Effect on Mechanical Property of Solvent-type Polyurethane by Dibasic Alcohol Compound

If the molar ratio of acid to dibasic alcohol is 2.2, the quantity of SnO to acid is 2%, and the reaction time is 4 h, the yield of diesters can reach 99%.

在石油酸与二元醇的摩尔比为2.2时，氧化亚锡用量占石油酸用量的2%，反应4h可使二元醇羟基的酯化率达99%。

Improvement of phase change performances of dibasic sodium phosphate Modification of Ce ( SO_4)_2 on Phosphosilicate Gels used as Proton Conductors

十二水磷酸氢二钠相变性能改进研究硫酸高铈对磷硅酸盐凝胶质子导体的改性处理

Investigation on Treatment of Phosphate-containing Waste Water by Modified Fly Ash Improvement of phase change performances of dibasic sodium phosphate

改性粉煤灰处理含磷废水的探索研究十二水磷酸氢二钠相变性能改进研究

The results showed that tribasic lead sulfate, dibasic lead phosphite, lead stearate and citric acid were the fast secondary blowing agents and had a stronger activating effect on blowing agent AC;

结果表明，三盐基硫酸铅、二盐基亚磷酸铅、硬脂酸铅和柠檬酸对发泡剂AC都有较强的活化作用，属于加速型发泡助剂；

The electrical properties of cable immersed-in-water will be better using dibasic lead phthalate and lead stearate as stabilizer.

在配方中应用二盐基性苯二甲酸铅和二盐基硬脂酸铅作稳定系统，更能保证电线电缆料浸水电性能的稳定。

The results of the Congo Red Method proved that when stabilizers used separately, dibasic lead stearate, lead stearate and organotin T137 showed better effect in decreasing the degradation of CPE.

刚果红法的结果表明，单用稳定剂时，二盐基硬脂酸铅、硬脂酸铅、硫醇锡T137的效果较为显著。

Kinetics of Reactions Between Dibasic Acid Half-ester With Epoxy Compound

二元羧酸半酯与环氧化合物反应动力学研究

Synthesis of mixed dibasic acid esters by using resin catalyst

树脂催化合成混合二元酸二甲酯

Status and Development of Long Chain Dibasic Acid

长链二元酸的生产及发展

A new process was recommended of drying calcium phosphate dibasic with a modified Pneumatic conveying dryer to dry the powder materials being easy to lumo.

论述了改进单级气流干燥器以干燥磷酸氢钙的新方法，解决了易粘结物料不便干燥的问题。

Design and Production of 30 kt/ a Feed Grade Calcium Phosphate Dibasic with Two-stage

30kt/a两段中和沉淀法饲钙装置的设计与生产

A new triazene compound is synthesized by nitrogen coupling reaction of the diazonium salt.

通过重氮盐的氮偶联反应，合成三氮烯类新试剂。

Research into the kinetics of photochemical hydrolysis of diazonium salt by QMS method

四极质谱法研究重氮盐光致水解动力学

The Study on Effects of Performance of Diazonium Salt Microcapsules

影响重氮盐微胶囊颗粒性能的因素研究

Methods: Nitrogen coupling reaction of the diazonium salt was applied.

方法：通过重氮盐的氮偶联反应。

Exploration and Experience of Semimicro Experiment on the Diazonium Salt Synthesis& Its Coupling Reaction

半微量重氮盐制备及偶合反应实验研究和体会

Reduction of diazonium salt: 70& 75 ℃, 3 h, 92.5% ( two steps);

重氮盐还原：70~75℃，3h，（两步收率）92.5%；

A method of lamination technology to produce complex material insulating cover suitable for high speed diazo printer is reported, by using nonbasic gloss fibre cloth and unsaturated resin.

报导了采用层敷工艺，使用无碱玻璃纤维布和不饱和树脂研制适于高速晒图机使用的复合材料绝缘机罩的方法。

A method of machining to produce the big bore diameter PTFE sifter of the parts for high speed diazo printer was reported, by using polymer PTFE material.

报道了采用新型高分子材料聚四氟乙烯车削板为原料，机械加工生产高速晒图机的重要部件&大孔径聚四氟乙烯筛板的方法。

National Standard GB/ T 13984-92 "Microphotography Technique-Standard for Visual Density of Diazo and Vesicular Films" clearly defined the values of visual density for diazo print films.

国家标准GB／T13984-92《缩微摄影技术-重氮和微泡胶片视觉密度规范》对重氮拷贝片的视觉密度值做了明确的规定。