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The production process of traditional Chinese medicine raw materials is relatively complicated: long process, many pipelines, and complicated operations; and most of the preparation raw materials are unstable, such as high environmental parameters...
View detailsDuring the chemical reaction, most of the chemical reactions are carried out in solvents. Solvent is an important medium, which can make all kinds of molecules participating in the reaction evenly distributed, increase the chance of collision and ...
View detailsDistillation exists in industries such as biopharmaceutical and petrochemical industries. Laboratory distillation includes vacuum distillation, short-path distillation, thin-film distillation, steam distillation, batch distillation, azeotropic dis...
View detailsPrior to distilling oil, you should follow a winterization and degassing procedure. The winterization will remove fats, waxes, and other inactive and unwanted compounds. Degassing will remove any solvents and other inactives with low boiling point...
View detailsEmulsification is the effect of a liquid in which even tiny droplets are evenly dispersed in another liquid that is incompatible with each other. Emulsification is a liquid-liquid interface phenomenon. Two immiscible liquids, such as oil and water...
View detailsWith the development of technology, pure electric vehicles are becoming more and more common, but pure electric vehicles are difficult to get a better solution in terms of cruising range, charging speed, and pollution after battery waste. This mak...
View detailsThe most basic part of making a chip is design-tape-package-test. The chip cost structure is generally 20% of labor cost, 40% of tape, 35% of package, and 5% of test. The test is actually the most in all aspects of the chip. "Cheap" step, but the...
View detailsThe full name of VCSEL is Vertical-cavity Surface-emitting Laser, the Chinese name is vertical cavity surface emitting laser. It is a kind of semiconductor laser. Semiconductor lasers are lasers manufactured using semiconductor manufacturing techn...
View detailsThe miniature high-pressure reaction kettle refrigeration heating temperature control system is designed with a gas feed unit, a liquid feed unit, a reaction unit and a collection unit. The raw material gas and raw material liquid are mixed and pr...
View detailsChina has become the world's largest supply market for APIs. Most of the APIs and intermediates required by foreign manufacturers are purchased in my country. The drug outsourcing process of most of its preparation products, the production process...
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