Cohen balance classification
Cohen balances are mainly divided into three categories: laboratory, industrial, and medical.
Laboratory categories include: analytical balances, precision balances, moisture analyzers, laboratory scales
The industrial category includes:.......
3D printing subverts people's ability to create things, allowing people to transform their ideas into virtual models on computers, and return the patent for product manufacturing from the corporate field to individuals. The design addiction website takes us to review the 3D printing pr.......
Recently, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Suzhou Institute of Nanotechnology and Nanobionics, Zhongshan Hospital of Fudan University, Shanghai Institute of Metrology and Testing Technology have jointly developed an electrochemical biosensor based on modi.......
possible reason
elimination method
The light bulb does not turn on when the power switch is turned on
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Recently, the research group of Chen Baodong, State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, has made important progress in studying molecular mechanisms of drought resistance of arbuscular mycorrhizal host p.......
What I have told you before is the test preparation work of the salt spray test chamber and the matters that must be paid attention to during the test. Now I will continue to introduce you how to deal with the test samples taken from the salt spray test chamber after the test and how Sever.......
At present, in packaging and printing, environmentally friendly high temperature resistant (121 ℃ ~ 150 ℃) screen printing ink has become the focus of attention. The so-called environmentally friendly high-temperature screen printing ink is on the surface of the packaging produ.......
(2) Load the appropriate amount of reagent into one of the glass purification bottles, and put the color-changing silica gel. There is a margin of about 20-30mm at the mouth of t.......
Inorganic zeolite molecular sieve materials are widely used in industry and people's daily life due to their unique functions of adsorption / separation and catalysis.
The research team led by Zhang Jian, a researcher at the State Key Laboratory of Structural Chemistry at the F.......
General inhibitors and inhibition mechanisms can cause enzyme activity to decrease, but do not degrade the enzyme, can be called enzyme inhibitors. There are many types of inhibitors, inorganic and organic, low molecular and high molecular, specific and non-specific. The effect caused by in.......