Abstract Recently, the National Development and Reform Commission announced the coal inventory system, which clearly defined the highest inventory and minimum inventory standards for coal enterprises and electricity companies, and clarified the assessment and supervision mechanism. For enterp
Tell me moreNowadays, many young people choose their own ideas, and opening a store is one of the ways they start a business. Before the store opens, everyone needs to decorate the store first. Everyone should not neglect the link of shop decoration. Practice has proved that the decoration of the
Tell me moreWith the development of science and technology, decoration materials and construction techniques are constantly evolving. New decoration techniques such as self-leveling and thin sticking, new materials such as PVC flooring and integrated wallboard may not be familiar to you, but it i
Tell me moreAbstract On November 2nd, China Superhard Materials Network Manager Gao Yi visited Zhengzhou Renhe Superhard Materials Co., Ltd., located at No. 2 Longgang Road, Suohe Office, Fuyang City, Henan Province, and was received by Zhang Ke, Chairman of Renhe Superhard Company. Warm hospitality. The
Tell me moreHome>Bearing knowledge>Drawing methods and characteristics of adjustable clearance rolling ball bearings /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Description and characteristics of adjustable clearance rolling ball bearings Source: Bearing network time: 2017-11
Tell me moreAccording to figures released by the statistics department, the economic and industrial profits of the major energy provinces showed rapid growth in the first three quarters. Among them, Shanxi's industrial profits above designated size in the first three quarters of the year were 70.4 billion y
Tell me moreSafety shoes CE certification According to European regulations, employers must provide employees with safety protection to ensure that employees work in a safe environment. Safety shoes are an important part of this. The CE mark is not a sign of quality assurance. Safety shoes marked with the CE
Tell me moreOn December 7, the 2017 China Textile Innovation Conference sponsored by the China National Textile and Apparel Federation was held in the Beijing International Hotel. The Green Shield Respirator won the “Top Ten Innovative Products of the Year 2017 Textile†award. The theme of the con
Tell me moreAccording to foreign media reports, researchers at the Massachusetts Institute of Technology developed a new power converter that can handle higher voltages while maintaining efficiency. Power conversion is inherently inefficient. A device will never be able
Tell me moreConvergence is the general trend of today's technology development. Driven by information technology, many different professions are developing towards a goal. Many disciplines and technologies are on the same path and merged into a new discipline and technology; different disciplines and techno
Tell me moreDuring the growth of rice, various pests and diseases will be encountered, which seriously affects the healthy growth of rice and reduces rice yield. Therefore, the use of chemical methods such as rice special insecticide products to prevent pests and diseases has become the f
Tell me moreVertical pumps are important components of centrifugal pumps. As the range of centrifugal pumps used gradually increases, more attention needs to be paid to the research of centrifugal pumps. Faced with this highly competitive era, vertical pumps want to have a share of centrifugal pumps and need m
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