The "Unit type" lithogeochemical survey method can decrease the numbers of sampling and the amounts of analytic run, and reduce greatly production costs.
“面型”岩石测量方法可成倍地减少样品采集量和分析工作量,大幅度降低了工作成本。
This article presents a digital type electromagnetic radiation measurement system along with its schematic circuit diagram, high speed discrete data sampling method and FFT calculation methods.
本文详细介绍电磁辐射数字化测量系统,给出了电路原理图,离散化数据高速采样方法及FFT计算方法。
Based on the measurement of flow field, the particle concentration distribution in the PDC type cyclone tube was studied by isokinetic sampling method.
在流场测试的基础上,采用等动采样的原理,对PD C型旋风管内的颗粒浓度分布进行了全面系统地测试。
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