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- pentane diacid 戊二酸
- Thermometers are filled with pentane or alcohol. 温度计盛有戊烷或酒精。
- Pentane can be used as the foamer of EPS (expandable polystyrene). 正戊烷及异戊烷可用于EPS(可发性聚苯乙烯)的发泡剂,也可作为分子筛脱蜡工艺的脱附剂。
- Diacid has been got using diethylene glycol as decomposition agent of adduct. 采用二甘醇作为加合物的分解剂,得到了二元酸。
- Diamine is synthesized of diacid by aminating and hydryzing process etc.. It is an importantly chemical intermediate. 二胺由二元酸通过氨化、氢化等工艺合成,是一种重要的化工中间体。
- Acetanilide and hexane diacid,potassium hydrogen phthalate could improve PVC crystallinity. 乙酰苯胺、己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大。
- Identification of retention time can be accurately obtained using a pentane peak as a standard. 可以用戊烷峰来计算其它峰的保留时间。
- There will always be enough pentane in the syringe to leave a small peak on the chromatogram. 利用适当峰的峰面积,可以计算在每一种馏份和原油中的香芹酮和柠檬烯的含量。
- Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity. 乙酰苯胺、己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大。
- The approach involves chlorization,hydrolyzing the ester,preparing disodium,carboxylate to diacid,sulfonation. 研究了中间产物重结晶条件和结构参数。
- It's abstracted from the gas condensate and is mainly consisted of pentane and the other heavier hydrocarbon. 从未稳定凝析油中提取的,以戊烷及更重的烃类为主要成分的油品。
- A method for storing natural gas with pentane from natural gas condensate as solvent was proposed in this papaer. 提出一种以凝析油戊烷为溶剂贮存天然气的方法。
- Blowing agent of F11can be substituted by pentane,which is no harm to the environment. 发泡剂F11可用符合环保要求的戊烷完全替代;
- So far, we have synthesized pentadecane diacid , which is a very important intermediate product during preparing muscone. 到目前,我们已经合成了制备麝香酮中重要的一步中间产物十五碳二羧酸。
- Absorbed by Amberlite XAD-2 resin. Elute with ether and pentane mixture (1:1) and methanol, the bound and free aroma can isolated efficiently. Amberlite XAD-2树脂吸附,结合乙醚戊烷混合液(1:1,V/V)、甲醇的依次洗脱,可以将苹果汁(皮)中的游离态与键合态芳香组分进行有效分离。
- This paper reviewed the methods of preparing the calibration gases of pentane and isopentane and discussed the GC analysis methods. 本文论述了正戊烷、异戊烷标准气体的制备方法,并就该标准气体的气相色谱分析方法进行了探讨。
- With cheap butyl diacid and chloroacetic acid as starting material, butane-tetracarboxylic acid (BTCA) was synthesized through rational synthesis route. 采用廉价的丁二酸和氯乙酸为起始原料,选择合理的合成路线,合成了BTCA。
- Synthesized a polymerizable chelate agent, 3 allyl 2,4 pentane dione. Its structure was verified by elementary analysis, FT IR, 1H NMR and MS. 合成了一种可聚合的螯合剂3-烯丙基-2,4-戊二酮,通过元素分析、红外光谱、质子核磁共振谱和质谱确证了产物的结构
- It is too difficult to determine its melting point because hexane diacid is liable to sublimate.The operation is more rational and the result is more liable if we impr... 己二酸可升华;试验改进了其熔点测定的方法;操作更为合理;结果更为可靠.
- To build production workshops, warehouse, boiler room, to increase the floor space of 12140 square meters to construct a production capacity of 4000 tons of diacid annually. 新建生产车间、库房、锅炉房,新增厂房等建筑面积12140平方米,建成年产4000吨癸二酸生产能力。