过渡金属元素

碱土金属和过渡金属元素在整个制浆和H2O2漂白过程中都存在；

Alkali - earth metal and transition metal are difficult to dissolve during pulping and bleaching .

三种工艺路线生产甲硫醇催化剂中主体活性组分都是ⅥB族过渡金属元素W和Mo，常用的助催化剂为K，载体为具有一定孔特性的二氧化硅和氧化铝。

For the catalysts used in above-mentioned three systems , the main active components are ⅵ B transition metal W and Mo , with K as the promoter and silica and alumina as the carriers .

过渡金属元素Cu、Co、Ni在铁锰结核（壳）中富集的控制因素

Factors controlling the concentration of the transition metals cu , CO and Ni in the ferromanganese deposits : an overview

本文研究了电子束蒸发的掺过渡金属元素Cr的非晶硅基薄膜a-Si（1-x）Crx的光吸收特性。

The optical absorption properties of electron-beam-evaporated a-Si_ ( 1-x ) Cr_x , films have beem studied .

NEB与过渡金属元素二元配合物的pH电位法研究

Studies on the binary complexes of some transition metals with NEB by potentiometry

过渡金属元素（Fe与Cr）掺杂Bi4Si3O（12）晶体闪烁性能的研究

Scintillation Properties of Fe and Cr Doped Bi_4Si_3O_ ( 12 ) Crystals

引入Ti，Sn及Pt等过渡金属元素制得氧化还原催化剂以提高对大分子氧化反应的选择性；

Introducing transitional metal such as Ti , Sn , Pt , to obtain redox catalyst used to increase oxidation selectivity of large molecules .

本文采用第一性原理能带计算方法和超晶胞模型计算金红石相TiO2掺杂过渡金属元素的电子结构。

The electronic structure of rutile TiO_2 doped with transition metals was analyzed by ab initio band calculations based on the density functional theory by a super-cell approach .

考察了Zn、Cr、Mn、Fe、Co、Ni、Cu等第一系列过渡金属元素的掺杂对SrTiO3光催化性能的影响。

The photocatalytic properties of SrTiO_3 doped with the first series transition metal elements , such as Zn , Cr , Mn , Fe , Co , Ni and Cu , were studied .

在土壤渗滤液组成的反应体系中，TiO2无法通过简单添加过渡金属元素进行改性的方法来提高光催化氧化的效果。

In the reaction system of leachate in the soil , TiO2 can not be easy to add the transition metal element method , which cannot improve the effectiveness of photocatalytic oxidation . 3 .

内容包括聚苯乙烯（PS）掺卤素和过渡金属元素，玻璃与塑料掺簇粒子，以及塑料涂层掺高Z金属等。

The preparing methods are emphatically introduced , they include chemical synthesize methods for doping halogen and transition metals in polystyrene , physical process methods mostly using for seeding clusters in glasses and polymers , and seeding high Z metals in plastic coating .

用3d过渡金属元素部分取代锂离子正极材料的尖晶石型锂锰氧化物中的Mn，可使电极获得接近5V的电压平台，5V电池的好处是可以获得高的功率密度。

The electrode can get a 5 voltage flat by using 3d transition metal element to partly replacing the Mn of the spinel lithium manganese Oxide , and the advantage of the 5V battery is the high power density .

研究还发现重矿物、碳酸盐、某些微量元素以及过渡金属元素，如铁族元素Fe、Mn、V、Cr、Ni和亲铜元素Cu、Zn等在判别沉积物长江、黄河源属性方面比较有效；

We also find that heavy minerals , carbonate , some trace elements and transitive metals , such as Fe , Mn , V , Cr , Ni , Cu , Zn are effective in discriminating the origin of the sediment , from Yangtze River or Yellow River ?

随着对AD分子和细胞病理生理的进一步了解，又发展了医一些新的治疗方法，如分泌酶抑制剂、过渡金属元素螯合剂、HMGCoA还原酶抑制剂和β淀粉样蛋白疫苗等。

Recent progress in understanding the molecular and cellular pathophysiology of Alzheimer 's disease has suggested possible pharmacological interventions , such as treatment with secretase inhibitors , transition metal chelators , HMG-CoA reductase inhibitors and amyloid - β immunization .

为了生产纳米以及过渡金属元素掺杂的LMO材料，研究了几种合成方式来优化出更好的、环境友好的、大批量的、高效的和低成本的合成工艺。

Different synthetic routes were investigated to find better , more sustainable , faster , and cheaper pathways on a batch production to produce nanoscale or metal-substituted LMO materials .

火山热液中的高温酸性组分（H2S，SO2，HF和HCl等）以及过渡金属元素可促进干酪根中碳-氧键、碳-硫等键的断裂，对油气生成具有催化作用。

Acidic components with high temperature ( H 2 S , SO 2 , HF , HCl and so on ) and transitional metal elements in the volcanic hydrothermal fluid may promote the bond fission of C-O and C-S in kerogen , and has catalytic action on hydrocarbon generation .

过渡金属元素催化羟自由基反应机理研究

Investigation on Reaction Mechanism of Transition Metal Elements Catalyzing Hydroxyl Free Radical

过渡金属元素对甲烷催化燃烧性能影响的研究

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

添加过渡金属元素碳气凝胶的制备及性能

Synthesis and property of carbon aerogel under addition of transition Metal element catalysis

过渡金属元素在NbCr2Laves相中晶格占位的第一性原理计算

First-principles calculation of the site substitution of transition metal elements in nbcr_2 Laves phase

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

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

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。

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

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 .

研究了过渡金属元素掺杂对层状钙钛矿结构锰氧化物La1.2Ca1.8Mn2O7体系输运性质的影响。

The influences of transition element doping on the transport properties of layered perovskite manganite La_1.2Ca_1.8Mn_2O_7 were investigated .

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。

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

过渡金属元素八面体配合物的颜色与分裂能关系的探讨

An Approach to the Relationship Between the Color and Splitting Energy of the Octahedral Fittings of Transitional Metal Elements

杂原子和金属元素在大量富集，尤其是过渡金属元素，从而为形成更多的分子聚集体提供条件。

The mixture and metal atom are enrichment , especially transition metal , which give more chance to form the molecular conglomerate .

以过渡金属元素氧化物为催化剂，在500-620℃下研究了氢气还原硫酸钠反应的催化活性。

The catalytic activities of the transition metal oxide were investigated in the reduction of anhydrous sodium sulfate by hydrogen at 500-620 ℃ .

钴是一种重要的过渡金属元素，以多种形式存在于体内、体外，具有重要的生物学意义。

Cobalt is an important transition metal element with significant biological functions , which exists in multiple forms in vitro and in vivo .

得出了降低煤灰中高价的铝元素及高价过渡金属元素含量和提高低价活泼金属元素的含量都可以提高煤炭燃烧固硫效果。

The captured sulfur result may increase through decreasing high valence aluminum element and transition metals element content and increasing the low valence vivacious metal element content .