查询词典 water-repellent

The deep bed filter is one of the basic units in water treatment engineering,it plays an important role in the produced water treatment of oil field and waste water treatment of refineries.

深层过滤是水处理工程中的基本单元方法，在油田注水处理、石化厂废水治理方面有很重要的地位。

As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. Later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn.

理论工作方面，首先描述了撞针型高压小孔径离心式喷嘴的雾化加湿过程和液体的物理性质，然后结合撞针型高压小孔径离心式喷嘴的结构特点，将其雾化加湿过程分三个阶段进行机理上的研究，这三个阶段依次为液膜形成、液膜初次破碎及二次雾化、水与空气的热湿交换。

Widely distributed in Central America of fresh water and salt waters, the United States for the main freshwater aquaculture species. 1999 U.S. freshwater aquaculture production accounted for about 81 percent of the large warm-water species of fish, fork spots to fish tail as the Ministry of Agriculture to promote the country's fresh water breeding improved varieties have a very obvious advantages: First of Table no scales no small thorn, processing convenience and the other is the quality and refine, nutrient-rich, easy to digest and absorb the third is of miscellaneous eating habits, fast-growing, high yield, strong adaptability and easy to keep the fourth character is tame, like cluster activities , High density of aquaculture, particularly the pond custody and cage culture Fifth Tansi, easy fishing, Youdiao suitable for the development of leisure industry.

广泛分布于美洲中部的淡水和咸水水域，为美国的主要淡水养殖的品种。1999年约占美国淡水养殖总产量的81%，该鱼种是大型温水性淡水鱼类，斑点叉尾回鱼作为农业部向全国推广的淡水养殖的优良品种具有很明显的优点：一是体表无鳞没有小刺，加工方便；二是内质细嫩，营养丰富，容易消化吸收；三是食性杂，生长快，产量高，适应性强，易于饲养；四是性格温顺，喜好集群活动，可以高密度的养殖，特别是池塘主养和网箱养殖；五是贪食，易垂钓，适合发展休闲游钓业。

That the development and production of marine hydraulic valve remote control system is a ship automation and control technology, mainly used for liquid cargo ships, ballast water, bilge water, fire water, concentrated scheduling control, in container ships, bulk carriers, oil tankers, chemical product ships, floating dock, semi-submersible ships, boats and other types of projects are widely used in ships.

目前正积极通过挪威、法国、英国等国家的船级规范，力争将产品全面推向欧美亚。该所研制生产的船用液压阀门遥控系统属于船舶自动化控制技术领域，主要用于船舶液货、压载水、舱底水、消防水的集中调度控制，在集装箱船、散货船、油船、化学品船、浮船坞、半潜船、工程船及其他种类船舶中都有广泛应用。

The flocculation has a very important role in water treatment process,and the extent of perfect of flocculation process directly affect the treatment effect of the following treatment. Traditional flocculation theory was based on the hypothesis that colloid was spherical in water, but in fact the characteristic of shape of colloid and Floc. in water has a great influence on the flocculation effect.

絮凝过程在水处理领域具有重要的地位，絮凝过程的完善程度影响着后续工艺的处理效果，传统絮凝理论都是在假设絮体球形的基础上开展的，事实上水中颗粒物和絮凝体的形状特征对絮凝效果有很大的影响，研究这些形体特征对絮凝过程的影响有助于更加准确的了解絮凝过程。

The precipitate in liquor is a common problem in distilleries which have to tackle with and the frequent causations are as follows: floccule induced by three kinds of higher fatty acid ethyl ester and microthermal storage and filtration could prevent it; white flakes of precipitate induced by containers for liquor storage such as aluminous pots which produced alumina and mare nectaris which dissolved into coating and then caused precipitate; precipitate induced by undergrade additives and CP grade or AR grade additives could prevent it; precipitate induced by water quality and strict management of water quality could prevent it; precipitate induced by packing materials and the solution was acid water washing for new bottles and liquor filling after the inner of the bottles was completely dry.

白酒产生混浊沉淀是一普遍问题，常见的有絮状沉淀，主要由3种高级脂肪酸乙酯引起，可于低温贮存过滤；白色片状沉淀，由贮酒容器引起，铝罐贮酒，会产生氧化铝溶入沉淀，最好不用铝罐贮酒；酒海贮酒会溶入涂料，造成沉淀，酒海贮酒不宜过久；由劣质添加剂引起，最好使用CP级或AR级添加剂；水质引起，对水处理应严加管理；包装材料引起，新瓶应用酸性水洗，且须控干水后再灌酒。

Shared facilities and equipment means the residential district or single houses, the construction cost has been assessed on entering the shared home sales prices up and down the main water pipeline legislation, water pipe, flue, water storage tanks, pressure pumps, boiler, elevator , antenna, lighting, power lines, heating lines, safety facilities, fire facilities, roads, green spaces, trenches, drains, ponds, wells, non-operating car garage, public sports facilities and shared facilities and equipment used in housing.

共用设施和设备是指住宅小区或单房屋，建筑成本已分摊进入房屋销售价格共用上下水管道的主要立法，水管，烟道，水箱，压力泵，锅炉，电梯，天线，照明，供电线路，暖气线路，安全设施，消防设施，道路，绿地，沟，沟渠，池塘，水井，非经营性车库，公共体育设施和共用设施和设备中使用的住房。

This paper establishes a comprehensive evaluation index system frame of improvement rate of soil and water loss by adopting survey data of soil and water loss in several typical regions from water and soil resources, ecological environment and economic development.

采用典型区域水土流失详查，从水土资源、生态与环境、经济发展等方面构建了水土流失治理率综合评价指标体系框架。

While being used, it will change the bound water into free water through touching soil and plants, directly and continuously discharge water in a long time to plant growth.

它在使用时通过与土壤、植物接触，将束缚水还原为自由水，直接和不间断地释放，可用做植物生长的长效水源，最后在微生物的作用下发生生物降解，对土壤没有任何污染、残留。

It has many potential applications such as producing and upgrading heavy water, removing tritium from light water or heavy water, and recovery tritium for fusion reactor.

本论文的主要研究内容分为四部分：憎水催化剂的设计和制备，憎水催化剂的性能评价，氢-水液相催化交换工艺研究以及电解结合催化交换工艺流程的理论计算。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐