And the analytic calculation method of the self radiation impedance and mutual radiation impedance of the transducer array is studied.

还研究了基阵中各阵元自辐射阻抗与互辐射阻抗的计算方法。

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Their cost varies from $150 for a self-assembled kit to $4,000 for a more sophisticated version that stores radiation readings along with the GPS coordinates of where those readings were taken.

它们的售价不等，自己组装的售价150美元，更复杂的、可以存储辐射读数、并且有GPS记录检测地点的要卖4000美元。

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Objective To explore the effect of Self-formulated Ulcer Powder mouthwash on radiation stomatitis among patients with cervical tumors.

目的探讨自制溃疡散含漱液治疗头颈部肿瘤患者放射性口腔炎的效果。

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It's currently being evaluated for emerging technologies such as flexible structural health monitoring systems, self-healing materials, and radiation-protective materials.

ENGADGET: NASA develops inflatable lunar habitat

Prof Vallis said "it is attracted to DNA damage", where it then delivers a dose of radiation, causing more damage and attracting even more antibodies - it is a "self-amplifying system".

BBC: One test may 'find many cancers'

She has written about environmental health, climate, radiation, energy and other issues for numerous publications including Miller-McCune Magazine, High Country News, SELF, and Environmental Health Perspectives.

FORBES: 1st Person | Facing an Unsettled Future After Radiation Exposure