Search results for keyword: chemically
Mechanical Gold Plating
Introduction
Mechanical plating, also known as electroless plating, is a process through which metal parts are coated with various metals and alloys to improve their corrosion resistance, wear resistance and lubricity. This plating method is popular among industries such as automotive and aerospa......
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Oliver
GB 10627-89 Preparation of standard gas mixture for gas analysis Static volumetric method
GB 10627-89 Preparation of Standard Gaseous Mixtures by Static Volumetric Method
This standard specifies a static volumetric method for the preparation of standard gaseous mixtures for the chemical analysis of gases. This method is mainly applicable to gaseous components which are miscible in the......
GB 11914-89 Determination of chemical oxygen demand in water quality Dichromate method
Determination of Chemical Oxygen Demand of Water by Potassium Dichromate Method
Introduction:
The Chemical Oxygen Demand (COD) of water is an important indicator that reflects the amount of organic microbes and pollutants in the water, and is widely used as an important assessment index of water......
GB 8983-1998 Aviation breathing oxygen
GB 8983-1998 Aerospace Oxygen
Aerospace oxygen is a type of oxygen specifically designed for use in aviation. It is used in pressurized cabins to maintain a safe level of oxygen for passengers and crew. Oxygen is essential in pressurized cabins since the atmosphere at these altitudes is too thin ......
GB 9801-88 Determination of air quality carbon monoxide
Air Quality
Air quality is an important factor in human health and well-being especially in urban areas and industrial environments. Carbon monoxide is a particularly toxic gas that can accumulate in the atmosphere if it is produced in higher concentrations than what occurs naturally. A standard ......
GB 12268-90 List of Dangerous Goods
Goverman, with the cooperation of the Organization for Standardization in China (OSC), has developed a comprehensive list of hazardous goods for use in the transportation of goods throughout the Chinese territories. This list, GB 12268-90, is a full classification of the numerous hazardous goods t......
GB 13550-92 5A molecular sieve and its test method
GB 13550—92 5A Molecular Sieve and Its Test Methods
Molecular sieves are crystalline metal aluminosilicates with a large internal pore surface and high selectivity for molecules or compound substances. The particles are mainly composed of silicon-aluminum oxides, and the pores on their surface a......
GB 14193-93 Regulations for filling liquefied gas cylinders
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This article aims to provide an analysis of provisions outlined in the China industry standards GB 14193-93, specifically pertaining to liquefied gas cylinders and the requirements for their safe filling.
Liquefied gas cylinders are those cylinders designed to store combustible gases. The gas c......
YS/T318—1997 copper concentrate
Copper Ore
Copper ore is one of the most important minerals used in industry. It is used in various applications from electrical wires and plumbing pipes to jewelry and decorative artwork. Copper ore is mined from the ground and refined through various processes that reduce its impurities. Copper......
175 common materials for pump body
Centrifugal pump are widely used in industry to transport fluids. The materials used to make centrifugal pumps play an important role in their performance, durability and cost-effectiveness. For this reason, it is important to choose the right material to ensure the pump delivers maximum efficienc......
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