volatility, Pb and Zn, are harmful to environments; Zn and Pb separately exist in sphalerite and clay minerals, so it is easy to reduce their environmental damage by washing and processing of coal.

结果表明：研究的元素没有异常富集；Zn和Cu赋存于闪锌矿中，Cr、Pb和Cd被粘土矿物吸附，Ba可能赋存于铁白云石和方解石中，Ni、Mo、Co和As主要赋存于黄铁矿中，Be和Se以有机结合态存在；研究的元素大多不易挥发，但Zn和Pb易挥发，且含量较高，环境危害较大，Zn和Pb分别赋存于闪锌矿和粘土矿物中，可通过洗选脱除减小其危害。

This clearly indicates that the negative value of dρ/dT in CdYb QCs is mainly due to the quasiperiodicity because these QCs are stoichiomeric compounds with a very narrow single phase range. Positive dρ/dT and anomalously large MR reported previously are found to be due to the existence of free Cd in the samples.

这清楚地显示CdYb准晶的负电阻温度系数是由於准周期导致，因为CdYb准晶是一种单一相范围极窄的当量化合物，以前的研究说其具有正的dρ/dT和异常巨大的磁阻是由於样品中含有金属Cd。

Hydroponics experiments was conducted to study the effect of Cd(superscript 2+) treatment (0, 0.01, 0.10, 0.50, 1.00 mmol/L respectively) on plant growth and some physiological and ecological identities of peanut Arachis hypogea L.

通过溶液培养，研究不同浓度镉Cd(上标 2+，0~1.00mmol/L对花生幼苗生长及生理生态特性的影响。

For the production of Omron Elite Massage Apparatus; for the Japanese trading company loyalty Archaize CD production machines, mobile phone signal shielding and sound and other multimedia.

为亿利达生产欧姆龙按摩仪；为日本忠诚贸易公司生产仿古CD机、手机信号屏蔽器和多媒体音响等。

You can also save your own Websites to CD for archive, review and distribution.

你能够也保存你的自己的对用于档案，审核和分发的 CD 的网站。

It lets you to burn audio CD from mp3, wma, wmv, asf files.

它可以让你刻录音乐CD从支持MP3 ， WMA ，视频， asf档案。

I can buy this CD at a low price.

我能以低价买这张 CD 。

The determination of trace cadmium in the sample of environment by flame atomic absorption spectrometry after separation and preconcentration by Cd-ion imprinted polymers has been developed.

研究了在Cd 离子印迹聚合物分离富集后，用火焰原子吸收分光光度法测定水中痕量镉的方法。

Were you able to convert your audio cassette tapes to CD or get them onto your computer?

你可以转换你的音频磁带到CD或让他们到你的计算机吗？

Each unit is supported by audio material in range of accents, available on audio CD or cassette.

每个单位的支持，音频素材，在一系列的口音，可在音频CD或录音带。

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。