Model NO.: Xs0045 Certificat

The "Atlantic" potato is a hybrid processed potato variety imported from the United States by the State Department of Agriculture and the Chinese Academy of Agricultural Sciences. The virus-free seed is now successfully selected by the Hunan Agricultural University and the Huna

AMRAY-1000B Scanning Electron Microscope Vacuum System Analysis and Maintenance Core Tip: Analysis and Maintenance of AMMY-1000B Scanning Electron Microscope Vacuum System Kong Mingguang (Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031) This article systematically anal

Qingdao Shuangrui Marine Environmental Engineering Co., Ltd. (referred to as Qingdao Shuangrui) recently signed large-scale orders. At present, Qingdao Shuangrui Company has signed a total of 53 sets of contracted water supply system equipment supply contracts, the total number of signed ships is 3

Recently, China's largest single-production hydrogen production plant started construction at Sinopec (600028) Maoming Petrochemical. The device uses the most mature coal gasification (000968) technology in the world to convert coal or coke raw materials into hydrogen, which can save 20% to 25%

First, the electromagnetic flowmeter structure The electromagnetic flowmeter's structure mainly by the magnetic circuit system, the measurement catheter, the electrode, the shell, the lining and the converter and so on the composition. Second, the principle of electromagnetic flowmeter 1. Mag

The status quo of the composition of lubricants has clearly shown that various types of internal combustion engine oils are the most important category of lubricants in all countries in the modern world. Their consumption accounts for about half of the total amount of lubricants. At the same t