Hang Xiaomin , Diao Hongsun , Qiu Aiyong , Hua Pinpin
1994, 13(1).
Abstract:以极度氢化油（主要脂肪酸为软脂酸和硬脂酸）和茶油为原料，按适当比例混合后随机交酯化，采用丙酮溶剂分提法制取代可可酯。经研究证实交酯反应的最佳工艺参数是：反应温度８０℃，催化剂浓度０．４％（ｗｔ），反应时间３０ｍｉｎ．选用两步溶剂分提工艺制取成品，结晶温度分别为１９℃（或１７℃）和２℃．产品的ＳＦＩ曲线以及甘三酯组成分析结果表明：代可可脂的熔化性能与天然可可脂相似，但蜡感较重，与天然可可脂相混时，添加量小于３０％，相容性较好。
Dai Jun , Wang Hongxin , Hua Chenglei
1994, 13(1).
Abstract:As the main antioxidative components in leaves of reed(Phragmites communisTrin),the flavonoids were separated and collected by using High Performance Liquid Chromatography to prepare the pure compounds for the identification of the flavonoids structures.
1994, 13(1).
Abstract:定义和区分了化学反应体系中可能存在的两类限制：计量限制和附加限制，从而Ｇｉｂｂｓ计量规则可用等式Ｉ＝ｍ－Ｒ＿３－ｋ表示。着重讨论了附加限制条件以及它对反应体系线性特征的影响，它不影响原子矩阵，但改变计量矩阵和限制矩阵的结构。提出了寻找被修饰的计量矩阵和限制矩阵的方法。
1994, 13(1).
Abstract:Two kinds of pre-polyurethane were prepared,and cured by exposure to ultraviolet radiation. The curing time for the polymers with or without catalyst was studied at different radiative distance.
Fan Maoxing , Pan Feng , Sheng Bingqian , Sun Xinghai
1994, 13(1).
Abstract:The threonine and isoleucine fermentation were studied in this paper,and the mathematical model of those fermentation processes was built.The microcomputer controlsystem of fermentation process was made use of STD industrial control computer,and optimum c
1994, 13(1).
Abstract:The design of hardware and software of automatic control system,using PC-Busindustry control computer,was indroduced.This system was used to control the process of making up etching acid for Aluminium foil,which including:making up etching acid forpositiv
Sun HaiJin , Zhang Yixin , Zhu Tuo
1994, 13(1).
Abstract:The light scattering of single non-magnetic material core-shell hard sphere is theoretically discussed.We have computed and analysised the dynamic structure factor forsmall angle dynamic light scattering through colloidal suspension consisting of polydis
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