头孢呋辛普生酯和头孢呋辛酯均有效。
The cefpodoxime proxetl and cefuroxime axetil were both efficient.
首次将硫酸铁用于催化合成马来酸二辛酯。
Ferric sulfate was first used for the synthesis of di 2 ethylhexyl maleate.
目的:制备头孢呋辛酯片,并评价其稳定性。
Objective:To prepare cefuroxime axetil tablets and evaluate their stabilities.
己二酸二辛酯;
研究了用新型催化剂铌酸催化合成马来酸二辛酯的工艺。
The catalytic properties of solid super acid for the synthesis of dioctyl melate;
用自燃点法对硝酸戊酯和硝酸异辛酯的性能进行了试验研究。
Experimental investigation of performance of amyl nitrate and isooctyl nitrate is made.
采用自燃点法对硝酸戊酯和硝酸异辛酯的性能进行了试验研究。
The autoignition temperature method was adopted in this paper to investigate the performance of amyl nitrate and isooctyl nitrate.
对催化剂的制备条件和戊二酸二异辛酯的合成条件进行了研究。
The preparation conditions of the complex catalysts and esterification conditions were studied.
本发明涉及一种微囊化头孢呋辛酯的药物组合物及其制备方法。
The present invention relates to one kind of medicine composition of cefuroxime ester microcapsule and its preparation process.
以十二烷基苯磺酸为催化剂,酸醇直接酯化合成没食子酸正辛酯。
Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
选用一种能重复使用的固体酸作催化剂,复相催化合成水杨酸异辛酯。
A kind of solid acid catalyst can be used repeatedly as esterification catalyst to synthesize iso-octyl salicylate.
开发了固定化假丝酵母脂肪酶99 12 5合成棕榈酸异辛酯的工艺。
The synthesis of 2-ethylhexyl palmitate by immobilized lipase candida sp. 99-125 was investigated.
本文介绍了废聚酯采用直接法制取增塑剂对苯二甲酸二异辛酯(DOTP)的研究。
The artical introduced experiment that made DOTP Plasticizer with waste polyester directly.
用正交实验确定了工艺条件,酯化率达98%。产品性能指标与已二酸二辛酯相近。
The process condition was determined by orthogonal test, and the esterification rate of the above reaction reaches to 98%.
本标准溶液以邻苯二甲酸二正辛酯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with din-octyl o-phthalate and sub-packed in 2ml ampoules.
在该条件下制得的硝酸异辛酯收率和纯度都比较高,方法安全可靠,适用于化工生产。
In the condition both the yield and purity of isooctyl nitrate are very high. The method is safe and reliable. and suits to chemical production.
用不饱和氨基甲酸酯、丙烯酸异辛酯和交联剂,以悬浮聚合的方法制备高吸油性树脂。
Useing unsaturated urethane, 2-ethylhexyl acrylate, crosslinking agent, high oil-absorbent resin was prepared by suspension polymerization.
以辛醇和从二羧酸中分离出的戊二酸为原料,硫酸为催化剂,酯化合成了戊二酸二辛酯。
The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.
另外,在NBR胶料中添加25份耐寒增塑剂(邻苯二甲酸二丁酯10;癸二酸二辛酯15)。
In addition, 25 PHR of cold resistant plasticizer (dibutyl phthalate 10 PHR; dioctyl sebacate 15 PHR) were added into NBR compound to improve th.
文中讨论了影响酯化反应的外部条件,同时对制约水杨酸异辛酯酯化率的内在因素也作了相应的解释。
It not only describes the extraneous factors influencing the esterification, but also explains the internal reasons which restrict the ester value of iso-octyl salicylate.
采用明胶作为主要掩味材料,利用固体分散技术制备头孢呋辛酯颗粒剂,并进行掩味效果及稳定性考察。
Cefuroxime Axetil granules were prepared by solid dispersion technique with gelatin as the main materials for masking the bitter. The bitter after masking and the stability were investigated.
采用压滤-刮油-中和吸附-压滤-吸附工艺处理邻苯二甲酸二辛酯废水,对处理工艺的运行条件进行了探讨。
Dioctyl Phthalate wastewater was treated by pressure filtration oil scrapping neutralization adsorption pressure filtration adsorption process, and its operating conditions were explored.
介绍了偏苯三酸三辛酯的工业制取方法,并对生产技术进行了经济分析,探讨了工业生产中存在的一些技术问题。
The technology of trioctyl trimellitate is introduced, and an economic analysis on it is undertaken. A few problems existing in its production are also discussed.
探讨了PUR-T、邻苯二甲酸二辛酯(DOP)及导电炭黑的用量对PVC/PUR-T共混材料性能的影响。
The effects of PUR-T, DOP and conductive carbon black contents on the performance of PVC/PUR-T blend were discussed.
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.
有一些研究表明DEHP(邻苯二甲酸二辛酯),(静脉输血袋中用的)乙烯基中包含的一种化学物质具有这样的特性。
And there's some research showing that DEHP, this chemical that's in vinyl [used in IV bags], has this property.
本文用苦味酸溴代十六烷基吡啶离子对作为电活性物质,以邻苯二甲酸二辛酯为增塑剂,研制成以PVC为基质膜的苦味酸离子选择电极。
In the paper, a PVC membrane picric acid anion selective electrode is developed using Bromhexadecyl pyridine picrate ion pair as the active component and dioctyl phthalate as the plasticizer.
硫化体系采用酚酸树脂2402/氯化亚锡(8/0.5)、加入一定量的增塑剂邻苯二甲酸二辛酯和补强剂高耐磨炭黑,可获得性能较好的共混体。
A blend with better properties could be obtained by adding phenolic resin 2402/tin bichloride (8/0. 5) curative and a certain level of dioctyl phthalate plasticizer and HAF reinforcing agent.
研究了以没食子酸和正辛醇为原料合成没食子酸正辛酯的新工艺 ,讨论了正辛醇的用量、夹水剂的种类和过量正辛醇的循环使用次数对酯化反应的影响。
The effects of the amount of sodium bisulfate monohydrate, the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated.
本文系统地研究了增韧剂氯化聚烯烃(M_1)和腈基橡胶(M_2),增塑剂邻苯二甲酸二辛酯(P)以及几种不同填料对硬质PVC填充体系力学性能的影响。
The effects of common impact modifiers M_1 and M_2, plasticizer P and different fillers on the mechanical properties of filled PVC were studied systematically in this paper.
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