the hydrochloric acid was removed by evaporation in vacuo.
真空蒸发中被除掉了。
the hydrochloric acid was removed by evaporation in vacuo.
真空蒸发中被除掉了。
The hydrochloric acid cocculus tunbergii alkali is its muriate.
青藤碱是其
。
conducting an experiment with zinc chips and hydrochloric acid
用锌片和做实验
Hydrochloric acid and chlorous natrium are used as primary reactant to give out the gas of chlorine dioxide.
该装置以和亚氯
钠为主要反应物,通过反应放出二氧化氯气体。
Abstract: The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied.
摘 要: 研究五氯化锑及其溶液的水解过程。
produce crotonic acid ,pyrosulfuryl chloride,cinnamyl chloride,hydrochloric acid cinnamon piperazine,etc.
巴豆
、焦磷酰氯、肉桂基氯、
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.
提出了以酚酞为指示剂,氢氧化钠为滴定剂测定甲氧胺含量的方法。
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.
以尿素和乙二醛为原料,催化的条件下合成了甘脲,
率为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的巯乙胺
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.
本文以维素B6氯化氢
、焦谷氨
和异丙醇为原料,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.
25℃和35℃的条件下,用电化学方法,对铝
含有不同浓度硫脲的
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.
以棉浆为原料,废为水解催化剂,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
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(烯硫
、硝
及浓度较大的
、磷
、氢氟
、甲
、乙
)、氨和胺及各种碱、
溶液都有两好的耐蚀性、两种材料都不耐强氧化性
的腐蚀。
UHMWPE对非氧化性(烯硫
、硝
及浓度较大的
、磷
、氢氟
、甲
、乙
)、氨和胺及各种碱、
溶液都有两好的耐蚀性、两种材料都不耐强氧化性
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、胃缺乏、胃大部切除术后、肠道寄
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.
介质中,利用双氧水氧化S-甲基异硫脲
,合成了甲基磺酰氯,收率70%。
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