卤

Photocatalytic activities of bismuth oxyhalide compounds are improved by doping and modifications. By designing of the crystal structures and energy band gaps, highly efficient photocatalysts of bismuth oxyhalide compounds can be obtained.

借助于掺杂改性，卤氧化铋的光催化性能得到进一步改善；通过晶体结构和能带结构的设计合成可以得到高活性的卤氧化铋化合物光催化剂。

Bismuth oxyhalide compounds show better photocatalytic activities than TiO2 (P25). With the increasing of X atomic numbers, photocatalytic activities of BiOX are enhanced in sequence.

卤氧化铋的光催化活性普遍优于商品TiO2 (P25)的光催化活性，并且随着卤素原子序数的增加光催化活性逐渐增强。

By designing of the crystal structures and energy band gaps, highly efficient photocatalysts of?bismuth?oxyhalide?compounds?series?can be obtained . Finally the trend of lated research is prospected.

借助于掺杂改性，卤氧化铋的光催化性能得到进一步改善；通过晶体结构和能带结构的设计合成可以得到高活性的卤氧化铋化合物光催化剂。

The upconversion luminescence spectra of Tm~ 3+/Yb~ 3+-codoped oxyhalide tellurite glasses have been investigated, and the action mechanisms of Tm_2O_3 content on upconversion luminescence of Tm~ 3+/Yb~ 3+-codoped oxyhalide tellurite glasses were analyzed.

研究了Tm3+/Yb3+共掺氧卤碲酸盐玻璃的上转换发光光谱，分析了Tm2O3含量对Tm3+/Yb3+共掺氧卤碲酸盐玻璃上转换发光的影响机理。

In this paper, aiming at solving the problem of interface and flame retardancy, on the base of our previous work, we prepared the flame retardant through the reaction of melamine and polyphosphoric acid. FTIR, XRD, DSC, DMA and SEM were used to characterize the interface and properties.

为了解决玻纤增强尼龙的界面及阻燃性能，本文采用无卤阻燃剂聚磷酸蜜胺盐MPP来制备高性能无卤阻燃玻璃纤维增强尼龙66，用FTIR，XRD，DSC，DMA和SEM等手段对材料的界面和性能进行表征。

A compound of formula wherein R1 is hydrogen, halo or methoxy; R2 is hydrogen, halo, methyl, ethyl or methoxy; R3 is carboxy, tetrazolyl, or -CONHSO2R where R is methyl, ethyl, phenyl, 2,5-dimethylisoxazolyl or trifluoromethyl; T is -CH2- or -SO2-; and ring A is 3-chlorophenyl, 4-chlorophenyl, 3-trifluoromethylphenyl, 3,4-dichlorophenyl, 3,4-difluorophenyl, 3-fluoro-4-chlorophenyl, 3-chloro-4-fluorophenyl or 2,3-dichloropyrid-5-yl; or a pharmaceutically acceptable salt or prodrug thereof, as well as pharmaceutical compositions containing them are described and claimed.

本发明涉及一种式化合物，其中R 1 是氢原子、卤素或甲氧基；R 2 是氢原子、卤素、甲基、乙基或甲氧基；R 3 是羧基、四唑基或－CONHSO 2 R 4 ，其中R 4 是甲基、乙基、苯基、2，5－二甲基异∴唑基或三氟甲基；T是－CH 2 －或－SO 2 －；环A是3－氯苯基、4－氯苯基、3－三氟甲基苯基、3，4－二氯苯基、3，4－二氟苯基、3－氟－4－氯苯基、3－氯－4－氟苯基或2，3－二氯吡啶－5－基；或其药用允许的盐或前药，还包括所阐述和要求权利的含有它们的药用组合物。

He brined his turkey and I didn't brine mine. And we decided which one was the best.

他卤了只火鸡，但我的火鸡没有卤，我们俩看谁做的火鸡最好吃。

Observations on embryonic stage and nuclear number The embryonic development stage of encysted embryos of four Artemia populations from Qinghai-Tibet Plateau was studied with paraffin section method, and the nuclei numbers of encysted embryos were estimated by counting nuclear on squashed preparations.

不同种群卤虫卵卵壳结构的观察比较利用扫描电镜和透射电镜对七个种群(GH、AQK、山西解池SIN、山东埕口盐场CK、西藏、新疆鲸鱼湖、西藏拉果错湖LGC)的卤虫卵的卵壳结构进行观察。

The results showed that the calculated boiling points are in good agreement with the experimental data,and the mean relative deviation was 1.18%for 53 halogenated propanes.

探讨了卤代丙烷沸点的变化规律，发展了一种直接根据分子结构信息计算和预测卤代丙烷沸点的方法。

With increasing ecological and environmental concerns,the use of halogenated flame-retardants are being limited and halogen-free alternatives will be developed rapidly.

随着人们环保意识的不断提高，卤系阻燃剂的毒性问题受到越来越多的关注，阻燃剂无卤化已经成为必然趋势。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐