查询词典 Zn

The ligand was used to prepare for a series of its transition metal complexes by the replacement reaction with metal salts.

并用该杂原子大环配体与过渡金属的盐进行置换反应，合成了相应金属：Ni、Cu、Co、Zn和Cd的大环配合物。

Monthly dynamic of the average content of total Zn showed a "V" type curve in the growing season from May to August, and July was the nadir.

全锌各月平均含量变化在生长季呈&V&型曲线，7月含量最低；有效锌平均含量从5-8月与全锌相似，8月后则逐渐减少。

And some compositae plants which can be used as vegetable and feeds stuff were also determined in term of crud protein, crud fiber, nitrogen-free extent, crude ash and vitamin C.

结果如下：（1）热带菊科植物中大量、微量元素含量丰富：49种菊科植物样品中超过高等植物植株N、P、K、Ca、Mg、S平均含量的分别占80%、90%、94%、100%、92%和100%；超过高等植物植株B、Cu、Fe、Mn、Mo、Zn平均含量的分别占84%、94%、98%、94%、98%和100%。

The property of Ba/Zn liquid complex heat stabilizer doped with larium isooctoate was studied.By using the electronic property of La 3+ to synergise with barium isooctoate and zinc isooctoate,both the short term and long term stabilities of the complex stabilizer were improved,which was of benefit to the improvement of the processability and weather resistance of PVC.

研究了异辛酸镧掺杂钡锌液体复合热稳定体系的性能；利用La3+的电子性与异辛酸钡、异辛酸锌进行协同作用，提高了复合液体热稳定剂的初期及长期稳定性，改善了聚氯乙烯的加工性能及耐候性；通过热烘法、刚果红法、热重分析及紫外光谱考查了稀土含量、复配助剂对镧/钡/锌三元体系热稳定性的影响。

The present paper reports a determination of copper and zinc in skulls (10 adult stulls and 15 newborn skulls) in Xi'an area by atomic absorption spectrophotometry.

本文系用原子吸收光谱法测定了西安地区10例成人尸体和15例新生儿尸体的颅盖骨内Cu和zn的含量。

In this paper the ore-forming mechanism of the Sn-Zn deposit is...

此外，还探讨锡、锌矿的成矿机理。

Being high in Li, Be, Mo, Ga, Rb and Cd contents and low in Cu, Pb and Zn contents in sinters of gold mineralization can be used as an indicator for further prospecting.

地表热泉沉积物主要是硅华和钙华及其过渡类型，大多数是硅华和钙华的混合堆积物。

We aim to investigate the effect of adding t-butyl groups substituents to unsymmetrical Zn-Porphyrins used for the preparation of dye sensitised solar cells.

本论文研究之紫质的分子结构与自然界中参与光合作用的叶绿素相近，其衍生物具有相当优异的光电转换特性，因此近年来人工紫质在染料敏化太阳能电池的研究中扮演重要的角色。

Reaction of the insertion adducts with epoxide s and α,β unsaturated esters in THF HMPA afforded the corresponding unsymmetrical selenides, respectively.

硒插入芳基锌的C—Zn键产生对应的芳基硒化锌，它与环氧或α，β不饱和酯在温和的条件反应生成对应的不对称的硒醚

The hydrothermal sedimented Maanqiao Pb-Zn deposits in middle Tianshan of Xinjiang formed purple fluorite-sphalerite veins which cut through the earlier bedded ore bodies in late metallogenic stage.

新疆中天山地区热水沉积形成的马鞍桥铅锌矿床在成矿后期形成了穿插早期层状、似层状矿体的脉状紫色萤石-闪锌矿矿石。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。