在中后期采用水淹规律研究、不稳定注水研究、提高注水波及体积研究、优化水井射孔方案等方法也取得了较好效果。
In middle and later stages we can use water-flood law study, unsteady water-injection study, enhancing water spread bulk study and optimizing injection-well scheme and we also gained good effect.
为此，要遵循价值规律原则、供求规律原则、统筹安排原则、促进节约用水原则和逐步到位原则。
Therefore, the principles have to be obeyed are as follows: law of value, law of demand and supply, overall planning principle, water saving promotion, and operation step by step.
目的研究各种因素对饮用水补碘剂中碘元素缓释规律的影响。
Objective to research the effects of influential factors on the slowly releasing law of iodine supplement reagent in drinking water.
虽然首都有90%的居民可以用上安全的水，但只有大约三分之一的人享有管道入户的饮用水—即使是在这些人中，也有许多人面临不规律的供水。
While 90% of the capital city's residents have access to safe water, only about one-third have drinking water piped into their homes-and even among that group, many get only an irregular supply.
用水基凝胶注法制备出ysz固体电解质薄膜，研究了温度、湿度和坯体厚度对干燥过程的影响规律。
YSZ solid electrolyte film was prepared by aqueous gel casting. The influences of temperature, relative humidity and sample thickness on drying process were studied.
通过大量冷态试验，在大范围变化工况、变化喉部面积及变化背压条件下，利用水对低温流量控制系统进行研究，得到了流量系数、压力恢复系数的变化规律。
And water is used in cold test. Through changing operating conditions, throat area and back pressure, the change rule of discharge coefficient and pressure recovery factor were found.
利用水化学、同位素调查的方法，对宁南清水河平原地下水的水化学演化规律进行了研究。
The hydrochemical and isotope charateristics of groundwater in Qingshuihe plain was studied by the methods of hydrochemical and isotope investigation.
文中提出的模型具有明显优势，它反映了城市生活用水的变化规律。
The method is obviously more advantageous than others, as it reflects the fluctuation pattern of urban domestic water consumption.
掌握泥沙的变化规律，对该地区的工、农业用水，城市用水，水资源的合理化利用和保护有着十分重要的意义。
The results could be used to analyze the law of sediment change, which is important for utilizing and protecting the local water resources.
结合广州市部分经验调度工况的结果，从宏观角度分析广州市的用水量变化规律及其影响这种变化规律的内在因素和外在因素。
Combined with the results of empirical dispatching modes in Guangzhou City, the change law as well as its internal and external factors of water consumption is analyzed from the macroscopic viewpoint.
以农用水资源为研究对象，系统论述了农用水资源的组成、特性、调控及变化规律。
The status of water resources and its utilization in Hebei Province was stated, and several scientific researches on sustainable utilization of agricultural water resources were carried out.
利用水模拟实验研究连铸浇注操作工艺(参数)对板坯结晶器内液面涡流的影响规律。
The experiment of water model has been conducted to study the effect of pouring technical parameters on the surface flow and vortex in the mold of continuous casting of slab.
利用水模拟实验研究连铸浇注操作工艺(参数)对板坯结晶器内液面涡流的影响规律。
The experiment of water model has been conducted to study the effect of pouring technical parameters on the surface flow and vortex in the mold of continuous casting of slab.
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