查询词典 water-tight

The core issue of nutrient control was focused and the dynamic studies on phosphorus pollution of the whole watershed were conduced: 1 to highlight the non-point source pollution control, which is the difficulties research subject of water resource protection; 2 to perfect the calculation method for phosphate input and output, providing important basis on decision making for nutrient control; 3 to establish database and water quality model, to predict the water quality response after different phosphorus control schemes realized; 4 to determine admissible phosphorus loading and control standard according to the quantitative relationship between the external force function (mainly the exotic nutrient salt concentration or loading) and internal nutrient state response, and to work out the effective and practical techniques for eutrophication control.

围绕营养盐控制的核心问题，进行全流域范围磷污染的动态研究：1）突出了目前我国水资源保护研究难点—非点源污染控制；2）完善了流域水库磷盐收支计算方法，为流域营养盐控制决策提供了重要依据；3）建立数据库和水质模型，预测了在实施不同磷削减控制方案后流域供水水质的响应情况；4）根据湖泊外力函数（主要是外来营养盐浓度或负荷）与湖库内营养状态响应间的定量关系，确定了磷允许负荷量及控制标准，提出了有效的富营养化控制实用技术。

Also, take steps to increase water movement, such as ensuring there is good water circulation, add a fountain to aerate water, and add oxygenating plants.

同时，采取措施，提高水的运动，如确保有良好的水循环，增加一个喷泉，以通气水，并放入充氧植物。

Water hysteresis in aerated zone of soil is significant to the development and utlization of water resources as well as the protection of water environment.

在水资源开发利用与水环境保护方面，包气带土壤水分滞留曲线非常重要。

In order to improve Guanting Reservoir water quality, Ministry of Water Resources and Ministry of Science and Technology put a pilot study on Biological Aerated Filter for Guanting Reservoir Water Source.

为改善官厅水库水源水的水质，水利部、科技部提出官厅水库水源水曝气生物滤池工艺的试验研究。

Liquid state drink:Fresh fruit juice, soda water, aerated water, mineral water, energy drink, tea drink.

液态饮料：鲜果汁、苏打水、汽水、矿泉水、功能饮料、茶饮料。

The more the water is polluted, it's not used for anything, the least polluted water is supplied to places where Water is used affluently.

水污染的越是严重，那么它将无法被利用；而污染较为轻微的水则可以输送到那些需大量用水的地方去使用。

Oil/water two-phase flow is very common in oil production wells of affusion oil field and the measurement of oil/water two-phase flow is the key of the oil/water two-phase profiling technique.

摘要注水开发油田的油井中普遍存在油水两相流动，油水两相流测量问题是油水两相产出剖面技术的关键。

When producing float pool or bad water, urgent and many affusion or change water to be able to improve water quality quickly.

发生泛塘或坏水时，紧急大量注水或换水能迅速改善水质。

We carry on a processing to the oil extraction waste water, instead in return to affusion, then not only will they satisfy the affusion of water which increase increasingly in the process of the extraction of the oil-field, but also can save the water resources and reduce pollution of the environment, bring an economic performance for the oil-field, its advantageous to the oil-field can keep on a development.

试验后水质明显改善，符合辛一站的水质标准。本论文的实验研究工作在胜利油田辛一站进行，首先分析了辛一站的采油废水的性质，用悬浮污泥过滤法简称SSF和超滤膜过滤法2种方法，分别进行了辛一站采油废水处理试验。

The second part for the existence form water in albite jade. Through infrared spectrum analysis to albite jade in whether to contain water as well as the water type.

第二部分为钠长石玉中水的存在形式的研究，通过红外光谱分析对钠长石玉中是否含水以及水的种类进行分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。