查询词典 water supply

Pollution of the water supply reached a level pernicious to the health of the population.

一些经济学家对失业率达到前所未有的程度表示忧虑。

At present, many tests on dilatational strain and research on swelling constitutive relationships have been carried out. However most of these tests and research are based on plenteous water supply.

目前关于膨胀岩的膨胀变形试验和膨胀本构关系的研究已相对较多，但绝大多数成果都是建立在充分膨胀的基础上。

Mineral concern is an important attribute with regard to the suitability of a water supply for agricultural use, as well as for potability.

农业用水的矿物质含量是决定其是否适合用于农业的一个重要因，还包括适合饮用性。

On the basis of analyzing in quo of the waterworks in our country, this designs a suit of constant pressure water supply automatic system paper by using variable frequency speed-regulating technology based on PLC.

本论文结合我国中小城市多层住宅小区的用水现状，设计了一套基于PLC的变频调速恒压自动控制供水系统。

Italian companies in the field of water supply and heating has more than 40 years of history, the expansion tank and the pressure tank with a world-class quality products.

意大利瓦诺公司，在供水和供热领域中已经拥有40多年历史，其膨胀罐和定压罐产品具有世界一流品质。

Products are mainly marine flange, steel flange with petro-chemical, product specification areas: Metric DN15 ~ DN2000, Inch Series 1 / 2 "~ 78", according to GB, HG, SH, SY, DL, and ASME, ANSI , JIS, DIN and other standard production, are widely used in petroleum, chemical, natural gas, electricity, nuclear power, metallurgy, shipbuilding, food, pharmaceutical, urban water supply and environmental protection management of the road industry, and its materials, specifications, size, performance in full compliance with relevant standards.

法兰产品主要有船用、石油化工用钢制法兰，产品规格范围为：公制DN15~DN2000，英制系列1/2"～78"，可按GB、HG、SH、SY、DL和ASME、ANSI、JIS、DIN等标准生产，广泛应用于石油、化工、天然气、电力、核电、冶金、造船、食品、制药、城市供水和环保等行业的管路上，其材质、规格、尺寸、性能完全符合相关标准。

Welded stainless steel is widely used in petrochemical, pharmaceutical, food, drink beer, biological engineering, city drinking water supply and drainage works and other industries, because products with high technical content, compared with the stainless steel seamless pipe, there is a wide range of product coverage, thickness uniformity high precision, smooth wall, no pitting, good quality and so on.

不锈钢焊管广泛用于石化、制药、食品、啤酒饮料、生物工程、城市饮用水供排水工程等行业，由于产品技术含量高，同不锈钢无缝管比较，有产品覆盖范围广、壁厚均匀、精度高、内壁光滑平整，无麻点、质量好等特点。

Two experiments both of simulation under rainproof shelter and plot in field were done to study the relationship between the yield of spring corn and soil moisture in the different treatments of water supply in Non-irrigated Plateau of Loess.

采用田间遮雨棚下模拟土柱的试验方法和田间小区试验方法，对黄土旱源长武塬区不同土壤水分处理下玉米产量与土壤水分关系进行了研究。

Based on the presentation of types of pressure reducing valve , how to select the position of pressure reducing valve in building fire water supply system was discussed in the design of No.

在介绍了减压阀类型的基础上，结合南宁世贸商城三号楼设计，探讨了减压阀在建筑消火栓给水系统中的位置选择问题，可供建筑消防给水系统设计和审查人员参考。

A kind of new remote measuring and controlling terminal system for the water supply of railway station is introduced.

介绍了一种新型的铁路沿线供水远程测控系统设计方案，可以对供水站点设备进行远程监测，同时还可对设备进行控制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。