Zinc is a chemically active metal, but its corrosion products are generally dense and adherent.
锌是一种化学性质活泼的金属，但它的腐蚀生成物一般有高的密度和附着力。
The influence of active metal component, its molar ratio and molecular sieve component was investigated.
考察了活性金属组分、摩尔比、分子筛组分等因素对催化剂性能的影响。
Corrosion resistance: Titanium is a kind of very active metal with low equilibrium potential and strong trend of thermodynamic corrosion in media.
耐腐蚀性能：钛是一种非常活泼的金属，其平衡电位很低，在介质中的热力学腐蚀。
An additive, MP031, for enhancing propylene content in LPG was developed by means of modifying zeolite having MFI structure with special active metal component.
以特种活性组元改性MF I结构沸石为主活性组元开发了提高液化气中丙烯含量的催化裂化助剂MP031。
Different from the traditional active metal brazing, RAB uses a liquid-phase oxide-metal melt at high temperature and the process does not require a vacuum or inert atmosphere.
与传统的活性金属钎焊不同，它采用的是一种高温下形成液相的氧化物-金属钎料，并且钎焊过程不需要真空或惰性气氛保护。
This paper introduces the structure of an inert gas -shield equipment for titanium alloy and other active metal welding , functions of its corresponding parts and its working theory.
介绍了一台适合于钛合金及其它活性金属惰性气体整体保护焊接设备的结构、各部分的功能、设备的工作原理及使用效果。
Catalytic activity of the double-component metal oxides tested in this paper was mainly dependent on the more active metal oxide and related to proportion between the two components.
实验结果表明，几种双组分金属氧化物的催化分解活性主要由较高活性的金属氧化物所决定，并与两组分的比例有关。
Conventional lithium-ion or nickel metal hydride rechargeable batteries contain active material that is placed into a thin film.
传统的锂离子以及金属氢化物镍蓄电池中所含有的活性物质被放置在一个薄膜中。
The theory of statistical dislocation link length distribution is an active field in the modern microscopic quantitative theory of metal plastic deformation.
变形金属位错链长度统计分布理论是现代金属塑性变形定量微观理论最活跃课题之一。
Recently, One important branch of synthesizing medicine, synthesis and researching of the Schiff base and its metal complexes, is very active.
近年来合成药物的一个重要分支—席夫碱类化合物及其金属配合物的合成与研究一直十分活跃。
The measurement of ground gas and metal active status is a new method of geochemistry prospecting for concealed deposit and improving ore-seeking efficiency.
地气及金属活动态测量是近年来勘查地球化学领域为寻找隐伏矿床和提高找矿效果而研究的一种新方法、新技术。
So the study of hydrogen embrittlement is still Avery important and very active topic in metal science.
因此，氢脆问题的研究，仍然是金属材料科学领域中一个很重要而又是非常活跃的课题。
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation.
金属离子可以是辅助因素的催化中心，也可以帮助形成酶活性所必须的构象。
Experimental results were reported here regarding the gas phase conversion of CTC to methyl chloride by using transition metal salt composite catalyst embedded on active carbon.
报道了以活性炭为载体，以过渡金属无机盐为复合催化剂，在气相条件下四氯化碳与甲醇反应制备(一)氯甲烷的研究结果。
The sulfur tolerance of nickel metal catalysts in aromatic hydrogenation has been studied systematically on the base of nickel active unit in this paper.
以镍为活性组元，系统地研究了镍基芳烃加氢金属催化剂的抗硫性能。
It is highlighted that besides passive transport, dissolved metal transport into bivalves was involved in active transport coupled with ATP.
强调了贝类对溶解态重金属的转运除了被动转运之外，还涉及到需要AT P供能的主动转运过程。
In recent years, the interaction between small molecular transition metal complexes and DNA has been an active subject at international bioinorganic chemistry field.
近年来，对小分子过渡金属多吡啶类配合物与DNA分子的相互作用的研究已经成为生物无机化学领域国际上十分活跃的研究课题。
The cleaning active system is comprised of a solid oxidizing agent and a metal chelating agent or a carbonate.
所述清洁活性体系包括固体氧化试剂和金属螯合剂或碳酸盐。
Penetrating existing rust it further embeds into the pores of metal, creating an active barrier of protection that migrates to inaccessible areas.
它能够穿透现有铁锈而渗透进钢铁部件的细微孔隙中，从而创造了一个阻断铁锈生成的活性保护屏障。
Semiconducting metal oxides such as tin oxide (SnO2), titanium dioxide (TiO2) and zinc oxide (ZnO) are routinely used as active materials in solid state gas sensing devices.
半导体型的金属氧化物，如氧化锡(SnO2)、氧化钛(TiO2)和氧化锌(ZnO)，经常作为活性材料用在固态气体传感器件中。
The effect of yttrium oxide on microstructure, chemical composition and mechanical properties of weld metal was studied and the active mechanism of yttrium oxide was also discussed.
研究了稀土添加剂氧化钇对焊缝微观组织、化学成分以及焊缝金属力学性能的影响，并分析了氧化钇的作用机制。
The activity of life is an effect of different chemical reactions by lots of biological active substances, and metal ion is one important kind of them.
生命活动是由许多生物活性物质参加的各种化学反应的结果，金属离子就是其中重要的一种。
In this paper the activity of 1398 protease by the active of the mixture of three metal ions and nature organic compound was studied respectively.
分别探讨了三种金属离子及其与天然有机物组方后对1398中性蛋白酶活力的影响。
A catalyst composition including the dinuclear transition metal compound is highly active for a monomer having a polar functional group.
包含所述双核过渡金属化合物的催化剂组合物对于含有极性官能团的单体活性高。
This provides a novel approach to tune the catalytic behaviors of metal catalysts for the involving hydrogen reactions, which are sensitive to the electronic state of the active components.
这给我们一个启示，可以利用碳纳米管的限域效应改善或者提高涉氢的多相催化反应的催化性能，因为这些催化反应中低价态的金属是反应的活性物种。
As the most important cofactors of proteins, metal ions are responsible for the active or structural sites in metalloproteins.
金属离子作为金属蛋白中重要的辅因子，承担着活性中心或结构中心的作用。
The electrode structure, metal wall action on the active medium cooling, and the gain distribution have been studied.
文章研究了电极结构，金属腔壁对工作气体的冷却作用和腔内的增益分布。
This paper introduces the application of active lime in metallurgy such as steel making, refining, hot metal pretreatment, sintering material, etc.
前言：介绍了活性石灰在炼钢、铁水预处理、精炼、烧结等冶金生产中的应用。
They are designed according to the special relations and coordination of metal-amino acid side chain in the active centre in known enzymes.
按照已有的酶活性中心的金属-氨基酸侧链配位和空间关系，设计合成多齿配体，并使配体和金属离子通过配位作用形成配合物。
They are designed according to the special relations and coordination of metal-amino acid side chain in the active centre in known enzymes.
按照已有的酶活性中心的金属-氨基酸侧链配位和空间关系，设计合成多齿配体，并使配体和金属离子通过配位作用形成配合物。
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