Determined the residue of fluroxypyr in paddy field water and soil by derivative reaction and GC.

通过衍生化反应和气相色谱检测来测定稻田水、土壤样品中氟草烟的残留。

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WHO calls on all donors to provide chlorine tablets, bottled water or field water production facilities.

世卫组织呼吁所有捐助者提供氯片剂、瓶装水或现场水生产设施。

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Research result shows that It can make effective irrigation scheduling by using field water balance model.

研究结果表明，利用农田水量平衡模型可对棉花灌溉进行有效管理。

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So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.

不像水或者空气密度的,周期变化，我们这里,讨论的是电场。

麻省理工公开课 - 化学原理课程节选

Proven capacity to plan and set up training courses in the field of water sciences.

UNESCO: Vacancy : Deputy Secretary, IHP; Senior Programme Specialist in Hydrological Sciences (26/6/2011) (SC 419 - (P5))

Experience in developing, implementing and evaluating projects in the field of water sciences.

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The Director-General and Mr Kuroda agreed to work together to institutionalize cooperation in the field of water management, disaster risk reduction and education.

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