The difference between humidification and dehumidification in humidification and dehumidification 1 Constant temperature and humidity test chamber in order to realize the testing conditions, inevitably of humidification and dehumidification
How to detect the clean bench and biological safety cabinet qualified A, Clean bench Clean bench can protect the sample, can not protect the operators, the certification of qualified comprises the following steps: 1, using a rotary impeller
Internal calibration and External calibration for electronic balance Electronic balance with Internal calibration: 1, Balance should be preheated, the time is about 2-3 hours. 2, The balance should be horizontal, otherwise you must adjust g
The differences between fluorescence microscope and optical microscope Application: Fluorescence microscope and optical microscope is different, it is not the ordinary lighting on the samples, but the use of certain wavelengths of light (ty
The 9 common sense of Rockwell hardness tester 1, Rockwell hardness elastic deformation effect on the hardness values: Rockwell hardness up to 0.5HR effect of elastic deformation on hardness value, so we must pay attention to the frame rigi
The difference between UV visible spectrophotometer and Vis spectrophotometer Applications: 1 Visible spectrophotometer and ultraviolet visible spectrophotometer are spectrophotometer, they are used in spectrophotometry instrument qualitati
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