A quasi two-dimensional transverse electrical discharge model is developed with which contours with constant unsaturated gain G0 in X-Z plane are obtained.
用一维气流、准二维放电模型算出垂直于电极平面的等增益线二维分布。
Monolithic capillary X-ray lens can collect divergent white X-ray beam emitted from a point X-ray source into a quasi parallel beam.