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- hydroxy diphenyl hydantoin 羟基二苯乙内酰脲
- diphenyl hydantoin [化] 二苯基乙内酰脲; (俗称)二苯海因
- 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。
- The increaseing of hydrophilicity of insoluble hydantoin bactericide made t... 水不溶性海因类杀菌剂亲水性的增加,使杀菌率从869%25提高到971%25。
- 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。
- INGREDIENTS:Mulberry Bark Licorice Root Arctostaphylos Uva Ursi Buchu Lemon DMDM Hydantoin. 新鲜药草萃取：桑树皮萃取液、甘草根萃取液、熊果叶天然萃取液、灌木萃取液、柠檬萃取液.
- The process of cyanide-free silver pulse electroplating is investigated in 5, 5-dimethyl hydantoin (DMH) bath. 研究了5，5-二甲基乙内酰脲(DMH)无氰脉冲镀银工艺。
- A cyanide-free silver electroplating process with 5,5-dimethyl hydantoin as coordination agent is studied. 研究了5,5-二甲基乙内酰脲为配位剂的无氰镀银工艺。
- The efficiency of DBDMH production is 90%with an optimum mol ratio of 1:2:2 of hydantoin: Br2: NaOH. 在适宜的反应物配比条件下即海因、溴、氢氧化钠的摩尔比为1:2:2;生成产物二溴海因的产率为90%25.
- And other products such as Hydantoin, Zinc glycinate, Sodium glycinate, Sodium glycine Carbonate, etc. 我司还有其他产品，例如海因，甘氨酸锌，甘氨酸钠，甘氨酸钠碳酸盐等等。
- As so far, there is just a little of literature of L252 monosubstituted hydantoin, and the details of the racemization of hydantoin are not revealed. 目前关于52单取代海因的消旋的文献非常少,海因消旋的细节问题也没有被完全揭示。
- 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。
- The increaseing of hydrophilicity of insoluble hydantoin bactericide made the bactericidal rate increase from 86.9%to 97.1%. 水不溶性海因类杀菌剂亲水性的增加，使杀菌率从86.;9%25提高到97
- 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。
- Hydantoin was synthesized from glycine and sodium cyanate, which was condensed with benzaldehyde to give monohydrated sodium phenylpyruvate in 67. 由甘氨酸和氰酸钠反应合成海因;然后与苯甲醛缩合;经碱水解得到一水合苯丙酮酸钠;总收率为67.;0%25。
