penumbral

The exterior tangency points P1 and P4 mark the coordinates where the penumbral shadow first contacts ( partial eclipse begins) and last contacts ( partial eclipse ends) Earth's surface.

表面接触点P1和P4所处的坐标位置为第一次接触半影区和最后一次接触。

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The formation of sunspot penumbral magnetic field and the origin of return flux

太阳黑子半影的形成和返回磁通量的来源

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Those places not in the direct path will see a partial eclipse from the moon's penumbral shadow.

不是月球路径直接通过的国家和地区，将只能看到月球半遮影的部分日蚀。

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Analytic calculation of ellipticity error effect in neutron penumbral imaging

中子半影成像中椭圆度误差的解析计算

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Because of the oblique incidence of electron beam, the 80% and 50% isodose lines in the penumbral area would slope up to the direction with air gap and the slope angle was wider than the oblique incidence angle of the electron beam.

在斜入射时，80%和50%等剂量线会向有空气隙的一侧倾斜，并且倾斜角度要比斜入射角度大。

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The sweep was the moon penumbral zone can see the partial eclipse, the partial eclipse in the region-wide water from the area near, the greater the extent of the partial eclipse.

被月球半影扫过的地带均可以看到日偏食，在偏食区内离全食区越近，偏食的程度就越大。

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Penumbral lunar Benying and did not sweep the place, simply can not see the solar eclipse.

月球本影和半影没有扫过的地方，根本看不见日食。

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The magnetic field of sunspot is twisted when penumbral structure appears.

半影纤维的出现，表示着黑子扭转磁场的存在。

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Thinking of the Conception and Measuring of Penumbral Space in Tourism Site Planning and Design

旅游地规划设计中空间半影的概念及度量方法思考

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Apoptosis and necrosis in the penumbral area after reversible focal cerebral ischemia in rats

大鼠局灶性脑缺血再灌流半暗带神经细胞坏死与凋亡的动态变化

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