Defu Guo, a senior engineer with a PhD of mechanical engineering. He is mainly engaged in the research of rolling process and control model, and now he is the director of hot rolled plate factory and chief expert of...
1.Steel made directly from cast iron, by burning out a portion of the carbon and other impurities that the latter contains, through the agency of a blast of air which is forced through the molten metal; - so called from Sir HenryBessemer, an English engineer, the inventor of the process...
1876 Technology English inventor Sidney Gilchrist Thomas develops a solution to the phosphorus content (a deleterious impurity that makes steel brittle) by adding a chemically basic flux – limestone – to the Bessemer process. The limestone would draw phosphorus from the pig iron into the slag, al...
1876 Technology English inventor Sidney Gilchrist Thomas develops a solution to the phosphorus content (a deleterious impurity that makes steel brittle) by adding a chemically basic flux – limestone – to the Bessemer process. The limestone would draw phosphorus from the pig iron into the slag, al...
a由于年终大盘点的到来 As a result of year's end big inventorying arrival[translate] aJALAN HANG KASTUR JALAN吊KASTUR[translate] abath caviar 浴鱼子酱[translate] a开创了新道路 Founded the new path[translate] a努力,并不一定成功;但放弃,一定会失败。坚持就是胜利,在最后一秒还未到来之前,结果永远...
Prior to competing with Steel Dragon, Dragon Warrior captain Duan Shaojie was already renowned as a 'steel carver', inventor and manufacturer of steel sculptures. Among his creations included large sculptures resembling characters from theTransformersfilm franchise (e.g.Bumblebee), and a similarly la...
Production Capacity 10000000PCS/Year Product Description Stamping:The process of turning sheets of metal into a useful part or component is called sheet metal stamping. The metal is fed into a press, where the stamping mould, also known as a die, creates the desired shape. The die ...
The inventor claims a six-fold increase in fatigue life over that of API joints in sucker rod-pumped wells involving tension loads only. If used in progressive cavity pumping (PCP) installations where a combination of tension and torsion loads occur in the rod string, an increase of 2.5 ...
So, I'm thankful to the inventor of Instant Pot for getting me over my pressure-cooker paranoia. And I do use the devise when I need to cook/tenderize meat in a hurry. I'll use it, for sure, but not often enough to make room for it upstairs in my already over-crowded kitchen....
awho was the inventor of the first practical process of photography 谁是摄影的第一个实用过程的发明者[translate] athe largest impact on the canadian economy was probably the rapid rise of the canadian dollarafter years of decline againest its american counterpart. 对加拿大经济的最大的冲击大概是加...