查询词典 rare earth element

Experiments of the influence of rare earth element Lanthanum on the growth, chlorophyll a and oxygen production of cyanobacterium Anabaena azollae have been carried out.

对稀土元素镧对满江红鱼腥藻的生理影响和满江红鱼腥藻对镧的富集作用进行了研究。

The effect of rare-earth element on carburization of 20MnTiB steel has been studied.

本文对稀土在20MnTiB钢渗碳过程中的作用进行了探讨。

This text aims at the upper reaches of Ganjiang River in the southern Jiangxi Province as the research object, analyzes the distribution and fractionation of dissolved Rare Earth Element in the water, and discusses the origins of the water DREE signatures.

其中利用VG Axiom高分辨多接受双聚焦等离子体质谱仪测定了水体中溶解态稀土元素的含量，文中按照水体化学特征的差异性将采样区划分为四个次一级的区域(支流A区、支流B区、支流C区和干流D区)，并分别讨论了各区中稀土元素的地球化学特征。

The investigation results show that, doped by the rare earth element, the photoemission current of the BaO thin film increases about 50%.

研究结果表明，掺入稀土元素可使真空沉积制备的BaO薄膜的光电发射能力提高约50％。

The distribution and fractionation of Rare Earth Element are the base for their usage as trace elements.

稀土元素在环境中的分布分异机制，是研究其作为地球化学示踪剂的重要基础和必要前提。

Effects of rare earth element ceriumin two dosages and administration ways on gonad of male mice were studied.

研究两种剂量铈和两种染毒方法对雄性小鼠性腺的影响。

A inoculant containing rare earth element could The experimental results show that the addition of reduce the undercooling, the chilling tendency, hardness and blowhole formation tendency of the cast iron, and increase its tensile strength.

结果表明：含稀土元素的孕育剂可以降低铸铁的过冷度及形成白口的倾向性，能降低硬度及形成气孔的倾向性，可以提高铸铁的抗拉强度。

The influence of one of rare earth element lanthanide on the organic chromium accumulation of grifola frondosas was investigated.

本文在部分文献的基础上研究了稀土元素之一的镧元素对灰树花菌丝体富集有机铬的影响。

Experimental result makes clear, transfer metal, heavy metal and rare-earth element adulteration can be on different level the smooth catalysis performance that affects film, among them, v, ag, ce element adulteration can make the degradation rate of smooth catalysis 120 Min rises 10% above.

实验结果表明，过渡金属、重金属及稀土元素掺杂可在不同程度上影响薄膜的光催化性能，其中，V，Ag，Ce元素掺杂可使光催化120 min的降解率提高10%以上。

The results showed that the combination of rare earth element La and transition element Ti is advantageous to the bonding state between diamond particles and matrix. So it can improve the materials properties.

经X射线衍射分析发现，合金粉中的活性La、Ce能够还原Ti颗粒表面的氧化物薄膜，提高了Ti的活性，从而促进了Ti和金刚石的反应。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了