The hydrogenation kinetics equation of dienes and mono-olefine in pyroly.
以双烯和单烯2个集总为模型,分别建立了裂解汽油在镍基催化剂06-Ni-25上的双烯和单烯动力学方程。
A multiresidues determination method was developed for the extraction of diethylstilbestrol(DES),hexestrol(HEX) and dienestrol(DE) in milk by matrix solid phase diverse techique(MSPD) and separation by HPLC.
采用基质固相分散技术,对牛奶中己烯雌酚(DES)、己烷雌酚(HEX)和双烯雌酚(DS)残留进行提取和净化处理,并通过高效液相色谱进行分离。
Determination of Diene Value in Cracking Gasoline by Infrared Spectrophotometry;
红外光谱快速测定裂解汽油双烯值
Lipolysis-oxidation of Jinhua ham and its correlation during traditional processing were studied by analyzing free fatty acids(FFA),thiobarbituric acid(TABRS),diene value and carbonyl value.
通过对金华火腿传统加工过程中游离脂肪酸(FFA)、硫代巴比妥酸(TBARS)及双烯值和羰基值等的分析,研究其在加工过程中的脂质分解氧化规律及其与温度条件的相关性。
2,2-Dimethyl-1,3-dioxin-6-one derivatives (2) are effective substitutes of diketenes that react with nucleophilic reagents quantitatively.
2,2-二甲基-1,3-二噁环己-4-烯-6-酮类化合物2可以代替双烯酮,定量地和亲核试剂发生反应,并且本身安全无毒,化学性质稳定,成本低廉,是一类高效的双烯酮替代物。
With the action of catalyst and a small quantity of solubilization agent, a series of self-emulsified PDMS/ PU micro emulsion was synthesized with diketene/polyether(PTMG) as soft segment, toluene diisocyanate(IPDI) as hard segment and N - methyl diethanolamine as chain- expanding agent.
在催化剂和少量助溶剂的作用下,以双烯酮/聚醚(PTMG)为软段,甲苯二异氰酸酯(IPDI)为硬段、N-甲基二乙醇胺为扩链剂合成了一系列自乳化PDMS/PU微乳液。