Check the thread friction coefficient to determine the bolt preload

By WANG | 11 September 2017 | 5 Comments
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Microcystis counting solution

By wang | 31 August 2017 | 5 Comments
Algae monitoring is a long-term and important work. Researchers need to make a judgment on whether the early warning and the rivers and lakes, water bloom and red tide system, algae in water were identified, algal cell count, determine the dominant species in different seasons and time. The cell count, often when Microcystis has external capsule structure, there are a plurality of internal cells arranged in dense algae. Directly observed by naked eye counting under the microscope, so that the ma
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How to prepare the standard solution of ph value?

By WANG | 18 August 2017 | 5 Comments
How to prepare the standard solution of ph value?
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Swimming pool water turbidity, urea, pH and other product configuration options

By wang | 16 August 2017 | 5 Comments
Advantages:
1. Series design, combination of heart to meet the needs of different users 2. Portable box design, small size, easy to carry 3. Reference GB method, the industry standard method for instrument configuration, the test results accurate and reliable pH, total dissolved solids, oxidation Reduction potential, water temperature and other testing items using electrode method, multi-parameter water quality analyzer configuration, to achieve a multi-purpose machine, simple and convenient. 4
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Swimming pool water turbidity, urea, pH and other product configuration options

By wang | 16 August 2017 | 5 Comments
Advantages:
1. Series design, combination of heart to meet the needs of different users 2. Portable box design, small size, easy to carry 3. Reference GB method, the industry standard method for instrument configuration, the test results accurate and reliable pH, total dissolved solids, oxidation Reduction potential, water temperature and other testing items using electrode method, multi-parameter water quality analyzer configuration, to achieve a multi-purpose machine, simple and convenient. 4
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