Search results for keyword: reactive
DC motor commutation
DC Motor Reversal
A DC Motor is a type of rotating electric motor that relies on a direct current (DC) to provide power. These motors are known for their power and efficiency, and they are widely used in industrial, automotive, and consumer applications. DC motors are able to be reversed, allowin......
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Installation of reactive power compensation device
Introduction
Inverter unbalanced load compensation is an important technique for improving power quality. Unbalanced load compensation can be achieved by either a passive or active load compensation method. Passive load compensation is a conventional method, which involves connecting additional i......
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 8981-88 Determination of Trace Hydrogen in Gas Gas Chromatography
Abstract
This paper introduces the determination of trace hydrogen in gases by gas chromatography method. The determination involves several steps including sample collection, sample treatment, column selection, instrumentation and data analysis. As this procedure is a sensitive quantitative anal......
GB7230-87 gas detection tube device
Abstract
This paper examines the use of GB7230-87 gas detection tubes, an instrument used to detect various types of gases in their entirety or as part of an analysis. The main components and description of the instrument are discussed followed by an insight into the different gases that may be d......
GB4884.2-1995 pure helium
Hydrogen is a chemical element with the symbol H and atomic number 1. With an atomic weight of 1.008, it is the lightest element on the periodic table. Hydrogen is the most abundant chemical substance in the universe, making up 75% of normal matter by mass and almost all of the helium in the unive......
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......
GB10879-89 dissolved acetylene cylinder valve
Ethylene is a reactive and highly flammable gas, and it is incredibly important to ensure the safe use of ethylene when it is transported, stored, and utilized. To do this, ethylene gas must be kept inside containers such as gas cylinders, and the containers must be able to withstand the corrosive......
Common warning signs on packaging
Warning Signs Regulated by Governmental Agencies
The United States government, through various enforcement and regulatory agencies, has a standard set of warning signs that must be used to identify hazards and hazardous conditions found in the workplace or consumer products. There is an extensive......
Operating procedures for JZ213 hot chamber die casting machine
AN OPERATION PROCEDURE FOR JZ213 HOT CHAMBER DIE CASTING MACHINE
Hot chamber die-casting is the most efficient method for producing high quality castings from most non-ferrous alloys that contain no, or only a small percentage, of strongly-reactive elements, such as magnesium, copper and zinc. Th......
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