给水

The inactivation of chironomid larvae in water supply systems was experimented with environment degradable vitamin K3,its main component 2-methyl-1,4-naphthoquinone,and their congener menadione triamintriazine bisulphite.

采用易被环境分解的维生素K3、其基本成分β-甲基萘醌和同系物三氨基三嗪甲萘醌亚硫酸盐，对在给水系统中出现的4龄摇蚊幼虫进行了杀生实验。

Circular plates with ring- st iffeners have been used frequently in practice.

具有加劝环肋的圆薄板，在实际工程中常常遇到，特别在给水排水工程结构中用得最多。

Coagulant dosing process of water works plays an important role in water treatment .It connects with water quality directly.

水厂混凝投药过程在给水处理中占有重要的地位，直接关系到出水水质。

Bring forward some ways of waterwoks reclamation in small towns: reclaim coagulator, used for structural material, used in refuse dump, utilize in soil etc, and it is strongly recommended that utilize for soil is a facility and energysaving way for most small towns.

无论是从环境保护的角度还是从资源利用的角度，给水污泥的土地利用都有其积极的意义，它将是一种简易而低能耗，适合我国大多数地区小城镇实际情况的污泥处置方式。

Some problems can be solved, such as the deposition of boiler, the loss of cauterization,and the fast augment of the pressure-reduction of the direct current crucible and heater.Therefore, the boiler need not be washed frequently. the run-periodicity of purifyinstrument of coagulator was prolonged, and the service pipe was improved greatly.

采用OT处理后，锅内沉积物量减少、腐蚀损坏降低、直流炉炉管和加热器压降快速升高问题得到了解决、锅炉清洗频率降低、凝结水净化装置运行周期延长、给水管道FAC大有改善等。

So it is important for the security of the whole plant that condensation and feed-water system run normally.

因此凝给水系统的稳定运行对整个动力系统的稳定运行至关重要。

The main content of this paper is devoted to design a high-rise building automatic constant pressure water spray fire-control system.

本论文的主要内容是设计一套专门用于高层建筑自动喷淋式消防恒压给水的控制系统。

It introduces the design of water supply system for fire control of Guangzhou West Tower in this paper.

本文介绍了广州珠江新城西塔消防给水系统的设计情况，并探讨设计过程中遇到的技术难题和解决措施，为今后250m以上的超限高层建筑消防设计提供工程实例及依据。

Company to softening, filtration, deaeration, and reverse osmosis equipment for main products, at the same time to undertake all types of small and medium-sized water treatment works, products widely used in HVAC, thermal, mechanical, textile, chemical, metallurgical and other industries.

公司以软化、过滤、除氧和反渗透设备为主营产品，同时承接各类中小型的给水处理工程，产品广泛运用于暖通、热力、机械、纺织、化工、冶金等行业。

This paper states the theory of supplying water deaeration for industry boiler and analyses the common techniques of deaeration by heating, vacuum and adsorption.

阐述了工业锅炉给水除氧的原理，并对常用的热力除氧、真空除氧、解吸除氧等技术进行了分析。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。