还着重讨论了红外碳硫分析仪设计中的一些可靠性技术。
本文叙述了定氢仪的测氢原理、结构、特点及定氢仪在环境试验中的用途。
1·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。
2·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。
3·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。