the hydrochloric acid was removed by evaporation in vacuo.
盐酸在真空蒸发中被除掉了。
the hydrochloric acid was removed by evaporation in vacuo.
盐酸在真空蒸发中被除掉了。
The hydrochloric acid cocculus tunbergii alkali is its muriate.
盐酸青藤碱是其盐酸盐。
conducting an experiment with zinc chips and hydrochloric acid
用锌片和盐酸做实验
Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.
该装置以盐酸和亚氯酸钠主要反
,
过反
放出二氧化氯气体。
Abstract: The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied.
摘 要: 研究五氯化锑及其盐酸溶液的水解过程。
produce crotonic acid ,pyrosulfuryl chloride,cinnamyl chloride,hydrochloric acid cinnamon piperazine,etc.
生产巴豆酸、焦磷酰氯、肉桂基氯、盐酸肉桂哌、双氟苯甲基哌
、丁酰氯等。
The assay of content of methoxyamine hydrochloric acid using phenolphthalein indicaor and NaOH as titrant was developed.
提出了以酚酞指示剂,氢氧化钠
滴定剂测定甲氧胺盐酸盐含量的方法。
Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.
以尿素和乙二料,在酸催化的条件下合成了甘脲,产率
61.8%。
Camphor oil was abstracted from the greenheart leaf by the steam-distil method and used as main component of corrosion inhibitor for hydrochloric acid cleaning.
用水蒸气-蒸馏法从樟树叶中提取桉叶油;
Iodimetry was applied to determine cysteamine products,2 mercapto thiazoline saturated cysteamine,and 2 mercapto thrazoline saturated hydrochloric solution(blank).
讨论了由噻唑啉水解法生产的巯乙胺产品中巯乙胺含量的测定方法。
This paper texted the process to prepare metadoxine from vitamine B6 hydrochloric acid salt ,pyroglutamic acid and isoproanol.
本文以维生素B6氯化氢盐、焦谷氨酸和异丙醇料,固相合成美他多辛,纯度达96.3%。
The corrosion potential of aluminium is measured in hydrochloric acid solution which contains sulfourea of different concentration at 25℃ and 35℃ by electrochemical method.
在25℃和35℃的条件下,用电化学方法,对铝在含有不同浓度硫脲的盐酸溶液中进行腐蚀电位测试。
The viscosity increaser of microcrystalline cellulase used in synthetic leather is prepared by using cotton pulp as raw material and waste hydrochloric acid as hydrolyst.
以棉浆料,废盐酸
水解催化剂,所得合成革用微晶纤锥素增粘剂的质量指标达到了德国和日本同类产品的标准。
UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.
UHMWPE对非氧化性酸(烯硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有两好的耐蚀性、两种材料都不耐强氧化性酸的腐蚀。
UHMWPE对非氧化性酸(烯硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有两好的耐蚀性、两种材料都不耐强氧化性酸的腐蚀。
UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.
Also Ke Jifa after resection of greater part of lack of masticatory obstacle, hydrochloric acid in gastric juice, stomach, bowel the disease such as verminosis suffers from.
也可继发于咀嚼障碍、胃酸缺乏、胃大部切除术后、肠道寄生虫病等疾患。
S-Methyl-isothiourea sulfate was oxidized by hydrogen peroxide to give methylsulfonyl chloride in 70% yield in aqueous hydrochloric acid solution.The product was characterized by 1HNNR and IR.
在盐酸介质中,利用双氧水氧化S-甲基异硫脲盐,合成了甲基磺酰氯,收率70%。
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