IE expo China 2023 The 34TH International Exhibition for Refrigeration, Air-Conditioning, Heating and Ventilation,Frozen Food Processing,Packaging and Storage
Pfeiffer Vacuum invites you to participate in CRH2023 China Refrigeration Exhibition
Exhibition time: April 7-9, 2023
Exhibition location: Sh...
Pfeiffer Vacuum invites you to attend the 19th China Youth Catalysis Conference
The most beautiful April day on earth
It's a good time for exhibitions
From April 9 to 13
The 19th National Conference on Catalysis for Youth
Pfeiffer Vacuum Booth A09
Double surprise, waiting for you to reveal
Youth...
Mass spectrometers are extremely accurate chemical analyzers with a variety of applications, from assessing the safety of drinking water to detecting toxins in a patient's blood. But building a cheap, portable mass spectrometer that can be deployed in remote areas remains a challenge, in part becaus...
The semiconductor industry has surpassed the traditional steel industry and automobile industry and become a high value-added and high-tech industry in the 21st century. Semiconductors are the core of many industrial equipment, which are widely used in the core fields of computers, consumer electron...
Vacuum evaporation is a major production process in light chemical industry. Its working principle is a physical process: the evaporation rate of the solvent in the solution is related to the external resistance. Under vacuum conditions, the boiling point of the solution decreases, and the resistanc...
Abstract: as an important component of the helium mass spectrometer leak detector, the geometric parameters of the composite molecular pump not only affect the pumping performance, but also affect the detection performance of the leak detector. Based on the basic theory of molecular pump pumping, th...
