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％
[Detail]
The invention is a fast removable platform, comprising: supporting framework unit having a pair of supporting frameworks and a pair of inner wall fixing components and comprising inner beam, outer beam, hanging beam fixed between the inner and outer beams, and install piece arranged on the outer bea.....
[Detail]
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.....
[Detail]
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.....
[Detail]
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