The field water use efficiency is a key indicator for the water-saving agriculture research.
农田水分利用效率是节水农业研究的关键指标。
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。
At present, the primarily processing method about gas-field water is to inject them into stratum.
目前气田水的处理方法主要是回注地层。
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。
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。
Practice also shows that the development of oil field water injection to obtain a higher ultimate recovery.
实践也表明，注水开发油田，可以获得较高的最终采收率。
Reinjection of gas field water is the best method for solving the polluting problem of the gas field water.
气田水回注是解决气田水对环境污染的有效途径。
The evaporation of water phase has been used to remove high concentration of chloride anion from oil field water.
本文采用水相蒸发除去大量的氯离子，用等速电泳法对油田水中短链有机酸进行了定性定量分析。
This paper first sets up the concept of the effective irrigation quality index system of field water application.
本文根据传统田间灌水质量指标体系存在的不足首次提出了有效田间灌水质量指标体系的概念。
The utilization coefficient of irrigation water contains the utilization coefficient of canal system water and field water.
灌溉水利用系数包括渠系水利用系数和田间水利用系数。
Compared with the data of two field experiments, the model is effective and can be used in field water and salinity management.
通过与两个野外实测资料对比，证明本模型是简单有效的。
However, it produces the fracturing liquid in fracturing, which has become one of the current oil field water pollution sources.
但油井在压裂过程中产生的压裂返排液已成为当前油田水体污染源之一。
The residues of 20% triazophos EC in rice field water, plant, rice shell and unpolished rice were determined by gas chromatography.
用气相色谱法测定了田间试验中20%三唑磷乳油在稻田水、植株、土壤、稻壳和糙米中的残留。
This research has great theoretical significance in the study of the vadose field in gas field water and the origin of groundwater.
对于相关的气田水渗流场和地下水成因的研究具有重要的理论意义。
The antiscaling method of sealed drainage is proposed out by studying the gas field water components, scaling origin and scaling tendency.
通过对川南气田水水质、结垢成因、结垢趋势的研究，提出采用密闭排水防垢方法。
This paper studies corrosion and electro-chemical behaviour of steel in the two-phase system of petroleum hydro Caron and oil field Water.
本文研究了石油烃——油田水的两相体系中钢的腐蚀及电化学行为。
In this paper, an intelligent real-time control system based on DSP (digital signal processor) for oil field water injection is introduced.
介绍一种以dsp(数字信号处理器)为核心的油田注水智能实时控制系统。
Potentiometric titration was a good helper on oil field water quality analysis with the characteristics of accurate, rapid and reproducible.
电位滴定法滴定准确、快速且重现性好，是油田水质分析的好帮手。
In this paper, the indoor test is made to simulate field water injection irrigation, and the moisture diffusion process is studied systematically.
采用室内试验方法模拟田间暗式坐（注）水灌溉，并对水分扩散进行研究，描述暗式坐（注）水灌溉的水分浸润、扩散过程。
Suitable irrigation times were defined according to difference of water consumption between different stages and dynamic analysis of wheat field water.
进而根据小麦阶段耗水的差异和麦田水分动态分析，确定了小麦适宜灌溉期。
The predicting field water level can be compared with the measured real time field water level and the pump and gate action can be controlled in the system.
该系统可把预设农田水位与测得的农田实时水位进行比较，并据此控制闸门和水泵的动作。
As oil-field water and deep groundwater lie in a reduction or weak reduction environment, the concentration differentiation effect of uranium is not obvious;
油田水和深层地下水由于处在还原和弱还原环境中，铀的浓度分异效应不显著；
The principal compositions of soluble materials of the Ordovician oil field water in Tahe oilfield are consistent with sea water, suggesting its Marine origin.
塔河油田奥陶系油田水的可溶物质主要成分与海水一致，表明其主要为海相成因。
The standards of field water control and potential of saving water, increasing rice yield and water productivity of these regimes are introduced and explained.
阐述了这些模式的田间水分控制标准以及节水、增产和提高水分生产率的潜力；
Soil water infiltration is a critical component of field water circulation, and Numbers of infiltration models with different properties and functions were established.
土壤入渗是田间水循环的重要组成部分，国内外学者提出了具有不同特点和用途的入渗模型。
The soil, field water, rice plant and protein in rice grains were analysed and determined after fish cultured in paddy field (rice on the ridge and fish in the furrow).
对稻田养鱼(垄稻沟鱼)后的稻田土壤、田水、水稻植株、稻米蛋白质等进行了测定。
South Sichuan gas area with a lot of gas field water takes Lower Permian Series gas reservoir as main body. Gas field water scaling is a difficult problem in production.
川南地区是以下二叠统气藏为主的气区，产大量的气田水，气田水结垢是生产中的一大难题。
It established the certain theory and the practice foundation for the irrigation management automation realization through consummate the cotton field water management system.
棉田水分管理系统的完善为灌溉管理自动化的实现奠定了一定的理论和实践基础。
But many problems with negative effects for production appear in the field water draining jobs with foam, which cause the production of gas Wells decreasing, even off production.
但在现场泡排作业的同时也出现了许多不利于正常生产的问题，从而导致气井产量下降甚至停产。
Through fixed field experiment and determinations of soil moisture, the field water utilization efficiency of wheat and rape seeds was discussed under no tillage and straw mulching.
通过田间定位试验和土壤水分的测定，探讨了免耕和秸秆覆盖还田对小麦、油菜土壤水分利用效率的影响。
应用推荐