91caopron-91av中文字幕-91av在线视频观看-91av在线免费观看-欧美aaaa视频-欧美aaaaaaaa

1. Principle: A laboratory freeze dryer, also known as a freeze vacuum dryer, is a device that processes liquid or semi-solid samples (such as drugs, food, biological products, etc.) through freezing

Precautions for using Shanghai Yetuo Biochemical Incubator1. AN full operation: Ensure compliance with safety operating procedures when operating the biochemical incubator. This includes wearing appro

Shanghai Yetuo Biochemical Incubator, Mold Incubator, and Constant Temperature and Humidity Incubator are commonly used cultivation equipment in laboratories. They have some differences in function an

Check the power and wire connections: Ensure that the power line of the circulating water vacuum pump is firmly connected and the socket is working properly. Check if the power switch is turned on to

Clean the sink and water ringAt the beginning, disconnect the power supply of the water ring vacuum pump and drain the water in the tank. Then, disassemble the water ring part and clean it thoroughly.

The Shanghai Yetuo circulating water vacuum pump is an important vacuum equipment, and its normal operation is crucial for the smooth progress of experiments and processes. In order to ensure the long

Shanghai Yetuo vacuum pump is a widely used equipment in scientific research, industry, and laboratory fields, used to extract gases from containers or systems, create and maintain the required vacuum

Evaporation methodA rotary evaporator is a device that uses heated and rotating solution inside a bottle to achieve rapid evaporation. By rotating the evaporation bottle, the surface area of the solut

Optimize vacuum conditions: Laboratory rotary evaporators are usually equipped with vacuum pumps to reduce the boiling point of solvents and accelerate evaporation rates by reducing pressure. Ensure t

temperature controlAccurate temperature control is crucial when using the Shanghai Yetuo rotary evaporator. Excessive temperature may lead to solvent evaporation and sample loss, while low temperature