transition metals

[化] 过渡金属元素

  • It contains five potential donor sites and has very strong coordinating ability with transition metals and heavy metals .

    该配体有五个潜在的配位原子,试验表明与 过渡 金属 离子及重金属离子有很强的配位作用。

  • The hypereutectic Al-Si alloys containing transition metals are unique materials due to their particular properties at elevated temperatures .

    含有 过渡 金属 元素的过共晶Al-Si合金是一种性能独特的材料,它在高温时具有良好的综合性能。

  • Hydroperoxide decomposition into radicals is accelerated by various catalysts notable the transition metals . It also catalyzes the oxidation of substrates by hydrogen peroxide .

    氢通过氧化物分解为自由基的过程,可被各种催化剂加速,特别是 过渡 金属。还可以通过过氧化氢催化底物的氧化。

  • The research development on organometallic polymers with transition metals and π system in the main chain was reviewed in this paper .

    综述了主链含 过渡 金属和大π体系的金属有机聚合物的研究进展。

  • The important role that heavy transition metals play in environmental chemistry and public health is widely recognized .

    重金属 离子在环境化学与公众健康中的重要作用是已被人们广泛认知。

  • Rare earth oxidation showed excellent synergy effect when mixed with the noble metal and transition metals .

    稀土氧化物与贵金属和 过渡 金属在混合作用时,展现出很好的协同效应。

  • The results are related to the synergetic activation of transition metals containing d electron .

    这一结果可用含d电子层结构的 过渡 金属之间的协同作用解释。

  • Thermodynamic behaviors of transition metals in molten slags are an important aspect in the fundamental research of metallurgy .

    熔渣中 过渡 金属的热力学是冶金基础研究的一个重要方面。

  • Transition metals such as Nickel and Iron which have special d electronic structure have good activity stability and selectivity so most metal catalysts are Ni Pd Fe Pt and other transition metals .

    镍和铁等 过渡 金属,因其特有的d电子结构,使他们具有很好的活性、稳定性和选择性,所以大多数金属催化剂都是Ni、Pd、Fe、Pt等过渡金属。

  • The effects of the transition metals copper and nickel on oxygen precipitation in Czochralski silicon under a rapid thermal process are investigated .

    研究了快速热处理工艺下直拉单晶硅中 过渡 金属铜、镍对内吸杂工艺中氧沉淀形成规律的影响。

  • To achieve the coexistence of room temperature ferromagnetism and ferroelectricity some researchers doped transition metals into ferroelectricity .

    为了得到同时具有室温铁磁性和室温铁电性的单相材料,一些研究者将 过渡 金属 元素掺杂进铁电材料中,而且他们确实在这些掺杂的材料中发现了室温铁磁性。

  • A Study of the Effects of Transition Metals on Catalytic Combustion of Methane

    过渡 金属 元素对甲烷催化燃烧性能影响的研究

  • The pattern recognition method was applied to the formability of hydrogen and hydrogen storage properties of binary transition metals alloys .

    利用模式识别方法对 过渡 金属二元合金氢化物的形成和贮氢性能进行了分析。

  • So this again takes advantage of those great unique properties of transition metals which we 'll talk about in this course .

    这同样也是利用了, 过渡 金属的独特性质,这个我们在以后的课程里也会讲到。

  • Ferromanganese nodules ( crusts ) formed under different genetic conditions uptake different transition metals .

    在不同生成环境下生成的铁锰结核(壳)吸收不同的 过渡 金属 元素

  • Furthermore most of researches were focused on palladium and copper in all of the transition metals .

    然而,在所有的 过渡 金属催化中,人们研究最多的主要是金属钯和铜。

  • Compared with other transition metals such as gold palladium and rhodium silver is much cheaper .

    其中,银与其他 过渡 金属,如钯、铑等相比,价格更为低廉,因此具有良好的应用前景。

  • Transition metals are good catalyst for N2O decomposition .

    研究表明, 过渡 金属对N2O的分解是很好的催化剂。

  • In this thesis a first principles study of the electronic properties and mechanical properties of transition metals transition metal carbides and nitrides is presented .

    本文对 过渡 金属、过渡金属碳化物和氮化物的微观电子结构和力学性质做了第一性原理研究。

  • Replacement of carbon atoms in these aromatic rings with transition metals produces a new group of aromatic family the metalla-aromatics ( scheme above ) .

    如上图所示,若芳环骨架中一个碳被 过渡 金属替代,则诞生了芳香家族的新成员& 金属杂芳香化合物。

  • The catalysts on studying can divide into two kinds : the transition metal bifunctional catalysts and the nitride carbide and oxycarbide catalysts of transition metals .

    目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和 过渡 金属氮化物、碳化物和碳氧化物催化剂。

  • Thermal oxidation of cis-1 catalytic activities and effects of the salts of some transition metals

    顺-1聚丁二烯的热氧化&各种 变价 金属盐的氧化催化活性及效应

  • Molybdates of the first-row transition metals ( Cr Mn Fe Co Ni Cu Zn ) and Mg have been prepared by the citrate method and their catalytic performance for the n-butane oxidative dehydrogenation has been studied .

    用柠檬酸盐法合成了第一系列 过渡 金属(Cr,Mn,Fe,Co,Ni,Cu和Zn)及Mg的钼酸盐催化剂,研究了它们对正丁烷氧化脱氢反应的催化作用。

  • It has two irons that are involved in doing the chemistry so it includes transition metals .

    反应中有两个铁原子参与,因此她还要了解 过渡 金属

  • The main existence of transition metals in highest oxidation state complex in crystalloid and alkaline medium and reaction activation center has been reviewed with 63 references .

    对晶体和碱性介质中 过渡 金属超常氧化态配 离子的主要存在形式和反应活化中心进行了综述,参考文献63篇。

  • Synthesis and Characterization of Complexes of Multi-phosphines with Transition Metals

    含多齿膦配体的 过渡 金属配合物的合成及表征

  • And in the second half of this course talk to us about transition metals in depth and that 's when we 'll really delve into d orbitals .

    在这个课程的后半部分,会深入的讲到, 过渡 金属,这时候,你们可以研究d轨道。

  • Influencing factors of generation efficiency of volatile hydrides for transition metals and their existing forms

    过渡 金属 元素挥发性氢化物发生效率的影响因素及其存在形态

  • Ni-Al_2O_3 solar thermal absorbing film prepared by sol-gel method : screening and reduction of the transition metals

    溶胶-凝胶法制备Ni-Al2O3太阳光热转换吸收薄膜: 过渡 金属筛选和还原

  • In recent years the adsorption and reaction of both sulfur dioxide on transition metals and acetylene on silicon have received much attention because of their importance in surface science researches and applications .

    二氧化硫在 过渡 金属表面的吸附和反应的研究和乙炔在硅表面吸附和反应的研究是表面科学中的二个倍受关注的研究热点。