查询词典 heavy-headed

5 Years heavy industrial tools sales experience, with large acct development and or large project sales background.

协助上海地区销售经理领导上海地区销售团队完成上海地区工具类产品销售目标。

Scientists are accumulating evidence of the effects of heavy metals in the environment .

科学家正在积累有关重金属污染物对环境的影响和危害的证据。

But those with only one copy can develop a tolerance to acetaldehyde and become heavy drinkers.

而那些携带一个拷贝数的人却可以耐受乙醛，从而大量饮酒。

The solid state ternary coordination compouds of heavy rare earth with acetylsalicylic acid and O-phenanthroline have been synthesized.

通过元素分析，确定了三元配合物的组成为RE3·Phen；考察了三元配合物的红外光谱、热稳定性、紫外光谱和溶解性

Effects of heavy metals on microbial biomass and activity in subtropical paddy soil contaminated by acid mine drainage .

等。 酸性矿山废水污染的水稻田土壤中重金属的微生物学效应。

Because acid rain can transport excessive hydrogen ion into the soil, then cause decrease of pH value and cation saturation, accelerate acidify of soil, therefore, it is significant to study the ecological effects of combined pollution for heavy metals under intimidation of acid rain in the regions where acid rain often take place.

土壤吸附-解吸试验的土壤按照既定方案处理后，在25±1℃，土壤水分20％左右条件下培养2个月，待重金属元素与土壤的反应基本稳定后制样进行等温吸附—解吸试验，研究紫色土在单一及复合条件下镉、锌的吸附特征和酸雨胁迫下的解吸特征以及此条件下吸附一解吸与镉、锌生物有效性的关系。

We have used GC to follow up the formation of epoxy acid and established the acidify condition; we have done series of parallel experiments to better the pivotal condensation reaction between acid and amine; In the cyclization step, we use cheap and available reagent-Lithium amide , rather than expensive LiHMDS, to proceed the reaction; and at last, we introduced green reagent-ozone to clear the phenyl group of nitrogen to avoid using heavy metal reagent-CAN. The total yield for this method is 29.8%.

通过GC监测，确定环氧酸的最佳酸化条件；对关键的酸和胺的缩合步骤，平行试验了多种条件；在环合一步，用价廉易得的氨基锂及催化量的HMDS代替昂贵的LiHMDS进行反应；氮上苯基的脱除采用臭氧，避免了重金属试剂-硝酸铈铵的使用，总收率为29.8％。

Up until now , our company have scale heavy, variety the whole, excellent in quality,technical equipment person who lead advantag among the same trade both at home and abroad,collect the chemical pottery and study, design, produce,sell for the integrative specialized company ,have annual output production scale of 25000 tons of serial products of acidproof porcelain of various kinds of industry.

迄今为止，我公司在国内国际同行业中具有规模大、品种全、质量优、技术装备领先等优势，是集化工陶瓷研究、设计、生产、销售为一体的专业公司，具有年产各种工业耐酸瓷系列产品25000吨的生产规模。

All are radioactive heavy metals; and only the first four (actinium, thorium, protactinium, and uranium) occur in nature in appreciable quantities. The other 11 are unstable and are produced only artificially.

这些元素都是具有放射性的重金属；仅前四个元素是在自然界中存在的，其余十一个都不稳定且均为人造的。

This electric motor is working in full under the action of heavy current.

在强电流的作用下，这台电机正以满荷运行。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。