溴化钠
- 名sodium bromide
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测量了当溴化钠质量百分比浓度分别为0.24、0.17和0.08时该体系一系列温度(T)下共存两相的折射率(n),得到了T-n共存曲线。
The refractive index measurements have been carried out at 0.24 、 0.17 and 0.08 mass fraction of sodium bromide .
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溴化钠水溶液体系中煤的电化学脱硫
Sulfur removal from coal by electrolysis in sodium bromide solution system
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本文研究了以0.5M溴化钠为支持电解质、N,N&二甲基甲酰胺(DMF)为溶剂的体系中电解法合成二茂铁的主要条件。
In the paper primary conditions of electrolytical synthesis of ferrocene were studies in this system , 0.5M NaBr used as supporting electrolyte , N. N-dimethylformamide ( DMF ) as solvent .
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对以溴化钠为助剂的碱性分子筛KY催化剂上的甲苯与甲烷氧化甲基化合成苯乙烯和乙苯(C8)进行了研究。
The oxidative methylation of toluene with methane to ethylbenzene and styrene has been investigated over NaBr promoted KY zeolite catalyst . Only KY zeolite showed very low C 8 yield and selectivity .
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电渗析法处理溴化钠废水溶液的研究
The study of electrodialysis process for treating the sodium bromide wastewater
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加溴化钠于溴中除氯;
Chlorine is removed by adding sodium bromide to bromine ;
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嗪草酮废水处理及副产溴化钠的回收
Treatment of Metribuzin Waste Water and Retrieval of Sodium Bromide
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溴化钠紫外导数分光光度法测定微量铅
Ultraviolet derivative spectrophotometry for the determination of trace lead with bromine sodium
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多硫化钠&溴化钠氧化还原液流电池研究
Study on sodium polysulfide / bromide redox flow cell
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水+3-甲基吡啶+溴化钠三元溶液临界跨接现象
Critical Crossover Phenomena in Ternary Solutions of Water + 3-methylpyridine + Sodium Bromide
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溴化钠对大鼠甲状腺碘代谢的影响
Effect of sodium bromide on iodine metabolism in the thyroid gland of rats
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离子交换树脂法直接从卤水中制备溴化钠工艺研究
Preparation of NaBr with anion exchange resin from Brines
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溴化钠和过硫酸钾催化下马来酸单甲酯的构型转化反应
Isomerization of Monomethyl Maleate Catalyzed by the Combination of Sodium Bromide and Potassium Persulfate
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汽液平衡法研究溴化钠在水-乙醇混合溶剂中的活度系数
Study of Activity Coefficient for Sodium Bromide in Water-Ethanol System by Vapor-Liquid Equilibrium Measurements
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以溴化钠为溴源,氧气为氧化剂进行的苯甲醚的催化氧化溴代反应。
The oxybromination of anisole was investigated with sodium bromide as bromo source and oxygen as oxidant .
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本工作应用表面分析技术研究了工业纯钛在溴化钠溶液中的孔蚀引发过程。
The pit initiation process on commercially pure titanium in bromide solution was investigated by means of surface analysis .
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本论文用折射率法研究了水+3-甲基吡啶+溴化钠三元溶液的临界跨接现象。
The critical phenomena of water + 3-methylpyridine + sodium bromide have been studied by measuring refractive indexes in two coexisting phases .
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以乙酸作溶剂,乙酸钴-溴化钠为复合催化剂,对硝基甲苯空气氧化制备对硝基苯甲酸。考察了压力、催化剂用量、反应温度、母液套用对反应的影响。
P-Nitrobenzoic acid is prepared by oxidizing p-nitrotoluene with air in acetic acid using cobaltous acetate and sodium bromide as composite catalyst .
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在存在硫酸铜、溴化钠和硫酸的情况下,用甲基从组织匀浆中萃取甲基汞。
Methylmercury was extracted from the homogenized tissue with toluene in the presence of copper sulfate , sodium bromide and sulfuric acid .
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通过气相色谱仪和气相色谱-质谱联用仪确定了某制药厂用回收的溴化钠生产的溴乙烷中所含杂质的具体成分及其含量。
The content and ingredient as well as origins of impurity in bromoethane made from dregs of bromine at a pharmaceutical manufacturer was analysed through GC and GC-MS.
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这些结论清楚地表明,该疫情很有可能是溴化物中毒所致,途经是使用了被溴化钠高度污染的食盐。
These findings provide a clear indication that this outbreak is very likely due to bromide poisoning which occurred through use of table salt highly contaminated with sodium bromide .
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以2-乙酰基苯并咪唑和溴化钠为原料,在光照条件下用氯气置换出溴化钠中的溴素,合成兽药噻苯咪唑中间体-2-(二溴乙酰基)-苯并咪唑氢溴酸盐。
Using 2-acetyl benzimidazole and sodium bromide as raw material , 2 - ( dibromine acetyl ) - benzimidazole hydrobromate was synthesized with the new bromine that displaced by chlorine gas in light .
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在此基础上,我们对几种卤化物作了比较试验,发现加入溴化钠对测定锡的灵敏度最高。
On the basis of this , from the comparative experiments of several halogenides , we have found that the addition of sodium bromate has the highest sensitivity effect in the determination of tin .
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由盐酸、盐酸羟胺、溴化钠、吡啶制得盐酸复合催化剂.使用盐酸复合催化剂合成四聚乙醛,替代了使用单一盐酸催化剂的传统合成方法。
The traditional way of synthesizing metaldehyde from single hydrochloric acid catalyst was replaced by a compound hydrochloric acid catalyst , which was prepared through hydrochloric acid , hydroxylamine hydrochloride , sodium bromide , pyridine .
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另外,日内瓦(瑞士)和慕尼黑实验室也发现从患者家庭中收集的食盐样本中的溴化钠含量极高(>80%)。
In addition , laboratories in Geneva ( Switzerland ) and Munich have detected very high levels of sodium bromide ( > 80 % ) in table salt samples collected in the households of patients .
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本文采用带长链结构的十六烷基三甲基溴化铵对钠基蒙脱土进行了有机化处理,并采用FTIR、XRD等手段对有机粘土的结构与性质进行了表征。
Na-MMT was modified with hexadecyltrimethylammonium bromide . The structure of organic MMT obtained was then characterized by FTIR and XRD .
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主要结论如下:首先采用长链季铵盐阳离子表面活性剂十二烷基-二甲基-苄基溴化铵对钠基蒙脱土进行有机化处理,制得有机蒙脱土。
The main conclusion is as follows : Firstly , uses the long chain quaternary ammonium salt positive ion surface active agent lauryl-dimethyl-phenmethyl ammonium bromide to carry on organizing processing to the sodium base montmorillonite clay , makes the organic montmorillonite clay .
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四丁基溴化铵和甲醇钠构成该反应的双组份催化剂。
Tetrabutyl ammonium bromide and sodium methoxide were used as catalyst for the reaction .
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四丁基溴化铵、硫酸钠和氯化钠水溶液对初生膜改性同样具有提高通量和降低表面粗糙度的作用。
The aqueous solution containing tetrabutyl ammonium bromide ( TBAB ), sodium chloride or sodium sulfate had the same effect on enhancing flux and decreasing surface roughness as TEDA-CSA aqueous solution .
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总体看来,溴化钙的氧化效果比溴化钠好。
Overall , the oxidation of calcium brominate is better than brominate sodium .