查询词典 metal

On the other hand, we tried to isolate heavy metal tolerance genes with novel function in higher plant Cynodon dactylon.. The functional complementation of a yeast mutant strain M379/8, which was sensitive to heavy metal, Cd, was carried out.

木文还尝试了利用酵母重金属敏感突变株M379／8功能互补的方法从重金属抗性植物绊根草中分离新的重金属抗性相关基因。

It is shown that nanoscale pyramid cone shapes are found on the metal film interface (100), serrate steps are found on the metal film interface (111), and cystiform shapes with terrace structure are found on the cross-section near the catalyst. Other faults have brittleness fracture characteristic with nanoscale clusters are found on the fault surface.

结果表明：包膜(100)界面有纳米级的棱锥状突起，包膜(111)界面上分布着锯齿状的台阶；金属包膜近触媒侧的界面断面表层分布着台阶形貌的胞状突起；断面其它断层断口呈现脆性断裂特征，断层表面分布着团簇状的纳米颗粒。

DG research showed that there was complicated action between metal oxide and Zr4 in CuO·ZrO_2,Fe_2O_3·ZrO_2 catalysrs; metal oxide calcinated by high temperature would deoxidate.

DG分析显示，共沉淀型催化剂CuO·ZrO_2，Fe_2O_3·ZrO_2中，金属氧化物与Zr4间存在着复杂的相互作用；高温焙烧催化剂，会发生金属氧化物的脱氧现象，引发了金属的变价现象。

DG research showed that there was complicated action between metal oxide and Zr4 in CuO·ZrO_2,Fe_2O_3·ZrO_2 catalysrs; metal oxide calcinated by high temperature would deoxidate.

DG分析显示，共沉淀型催化剂CuO·ZrO_2，Fe_2O_3·ZrO_2中，金属氧化物与ZrOH(来源：A28BC论文网www.abclunwen.com4间存在着复杂的相互作用；高温焙烧催化剂，会发生金属氧化物的脱氧现象，引发了金属的变价现象。

The Schiff base transitional metal complexes of various structures and their metallomicelles as peroxidase models for the phenol and phenolic derivant oxidation have been investigated. Some results are obtained from the studies:(1) the Schiff base transitional metal complexes have high catalytic activity for the phenol and phenolic derivant oxidation, and the structure of the complexes has a great effect on its catalytic activity;(2)a novel kinetic mathematical model for the complexes and their metallomicelles catalyzing the phenolic derivant oxidation has been established;(3) the feasibility and mechanism for the phenolic derivant oxidation catalyzed by the metallomicelle(as the mimetic model of peroxidase)have been discussed.

研究了冠醚Schiff碱金属配合物作为过氧化物酶的模拟模型对酚类物质氧化反应的催化作用，取得如下结果：(1)几种冠醚Schiff碱金属配合物对催化酚类物质氧化具有良好的催化活性，其中配体结构对其催化活性有较大的影响；(2)建立了金属配合物与表面活性剂形成的金属胶束催化酚类物质氧化反应的动力学数学模型；(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。

In this article, by comparative research of the basic principles, agents, methods and effects of the hot metal pretreatments of desiliconization, dephosphorization and desulphurization, the writer defines that the converter-shaped pretreatment of desiliconization, dephosphorization and desulphurization has become the key pretreatment technique of the hot metal for its fine effect, low cost, and outstanding economic and environmentally friendly advantages.

本文通过对铁水预脱硅、脱磷、脱硫基本原理、预处理剂、预处理方法和处理效果的比较研究，明确了转炉型&三脱&工艺因其效果好，成本低和突出的经济、环保优势成为铁水&三脱&预处理的主流工艺。

The optimal order of hot metal pretreatment is obtained by comparing different powder and order with thermodynamic computation, that is hot metal desulphurization→desiliconization and dephosphorization.

北京科技大学冶金与生态工程学院，北京100083）摘要：通过对不同三脱剂、不同处理顺序的热力学计算比较得出最佳铁水预处理顺序为：预处理脱硫－预处理脱硅、脱磷。

The hot metal pretreatment mode is confirmed as: hot metal － desulphurization by KR in ladle—desiliconization and dephosphorization in converter.

铁水预处理工艺模式确定为：高炉铁水－铁水包 KR 法脱硫－专用转炉脱硅、脱磷。

The azacrown ether complexes are formed by coordination of azacrown ether and metal ion, the azacrown ether is 1,12-diaza-3,4,9,10-dibenzo-5,8-diazacyclopentadecane-N,N'-diacetic acid, the metal ion can be any one of Cu2 , Ni2 , Co2 or Zn2 and so on.

所述氮杂冠醚配合物为氮杂冠醚与金属离子配位而成，氮杂冠醚为1，12-二氮杂-3，4，9，10-二苯并-5，8-二氮杂环十五烷-N，N'-二乙酸，所述金属离子可以为Cu 2 、Ni 2 、Co 2 或Zn 2 等中任一种。

The invention selects hypo- sensitive absorbing line of metal to be measured to analyze by the atom absorbing spectrometer, so alloy sample metal salt solution is diluted for direct analysis, so error induced by dilutedness can be decreased greatly, operation is easy, fast and accuracy is high.

本发明选择待测金属元素的次灵敏吸收线进行原子吸收光谱仪分析，因此无需对合金样品金属盐溶液进行高倍稀释，就能直接分析，因而可以大大减小由稀释放大的误差，操作简便、快速，准确性高。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。