查询词典 bromide paper

In order to solve the problems of complex cellulose production process and serious pollution, The paper investigated the solubility of cotton stalk cellulose in ionic liquid N-ethyl pyridinium bromide. The structural differences between cotton stalk cellulose and cellulose regenerated from the ionic liquid were investigated using infrared spectroscopy and chemical analysis. Recovery ratio of ionic liquids was also studied.

为解决纤维素生产加工过程复杂且污染严重问题，试验探讨了棉秆纤维素在离子液体溴代N-乙基吡啶中的溶解性能，采用红外光谱等手段对棉秆纤维素在离子液体中溶解和再生前后的结构变化进行了分析，并探讨了离子液体的回收。

Through a study of the corrosion inhibition by polyarcylic acid and dodecylbenzyldimethyl ammonium bromide for pure iron in HCl solution, this paper presents the development of a new method not only for the rapid evaluation of the efficiency of a corrosion inhibitor, but also for the quantitatively determination of the type of corrosion inhibitor.

研究了聚丙烯酸、苯扎溴铵在工业纯铁／盐酸体系中的缓蚀性能，推导了一种既能快速测出腐蚀缓蚀剂的缓蚀效率又能确定腐蚀缓蚀剂类型的新方法，定义了能够确定腐蚀缓蚀剂类型的因子P。

Respectively proceeding with bromine complexing agent of anode, modified membrane and electrolytic additive of cathode, mainly referring to specific power of battery, ratio of self-discharge and zinc dendrite, this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves, and the influences of electrolytic additive(NH4+, OP-10, TX-10 and dodecyl trimethyl ammonium bromide) on zinc dendrite by means of current-time curve and microscopic morphology observation.

本文分别从正极溴络合剂、隔膜改性和负极的电解液添加剂入手，以电池的比能量、自放电率以及锌枝晶生长情况为主要的性能指标，用电池充放电曲线等方法研究不同正极添加剂和隔膜改性对电池比能量的影响；用电流-时间曲线以及微观形貌观察等方法研究电解液添加剂(NH_4~+、OP-10、TX-10以及十二烷基三甲基溴化铵)对锌枝晶生长的影响。

Goods which are covered or packaged with impervious materials like plastic, aluminium foil, tar red or waxed paper must be opened, cut or removed to allow penetration of the methyl bromide.

对于一些用不透气的材料(如塑料、铝箔、油纸或蜡纸)包装的货物，熏蒸前应切开或除去包装，以使溴甲烷能够充分穿透货物。

Goods which are covered or packaged with impervious materials like plastic, aluminium foil, tarred or waxed paper must be opened, cut or removed to allow penetration of the methyl bromide.

对于一些用不透气的材料(如塑料、铝箔、油纸或蜡纸)包装的货物，熏蒸前应切开或除去包装，以使溴甲烷能够充分穿透货物。

N-methylmaleimide was prepared by using dimethyl sulfate as methylation reagent.The paper investigated the addition of N-methyl-3,4-dibromomaleimide and indolylmagnesium bromide,and then 2-bromo-3-(1H-indolyl-3-yl)-N-methylmaleimide and 3,4-bis(1H-indolyl-3-yl-)-N-methyl-maleimide were obtained.

对吲哚在溴乙烷和镁作用下生成吲哚溴化镁，而后与3，4－二溴－N－甲基马来酰亚胺的加成反应进行了研究，合成了2－溴－3－(1H－吲哚－3)－N－甲基马来酰亚胺，并对反应条件进行了改进，研究了反应温度和原料配比对反应的影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。