非化学计量的缺陷常常出现在过渡金属的化合物中。
Non-stoichiometric defects often occur in transition-metal compounds.
催化剂可以分为两种:过渡金属双官能催化剂和过渡金属的碳氧化物催化剂。
The catalysts can divide into two kinds: the transition metal bifunctional catalysts and oxycarbide catalysts of transition metals.
但是在高铁酸盐中(是铁原子、氧原子以及非过渡金属如纳原子、钙原子的化合物),它失去了6个电子。
But in ferrates, which are compounds of iron and oxygen with non-transition metals like sodium and calcium, it loses six.
除了指导值之外,空气质量准则也为有关室外空气污染的每项空气污染物提出了过渡目标,以便促进逐渐从高浓度向低浓度过渡。
In addition to guideline values, the AQGs give interim targets related to outdoor air pollution, for each air pollutant, aimed at promoting a gradual shift from high to lower concentrations.
现在,图上的飞行物太多了,它们让场景过渡拥挤。所以,为了保持画面平衡,要删除一些。
There are too many of them flying right now, they overcrowd the scene so proceed to erase some of them in order to maintain balance.
长期以来,吸入硫化合物的能力一直被认为是由非生物世界向生物世界过渡的早期阶段。
The ability to breathe sulphur compounds has long been thought to be one of the earliest stages of transition from a non-biological to a biological world.
对于空气污染程度仍然很高的国家,尽管它们实施了相关政策来降低空气污染,作为世卫组织准则的一部分,也对之提出了过渡目标,鼓励其逐步缩减排放物。
The WHO guidelines provide interim targets for countries that still have very high levels of air pollution to encourage the gradual cutting down of emissions.
在2010年1月的某天晚上,住房和城市发展部统计到76329名退伍军人住在了紧急收容所、过渡房或者在大街上,在汽车里或者废弃的建筑物里。
On one night in January 2010, HUD officials counted 76, 329 veterans living in emergency shelters, transitional housing or on the streets, in cars or abandoned buildings.
氪不能被Pt F 6氧化。在无水氟化氢(aHF)溶液中,氙能形成过渡金属离子的配合物,而氪不行。
Krypton is not oxidized by PtF6, and in the solvent anhydrous HF (aHF), forms no complexes with transition-metal ions as xenon does.
影响行车的安全性和舒适性的一个重要环节,就是路基与桥隧等结构物的连接地段——过渡段问题。
An important link of impacting traffic safety and comfort is the transition issues of the subgrade and bridge.
她的手依然握在他的手里,当马车蹒跚通过渡口的道板时,他弯下身,脱下她那只棕色的紧手套,像吻一件圣物似的亲吻了她的手掌。
Her hand remained in his, andas the carriage lurched across the gang-plank onto theferry he bent over, unbuttoned her tight brown glove, and kissed her palm as if he had kissed a relic.
由于试验区地处过渡带,其井网、油层条件和原油性质具有特殊性,这些因素将影响过渡带地区聚合物驱油的开发效果。
The test area whose well pattern, reservoir conditions and crude oil properties are special, which will affect the effectiveness of polymer flooding in transitional zone.
在树枝状高分子和过渡金属配合物研究的基础上提出本课题的研究内容。
The content of this subject study is presented on the basis of studies on dendritic macromolecule and transition metal complex.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The surface acidity or basicity of six-component transition metal catalyst was studied.
作为化学反应动力学过程过渡状态的活化给合物,实际上处于非平衡定态。
The activated complex as a transition state in the chemical kinetic processes is actually at a nonequilibrium steady state.
过渡金属氢化物在络合催化中占有重要的地位。
Metal hydride compounds play a central role in coordination catalysis.
在分子轨道理论的基础上,提出一种应用VSEPR理论判断过渡元素配合物分子构型的方法,并对其在八面体场、四面体场中的应用进行了详细的探讨。
In this paper, a new approach to judge molecular configuration of complex for transition elements by VSEPR theory is put forward on the basis of molecular orbit theory.
在这背景下,陈述过渡金属配合物的光学、振动和磁学性质,以及通过适当的光谱方法探讨这些性质。
Against this backdrop, the optical, vibrational, and magnetic properties of transition metal complexes are presented and their investigation by the appropriate spectroscopy is described.
此外,该标度值的相对大小还能反映配合物的稳定性,过渡金属收缩和镧系元素收缩等性质。
The ligand field stabilization, the transition-metal contraction, and the lanthanide contraction are reflected in the relative values of the electronegativity scale.
完全硬化区由细小针状马氏体、残余奥氏体和少量点状碳化物组成,过渡区由马氏体和回火索氏体(珠光体)组成;
The completely hardening region is composed of fine acicular martensites, residual austenites and a few dot-like carbonides and the transition region is made up of martensites and sorbites (pearlite).
过渡金属化合物由于具有较高的储锂容量和崭新的储能机理,成为近些年锂离子电池负极材料中的研究热点。
Transition metal compound has been the focus as anode material in lithium ion battery since it has high lithium storage capacity and new energy storage mechanism.
论文的第二部分合成出了一系列不同的树枝状高分子过渡金属配合物和嘧啶过渡金属配合物并对它们进行了表征。
The second part of this dissertation shows the synthesis and characterization of some different kinds of transition metal complexes of a new dendritic macromolecule and pyrimidine.
环糊精及其衍生物不仅能与简单客体分子包合,也能与过渡金属配合物进行包合的研究。
The cyclodextrin and its derivative inclusion coordination can not only include with guest molecule, but also with transition metal complexes.
研究了过渡金属元素氧化物对铝型材模具在盐浴氮化中的影响。
Effect of oxidation of interim metal on aluminum shape mold during liquid nitrogenous had been investigated.
一般用一维电子密度相关函数来计算结晶聚合物的过渡层厚度。
The thickness of transition layer of crystal polymer is generally calculated by one dimensional electron density correlation function.
过渡金属氮化物是一类金属间充型化合物,兼具有共价化合物、离子晶体和过渡金属的性质。
Transition metal nitrides belong to a class of interstitial compounds, have the properties of covalence compound, ion crystal and transitional metals.
过渡金属配位聚合物的研究,不仅沟通了无机与有机化学的研究,而且集基础研究与应用研究于一体。
The research on transition metal coordination polymers not only connects inorganic and organic chemistry but also involves basic theory and applications.
过渡金属配位聚合物的研究,不仅沟通了无机与有机化学的研究,而且集基础研究与应用研究于一体。
The research on transition metal coordination polymers not only connects inorganic and organic chemistry but also involves basic theory and applications.
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