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- methoxy dialkyl acetal 甲氧基型二烷基醇缩甲醛
- ethoxy dialkyl acetal 乙氧基型二烷基醇缩乙醛
- formaldehyde dialkyl acetal 甲醛型二烷基醇缩甲醛
- Acetal tubular load stabilizing frame. 令负重更为稳定。
- Methoxy 1 groups are split off with boiling HI and converted to ?? 甲氧基用沸腾的碘氢酸分解,使甲氧基脱落并转为甲基碘。
- Diaryl nitroxides are even more stable than the dialkyl nitroxides. 二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。
- Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate. 因此术语二烷基碳酸酯包括,例如甲基乙基碳酸酯。
- Acetal is among the strongest and stiffest of all thermoplastics. 在所有的热塑性塑料中,乙缩醛具有最高的强度和硬度。
- An equatorial methoxy group was completely inert to the Grignard reagent. 位于平伏键的甲氧基,则没有这种可能,因而不发生反应。
- "Acetal Method" is a new technology to prepare phenolic resin. “缩醛法”是一种合成酚醛树脂的新方法。
- OBJECTIVE To synthesize 4-chlorobutanal acetal by improved method. 目的改进4-氯丁醛缩醛的合成方法。
- Do not contact methylene chloride acet (like nail oil) strong acid detergent. 不要接触亚甲基氯化物、丙酮(去指甲油剂)、强酸清洗剂。
- If contact with nail oil use alcohol (no contain acet) and then water to clean. 若沾上指甲油请用不含丙酮的清洗剂(如:天那水、酒精),再用水冲。
- R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo. R”是取化基,如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
- R " is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo. 是取化基,如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
- The electric effects of methoxy in ortho-position differ from that in meso-position. 甲氧基处于氨基的邻位的电子效应和处于间位时不同。
- This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant. 该方法使用带有二烷基咪唑盐、烷基吡啶盐或者己内酰胺和脂肪酸作为反应物。
- The extraction behavior of dialkyl( aryl) Sulfides may be controlled by polar and steric substituents effects. 二烃基(基)醚的萃取行为受极性和空间取代基效应的控制.
- Methoxy polyethylene glycol(MPEG), which grafted with cellulose diacetate(CDA), was applied as a modifier. 采用聚乙二醇单甲醚(MPEG)作为改性剂,与二醋酸纤维素(CDA)进行接枝反应。
- In conclusion, the methoxy in benzene is the very key factor of affinity for the D2 receptor. 推断苯环上R6位甲氧基对苯酰胺类化合物与多巴胺D2受体亲合性起关键性作用。