Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
This process is that depolymerization of PET with microwave radiation needn't acid, base and catalyst.
PET纯水微波解聚是指：在微波辐射作用下，PET在不加碱、不加酸、不加催化剂的纯水中进行解聚。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
油脂酯交换催化剂有：常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
Activity of acid catalyst was higher than that of base catalyst.
酸催化比碱催化具有更高的反应活性。
The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper.
以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯，确定了酯化优化条件。
Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).
选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐（T203）的皂化反应。
The catalyst was critical in the preparation of biodiesel. At present, base-catalyzed and acid-catalyzed reactions were widely used in the actual biodiesel preparation.
生物柴油生产过程中的催化剂是一个很关键的问题，目前实际生产中碱催化和酸催化应用较为广泛。
The paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.
本文采用固体碱催化油脂和醇进行酯交换反应制备脂肪酸酯，着重于固体碱催化剂的研制及工艺优化。
The paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.
本文采用固体碱催化油脂和醇进行酯交换反应制备脂肪酸酯，着重于固体碱催化剂的研制及工艺优化。
应用推荐