calibrate GRE

It is especially powerful for calibrating quarte-wave-plate and half-wave-plate, the metrical precision is less than 0.1%.

1/4半测量精度优0.1%。

The NRG Pyranometer is an excellent general purpose solar radiation sensor that is calibrated for the daylight spectrum.

NRG日照传感器是优质太阳辐射测量传感器，测量直射折射太阳辐射，从而得出总辐射量。输出一个低电流信号。

A reference material for calibrating and verifying the calorimeter of propellant explosion heat is composed of nitrocellulose(NC),nitroglycerine(NG),centralite and vaseline.

采用硝化棉、硝化甘油、中定剂凡士林为火药爆热热量计检定用标准物质组成成分,通过生产工艺优化制备出该标准物质。

As a consequence of the drift of inclinometer's mechanicalness and electrical circuit during the long-dated observation,the lattice value of the inclinometer's record trunk must be calibrated termly.

在长期观测过程中,仪器机械部分电路部分均会产生漂移,因此,仪器记录曲线格值必须定期进行标定。