water-carrying pipe是什么意思

网络释义

用法例句

Through analyzing water quantity of surface water cross-sections, field data of 12 groundwater monitoring sections and 33 vegetation sample plots during the 5 times of emergent water conveyance in the lower Tarim River, the relationship between groundwater restoration and vegetation response is to be found out.

通过对塔里木河下游5次应急输水各断面地表水水量、12个地下水监测断面观测数据和33个植被样地实测资料的统计分析,找寻应急输水地下水恢复与植被响应之间的关系。

It has satisfied the aim of long-distance water conveyance, balanced water use, long-distance transfer and distribution of sediment or water and sand balance, which is resulted in remarkable economic, social and environmental benefits.

“高水位、大流量、速灌速停”输水措施的实施,使山东省位山灌区达到了远距离输水、均衡用水和远距离输沙、分散沉沙及最终实现灌区水沙资源平衡的目的,其经济效益、社会效益和环境效益显著。

Some problems of roughness selection in the design of water conveyance pipe are discussed.

分析了目前输水管道设计中糙率选取存在的问题 ,提出了不宜选用单一糙率进行管道水力学计算 ,而应综合考虑输水水质、水温、管材及制作工艺、管径大小等因素 ,选取能包络各种运行工况的一定范围的糙率上下限值 ,作为水力学计算参数 ,以保证管道输水工程既能在长期运行时达到设计流量 ,又能安全运

Analyses and simulations of the water transfer from the lower Tarim River;

塔里木河下游输水过程的分析与模拟

Along the water diversion route,there is no regulating reservoir with complex meteorological and hydrological conditions and difficulties of regulation,especially water transfer in ice condition.

南水北调中线工程全长1400多km,大型建筑物数量多,沿线没有一座在线调节水库,沿线气象、水文条件复杂,控制难度大,冰期输水问题尤其突出。

From the first emergency water transfer in 2000, the lower reaches of the Tarim River, has carried on seven times during the seven years and the total water transfer quantity achieved 2.

塔里木河下游自2000年第一次应急输水以来,七年间共进行了七次应急输水,总输水量达到20。

Research on Ecological Effect in the Lower Reaches of Tarim River After Water Transport;

塔里木河下游输水后生态效应研究

The response scope of natural vegetation in the lower reaches is obvious after ecological water transport.

从 2 0 0 0年 5月至 2 0 0 2年 7月塔里木河向下游 4次输水所引起的地表植被的变化来看 ,生态输水后 ,植被响应明显 ,在距离河道 15 0m范围内 ,草本植被重新萌发 ,种类也明显增加 ,乔灌木植被反应更加明显 ,出现了胡杨实生苗。

Vegetation restoration after emergent water conveyance to lower reach of Tarim River.;

新疆塔里木河下游应急输水植被阶段恢复分析

In order to rehabilitate and reconstruct the seriously damaged ecosystem, eight emergent ecological water conveyances were conducted from 2001 to 2006.

在实地考察和前人研究资料的基础上,对塔里木河下游生态输水的背景进行了介绍。

Combining methods of questionnaire,sampling and statistics data,this paper analyzes the changes of the shepherds and farmers income,and the local economic development after the ecological water conveyance of Tarim River.

调查结果表明:90%以上的被调查者赞同生态输水带来了明显的经济利益,至少76%的农户家庭收入在输水后得到不同程度的增加;农牧民家庭收入增加更显著。

Pollution remediation along east route of South-to-North Water Transfer Project and risk analysis of quality of water conveyance;

南水北调东线治污及其输水水质风险分析