The paper introduces a data transmission method for wireless testing of oilwell underpit parameters (pressure and temperature) and low power consuming control circuits of underpit emission devices.
介绍一种油井井下参数（ 压力、 温度）无线测试的数据信息传输方法及井下发射装置低功耗控制电路。
Determining the trace Boron in steel with Optical Emission Spectrometry is a method which is rapid, convenient and practical. It has been used for quality control during production.
用光电直读光谱法测量钢中的硼元素，此方法具有操作便利、快速和实用的特点，为炼钢生产过程质量控制提供手段。
The USA plans to use "on-board test method" on the heavy diesel vehicle in 2007, measure and evaluate the HDV PM emission in the real world, carry out more effective control of the emission.
美国环保局计划于2007年实施重型车车载排放测试法，对重型柴油车在实际行驶过程中的排放进行测量和评估，实现更有效的控制。
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