甲醇鈉 的英文怎麼說
中文拼音 [jiǎchúnnà]
甲醇鈉
英文
sodium methoxide-
The recycling technology of sodium formate by - product of neopentyl glycol
新戊二醇副產甲酸鈉回收利用工藝The experimental results showed that when sodium methoxide were joined, the yield of methyl carbamate as a intermedium was clearly increased., and even made clearly that the reaction was divided into two steps
實驗表明,通過引入少量的甲醇鈉,使中間產物氨基甲酸甲酯的產率有明顯提高,進而表明尿素醇解是分兩步進行的。Sodium methoxide powder 99 % min
粉末狀甲醇鈉Determination of content of sodium methoxide and its solubility in tetrahydrofuran by micro - titration
微量滴定法測定甲醇鈉含量及其在四氫呋喃中的溶解度In the function of sodium methoxide, several factors effecting on alcoholysis of urea by zinc oxide catalyst were obtained
探討了在甲醇鈉作用下,氧化鋅催化尿素醇解的影響因素。Afterwards, the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method. the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir, uv spectrum, tg and dsc respectively
然後,用甲醇鈉非水滴定法測定丙交酯中殘存乳酸,卡爾-費休法測定丙交酯中殘存水的含量,用提勒管測定精製丙交酯熔點,用紅外吸收光譜、紫外光譜、差熱分析對合成的丙交酯以及回收的丙交酯進行表徵。We specialize in chemical material s, including 1, 4 - butanediol, tetrahydrofuran, ptmeg, polyvinyl alcohol series, sodium diacetate, glacial acetic acid, dibutyl phthalate, methyl acetate, ethyl acetate, n - butyl acetate, - butyrolactone, polyvinyl acetate emulsion series, pentaerythritol, redispersible emulsion, anhydrous sodium acetate and methanol
公司主要經營的產品有: 1 , 4 -丁二醇,四氫呋喃, ptmeg ,聚乙烯醇系列,雙乙酸鈉,冰醋酸,鄰苯二甲酸二丁酯,醋酸甲酯,醋酸乙酯,醋酸丁酯, -丁內酯,白乳膠系列,季戊四醇,可再分散性乳膠,無水醋酸鈉,甲醇。Thiourea dioxide, sodium percarbonate, furfuryl alcohol, furfural, thiourea, melamine, 2 - ethyl anthraquinore, titanium dioxide rutile and anatase, hydroxythyl methyl cellulose, hydroxypropyl met
二氧化硫脲,甲脒亞磺酸, fas紙漿漂白劑,過碳酸鈉,糠醇,糠醛,硫脲,Thiourea dioxide, sodium percarbonate, furfuryl alcohol, furfural, thiourea, melamine, 2 - ethyl anthraquinore, titanium dioxide rutile, titanium dioxide anatase, hydroxythyl methyl cellulose, hydr
二氧化硫脲,甲脒亞磺酸, fas紙漿漂白劑,過碳酸鈉,糠醇,糠醛,硫脲,四乙酰乙二胺。The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對石墨在水中分散性和穩定性的影響。The effect of carboxy methyl cellulose, high ester pectin and propy leneglucolalginate were significant, and we experienced the synergic effect of them by positive cross assay
增稠劑羧甲基纖維素鈉、高酯果膠及藻酸丙二醇酯能夠顯著提高調酸果奶的穩定性,並通過正交試驗進行增稠劑的復配。The results showed that the acidic juice - milk could preserved stablely by adding multiple stabilizer consisted of 0. 14 % high ester pectin, 0. 20 % sodium carboxy methyl cellulose, 0. 175 % propy leneglucolalginate, 0. 12 % sodium citrate
結果表明:添加0 . 14 %高酯果膠、 0 . 20 %羧甲基纖維素鈉、 0 . 175 %藻酸丙二醇酯復合增稠劑與0 . 12 %檸檬酸鈉,可使調酸果奶達到良好的穩定效果。Dihydroxybenzyl alcohol is synthesized from 3, 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method
摘要以3 , 5 -二羥基苯甲酸為原料,經酰化、硼氫化鈉還原體系還原,合成了3 , 5 -二羥基苯甲醇。Abstract : cetirizine hydrochloride was synthesized from chlorobenzene and benzoyl chloride by the friedel - crafts reaction , reduction, and chlorination followed by condensation with piperizine, 2 - chloroethanol and sodium chloroacetate in turn in 28. 2 % overall yield based on chlorobenzene
文摘:以氯苯和苯甲酰氯為起始原料,經付克反應、還原、氯化,再分別與哌嗪、氯乙醇、氯乙酸鈉縮合,成鹽制得鹽酸西替利嗪,總收率為28 . 2 %Caustic methanol solution
苛性鈉甲醇溶液In the paper, blend composed membranes with different ratio of pva and sa have been prepared supported by hollow fiber ultrafiltration membrane of polysufone. the characterization of the blend membranes has been studied in the dehydration of methanol, isopropanol, n - butanol and tert - butanol. the influencing factors of operating temperature, feed concentration, and feed speed rate have been researched
此外,實驗中還制備聚乙烯醇與海藻酸鈉聚丙烯腈平板復合膜,分別對甲醇、乙醇進行滲透汽化脫水實驗,發現以聚丙烯腈為底膜的平板復合膜的分離因子比聚碸為底膜的中空纖維復合膜的高。分享友人