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GB 10505.3-89 3A Molecular Sieve Static Ethylene and Nitrogen Adsorption Determination Method
Molecular sieves are adsorbents commonly used in industrial processes. By controlling the application of molecular sieves and optimizing the adsorption parameters, the adsorption efficiency can be improved, and the cost of the process can be reduced. This paper mainly introduces the static ethylen......
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GB 11639-1989 Method for Determination of Technical Indexes of Porous Filling of Dissolved Acetylene Gas Cylinders
Method for Measuring the Technical Specifications of Porous Fillers for Acetylene Gas Cylinders
Abstract: This article introduces the method for measuring the technical specification of porous fillers for acetylene gas cylinders according to GB 11639-1989, including test items, apparatus, sample ......
GB 6286-86 Method for Determination of Bulk Density of Molecular Sieves
Density determination of molecular sieve stacking
The density of molecular sieves, which is an important physical property, is closely related to the quality of the product, and it is also a very important index for the characterization and evaluation of molecular sieves. At present, the determin......
GB17265—1998 Safety technical conditions for filling stations of liquefied gas cylinders
Safety Technical Conditions of LPG Cylinder Filling Station
Liquefied petroleum gas (LPG) cylinder filling station refers to a set of public gas equipment which is used to fill LPG into LPG cylinder and LPG cylinder (bottle). This safety technical condition is limited to aboveground cylinder fill......
GB 13580.1-92 General Rules for Atmospheric Precipitation Sampling and Analysis Methods
Atmospheric Precipitation Sampling and Analysis Methods General Rules
Atmospheric precipitation is a common component of natural hydrological, meteorological and ecological processes. Prolonged and continuous monitoring of atmospheric precipitation is necessary to understand the hydrological cycl......
GB 14174-93 Large diameter liquid nitrogen container
GB 14174-93
Large Caliber Liquid Nitrogen Container
Large caliber liquid nitrogen containers are crucial in laboratory for the safe storage of liquid nitrogen. GB 14174-93 is the first set of national standard for the technical requirements and test methods for the large caliber liquid nitrogen c......
GB/T3781.4-93 Determination of pH value of acetylene carbon black
Content：
Acetylene black is an essential component used in rubber, plastic (thermoplastic, thermosetting and elastomeric plastic) as well as other components in a wide range of industrial applications. It is highly stable and insoluble in most solvents. It is also resistant to heat ageing. Acety......
GB/T3781.5-93 Determination of coarse particle fraction of acetylene carbon black
Determination of Coarse Particles of Acetylene Black
Acetylene black, also known as channel black, is a black, non-graphitic, highly conductive and heat-resistant substance used for conductive coatings, propellants, carbon brushes, and other applications. The natural acetylene black consists of p......
GB/T3781.6-93 Determination of apparent specific volume of acetylene carbon black
，关于乙炔炭黑视比容的测定
Acetylene blacks specific surface area (BET) measurement is an internationally accepted technical measurement method for surface area and pore size. It has been widely used in various fields such as industrial catalyst, filler and mineral surface.
Acetylene black is a ve......
Use and Maintenance of SOFIM8140.27S Engine Turbocharger
Using and Maintaining the SOFIM 8140.27S Turbocompressor
The SOFIM 8140.27S turbocompressor is a turboshaft engine design used to power a wide variety of aircraft and industrial applications such as helicopters, industrial generators, and pumps. It has been in production since the 1980s and is a ......
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