磺化反應 的英文怎麼說
中文拼音 [huánghuàfǎnyīng]
磺化反應
英文
sulfonation reaction-
Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation
摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料，通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。Study on the sulfonation reaction of lignin from black liquor of alkali paper - making with bagasse
堿法蔗渣制漿黑液木質素磺化反應研究Optimization on ammonolysis in manufacturing method of taurine
牛磺酸生產工藝中氨解反應條件的優化Methods cefsulodin was prepared, taking phenylacetic acid as the starting material, followed by sulfonation, resolution, acylation, amidation and substitution, in 5 steps totally
方法以苯乙酸為原料，經磺化、拆分、酰化、酰胺化和取代五步反應合成頭孢磺啶。Abstract : using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. the yields are good with high purity
文摘:研究了氨基磺酸催化酯化合成乙酸芐酯和乙酸苯乙酯。此工藝反應時間短、能耗低、產品純度高、產率良好、無三廢污染，優于文獻方法。Using sodium dicyandiamide and saccharin as raw materials, tribenuron - methyl is synthesized via ring - opening reaction, phosgenation and condensation with total yield of 57. 0 % and product purity of 95. 6 %
以雙氰胺鈉和糖精為起始原料，經過開環、光氣化、縮合等一系列反應制備了苯磺隆，合成反應的總收率可達57 . 0 %以上，純度可達95 . 6 %以上。The effect of the catalysts, e. g., concd. sulfuric acid, p - toluenesulfonic acid, dodecylbenzenesul - fonic acid on the esterification of starch was studied with cassava starch as the raw material, acetic anhydride as the esterifying agent and acetic acid as the dispersion medium
摘要以木薯澱粉為原料，用醋酸酐為酯化劑，以乙酸為分散遞質，探索了以濃硫酸、對甲基苯磺酸、十二烷基苯磺酸為催化劑對澱粉醋酯化反應的影響。A new surfactant heavy crude oil sulfonates ( hcos ) was synthesized from daqing heidimiao oil with fuming sulfuric acid
考察了酸烴比、反應溫度、反應時間對磺化反應的影響。Research progress on sulfonation reaction technology
磺化反應工藝研究進展Preparation of poly lactic acid by melt polycondensation and its reaction kinetics
磺化反應的最佳時間為The sulfonating reaction was found on the unsaturation bonds of polybutadiene basing on the research of dynamics of the sulfonating action and ftir analysis of reacted products
通過研究磺化反應的動力學和對磺化產物的分析測試，提出磺化發生在聚丁二烯的雙鍵上新觀點。In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films
在實驗中採用高能輻射技術，先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上，后經氯磺酸磺化反應引入磺酸基團，合成了滿足燃料電池性能要求的質子交換膜。Using silicon dioxide, magnesia, aluminum hydroxide to react with sulfonic acids, color fixatives under standard proportioning, through curing and drawing into thread - like form, this product is made with mechanical twisting as per specific speed and number of strands after drying treatment, featruing a certain tensile strength
本品用二氧化硅、氧化鎂、氫氧化鋁同磺酸、固色劑等按標準配比反應，經固化抽制線狀，再經乾燥處理后，並按規定速數和股數，經機械加捻而成，並有一定的抗拉強度。Preparation of - carbonylesters from michael addition of p - nitrophenylsulphonylmethylbenzene and its derivatives with methylacrylate
對硝基苯磺酰甲基苯及其衍生物與甲基丙烯酸酯的加成重排羰基化反應Some important factors such as the mole ratio of glycerol to lauricacid, synthesis temperature and catalyst were studied and the optimum condition of synthesis was determined as follows : synthesis temperature was at 180cc, mole ratio was 2 : 1, and 0. 2 % p - toluene sulphonic acid was served as catalyst
考察了影響產物產率及純度的因素，確定了反應的最佳條件是：反應溫度180 ，甘油與月桂酸的摩爾比2 : 1 ，催化劑對甲基苯磺酸的用量0 . 2 % 。It has many advantages, such as the particles size is well distributed, and its diameter can be well controlled, etc. because of this virtue, reverse micelle shows broad prospects in the preparation of ferrite nanoparticles. hi this work, the syntheses of mnfe2o4 nanoparticles, cofe2o4 nanoparticles and znfe2o4 nanoparticles are prepared by the reverse micelle method, these preparations employed reverse micelles formed with anionic surfactant bis - ( 2 - ethylhexyl ) sodium sulosuccinate ( aot ), which is considered the most effective surfactant, and another anionic surfactant bis - ( 2 - ethylhexyl ) sodium hydroxy sulosuccinate ( ahot ), which is a new surfactant, and was synthesized by our own research group. we also synthesized znfe2o4 nanoparticles using the cationic surfactant cetyltrimethylammonium bromide ( ctab )
本文分別採用通常被認為最佳的陰離子表面活性劑? ?二（ 2 -乙基己基）丁二酸酯磺酸鈉（ aot ） ，和我們課題組自己設計合成的新型陰離子表面活性劑? ?二（ 2 -乙基己基）羥基丁二酸酯磺酸鈉（ ahot ）所構成的反膠束體系為微反應器，成功制備了mnfe _ 2o _ 4納米粒子、 cofe _ 2o _ 4納米粒子和znfe _ 2o _ 4納米粒子；還以陽離子型表面活性劑? ?十六烷基三甲基溴化銨（ ctab ）構成的反膠束體系為微反應器，成功制備了znfe _ 2o _ 4納米粒子；並探討了表面活性劑的種類和結構對反膠束法制備鐵氧體納米粒子反應的影響。Sulfonation of poly phthalazinone ether sulfone ketone and its application to isobutene oligomerization
聚醚碸酮的磺化及其在異丁烯低聚反應中的應用Previous studies have showed that sulfonylureas possess a bidirectional effect on cardiovascular system : they can raise the coronary artery tone, aggravate ischemic injury to the cardiovascular tissues, and accelerate cardiac hypertrophy through closing cardiovascular atp - sensitive k ( superscript - ) channels ; meanwhile they can also regulate glucolipid metabolism, modulate inflammatory reaction and inhibit atherosclerosis through activating peroxisome proliferators - activated receptors
摘要基礎研究表明，磺脲類藥物對心血管系統有雙向影響：磺脲類藥物能夠關閉心血管系統atp敏感性鉀通道，從而增高冠脈張力，加重缺血對心血管組織的損傷和促進心臟肥厚的發生；另一方面，磺脲類藥物能夠激活過氧化物酶體增殖物激活受體，從而調控糖脂代謝，調節炎癥反應和抑制動脈粥樣硬化的發生。It is known that astrocytes take a key role in the response to hypoosmotic stimulation : astrocytes can perceive the change of osmotic pressure and release taurine which then activates glycine receptors on the neurons, and inhibits the release of vp from the neurons in son
現已發現星形膠質細胞在對低滲刺激的反應中起關鍵性的作用：星形膠質細胞感受滲透壓的變化，通過大量釋放牛磺酸（ taurine ） ，作用於神經元上的甘氨酸（ glycine ）受體，從而抑制神經元釋放血管加壓素（ vasopressin ， vp ） 。分享友人