An ic-ELISA for detecting fumonisin B2(FB2) of maizena was developed by using the coating antigen of OVA-FB2 and competitive antigen of FB2.

用卵清白蛋白与伏马菌素B2的偶联物（OVA-FB2）做包被抗原，标准伏马菌素B2（FB2）做竞争抗原，初步建立了检测玉米粉中伏马菌素B2的间接竞争ELISA方法。

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Calculation program of CAM lift curve is worked out. Valve train of engine is redesigned, and CAM is amended to FB2 type. Then, performance of engine is optimized further.

编制了凸轮升程曲线计算程序，对发动机的配气机构进行了重新设计，确定将配气凸轮修改成为FB2型，使得发动机性能得到进一步优化。

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