Shanghai Haozhuang Instrument Co., Ltd. develops the LNB brand anaerobic incubator, which is energy-saving and environmentally friendly, leading the country. Professional manufacturing is more secure and affordable 1. The anaerobic incubator should be placed in a place where the temperature diffe ...more...
Pre-press process of self-adhesive labels Pre-press design requirements for stickers (1) Understand the technological route. (2) In the application of colors, spot colors should be used to make up for the shortcomings of four-color printing, and the colors should be simple and clear. (3) The b ...more...
Electronic Teaching Plan for Chemical Analysis (0 folders, 10 files, 7.86 MB, 7.86 MB in total.) Chapter 2 Statistical Processing of Errors and Analysis Data. Doc 158.00 KB Chapter 13 Methods of Separation and Enrichment in Analytical Chemistry. Doc 586.50 KB Chapter 14 General steps of quantitative ...more...
Shanghai Haozhuang Instrument Co., Ltd. develops the LNB brand nitrogen blower, which is energy-saving and environmentally friendly, leading the country. Professional manufacturing is more secure and affordable Concentration principle: After the sample is extracted and purified, the volume become ...more...
[ Chinese wardrobe network ] [Chinese wardrobe network ] Since its birth, the combination wardrobe has been deeply loved by consumers because of its powerful storage function. In recent years, with the improvement of people's living standards and the development of social diversif ...more...
Shanghai Haozhuang Instrument Co., Ltd. develops the LNB brand carbon dioxide incubator, which is energy-saving and environmentally friendly, leading the country. Professional manufacturing is more secure and affordable Matters needing attention in the use of carbon dioxide incubator 1. Do not t ...more...
principle Solid-phase extraction (Solid-Phase Extraction) for short is a widely used and popular sample preparation technology, which is to use a solid adsorbent to adsorb the target compound in the sample and separate it from the sample matrix and interfering compounds. Then elute with eluent or ...more...