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Linkage, double-action hydraulic press technical parameters
，文章概要如下： Hydromechanical Coupling, Dual Motion Hydraulic Machine Technology Parameters This article is about the technology parameter of Hydromechanical Coupling and Dual Motion Hydraulic Machine. It introduces the history, the development process, the application field, the power parameters......
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GB 10505.4-89 3A Method for Determination of Moisture Content in Molecular Sieve Packages
Method for Determining Moisture Content of 3A Molecular Sieve Packaging Products
The 3A molecular sieve is a high-performance type of sieve that has become increasingly popular in recent years due to its ability to help process liquids and gases efficiently. It has been used in a variety of indus......
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 608-88 Chemical Reagents - General Method for Determination of Nitrogen
GB 608-88 Chemical Reagents-General Method for Nitrogen Determination
GB 608-88 Chemical Reagents-General Method for Nitrogen Determination is a standard that sets the methods and requirements for chemical reagents used in determination of nitrogen in a wide range of applications, including the d......
GB 609-88 Chemical Reagents - General Method for Determination of Total Nitrogen
GB 609-88 Chemical Reagents – General Methods for the Determination of Nitrogen Content
Chemical reagents, also known as “analytical reagents” and “analytical chemistry,” are chemical substances used to detect, measure, and analyze the composition of various materials. China’s GB 609-88 mea......
GWPB 4-1999 Discharge Standard of Water Pollutants for Synthetic Ammonia Industry
GWPB 4-1999 Synthetic Ammonia Industry Water Pollutant Discharge Standard
The General Water Pollution Prevention and Control Board (GWPB) 4-1999 Synthetic Ammonia Industry Water Pollutant Discharge Standards is intended to address pollutants discharged from the synthetic ammonia industry, includi......
Determination of Nitrogen in Coal
Determination of Nitrogen in Coal
Nitrogen is an important element in coal and has significant influence on utilization of coal. It is common that nitrogen content in coal varies greatly according to coal type, of which exceeds several thousand mg/kg. For instance, the nitrogen content in coal r......
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