Common chemical software

Chemical Structures <br>The software for chemical structure editing is very much on the market, and they have their own strengths. Both existing and free of charge to the education sector and households. Its function is mainly to draw the structural formula of the compound, the chemical react ----more

Common chemical software

Chemical Structures <br>The software for chemical structure editing is very much on the market, and they have their own strengths. Both existing and free of charge to the education sector and households. Its function is mainly to draw the structural formula of the compound, the chemical react ----more

Clean room knowledge

First, the definition of clean room Clean Room , also known as clean room or clean room. It refers to the removal of pollutants in the air, harmful air, bacteria, etc. in a certain space, and controls the temperature, cleanliness, indoor pressure, airflow velocity and airflow distribution, noise v ----more

Clean room knowledge

First, the definition of clean room Clean Room , also known as clean room or clean room. It refers to the removal of pollutants in the air, harmful air, bacteria, etc. in a certain space, and controls the temperature, cleanliness, indoor pressure, airflow velocity and airflow distribution, noise v ----more

Raise the shrimp first

The planting of aquatic plants in the shrimp ponds is an important part of the healthy aquaculture technology of the shrimp, and it is a prerequisite for stable production and an integral part of high yield. Green shrimp breeding pond species: First, high temperature summer plants can shade, coolin ----more

Configuration and use of YZWS series tunnel microwave s…

The purpose of microwave sterilization dryer: Used in foods, additives, seasonings, medicines, Chinese herbal medicine raw materials, nutraceuticals, instant noodles, noodles, rice noodles, soy products, beef jerky, minced meat, dried fish, etc. in powder, pill, granule, flake or colloid Drying and ----more

Drought and Drought Resistant Techniques in Tea Garden …

High-temperature and dry weather in summer and autumn caused great losses to tea production throughout the country. In severe cases, many nursery stocks in young tea plants died. The production of tea orchards in summer and autumn caused a significant reduction in production and income, and the pro ----more