In detergents, detergents are mainly surfactants and are mixed with certain adjuvants. The addition of adjuvant not only reduces the cost of finished detergent, but also improves the detergent decontamination ability, improves the appearance of detergent, and makes the detergent more convenient for use. In addition, a small amount of functional auxiliary ingredients (additives) are usually added to improve the comprehensive properties of washing.
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I. Bolt support and anchor spray support
Second, concrete and reinforced concrete support
Third, the shed bracket
Auxiliaries refer to the auxiliary components in synthetic detergents, which are related to decontamination and can increase washing characteristics. Most of the auxiliaries are inorganic, mainly Phosphate, 4A zeolite, silicate and Carbonate. In addition, organic chelating agents also belong to the category of auxiliaries.
Auxiliaries can be divided into inorganic auxiliaries, according to their functions in detergents, they can be divided into mixtures, foaming agents, defoamers, thickening (viscosity) agents, solvents, pearlescent agents, preservatives, bleaching agents, bactericides (disinfectants), antioxidants, softeners, antistatic agents, friction agents, fluorescent brighteners (FWA), solvents, anti-fouling and re-deposition. Agents, enzymes, flavors, pigments, etc.
Main way of roadway support
The purpose of the roadway support is to prevent the surrounding rock damage. Therefore, after the general roadway is excavated into the space, temporary support or permanent support is required.