Modern houses are mostly flat structures. Stairs are often used as a public facility. Many people do not attach importance to its function, but with the popularity of residential houses such as duplexes, penthouses, villas, and town-houses, homes are often occupied. The spatial separation of the l
Sulfonamides are a class of chemically synthesized antibacterial drugs containing ammonia benzenesulfonamide. It is occasionally discovered that the azo dyes have been multiplied (193g, Domagk) has a good inhibitory effect on streptococcus and staphylococci; 1933 In the first report, the first case
Corrugated paperboard began in the late 18th century. At the beginning of the 19th century, due to its light weight and low price, it was widely used, easy to manufacture, and can be recycled or even reused, which made its application significantly increase. By the beginning of the 20th centur
Business News Agency September 9 hearing This year, China's coal imports and exports have dropped significantly. According to customs statistics, total coal exports from January to June totaled 8.75 million tons, down 13.7% from the same period of last year; imports were 70.49 million
In the past 10 years, the application of coating technology on cutting tools has been rapidly popularized, and coated tools have become an indispensable mainstream tool for cutting. At the same time, with the rapid development of cutting to high-speed cutting, strong cutting and dry cutting, high
Abstract Yu Diamond announced on the evening of September 28 that the company plans to use the over-raised funds of 170 million yuan to increase its wholly-owned subsidiary Huajing Precision Manufacturing Co., Ltd. to build a micro-diamond line project for the photovoltaic industry. The fund
Mechanical industry "run by" has always been an important source of pollution, Jiangsu Taixing Group Kai Wang pump independently developed two sealed national patented technology effectively solve this problem. According to reports, the seal, head, flow, cavitation and other indicators are
Under the planned economy, the paint industry belongs to the chemical sector and there are 115 paint manufacturers. In addition to the basic autonomous region, there are paint factories all over the country, of which Jiangsu Province is the largest, followed by Guangdong Province, Hubei Pr
Diaphragm pump is a new type of conveying machinery, can transport a variety of corrosive liquids, with particles of liquid, high viscosity, volatile, flammable, highly toxic liquid. Diaphragm pumps have four materials: plastic, aluminum, cast iron, stainless steel. Diaphragm pumps are based on diff
TV-The biggest radiation behind the kinescope TV, there is 0.9μT across the wall of 10cm thick, which is far beyond the safe range. Is it okay if the wall is a little thicker? For this reason, we found a 40 cm thick concrete load-bearing wall. The radiation is still 0.9 μT. It seems that the
Goldwind released its mid-year report, with its revenue in the first half of the year falling 18% year-on-year, operating profit down 46% year-on-year, and net profit falling 45% year-on-year to RMB425 million, and EPS of RMB0.16 per share. In addition, the company also expects net profit