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1·One end of a probe telescopic rod is provided with an ultrasonic sensor, a flow velocity determinator, a pressure sensor and a vacuum piston water sample collector.

探头伸缩杆一端安有超声波传感器、流速测定仪、压力传感器和真空活塞水样采集器。

2·The invention discloses a coal ash melting property determinator, with high reliability and high efficiency, which belongs to a analysis and test device for coal quality.

本发明公开了一种高可靠和高效率煤炭灰熔融性测定仪，属煤质分析测试设备。

3·The construction, main technical characteristics, working principle and test method of the soft rock expansive power determinator are systematically introduced in this paper.

本文介绍了软岩膨胀力测定仪的构造、主要技术特征、工作原理和测试方法。

4·The article briefly described measurement and examination on the on. line fast prediction of acid soluble Al in the Al-killed steel using a home made direct O_2 determinator.

本文简介在鞍钢第三炼钢厂转炉上，采用国产直接定氧仪器，在线快速预报铝镇静钢中酸溶铝的测定试验。

5·Based on it, a portable intelligent waste water activity determinator was developed, with which the biological activity index data can be read directly, stored and printed out.

并在此基础上，研制成功了智能化的污水活性测定仪，实现了生物活性指标的直读、存储及打印输出功能。