查询词典 bromide

Based on the optimal simulation, a comparison of the normal lithium bromide triple-effect absorption cycle with series solution circuit and the same cycle with an additional vapor compression device has been carried out.

在循环优化计算的基础上，对基本型直燃式串联三效溴化锂吸收式制冷循环和带蒸汽压缩装置的三效制冷循环进行了对比分析。

For example, pulverized wood samples can be treated with acetyl bromide in acetic acid, and the absorbance of the resulting solution at 280 nm can be compared with the absorbance obtained from known lignin standards.

例如，将木屑样品在乙酸环境下与乙酰溴进行反应，再将280纳摩尔所得溶液的吸收率与已知的木质素标准吸收率进行比较。

Penicillin G sulphoxide is esterified by N,N′-bistrimethylsilyl urea under the temperature 55℃ with a molar ratio 2.5∶1 between BSU and sulphoxide,and the ester obtained is ring-enlarged in the toluene under refluxing with the exist of catalyst-pyridine acetyl bromide.

摘 要 本文在制得青霉素G亚砜的基础上，完成了重排酸的扩环反应，重点探讨了扩环反应的最优化条件。青霉素G亚砜与N，N′-双脲在55℃下反应，得到亚砜的酯化物。

Besides, n-butyl and sec-butyl tosylate that are difficult for oxidative addition can react with phenylmagnesium bromide to form corresponding cross-coupling products. Primary alkyl halide which contains β-hydrogen and is relatively hard to undergo the reaction , n-butyl chloride for instance, can react with aryl Grignard reagents in the presence of NiB alloy as well.

此外，难以进行氧化加成的对甲苯磺酸正丁酯和对甲苯磺酸仲丁酯可以与苯基溴化镁作用生成相应的交叉偶联产物；反应相对困难的含β-H的伯卤烷，如：正氯丁烷也可以在NiB催化下与芳基格氏试剂发生偶联。

When proper amount of tetraethyl ammonium bromide is added to anode, specific energy of the battery could go up to 46.8Wh/kg.

当在电池的正极中添加适量的含四乙基溴化铵的混合添加剂时，电池的比能量高达46.8 Wh／kg。

The experimental results indicate that:As an anode additive, tetraethyl ammonium bromide can perfectly complex with bromine.

实验结果表明：(1)四乙基溴化铵作为一种正极添加剂能很好地与溴络和。

The cationic surfactant cetyltrimethyl ammonium bromide was used to modify the surface of the supported nano bimetal alloy.

将十六烷基三甲基溴化铵用于负载型纳米二元合金的表面改性，改性后的材料对TCE的还原脱氯性能提高。

Next, the oxidative refolding of denatured-reduced Lysozyme in presence of cetyltrimerthyl ammonium bromide and β-cyclodextrin were investigated.

接着研究了去污剂十六烷基三甲基溴化铵和β-环糊精的人工分子伴侣体系对变性-还原溶菌酶的氧化复性效果。

Static adsorption experiments were carried out to investigate the adsorption of sodium dodecyl benzene sulfonate and cetyltrimethyl ammonium bromide on soils, and to analyze the effect of surfactants on sorption of diesel oil.

通过静态吸附实验，研究土壤对十二烷基苯磺酸钠和十六烷基三甲基溴化铵的吸附行为，探讨表面活性剂对柴油吸附的影响。

Methods:The resonance light scattering spectrum of cetyltrimethyl ammonium bromide in alkaline medium was enhanced significantly in the presence of CuS/S~(2-) solution.

共振光散射技术是近年发展起来的一种新的分析技术，它具有简便快速、灵敏度高的特点，已用于痕量Cu元素的分析[1]。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。