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- We gave up the H-T route and to prepare ABA type block copolymer with long alkoxy and aryloxy groups. （3）为高产率制备和提高纳米微孔氧化硅的机械强度，又将研究路线做了更大调整。
- Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine. 以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草活性。
- Study on the viscosity of the poly(phthalazine ether sulfone ketone) solution and its effect on the gelation rate. 二氮杂萘联苯聚醚砜酮中空纤维超滤膜及其制法。
- Conclusion:Quercetin monosulfate in combination with 5’ chloro 5’ deoxyadenosine h... 结论:槲皮素单硫酸酯与5’-氯-5’-脱氧腺苷具有协同抗血小板聚集的作用。
- Abstract: 2 - Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology. 文摘:2－氯－5－氯甲基吡啶是农药和医药的重要中间体。
- Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology. 氯－5－氯甲基吡啶是农药和医药的重要中间体。
- The synthcses of 2 - mercapto benzimidazole and 3 - chloro prpyne were also discusscd. 再由2-巯基苯并咪唑和3-氯丙炔在丙酮溶剂中合成2-炔丙基巯基苯并咪唑。
- The reactions of p chloro nitrobenzene with phenolates were performed by means of microwave irradiation. 本文采用了微波辐射法,用酚盐和对氯硝基苯反应,合成了多种二苯醚类化合物(图1)。
- The target compound was synthesized from 1 bromo 3 chloro propane by amination and Grignard reaction with ethyl orthoformate. [方法 ]以 1-溴 - 3-氯丙烷为原料 ,胺化后 ,与原甲酸三乙酯进行格氏加成反应 ,得目标化合物。
- P chloro DL phenylalomine, a specific inhibitor of tryptophan hydrozylase, could not influence the levels of Try and 5 HTP. 分别用3H－5－HTP和3H－5－HT培养虫体，则有3H－5－HT、3H－5－HIAA和3H－5－HIAA生成。
- In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent. 然后以三乙胺为缚酸剂，使高聚氯化磷腈直接与酚类化合物进行取代反应，合成了标题高聚物。
- The Product was preparcd hy 2 - mercapto bcnzimidazole and 3- chloro propyne in propanonc as solvent without phase transfer catalyst. 先由邻苯二胺和二硫化碳合成2-巯基苯并咪唑，炔丙醇和三氯化磷合成3-氯丙炔；
- Barium Stearate is the stabilizer for PVC and the copolymer of chloro ethylene with excellent lubricity and long-term thermal stability. 本品为聚氯乙稀及聚乙烯共聚物的热稳定剂，具有优良的润滑性，长期耐热性好。
- The property, preparation and application of P - Chloro ?Phenylaldehyde are introduced. It 's market prospect are also forecast. 介绍了对氯苯甲醛的性质、制备方法和应用,并对其市场前景作了展望。
- Chloro 2 hydroxypropyl trimethyl ammonium chloride an etherizing agent,for modified starch, was synthesised from epichlorohydrin. 以环氧氯丙烷为原料合成了3-氯-2-羟丙基基三甲基氯化铵,后者作为改性淀粉的醚化剂。
- Objective:To study the effects of combination of quercetin monosulfate and 5’ chloro 5’ deoxyadenosine on platelet aggregation induced by thrombin in rabbits. 目的:研究槲皮素单硫酸酯和5’-氯-5’-脱氧腺苷合用对凝血酶诱导兔血小板聚集的影响。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- A method was established for determining two intermediates in synthesis of imidacloprid,2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC. 建立了用高效液相色谱法同时测定农药吡虫啉中间体2-氯-5-甲基吡啶和2-氯-5-氯甲基吡啶含量的方法。
- Results:Both quercetin monosulfate and 5’ chloro 5’ deoxyadenosine had inhibitory effects on platelet aggregation,the combination of them enhanced those effects. 结果:槲皮素单硫酸酯和5’-氯-5’-脱氧腺苷对凝血酶诱导的兔血小板聚集都有抑制作用,两者合用作用增加。
- Necessity and practical significan ce of chloroaniline and chloro hydra zinobenzene series which are deep -p rocessed from aniline are described in the article. 叙述了苯胺深加工产品氯代苯胺和氯代苯肼系列产品开发的必要性与现实意义。
