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Cupola
The Crucible
Written by Arthur Miller, the Crucible is a play set in the Salem village of Massachusetts in 1692. The play’s protagonist, John Procter, is a farmer who is accused, along with other townspeople, of trying to practice witchcraft. He finds himself in the midst of the Salem witch tria......
1071 
Sophie
Comparison table of commonly used steel grades at home and abroad (6)
Steel grade equivalents table
Country USA UK Germany France Italy Spain Sweden Japan
AISI/SAE Werkstoff DIN AFNOR UNI UNE JIS
1018 1.0453 C10/C15 22Mn6/C22C10 1449/08 070M20/070A22 1020 CK22/C22 050A20/C20
1022 1.0619 S22C S15CK/C15CK S20C 080M15/080A15
1030 1.1133 C25/C30 25Mn4/C25C10 1449/0......
Representation method of brand name of domestic melting flux
The brand name of domestic molten welding fluxes is commonly represented by a combination of four (or five) letters and two figures, such as TK-308. The letter part is constituted mainly by the initial letters of the flux type, its source and its brand; the figure part mainly represents three item......
China heat resistant steel grade
Heat Resistant Steel in China
Heat Resistant Steel (HRS) is a type of steel that has the capability to withstand high temperatures before becoming damaged or destroyed. As a result, it is widely used in a variety of industries, including aerospace engineering and shipbuilding. In China, the speci......
GB/T 5313-1985 through-thickness performance steel plate
GB/T 5313-1985 Thickness Oriented Performance Steel Plate
This standard specifies the technical requirements, inspection and acceptance, and packaging, marking and quality certificate of thick oriented performance steel plate (hereinafter referred to as steel plate). This standard applies to thic......
Ancient Chinese Coal Mining Technology
Coal Mining Techniques in Ancient China
Coal is one of the most important components of ancient China’s energy resources. Before man began to build machines used for coal mining in the 19th century, humans had been harvesting coal from the ground for centuries with manual labor. The Chinese had ......
Fuming of tin ore
With the years of experience that Xikang Zhongkang Metal Mine Smokehouse has, it is no surprise why it is the leading provider of premium and unique wood-smoked products in the region. Serving customers in more than 25 countries, this company continues to explore and develop the perfect blend of e......
medium crushing
Year in Review
This year has been a year of contrasts, challenge and success with lockdowns and restrictions to control the spread of the global pandemic that has engulfed the world. In some places, the response to the pandemic has been aided by advanced technology with hot spot testing being use......
Germanium Plant Design
Zhucheng Heavy Alloy Corporation Design
Zhucheng Heavy Alloy Corporation, established in 1995, is a large state-owned electromechanical enterprise specialized in the production of refractory metal alloys and related products and services. With the help of advanced international technology, the co......
Design of flue gas purification in aluminum electrolysis plant
Design of Flue Gas Purification in Aluminum Electrolytic Plant
Abstract: In order to meet the specifications of environmental protection of the aluminum electrolytic plant and make the quality of the flue gas meet the standards, the flue gas purification of the aluminum electrolytic plant has ach......
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