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The results show that the growth rate of tetrapod ZnO is controlled by spiral growth and its crystallization is via VLS model.

但是, 要探明四针状氧化锌的生长机理,还需在此基础上作进一步的研究。

"Brass: Alloy of copper and zinc , important for its hardness and workability."

黄铜:铜和锌的合金,硬度和可加工性让它成为重要的合金。

This paper describes experimental process and results for recovering zinc from flue dust and analyses the technical features and economic superiority of chlorine removal from copper residue .

介绍了烟尘中锌的回收试验过程及结果,分析了铜渣除氯的技术特点和经济优

An ointment containing zinc that is used to treat certain skin diseases.

一种含有锌的治疗皮肤疾病的药膏。

On the basis of this, the additionreactions of N-sulfonylimines with α-bromoketone s and α-bromoesters in the presentof zinc powder were carried out.

在此基础上又研究了α-溴代酮和α-溴代酯在金属锌的作用下与磺酰亚胺的加成反应。

The effects of mercury, copper, cadmium and zinc on the time to achieve a steady osmoconcentration in the haemolymph of the euryhaline prawn, Palaemon elegans were examined in different salinities at 15℃.

1。本研究乃将广盐性岩虾Palaemon elegans在15℃下置於不同盐度溶液中,探讨在汞、铜、镉与锌的作用下,其血淋巴达到稳定渗透浓度所需的时间。

Furfurylidene acetone obtained from acetone and furfuratdehyde by condensationwas used as a brightener in an acid-sodium chloride type Zn electroplating bath.

由丙酮和呋喃甲醛经缩合反应所制得的呋喃叉丙酮,用作酸性氯化钠型镀锌的光亮剂。

5 The pinacol coupling reaction of aromatic aldehydes and ketones was performed in 8-95% yield with magnesium in 0. 1M aqueous NH4CI.

2.4 以蒙脱土K10和锌的体系中,在超声波作用下,研究了醛、酮的还原偶联反应,于22~30℃反应2~3小时,产率23~91%。

The standard enthalpy value of the reaction was calculated:△H=-39.530kJ/mol. The standard enthalpy of formation for zinc phosphate tetrahydrate are recommended -4354.004kJ/mol.

计算出该固相反应的反应焓为-39.530kJ/mol,同时得到纳米四水磷酸锌的标准摩尔生成焓,推荐其值为-4354.004kJ/mol。

One mixed-ligand complex ofnH2Otpa=terephthalate, tripy=4'-(4methyoxyphenyl-2,2':6',2-terpyridine was synthesized and characterized by IR, elemental analysis and thermo-gravimetric analysis. The crystal structure of the product was established by single-crystal X-ray diffraction.

采用水热法合成了新的维链状锌的配位聚合物nH2O(tpa=对苯二甲酸,tripy=4'-(4-甲氧基苯基)-2,2':6',2-三联吡啶),通过红外光谱和元素分析对该配位聚合物进行了结构表征,用X射线单晶衍射测定了晶体结构。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。