高阻表面是一种局域谐振型微波光子晶体。
The high impedance surface is a kind of resonance type microwave photonic crystals.
另外,在阻焊膜涂覆前,用等离子体对印制电路板面处理一下,还可获得一定的粗糙度和高活性的表面,从而提高阻焊膜层的附着力。
In addition, the solder mask coating on printed circuit board, with the plasma treatment, can also obtain certain roughness and high active surface, thus improving the solder coating adhesion.
用扫描电子显微镜观察所得金刚石膜的表面形貌,用ZC 36高阻仪测量金刚石薄膜的电阻率。
The surface morphology of the diamond films were observed with SEM, and the resistivity of diamond films were measured with ZC36 high resistance instrument.
用反应物的活化能、表面活性中心的观点,探讨了褐煤、烟煤、高硫煤的氧化过程及阻化机理。
This paper also investigates the oxidation process and mechanism of inhibition for lignite, bituminous and high sulphur coals from the viewpoint of reactant activation energy and surface active sites.
定性分析了高阻硅探测器表面漏电流的产生,同时介绍了一种有效降低漏电流的方法,即保护环结构。
This paper analyzes the reason producing surface leakage current of high resistivity detector, and adopts guard ring to reduce the leakage current.
与传统活性炭过滤网相比,具有更优良的气体动力学性能,体积密度小,比表面积大、吸附效率高,风阻系数小。
Compared with traditional filter, it has better function of gas dynamics , and it has small density but has bigger surface, it has good absorbing function with small windy resistance.
与传统活性炭过滤网相比,具有更优良的气体动力学性能,体积密度小,比表面积大、吸附效率高,风阻系数小。
Compared with traditional filter, it has better function of gas dynamics , and it has small density but has bigger surface, it has good absorbing function with small windy resistance.
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