This manuscript is a review of the preclinical and early clinical findings related to a unique fluorinated polyphosphazene nanolayer device surface modification. Polyzene-F (PzF) is a novel, high-molecular weight, highly pure polyphosphazene that was designed to enhance the biologic interface between a...
如图,在真空中倾斜平行放置着两块带有等量异号电荷的金属板A、B,一个电荷量q=1.41×10-4C,质量m=1g的带电小球自A板上的孔P点以水平速度v0=0.1m/s飞入两板之间的电场,经0.02s后未与B板相碰又回到P点,g取10m/s2,则 A.板间电场强度大小为100V/m ...
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