本文所得结果为麦草己二胺溶剂制浆提供了理论根据。
The result of this paper provides the basis of theory of wheat straw HMDA solvent pulping.
据了解,氧化胺是最强大的纤维素溶剂之一,但它是不可用。
It was known that amine oxide was the one of the most powerful solvents for cellulose, but it was not available.
采用松香、三甲胺和环氧氯丙烷为原料,溶剂法合成了阳离子松香。
The cationic rosin was synthesized by solvent method, with rosin, trimethylamine and epoxy chloropropane as raw materials.
当前碳捕获技术是使用苛性胺系溶剂从逸出工厂的烟囱烟气中分离co2。
Current carbon capture technology USES caustic amine-based solvents to separate CO2 from the flue gas escaping a facility's smokestacks.
采用促进剂DM和二环己胺为原料,以氨气为缚酸剂,用甲醇做溶剂合成橡胶硫化促进剂DZ。
This paper studied the synthesis of rubber accelerator DZ by rubber accelerator DM, dicyclohexyl amine and ammonia in the solvent of methanol.
主要介绍了MDEA及空间位阻胺这两种高效、低耗的脱碳溶剂在合成氨原料气和天然气脱碳工艺中的应用情况。
The MDEA and sterially hindered amines are used as high efficiency and low - expend solvent in decarbonization Process synthetic ammonia and natural gas.
概述了影响甲壳素和甲壳胺纤维质量的因素,如甲壳素和甲壳胺的品质、纺丝原液的溶剂选择及浓度的确定、凝固浴的确定;
The factors affecting the quality of chitin and chitosan fibers were described, including chitin and chitosan quality, solvent for spinning dope and its concentration and coagulation bath.
利用直链有机胺与金属卤化物在适当的溶剂中进行反应,成功的制备出金属卤化物衍生型钙钛矿化合物。
Metal halide based perovskite materials are successfully prepared with the reaction of organic amine and metal halides in proper solvents.
设计合成一系列具有不同取代基的苯甲酰萘(苯)胺衍生物,测定它们在非极性溶剂环己烷中的荧光发射光谱。
A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.
以环氧树脂、胺加成固化剂、颜料、填料、助剂和混合溶剂为原料研制了彩色环氧地坪涂料。讨论了各组分对涂料性能的影响。
The color epoxy floor coatings are studied. Epoxy resin, polyamide adduct curing agent, pigments, filler, additives and solvent mixture are used as major material.
以盐酸为溶剂,N乙酰基D葡萄糖胺为标准品,用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂,以对茴香胺为原料,用该溶剂合成了3磺酸基对茴香胺,产品中不含致癌物。
The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
当二胺A与对苯二胺的物质的量比例为10∶0~5∶5时,所得聚合物溶解于强极性溶剂。
When the mass ratio of diamine A top -phenylenediamine reached 10 : 0 - 5 : 5, the resultant polymers were soluble in strong polar solvent.
根据与氮相连结的活性氢原子的多寡与有无,讨论了伯、仲、叔胺类溶剂化能力的强弱。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
用2,4 -二硝基苯胺为原料,在混合溶剂中进行部分还原,得到对硝基邻苯二胺。
The starting material 2, 4-dinitroaniline was partially reduced in a mixed solvent to afford 4-nitro-1, 2-phenylenediamine.
主成份:新型无毒抗菌剂双链季胺盐、增溶剂、柔软剂、天然抗菌芳香精油。
Main compositions: double strands quaternary amine salt, solubilizing agent, softener and natural antibacterial essential oil.
采用气相色谱法测定比卡鲁胺原料药中有机溶剂残留量。
The residual solvents in bicalutamide substance were determined by GC.
通过焦磷酸与三聚氰胺在溶剂中直接作用合成了膨胀型阻燃剂焦磷酸三聚氰胺。
The intumescent flame retardant melamine pyrophosphate was prepared by melamine and pyrophosphoric acid in solvent.
以十八胺、脲醛树脂、膨润土、基础油为原料在水为溶剂条件下合成了一种新型润滑脂。
A new kind of grease was synthesized with octadecylamine, urea formaldehyde resin, bentonite and base oil under the condition of water as solvent.
以乙二胺和丙烯酸异辛酯为原料,甲醇为溶剂,在无催化剂条件下,经迈克尔加成反应合成了低代的树枝状化合物。
A lower generation dendritic compound was synthesized from ethylenediamine and iso-octyl acrylate by Michael addition in methanol without catalyst.
从几种有效溶剂对盐酸的萃取平衡关系,选择叔胺进行详细试验研究,取得有关的萃取数据。
From equilibria of HC1 extraction with several solvents, an amine mixture has been considered very effective and selected for detailed study by using feeds with and without L-cystine in solution.
用萃取剂N_(235)(多种叔胺混合物)浸渍大孔苯乙烯-二乙烯基苯吸附树脂(SDAR)制备了溶剂浸渍树脂(SIR)。
Solvent impregnating resins (SIR) have been prepared by impregnating macroporous styrene-divinylbenzene copolymer adsorption resins (SDAR) in the solution of extracting agent N235.
为对湿法磷酸进行净化脱氟 ,用胺类溶剂作萃取剂 ,煤油作稀释剂 ,对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
将评选出的聚合胺产品溶于B溶剂,配制成脱酸剂用于馏分油脱酸研究,得出适宜的脱酸条件及应用范围。
The suitable deacidification conditions and using ranges were selected by using deacidification-solvent that the polyamine production dissolves in solvent B.
本发明以水为溶剂,加入阻燃剂、三聚氰胺树脂、纤维保护剂、非离子渗透剂、磷酸制成阻燃整理材料。
The flame-retardant finishing material is prepared by adding flame retardant, melamine resin, fiber protecting agent, nonionic penetrating agent and phosphoric acid into water used as a solvent.
结果表明,这类二胺具有较好的耐热性,在DMF等有机溶剂中为弱电解质,可作耐热高聚物的单体。
It was found that these diamines are weak electrolytes in DMF with high thermal stability and may be used for the preparation of some heat-resistance polymers.
标题化合物C24H22N2O2是由N-(4-羟基苯亚甲基)喹啉-5-胺和5,5-二甲基-1,3-环己二酮在氯化三乙基苄基铵(TEBAC)催化下以水作溶剂反应而得。
The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.
本发明公开了沙利度胺及其药学可接受的前药、盐、溶剂化物、水合物或包合物的药物组合物和单一单位剂型。
Pharmaceutical compositions and single unit dosage forms of thalidomide and pharmaceutically acceptable prodrugs, salts, solvates, hydrates, or clathrates are disclosed.
乙醇胺溶液中添加甲基胺可明显提高CO2的吸收速率,且混合溶剂中乙醇胺与甲基胺浓度比5:1为最佳。
The addition of methyl amine to ethanolamine solution can significantly increase the absorption rate of CO2, and the best mixed concentration ratio of ethanolamine and methyl a-mine is 5:1.
乙醇胺溶液中添加甲基胺可明显提高CO2的吸收速率,且混合溶剂中乙醇胺与甲基胺浓度比5:1为最佳。
The addition of methyl amine to ethanolamine solution can significantly increase the absorption rate of CO2, and the best mixed concentration ratio of ethanolamine and methyl a-mine is 5:1.
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