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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(lèi)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(lèi)的效應。
- Diphenyl ether is used as solvent and azeotropied with water. 利用聯(lián)苯醚作為溶劑,與體系的水分進(jìn)行共沸回流,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(jīng)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(jīng)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(chǎn)物主要為苯醌、馬來(lái)酸、草酸等，
- Their intermediates included benzoquinone,adjacent diphenol and hydroquinone. 這兩個(gè)反應的中間產(chǎn)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,應用于塑料工業(yè)。
- 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(wú)溶劑結晶法純制二苯醚,該方法具有高效、經(jīng)濟和潔凈的特點(diǎn)。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有機中間體,廣泛應用于塑料工業(yè)。
- 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(chǎn)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(lèi)物質(zhì)。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半經(jīng)驗量子化學(xué)方法對二苯硫醚和二苯亞砜的構象進(jìn)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(huán)氧化物是制取帶苯環(huán)(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(guò)程用催化劑和工藝條件進(jìn)行了較系統的研究。
- Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated. 研究了苯并口惡嗪二苯醚樹(shù)脂固化時(shí)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(guān)于Ia-d和二苯硫醚在苯中反應的動(dòng)力學(xué)研究。
- Abstract A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl. 摘要 以聯(lián)苯為原料 ,通過(guò)芐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(lián)苯為原料,通過(guò)芐基化反應合成高溫導熱油。
