查询词典 Zn

It is 9.40%.In black current,the quantity of K,Na,Cu,Zn and Fe in natural black current is more than in saxifraga,but the quantity of Mn and Mg in black current is less than in saxifraga.In black current,the proportio...

黑加仑中 K，Na，Ca，Cu，Zn，Fe的含量比马林中的含量高，而 Mn，Mg元素的含量却比马林含量低；马林的维生素 C含量为 1 6.2 2 mg/g，黑加仑的含量为 1 0 8mg/g，黑加仑的氨基酸的总量为 1 。63 %，马林为 1 。1 4%。

X-ray single crystal diffraction study reveals that the Zn atom is five-coordinated, Furthermore, a 2D superamolecular network is constructed via the tetracarboxylate bridged binuclear of Zinc SBU ,and the amino substituent results in the formation of hydrophilic 2D structure of the title complex.

该配合物中，锌离子为5配位，2个Zn原子和4个羧基形成的双核锌结构单元，进而形成二维方格式平面结构，氨基取代基导致配合物具有亲水性。

Thioamide was refluxed with sodium hypophosphite and ppt-Ni prepared beforehand from NiCl〓·6H〓O and Zn powder in a mixture of dioxane and water to give amines in 60-98% yields (12 examples).

催化剂Ni-Zn是用氯化镍和锌粉反应制成，为合金型固体粉末，次磷酸钠作为氢供体，对12种硫代酰胺进行脱硫还原，收率60-98%。

The quantitative trail loci analysis is being used to find the loci controlling Zn accumulation in heavy metal hyperaccumulator Thlaspi caerulescens or Arabidopsis halleri .

而在Thlaspi caerulescens 和Arabidopsis halleri植物上鉴定出控制锌含量的QTLs，为寻找控制植物高效积累Zn的遗传基础规律打下了基础。

Thoracica, the amounts of Ca and Fe were the highest, and the following were that of Cu and Zn, the amount of Mn was the least.

结果］灰胸竹鸡各部位Ca、Fe含量最高，Cu、Zn次之，Mn含量最低。

With wild B. thoracica as the material, the distribution of mineral elements such as Ca, Fe, Zn, Cu, Mn etc in its breast muscle, leg muscle, skeleton and feathers were detected by atomic absorption spectrometry, and the amount of mineral elements in male and famale B. thoracica were compared. In each part of B.

方法］以野生灰胸竹鸡为材料，用原子吸收光度法测定Ca、Fe、Zn、Cu、Mn等矿质元素在其胸肌、腿肌、骨骼和羽毛中的分布情况，并对雌雄个体矿质元素含量进行了比较。

The concentrations of Au,Ca,Cr,Cu,Pb,Zn,Cd,Hg and As in Didymodon vinealis,Trichostomum crispulum,Anombryum gemmigerum and Tortula yunnanesis of Laowanchang Gold Mine in Guizhou and their soil are determined by atomic absorption spectrometry.

利用原子吸收法对贵州老万场金矿土生对齿藓、皱叶毛口藓、芽孢银藓、云南墙藓及其基质中Au、Ca、Cr、Cu、Pb、Zn、Cd、Co、Hg、As含量进行了测定。

B. juncea showed a higher ability to translocate Zn and Cd from roots to shoots compared with ordinary crops.

和普通植物相比，印度芥菜更能将Zn和Cd从根运输到地上部。

In this sense, IDA plays dual effects, tridentate chelating to Cu(2) and bridgebetween two Cu(1) andCu(2).3 Metal complexes were selected as the appropriate for the study of cleavage plasmid pBR322DNA by gel electrophoresis technique. The results showed Ni and Mn complexes could cleave effect- ively DNA in the presence of H2O2 at physiological pH and temperature, whereas individual Zn complex could cleave effectively DNA.

通过电泳实验研究了一系列金属配合物与pBR322DNA的作用，发现在Tris-HCl缓冲溶液中，生理条件下，镍、锰配合物在共反应物H_2O_2存在下能够很好的断裂DNA，而Zn配合物单独作用就能够使DNA由ccc型转化为oc和linear型。

The results were summarized by variance analysis and correlation analysis, the diversity reached significant positively correlated level of varieties carotene, polysaccharide,γ-am1nobutyric and crude fibre content, but the diversity bad- not reached significant positively correlated level of varieties Zn, Cr and Trigonelline content.

对11个品种肉用印度南瓜主要果实性状进行调查，并对果肉的8种营养成分测定；通过方差和相关分析得出结论：胡萝卜素、多糖、淀粉、γ-氨基丁酸、粗纤维含量在各个品种间差异均达到极显著，Zn、Cr、葫芦巴碱的含量在各个品种间差异不显著。

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。