In order to understand flash boiling injection, the drop velocity distribution in steady spray of freon R12 as test liquid was investigated by using LDA technique.

为探索闪急沸腾喷雾的形成机理，以氟里昂R12为试验掖体，采用激光多普勒测速仪（LDA）测量了稳定流动条件下粒子的速度分布。

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Procedure b: Wet calibration process. This procedure needs the sensor input signals and NIST traceable test liquid. Correct operation will result in the most accurate system calibration.

流程b：湿标定过程。本流程需要用传感器输入信号与NIST可追溯性测试液。正确操作，会完成最精确的系统标定。

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JLD series hydraulic valve testing bench is a set of mechanical, hydraulic, pressure test liquid media storage cycle used in one, with perfect function, stable performance, high degree of automation.

JLD型系列液压阀门测试台是集机电、液压、试压液体介质贮存循环使用于一体，具有功能完善、性能稳定、自动化程度高等特点。

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To test the liquid, he placed a drop in the soil of a dying flower growing in a pot in the room.

VOA: special.2009.09.26

And earlier this month, Airbus, in association with Shell, Rolls Royce and Qatar Airways, began a research project to test 'Gas to Liquid' (GTL) technologies that convert lower-emission natural gas and other synthetic fuels into liquid kerosene.

CNN: Flight of biofuel fancy?

They are working with the Farmwatch scheme in the Test Valley to introduce a liquid substance which can be added to fuel to "chemically tag" it.

BBC: Heating oil 'tagged' to tackle rural theft in Hampshire

It is contained within the case of the rocket, into which is pumped a liquid oxidiser called high-test peroxide (HTP), a concentrated form of hydrogen peroxide which is relatively safe to handle.

ECONOMIST: The land-speed record