查询词典 Br.

The high-speed X-Ray tester ED-11 is institute of X-Ray Technologies Co., LTD aimed at RoHS restriction to excogitate that one high quality tester, and it is for China Electronic C of C request that according Chinese user can easy and fast to test. Our company is selling agent of ED-11 in China market.ED-11 is adopt X-Ray of W pole and Supper SDD technology that can test nocuous elements of (Cd/Pb/Cr/Br/Hg) within 100 second with highly sensitive speed.

我司代理销售的高速荧光X线测试仪ED-11是应中国电子商会的要求，以中国国内用户可以简单，迅速地进行RoHS检查为目的的装置，也是日本株式会社X线技术研究所针对ROHS指令所研发的一款高尖端测试仪，ED-11通过采用W电极的X射线管与Super SDD技术，能够以高灵敏度在100秒同时检测ROHS规定的有害元素(Cd/Pb/Cr/Br/Hg)的精确含量。

Results Rhobtb2 gene expression was observed in cell lines MCF-7、SK-BR-3 of * carcinoma , oophoroma , bladder carcinoma and stomach carcinoma but not in * ductal carcinoma cell linesT-47D.

结果 Rhobtb2基因在乳腺导管癌细胞株T-47D中表达缺失，在乳腺腺癌细胞株MCF-7、SK-BR-3及卵巢癌、宫颈癌、膀胱癌、胃癌细胞中均有表达。

Bismuth Oxyhalide Compounds, BiOX (X=Cl, Br, I) are new types of photocatalysts. They exhibit excellent photocatalytic properties due to layered crystal structure and suitable band gaps.

卤氧化铋，BiOX (X=Cl， Br， I)作为一种新型光催化剂，由于具有特殊的层状结构和合适的禁带宽度从而显示出优异的光催化性能。

The geometric and electronic structures of quadruply bonded metal dinuclear compounds M2Cl4(PMe3)4 (M=Cr, Mo, W) and Mo2X4(PMe3)4 (X=F, Cl, Br, I) have been investigated by means of density functional theory method with TZ2P-STO basis sets. It was shown that the title compounds can be accurately predicted by DFT included ZORA relativistic correction.

采用密度泛函理论方法，在TZ2P-STO基组水平下，对金属四重键化合物M2Cl4(PMe3)4 (M=Cr， Mo， W)和Mo2X4(PMe3)4 (X=F， Cl， Br， I)的几何结构进行优化，分析了电子结构，并运用TDDFT方法对其低占据激发态进行了计算。

Density Functional Theory Study on the Structures and Electronic Spectra of Quadruply Bonded Metal Compounds M2X4(PMe3)4 M=Cr, Mo, W; X=F, Cl, Br, I

篇名 金属四重键化合物M2×4(PME3)4 (M=Cr， Mo， W； X=F， Cl， Br， I)结构和电子光谱的密度泛函理论研究

The arylation showed high regioselectivity and only occurred on the less sterically hinderd ortho-C—H bond. The reaction could be compatible to diverse functional groups such as CH3, CH3O, and CH3CO, as well as Br and Cl substituents, which would permit to be functionalized further to construct new compounds with more complicated structures.

实验结果表明，反应表现出明显的区域选择性，芳基化只发生在空间位阻较小的sp2 C—H键上，反应可以采用多种取代基(如CH3O， CH3CO， Br和Cl)进行，这有助于通过进一步反应构建更为复杂的新化合物。

On the one hand, POMs have a very strong, approaching the superacid region, Br?

杂多酸是一种很强的Br？

The results showed that,when environment-friendly oil KT20 was used in NR and NR/BR compound,the properties of mix,physical properties and wet skid resistance of vulcanizate were similar to those by using the comparison samples;by using environment-friendly oil KT20,the rolling resistance of vulcanizate changed slightly compared with using 3527MES and TADE.

结果表明，在NR和NR/BR胶料中，填充环保油KT20与对比油的混炼胶性能、硫化胶的物理性能和抗湿滑性能相当；填充环保油KT20，3527MES和TDAE硫化胶的滚动阻力相差不大。在NR胶料中填充环保油KT20，硫化胶的耐磨性能优于对比油硫化胶。

The activated sludge autotrophic denitrifying BR process can realize stable operation after start-up and cultivation (mainly is endogenous denitrifying process) for 114d and the aerobic nitrifying sludge、anaerobic sludge、garden soil transudate as the inoculation sludge.

7以好氧硝化污泥、厌氧污泥、花园土壤渗出液为接种污泥，经过长达114天的启动培养阶段（以污泥的内源反硝化过程为主），自养反亚硝化活性污泥法BR工艺能够成功实现并稳定运行。

The results of genetic analysis, such as GC content, transition/transversion rate ratios, synonymous substitution rates, indicated that the br fragments with high level of genetic divergence are faced with both purifying selection and bias mutation pressure.

随后的遗传分析，包括GC含量、转换与颠换的比率、同义突变率分析，表明br基因间具有较高的遗传分歧程度，并面临着净化选择和偏倚突变压的双重抑制。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。