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- EXPERIMENTAL OBSERVATION ON PROPERTIES OF COMPOUND DISINFECTANT CONTAINING DICHLORODIMETHYL HYDANTOIN 含二氯二甲基海因复方消毒剂性能的试验观察
- dichlorodimethyl hydantoin 二氯二甲基海因
- 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。
- 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 process of the invention solves the adverse effect brought by impurities through adding a right amount of water in the hydrolysate of dichlorodimethyl silane. 本发明的方法通过往二甲基二氯硅烷水解物中加入适量的水解决杂质带来的不利影响。
- 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 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
- 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。
- Therefore, the auto racemization of L252 monosubstituted hydantoin is an important step of the production of L2 or D2N2 carbamoylase. 因此,52单取代海因的自发消旋成为L2或D2N2氨甲酰氨基酸生产中的一个重要的步骤。
- A simple and rapid method for the spectrophotometric determination of hydantoin with chromotropic acid has been reported. 本文建立了简单、迅速地利用变色酸光度测定海因的方法。
- The effect of the solvent on bromination of 6 methoxy 2 acyl naphthalene and 2 methoxyl naphthalene with 1,3 dibromo 5,5 dimethyl hydantoin was studied. 考察了在不同极性溶剂中以 1 ,3 二溴 5,5 二甲基海因作溴化剂对溴化 6 甲氧基 2 酰基萘反应的影响。
- In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized. 第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
- Maternal teratogens that hae been reported in association with cleft lip and palate include alcohol, maternal phenylketonuria, hyperthermia, hydantoin, trimethadione, aminopterin, and methotrexate. 据报道与唇腭裂相关的母体的致畸因素有酒精、母体的苯丙酮尿症、高热、乙内酰脲、三甲双酮、氨喋呤、氨甲蝶呤等。
- Hydantoin was synthesized from glycine and sodium cyanate, which was condensed with benzaldehyde to give monohydrated sodium phenylpyruvate in 67.0% of overall yield after alkaline hydrolysis. 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。
- Methods to prepare hydantoin in normal pressure 常压下制备乙内酰脲两种方法的比较
- DMHF Dimethyl Hydantoin Formaldehyde Resin 二甲基乙内酰脲甲醛树脂
