New U.S. inventions use sunlight and sewage to produce hydrogen energy
The University of California invented a new device that can use sewage as raw m ...
Cat : 202306
Audit Drawing Notices Teach you to see through the drawings
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Part1: Understand the basic information of decoration decoration The main drawings are the schema ...
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The alloy composition studied was Nd6Fe81Co8V1B4, which was obtained by high-frequency induction me ...
Cutting of hardfacing materials and the use of superhard tool grades
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In machining, the workpiece after surfacing by hardfacing materials is difficult to process due to h ...
Effect of Bacillus on dairy performance and total digestive tract function
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1. Overview of the types of feed microorganisms Ppr China Feed Industry Information Network - based ...
Aluminum alloy flat ingot automatic control casting process parameter setting
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[China Aluminum Industry Network] 1, metal level The metal level setting is a key parameter to en ...
Should pay attention to the problem of wearing jewelry in summer
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The following items should be noted when wearing jewelry in summer: 1. Under high temperature ...
Should pay attention to the problem of wearing jewelry in summer
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The following items should be noted when wearing jewelry in summer: 1. Under high temperature ...
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Lotus tea, clearing away heat and beauty. Lotus leaf porridge has a certain effect on lowerin ...
The effect of applying microbial fertilizer to vegetables in protected areas is good.
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In the process of vegetable production in protected areas, due to excessive fertilization in su ...
China's steel overcapacity spread to high-end areas
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When the low-end overcapacity in the steel industry was widely criticized, many mid- to high-end pro ...
Cable companies blindly march into the field of aluminum alloy cables
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The annual output value of China's cable industry exceeds RMB 1 trillion, making it the world ...