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- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- Dallas Pain Questionnaire (DPQ) was recorded to evaluate the severity of pain. 此外 ,对患者坐骨神经疼痛程度以Dallas疼痛调查表作评分。
- Dallas pain questionaire(DPQ) was recorded to evaluate the severity of pain. 对患者坐骨神经痛的程度以Dallas疼痛调查表作评分。
- Primary by-products range from benzoquinone to maleic acid and oxalic acid. 中间产物主要为苯醌、马来酸、草酸等，
- Their intermediates included benzoquinone,adjacent diphenol and hydroquinone. 这两个反应的中间产物都是苯醌、邻苯二酚和对苯二酚;
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,广泛应用于塑料工业。
- The in-situ formed Pd(0) was efficiently converted to the catalytically active Pd(II) species by benzoquinone in HOAc. 这种情形下产生的钯（0）在醋酸中能够被苯醌高效地修饰成有催化作用活性的钯(II)类物质。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半经验量子化学方法对二苯硫醚和二苯亚砜的构象进行研究。
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。
- Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated. 研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率、固化温度和固化焓变等。
- Diphenyl carbonate (DPC) was synthesized by decarbonylation of diphenyl oxalate (DPO) over Ph 4PCl catalyst. 研究了以Ph4PCl为催化剂 ,草酸二苯酯脱羰基合成碳酸二苯酯反应。
- The kinetic study on the reaction of Ia-d with diphenyl sulfide in benzene was carried out. 完成了关于Ia-d和二苯硫醚在苯中反应的动力学研究。
- Abstract A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl. 摘要 以联苯为原料 ,通过苄基化反应合成高温导热油。
- A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl. 以联苯为原料,通过苄基化反应合成高温导热油。
