论文部分内容阅读
某毛纺厂需要一种既能探测火源又能夜间防盗的红外报警装置。要求发射与接收距离在200m以上,装置体积要小(相当火柴盒大小),并可配用小体积高效长效电池(电压一般为6～12V),便于携带和隐蔽。提供技术资料或产品均可。能提供此项技术或产品者,请与本编辑部联系。并请详告产品性能、尺寸和价格等。深圳某公司需铝锭及含Si75％以上的硅铁、五氧化二钒等原材料,可供者请与本编辑部联系。吉林某厂急需可发性聚苯乙烯,数量不限,
A woolen mill needs an infrared alarm that detects both sources of ignition and nighttime burglary. Requires launch and receiving distance of 200m or more, the device size to be small (very matchbox size), and can be equipped with small-size and efficient long-lasting battery (voltage is generally 6 ~ 12V), easy to carry and conceal. Provide technical information or products can be. To provide this technology or products, please contact with the editorial department. And please elaborate product performance, size and price. A company in Shenzhen need aluminum ingots and containing Si75% above ferrosilicon, vanadium pentoxide and other raw materials, suppliers, please contact the editorial department. Jilin, a plant in urgent need of expandable polystyrene, an unlimited number,