四价

Anlistatig is a tetravalent metal salts, ratherish in water, surface coating of the paper, the salts are available moisture from the air and reducing the paper surface, eliminating electrostatic resistance.

抗静电剂是一栽四价金属盐，易溶于火，涂布在纸张暗不天后，盐可从氛围洋汲取火分而降矮纸张暗不天的电阻，从而打消静电。

These results indicate that the tetravalent ions doped LiNbO3 will be the excellent nonlinear optical crystals.

这些实验结果表明，四价掺杂铌酸锂晶体有望成为出色的非线性光学晶体。

A gray tetravalent metallic element that resembles ''.'zirconium'.

一种灰色的四价金属元素，化学性质与''。

It was found that electrode coating was mainly composed of tetravalent tungsten oxide and nickel oxide by using XRD and EDS analysis.

通过阴极电沉积在钛基体上制备了掺杂Ni元素的WOX涂层电极，采用XRD、EDS分析认为涂层主要是四价钨的氧化物及镍氧化物的混合物。

A tetravalent atom, radical, or element.

四价原子，基团或元素

Biotinylated IGF-1 was complexed with tetravalent streptavidin and then bound to biotinylated self-assembling peptides.

首先用四价的抗生物素蛋白链菌素合成生物素化的IGF-1，然后和生物素化的自我组装的肽结合在一起。

Carbon is tetravalent.

碳是四价的。

An abundant nonmetallic tetravalent ''.

一种丰富的非金属四价''。

CITIC Securities report further pointed out that the companies within the next three years of seasonal influenza vaccine will be 2.5 billion in sales revenue, tetravalent meningitis vaccine revenues will reach 2 billion yuan, hepatitis B vaccine revenue at 1.2 billion yuan, will become the company's vaccines business The main driver of growth is forecast to the company in 2009 -2011 years of EPS were 0.87 yuan, 1.06 yuan and 1.41 yuan, to maintain the company "overweight" rating, target price of 44.55 yuan.

中信证券报告进一步指出，未来三年内公司季节性流感疫苗将达到2.5亿元的销售收入，四价流脑疫苗收入将达到2亿元，乙肝疫苗收入将达到1.2亿元，疫苗业务将成为公司高速增长的主要驱动力，预测公司2009年-2011年的EPS分别为0.87元、1.06元和1.41元，维持公司&增持&的评级，目标价为44.55元。

A method for producing fatty acid alkyl esters and/or glycerin comprising a step of bringing a fat or oil into contact with an alcohol in the presence of a catalyst, wherein the catalyst is at least one catalyst selected from the group consisting of the following to: a metal oxide having an ilmenite structure and/or a slyrankite structure; an oxide containing a metallic element belonging to the Group 12 and a metallic element belonging to the Group 4; a mixed oxide containing a metallic element belonging to the Group 12 and a tetravalent transition metallic element; a metal oxide containing zirconium and at least one metallic element selected from the group consisting of metallic elements belonging to the Groups 4, 5 and 8; and a metal oxide containing anatase type titanium oxide and/or rutile type titanium oxide, and the metal oxide containing a sulfur component of 700 ppm or less.

脂肪酸烷基酯和/或甘油的制造方法包括在催化剂的存在下使脂肪或油与醇接触的步骤，其中，所述催化剂是选自由下列～所组成的组中的至少一种催化剂：具有钛铁矿结构和/或斯里兰卡石结构的金属氧化物；含有属于第12族的金属元素和属于第4族的金属元素的氧化物；含有属于第12族的金属元素和四价过渡金属元素的混合氧化物；含有锆和选自由属于第4、5和8族的金属元素所组成的组中的至少一种金属元素的金属氧化物；和含有锐钛矿型氧化钛和/或金红石型氧化钛的金属氧化物，并且所述金属氧化物含有的硫成分为700ppm以下。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。