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。
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。
The effect of sample self absorption, selective reflection, temperature, sample grain and liner on FT IR radiation spectrum are discussed.
讨论了样品的自吸收效应,加热温度、选择性反射带和粒度以及衬底等物理条件对红外辐射光谱的影响。
应用推荐