Search results for keyword: 2001
JB/T6427-2001 Pressure swing adsorption oxygen and nitrogen production equipment
JB/T6427-2001 Variable Pressure Adsorption Oxygen, Nitrogen Equipment
This standard establishes the requirements for the quality, technical requirements, testing methods and transmission rules of variable pressure adsorption oxygen and nitrogen production equipment. Strictly follow JB/T2639-2001,......
1041 
Sophia
Upsetting pressure, average deformation resistance and constraint coefficient
Abstract
This paper provides a comprehensive review of the literature pertaining to the effects of stress, average deformation resistance and restraint coefficient on the performance of the metallic material. The review encompasses the state of the art of the subject and includes a critical analy......
Secondary gun
A brief history of machine guns
A machine gun is a firearm that is capable of fully automatic fire, usually from a magazine-fed firearm. It has been used in wars and conflicts for more than a century and it is still used today both in the military and for civilian use.
The first machine gun was ......
Converter Steelmaking Workshop
Steelmaking in a Blast Furnace
Making steel requires extreme heat. To produce steel from iron, the hot furnace-like structure known as a blast furnace is used. Inside an operating blast furnace, temperatures can reach up to 4000°F.
Blast furnaces convert iron ore into steel. They have been used......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 31)
An overview of JGJ81-2002 welding technology regulation for construction steel structures......................................................................................
The JGJ81-2002 welding technology regulation is the standard regulation on construction steel structure welding technolog......
Separation of zirconium and hafnium by recrystallization
Separation of Zirconium and Hafnium by Ion Exchange Chromatography Using the Cation Exchange Resin
Abstract
Zirconium and hafnium are a pair of chemically similar elements that are difficult to separate in the environment. In this research, preparative isolation of zirconium and hafnium was achi......
Chinese Mercury Industry
Chinese mercury industry
Mercury is one of the most important commodities used in many industries today. It is a naturally occurring element found in rocks and soil and its use dates back to ancient times. Mercury has been used in industrial processes such as gold extraction, manufacture of mirro......
ignition point of coal
The ignition point of coal is a key indicator that helps to measure the propensity of coal to catch alight easily and soon. Specifically, coal ignition point is the lowest temperature at which a coal sample will sustain ignition when exposed to the surrounding environment. It is generally measured......
Huaan Fund Management Co., Ltd.
Huatai Asset Management Co., Ltd.
Huatai Asset Management Co., Ltd. (Huatai AMC) is a wholly owned subsidiary of Huatai Group, a large financial services provider in China. Established in 1992, Huatai AMC has quickly grown to become one of the largest asset management companies in China with a po......
Shanghai Metal Society
Introduction
The Shanghai Metals Society (SMS) is one of the oldest organizations in China dedicated to the advancement of knowledge related to the science and technology of metals and alloys. Founded in 1938, the Society has a long and illustrious history of scholarly activities and remains a l......
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