查询词典 reagent

A series of organic reversible thermochromic materials are prepared using bromocresolpurple as chromophoric reagent,aromatic compound with hydroxyl(hydroquinone,bisphenol A,1-naphthol)as delomorphic rea- gent and hexadecanol as solvent.

以溴甲酚紫为发色剂，含羟基的芳香族化合物(对苯二酚、双酚A和1-萘酚)为显色剂，十六醇为溶荆制备了有机可逆热变色材料。

A kind of pellet desulfurization reagent made by pulverized coal ash and slaked lime was filled in the fixed-bed and the simulated moving-bed. The desulphur and dust collection performance of the reactor were studied.

本文研究了以粉煤灰、消石灰和石膏制备的粒状脱硫剂，在固定床和模拟移动床实验装置中对粒状脱硫剂层的脱硫和除尘性能进行了实验。

A kind of pellet desulfurization reagent made by pulverized coal ash and slaked lime was filled in the fixed-bed and the simulated moving-bed. The desulphur and dust collection performance of the reactor were studied.

中文题名颗粒床脱硫和除尘的研究副题名外文题名 Studies on desulphurization and dust collection by the granular bed 论文作者黄学敏导师马广大教授学科专业环境工程研究领域\研究方向学位级别博士学位授予单位西安建筑科技大学学位授予日期2001 论文页码总数79页关键词脱硫烟气除尘烟气脱硫颗粒床馆藏号BSLW /2003 /X701 /13 本文研究了以粉煤灰、消石灰和石膏制备的粒状脱硫剂，在固定床和模拟移动床实验装置中对粒状脱硫剂层的脱硫和除尘性能进行了实验。

Flotation reagent ; desulphuration and deashing ; selectivity ; coal pyrite

浮选药剂；脱硫降灰；选择性；煤系黄铁矿

When diethyl carbonate was used as transesterification reagent,the convertion of phenol and the yield of DPC had improved,but the extant was small.

以碳酸二乙酯为酯交换试剂，苯酚的转化率和DPC的产率都有所提高，但提高的幅度不大。

Methods Glutaric dialdehyde was prepared from benzimidazolium salt and saturated dihalide by the addition-hydrolysis reaction of benzimidazolium salt with Di-Grignard reagent.

方法以苯并咪唑盐和二卤代烷为原料，利用苯并咪唑盐与双Grignard试剂的加成水解反应合成戊二醛。

Studing on samarium diiodide promoted asymmetric intramolecular reducing coupling reactions, we have made the resolution of the racemic biaryl dials by using enantiomeric N-tert-butanesulfinamine as the resolving reagent successfully and thus obtained a series of axially chiral biaryl dials with high enantiomeric excess.

中文摘要在二碘化钐促进的分子内不对称还原偶联反应中，我们不仅对联芳基二醛底物的合成路线进行了优化，还发现N-叔丁基亚磺酰胺辅基可以作为手性试剂，成功地对联芳基骨架二醛化合物进行拆分，得到高对映体过量的轴手性二醛类化合物。

A new method for determination of Pd using precipitation separation by butanedione dioxime as a selective reagent and complexometic titration EDTA released from EDTA-Pd complex was established.

建立了丁二肟选择性沉淀分离和析出EDTA-Pd络合物中的EDTA，Pb(NO3)2返滴定测定Pd的新方法，系统地研究了在硝酸或盐酸介质中测定Pd的条件，并对比了本法与《国家标准》分析方法的结果。

Using diphase emulsion to make bovine albumin microcapsuals with hydroxy proprl methyl celluloxe phthalate and CMC-Na,Gelatine,chitosan as dispersed phase;Designing test with single factors method and studying effection of the wrap material,reagent of emulsification,hydrophilic colloid of protection...

分别用羧甲基纤维素钠、明胶、壳聚糖作分散质，复相乳液法制备HPMCP的BSA微胶囊；采用单因子设计试验，研究了壁材、乳化剂、分散质浓度对微胶囊包裹量的影响。

Using diphase emulsion to make bovine albumin microcapsuals with hydroxy proprl methyl celluloxe phthalate and CMC-Na, Gelatine, chitosan as dispersed phase; Designing test with single factors method and studying effection of the wrap material, reagent of emulsification, hydrophilic colloid of protection on the methods for testing the protein envelopment quantum of HPMCP Microcapsuals.

分别用羧甲基纤维素钠、明胶、壳聚糖作分散质，复相乳液法制备HPMCP的BSA微胶囊；采用单因子设计试验，研究了壁材、乳化剂、分散质浓度对微胶囊包裹量的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。