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- After they go through the exchange reaction of macromolecule chain,we obtain polyester-amide hot melt adhesive for textile. 研究了以聚酯膠和聚酰胺膠為原料在催化劑作用下加熱共熔,通過(guò)大分子鏈交換反應制備織物用聚酯酰胺熱熔膠的方法。
- When Mg2Al-CO3-LDHs was used the anion exchange reaction did not accur. 以Mg2Al-CO3-LDHs為前體，用離子交換的方法不能制備丙烯酸插層水滑石AA-LDHs。
- This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction. 此螯合反應是由酮一烯醇互變異構平衡過(guò)程和酯交換反應組成。
- There is close relation betweenthe ATP_b-Pi exchange reaction andenergy transduction of thylakoid mem-brane. ATP_b-Pi 交換反應與類(lèi)囊體膜的能量轉換有密切的關(guān)系。
- The catalytic gas liquid isotope exchange reaction is a good method to prepare tritiated triptolid. 采用催化氣液同位素交換法制備了氚化雷公藤甲素,探討了反應時(shí)間和反應介質(zhì)對反應產(chǎn)額的影響。
- The alcohol producing in the exchange reaction reduces the yield of furan phenol by the further by-react... 探討了呋喃酚環(huán)合反應質(zhì)子酸催化機理。
- Butyl lactate was synthesized by the ester exchange reaction of D,L-lactide and n-butanol under the catalysis of sulfuric acid. 研究了D,L-丙交酯在濃硫酸催化作用下與正丁醇進(jìn)行酯交換反應合成乳酸丁酯的條件。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和殼聚糖等為原料,采用酯交換法合成了殼聚糖季銨鹽。
- Takeshi I,Masahiro K,Akihiro P.Process for preparation of glycidyl methacrylate by catalytic ester exchange reaction:JP08239372[P].1996-09-17. 劉亞康;毛優(yōu)平;金關(guān)泰.;丙烯酸縮水甘油酯的合成工藝研究[J]
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO). 采用新型固體堿催化劑LDH/LDO進(jìn)行菜油酯交換反應制備脂肪酸甲酯;產(chǎn)率達98.;5%25以上。
- Chemical Water Treatment Equipment: widely used to produce softened industrial water, desalted water, industrial pure water and urban drinking water through exchange reaction. 化學(xué)水處理設備：廣泛應用于工業(yè)軟化水、脫鹽水、工業(yè)純水及城市飲用水等方面。通過(guò)交換反應，達到水質(zhì)軟化或除鹽的目的。
- In this paper,the properties and synthesis process of dimethyl carbonate are systematically reviewed, including ester exchange reaction and methonal carbonyaction. 介紹了碳酸二甲酯的性質(zhì)及合成方法,包括光氣法、酯交換法和甲醇氧化羰基化法及其它方法;
- This paper deals with a new synthesis process of organobentonite using highly purified sodium - based bentonite as raw material through ion exchange reaction. 研究了以高純鈉基膨潤上為原料,通過(guò)離子交換反應合成有機膨潤土的工藝,探索了溫度、反應時(shí)間等對產(chǎn)品質(zhì)量的影響。
- The chain has fallen foul of plants in the water. 鏈條已和水中的植物纏繞在了一起。
- She has a gold chain about her neck. 她在脖子的周?chē)鷴熘?zhù)一根金項鏈。
- Put together the pre-esterified grease and the methanol; adopt secondary reaction to eliminate the glycerin engendered in the first reaction to continue the ester exchange reaction. 經(jīng)預處理的油脂與甲醇一起，采用二步反應，除去初反應中生成的甘油，使酯交換反應繼續進(jìn)行。
- The chain has run foul of some plants in the water. 鐵鏈纏在水中的一些植物上。
- A new kinetic catalytic method has been developed for the determination of gold with the ligand exchange reaction between potassium ferricyanide and EDTA used as indicatory reaction and the orthophenanthroline used as activator. 研究了一種以金為催化劑，以鐵氰化鉀與EDTA之間的配位體取代反應為指示反應，以鄰菲羅啉為活化劑的新的動(dòng)力學(xué)催化法。
- She wore a silver chain around her neck. 她脖子上戴著(zhù)一條銀項鏈。
- In the present work, silicate as a vector, Cu(II)-exchange silicate was constructured by cation exchange reaction and connected with nano-technology to produce Cu(II)-exchange silicate nanoparticles(CSN). 進(jìn)而研究了加入不同濃度的LSN和CSN對Caco-2細胞的影響、對這四種細菌粘附和入侵腸上皮細胞的影響以及對腸粘膜形態(tài)的影響。
