The reaction of chlorpyrifos synthesis was affected by many factors, such as react temperature, react time, process control, material confect, catalyzer and antiacid etc. , especially the catalyzer is most important. The paper applied an chlorpyrifos synthesis process by using three compound catalyzers, which can improve the chlorpyrifos's output rate to above 95 % (base on the NATCP) a...
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Raw material, process raw material, zymolysis, checkout, confect fruit vinegar were discussed in detail according production of fruit vinegar, a guide to production in fruit vinegar was also provided.
就果醋的生产，对原料、原料处理、发酵、检验、果醋配制等问题进行了论述，为果醋生产提供了参考。
The material of oil seal is advance, reasonable, and the processing of confect is preciseness. The change of pull intension rate is small. It suit varies of abominable environment.
因油封胶料配方先进、合理、配制过程严谨、拉伸强度变化率小，能适应各种恶劣的变化环境。
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