An anti-counterfeit system and method for passive radio frequency label are disclosed, the system includes: the anti-counterfeit module of label, by the user interface, the production owner adopts the general international coding scheme to convert the true EPC code into the fake EPC code and the fak.....
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The invention relates to a method for extracting an area target of an image based on fuzzytopology, which comprises the following steps: an original image is treated in advance; an optimal threshold value T is dawn into; an object to be extracted is defined as a fuzzytopology object; the optimal thr.....
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本发明涉及河豚毒素的生物合成方法，包括获取具有一种或多种弧菌的培养，如通过种菌培养；将弧菌培养和产生TTX有机体的组织提取物加入发酵器中的培养基中；和从所述发酵器分离纯化TTX。本发明的方法在约3-5天的时间得到大约0.5mg/L的TTX产出，TTX的纯度至少为90％
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The invention provides a concrete paving brick capable of clarifying air produced by using building waste and recycled glass and the manufacturing method thereof. The paving brick comprises an absorption layer and a foundation layer, the absorption layer comprises cement, aggregate, titanium oxide a.....
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The invention provides a cascade controller with analog single-phase active power filter, which includes a control circuit and connected to the main circuit, the control circuit includes a first proportional integral controller, a multiplier, a subtractor, feedforward control , a second PI controlle.....
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