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- Acetal tubular load stabilizing frame. 令负重更为稳定。
- 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。
- "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。
- You will also characterize the semicarbazone by melting point determination. 你也要通过测定熔点以鑑定缩胺基脲。
- Dry the semicarbazone in your desk until the next laboratory session. 在你的书桌上,将缩胺基脲干燥直至下一次实验课为止。
- 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。
- Standard method for hygienic examination of sulfur dioxide in air of residential areas-Forma dehyde solution sampling-pararosaniline hydrochloride spectrophotometric method. 居住区大气中二氧化硫卫生检验标准方法甲醛溶液吸收-盐酸副玫瑰苯胺分光光度法.
- 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。
- Objective To study the localization and the weekaged change of dehyd roepiandrosterone(DHEA) in human placenta. 目的观察脱氢表雄酮(DHEA)在人胎盘的定位及其含量的周龄变化。
- You will convert the carvone to its semicarbazone for use in a polarimetric analysis. 为了作旋光度分析,你将会把香芹酮转变为缩胺基脲。
- In this paper,the formulation,operation technology and product preperties of urea-formal- dehyde resin adkesire by adding a little tri-cyanamide were deseribed. 本文介绍了三聚氰胺改性脲醛树酯粘合剂的配方、操怍工艺及产品性能。
- Electroless copper depositing processess are controlled by the kinetics of formal dehyde oxidation reaction, which donate electron for the cathodic reduction of cupric ions. 化学镀铜反应受甲醛氧化过程动力学控制,甲醛氧化为铜离子还原提供电子。
- ACET devices can be readily integrated on chip into a microsystem.This offers insight into designing ACET lab-chips. 研究结果为设计交流电热效应芯片实验室提供了参考依据。
- MAIN OUTCOME MEASURES:The location relation of the sciatic nerve and the acet abulum. 主要观察指标:坐骨神经与髋臼的位置关系。
- N-Phenylacetamide;Acetylaniline;Acetamide, N-phenyl-;n-phenyl-acetamide ... n-phenyl-acetic acid;acet ... N-乙酰苯胺;N-苯基乙酰胺;退热冰;乙酰苯胺香港
- Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst. 以非质子酸氯化亚锡为催化剂 ,催化合成了丁醛 - 1 ,2 -丙二醇缩醛。
- Because of the strong cohesive force,PVA adhesive is widely useed.But most of them is polyvinyl acetal adhesive. 由于较强的粘结力,聚乙烯醇粘合剂有着广泛的应用,但大部分是聚乙烯醇缩醛类。
- Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。