查询词典 alkali metal

The composition of the invention comprises: about 80 to about 99 weight percent lubricant; and about 1 to about 20 weight percent sodium or potassium alkali metal salt of a branched or unbranched aliphatic monocarboxylic acid having at least 8 carbon atoms.

本发明的组合物包括：大约80-99%重量的润滑剂；以及大约1-20％的具有至少8个碳原子的支链或非支链脂肪族一元羧酸的碱金属盐。

In addition, the invention further relates to a catalyzer combination used for polymerizing a conjugated dialkene monomer and the anions of an optional mono-vinyl aromatic hydrocarbon into a polydiene polymer having high and medium vinyl content. The catalyzer combination comprises an organolithium compound used as an anionic polymerization initiator, at least an alkali metal alkoxide compound expressed by the formula as a structure regulator.

此外，本发明还涉及一种用于将共轭二烯烃单体和任选的单乙烯基芳烃阴离子聚合成具有中高乙烯基含量的聚二烯聚合物的催化剂组合物，其包含作为阴离子聚合引发剂的有机锂化合物，和作为结构调节剂的至少一种式所示的碱金属醇盐化合物。

The alkali metal complexes containing oxadiazole ligand were synthesized and we found that the emission color was dependent on the central ion.

合成了含有噁二唑配体的碱金属配合物MOXD。我们发现配合物的发光颜色取决于中心金属离子，LiOXD是一个优良的蓝光材料，半峰宽是65nm，发射峰位在478nm，它也可以作为界面材料使用，起到和LiF相同的作用，即改善电子注入。

The finding comes from a team of Japanese researchers, who report in the March 4 issue of Nature that the hydrocarbon molecule picene, ordinarily a semiconductor, becomes a potential superconductor when interspersed with an alkali metal such as potassium or rubidium.

这项发现来自于日本研究人员。他们在3月4日《自然》杂志上撰文称，一种叫苉的烃类原本是半导体，但在其中扩散过碱金属后就会变成超导体。扩散钾以后，这种材料的临界温度是相对&暖和&的18K（-255℃）。

The products are porous solids with high specific surface area (83m^2/g for NaH) and pyrophoric in air. They are far more active than the commercial alkali metal hydrides.

该反应的产物是一类大比表面积(NaH的比表面积为83m^2/g)、多孔性固体粉末，在空气中可自燃。

A series of study was took out with charging coke and tuyere coke,such as thermal effect active,coal solution loss,mineral(TiO_2,Alkali metal) and slag-iron attack,so the solution loss of coke in BF with high Ti type vanadic titanomagnetite was understood.

对取自现场的入炉焦和风口焦进行了受热力作用、碳素溶损、矿物质侵入(TiO2、碱金属)、渣铁侵蚀等方面的研究，基本弄清了在高钛型钒钛磁铁矿冶炼条件下，焦炭在高炉内的蚀损情况。

The relationship between the ratio of intensity of the third vibronic band to that of the first vibronic band in pyrene monomer fluorescence spectrum and its environmental polarity is used to probe the effects of alkali-metal chlorides MCl(M+= Li+, Na+, K+) on the microenvironment of b-cyclodextrin cavity.

基于芘的单体荧光光谱振动结构与其所处环境极性的相关性，研究了碱金属氯化物对β-环糊精空腔微环境的影响。

Basing on the the best batch and the best parameters of heat treatment,we mainly investigates the quotiety and quality of deoxidized iron during the course of parent glass preparing according to the characteristic of batch; meanwhile, we discussed the effects of different kinds and contents alkali metal oxid on the glass-ceramic properties,and technics parameters of prepareing the glass-ceramic composite tube by centrifugal molding are also researched originally.

在获得镍渣—粉煤灰微晶玻璃的最佳配比以及最佳热处理制度的基础上，根据配料特点对玻璃熔制过程中铁的还原效果及还原质量进行了分析研究；着重探讨了不同类型、不同含量的碱金属氧化物对微晶玻璃性能的影响；同时也对微晶玻璃复合管的离心制备工艺进行了初步研究。

Polyarylene sulfide is disclosed, of which extract with methylene chloride is in an amount of not more than 0.7 % by weight, a melt viscosity V6 is 20 to 15,000 poises and a content of -SX groups is at least 15 micro moles/g, wherein X represents an alkali metal or a hydrogen atom.

被公开的是聚芳硫醚，其具有二氯甲苯提出物的最为不大于0.7％重量，熔体粘度V6为20～15000泊和－SX基的含量至少为15微摩尔／克，其中X代表碱金属或氢原子。

Thought the investigation of liquid waste containing alkali metal salts handled in fluidized bed incinerator.

通过含碱金属钠盐废水在流化床中焚烧处理的实验研究，发现最常用和廉价的添加剂为石灰石。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷