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- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表現典型的乙烯的酯類的效應。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表現典型的乙烯的酯類的效應。
- Diphenyl ether is used as solvent and azeotropied with water. 利用聯苯醚作為溶劑,與體系的水分進行共沸迴流,達到充分脫水的目的。
- Dallas Pain Questionnaire (DPQ) was recorded to evaluate the severity of pain. 此外 ,對患者坐骨神經疼痛程度以Dallas疼痛調查表作評分。
- Dallas pain questionaire(DPQ) was recorded to evaluate the severity of pain. 對患者坐骨神經痛的程度以Dallas疼痛調查表作評分。
- Primary by-products range from benzoquinone to maleic acid and oxalic acid. 中間產物主要為苯醌、馬來酸、草酸等,
- Their intermediates included benzoquinone,adjacent diphenol and hydroquinone. 這兩個反應的中間產物都是苯醌、鄰苯二酚和對苯二酚;
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有機中間體,應用於塑料工業。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的醫藥和染料的中間體。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用無溶劑結晶法純制二苯醚,該方法具有高效、經濟和潔凈的特點。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有機中間體,廣泛應用於塑料工業。
- The in-situ formed Pd(0) was efficiently converted to the catalytically active Pd(II) species by benzoquinone in HOAc. 這種情形下產生的鈀(0)在醋酸中能夠被苯醌高效地修飾成有催化作用活性的鈀(II)類物質。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半經驗量子化學方法對二苯硫醚和二苯亞碸的構象進行研究。
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)環氧化物是製取帶苯環(或二苯)碳烯的極好原料。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 針對苯酚氧化羰基化合成碳酸二苯酯(DPC)潔凈化工過程用催化劑和工藝條件進行了較系統的研究。
- Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated. 研究了苯並口惡嗪二苯醚樹脂固化時的體積收縮率、固化溫度和固化焓變等。
- Diphenyl carbonate (DPC) was synthesized by decarbonylation of diphenyl oxalate (DPO) over Ph 4PCl catalyst. 研究了以Ph4PCl為催化劑 ,草酸二苯酯脫羰基合成碳酸二苯酯反應。
- The kinetic study on the reaction of Ia-d with diphenyl sulfide in benzene was carried out. 完成了關於Ia-d和二苯硫醚在苯中反應的動力學研究。
- Abstract A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl. 摘要 以聯苯為原料 ,通過苄基化反應合成高溫導熱油。
- A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl. 以聯苯為原料,通過苄基化反應合成高溫導熱油。