镧
1、一种银白色的柔软而有展性的三价金属元素,在潮湿空气中迅速失去光泽,生成无色化合物,它存在于稀土矿中,通常把它归在稀土族内,是混合稀土的一种主要成分 ——元素符号La。
排气系统上的接触反应器含有铈和镧。
The catalytic converter on your exhaust system contains cerium and lanthanum.
方法:镧示踪电镜法和干-湿重法。
METHODS: Lanthanum tracer electronic microscope method and drying wet method.
目的:探讨微量元素镧与龋病的关系。
Objective: To study the relation between microelement lanthanum and caries.
给出了一种含镧牙膏的配方。
A formula of toothpaste containing lanthanum salt was obtained.
柠檬酸镧给药组无明显作用。
No significant changes were found in lanthanum citrate groups.
对观察到的铬酸镧倾斜晶界进行了分析。
The analysis of tilt boundary observed in lanthanum chromates was made.
用低温燃烧合成法合成了铬酸镧纳米粉体。
Nano-powder of lanthanum chromites were synthesized by low-temperature combustion method.
说明:硝酸镧溶于水,在潮湿的空气中易潮解。
Description: Lanthanum Nitrate is soluble in water and moisture in wet air.
标准溶液也同样品一样加入相同量硝酸镧溶液。
The standard solution is added lanthanum nitrate solution as much as the sample.
目的分析镧产品中放射性与氯化稀土来源的关系。
Objective To analyze the relation between the radioactivity in Lanthanum products and the origins of re Chlorides.
目的探讨稀土三氯化镧对糖尿病大鼠炎症介质的影响。
Objective To investigate the effects of lanthanum chloride on serum inflammation media in diabetic rats.
对钴酸锶镧的结构、导电性及催化活性等进行了研究。
The structure, conductivity and catalytic activity of LaSr-Co-O have been studied.
而另一种稀土金属镧,则是混合动力车电池的主要原料。
Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
镧镨铈混合稀土(LPC)是新型专利成分的混合稀土。
Lanthanum praseodymium - cerium rare earth (LPC) was a patent composition.
搀杂氧化镧的硫酸钛经高温焙烧后制得一种新型固体酸。
A new type of solid acid was prepared by calcinations of titanium sulphate doped lanthanum oxide.
目的探讨镧亚慢性暴露对大鼠外周血常规检查指标的影响。
Objective To explore the effect of lanthanum subchronic exposure on peripheral blood cells index in rat models.
并非所有稀土元素都像钪、钇、镧加上14所谓的镧系元素那样稀少。
It is not as though the rare-earth elements-scandium, yttrium and lanthanum plus the 14 so-called lanthanides-are all that rare.
掺杂了氧化镧的硫酸钛经高温焙烧后制得新型固体酸催化剂。
A new type of solid acid was prepared by calcination of titanium sulphate doped with lanthanum oxide.
研究了镧掺杂对漏电特性的影响,以及肖特基势垒电流模型。
The effects of Lanthanum doping on leakage current characteristics were also studied by Shottky model.
某些镧合金及化合物的超导转变温度的增加与纯镧加压等当。
The increase of superconductive transition temperature in some compounds and alloys of Lanthanum is equivalent to applying pressure to Lanthanum.
举个例子,每辆丰田普瑞斯的镍合金电池里就有超过25磅镧族金属材料。
To give just one example, every Toyota Prius has over 25 pounds of lanthanum in its nickel-metal hydride battery.
一旦镧得到了电子,这一层就会稍稍上升,然后我们向下填一下镧系元素。
As soon as lanthanum takes that electron, this level rises ever so slightly, and then we jump down here and fill in the lanthanide.
在同样的氧化条件下,六硼化铈在空气中比六硼化镧容易氧化。
It seems that cerium hexaboride is more easily oxidized than lanthanum hexaboride under the same oxidation conditions.
结论镧离子对大肠杆菌基因组dna可能具有降解或交联作用。
CONCLUSION: Lanthanide ions affected degradation and crosslinking on genomic DNA of E. coli.
采用溶胶-凝胶法,按化学配比将锂元素掺入铬酸镧中制得粉末。
Li-doped lanthanum chromite powders in stoichiometric proportions were prepared by sol-gel process.
从…获悉你公司专门经营…,现愿与你公司建立业务关系。 镧。
We learn from … that your firm specializes in …, and would like to establish business relationship with you.
通过配料优化试验,找出了提高金属镧利用率及金属钐收率的方法。
The method of boosting the receive rate of metal Sm were found through the test of the optimize mixture material.
采用粉末冶金法制备了微米尺寸和准纳米尺寸的氧化镧粒子增强钼合金。
The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.
采用粉末冶金法制备了微米尺寸和准纳米尺寸的氧化镧粒子增强钼合金。
The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.