乙烷、丙烷是裂解制乙烯的原料，后者是有机合成的基本原料。
Pyrolysis of ethane and propane will liberate ethylene, a valuable and basic material for the synthesis of organic chemicals.
用途：电石可作为有机合成的基本原料，可做为石灰氮的原料，也可产生乙炔气体，作为炼钢脱硫剂，并用于金属切割。
Usage: It is the raw material of organic synthesis and calcium Cyanamide. It can produce acetylene gas, and can be used as Deoxidizer for steel making and cut metal.
碘是机体必需的微量元素，是甲状腺合成甲状腺激素的基本原料。
Iodine is the essential microelement, and the primary material for thyroid to synthesize thyroid hormones.
乙酸酯是一类重要的有机溶剂和有机化工基本原料，广泛用于有机合成、油漆涂料、医药、香料、粘接剂等行业。
Acetate is an important kind of organic dissolvent and chemical raw stuff. It is wildly used in such industries as organic synthesis, paint, coating, medicine, aromatics and binder etc.
本文利用聚酯(PET)废料为基本原料，进行了合成共聚酯热熔胶的研究。
Copolyester hot-melt adhesives for interlining industry may be obtained by depolymerization of waste PET, esterification and polycondensation.
以丙烯酸、氯化亚砜、2，4，6-三溴苯酚为基本原料，选择适宜的工艺条件通过两步法合成了2，4， 6-三溴丙烯酸苯酯。
The 2,4,6-tribromophenyl acrylate was prepared from acrylic acid, thionyl chloride and tribromophenol by two steps in suitable condition.
以丙烯酸、氯化亚砜、2，4，6-三溴苯酚为基本原料，选择适宜的工艺条件通过两步法合成了2，4， 6-三溴丙烯酸苯酯。
The 2,4,6-tribromophenyl acrylate was prepared from acrylic acid, thionyl chloride and tribromophenol by two steps in suitable condition.
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