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” Inverter Mainly used in direct-drive fans or double-fed excitation side. As the domestic product is still being developed, so far the main market for foreign imports. Ministry of Science has established a ‘special support wind power project,’ the establishment of 30 wind power research projects, 6 projects with the transducer is related to an […]
Tree pulp and paper, you can use a variety of plant Fiber Made, but as the raw material of paper or use most of the trees are non- Timber Class. Chemical composition of wood Following table for the softwood and hardwood in the typical chemical composition. It is difficult to accurately write the chemical formula […]
2007 National Medical circulation hundred enterprises “list released, China Pharmaceutical Group Corporation, Shanghai Pharmaceutical shares, Kyushu through three companies to become the biggest winner, total sales of 77.337 billion yuan, accounting for the total pharmaceutical sales of the commercial market 19.21% over 2006 increased 0.26 percentage points. “2008 Pharmaceutical market Presents six characteristics: First, Medical […]
Some eyes often itch, in general, although not affect vision, but very uncomfortable. Buy some eye drops eye drops so casually, an impossible to add one, even with several kinds of eye drops at the same time, the result is the more drops the more itch. In fact, itchy eyes caused by a variety of […]
For the maintenance of infrastructure and the safety of construction workers, and promote the healthy development of valve industry, the State Administration of Quality Supervision recently organized the safety valve for national product quality supervision and spot checks had taken in Shanghai, Zhejiang, Jiangsu, Anhui, Henan other five provinces, 24 municipalities production of 24 products […]
