引水灌溉
- 网络Diversion irrigation;irrigation water dive from river
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塔里木河干流引水灌溉及其对河道冲淤的影响
Study on Irrigation Diversion and Its Influence on Tarim River
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他们挖掘沟渠从大运河引水灌溉稻田。
They dug channels to bring in water from the Grand Canal to irrigate the rice fields .
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甘肃东部引水灌溉工程引起的负效应及其防治
Negative Effects Caused by Water Diversion Irrigation Project in the Eastern Part of Gansu Province and Their Controlling
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很多农民的田地是通过竹管从河流或湖泊中引水灌溉的。
Many farmer 's fields are irrigated by water brought from a river or lake through bamboo pipes .
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在准噶尔盆地西北缘古玛纳斯湖湖积平原区,通过引水灌溉进行规模土地开发中,利用紫花苜蓿作为先锋植物对新垦殖土地进行的改良和熟化。
A study to use alfalfa as pioneer plant to improve virgin soil at North-West Junggar Basin was carried out .
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污染带的分布与近20多年来的洪水淹没区和引水灌溉区呈现高度的一致性。
The distribution of this polluted zone is quite consistent with the flooded area and irrigated area formed in past 20 years .
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本文简要地引述了我国早期的引水灌溉工程,指出了仔在的主要问题(泥沙问题)。
In this paper , diversion works built in the ancient time are briefly described and sediment problems encountered are pointed out .
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陕西泾阳南塬黄土滑坡灾害与引水灌溉的关系
The hazards of loess landslides in the southern tableland of Jingyang county , shaanxi and their relationship with the channel water into fields
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在农灌区引河水通过田间入渗补给地下水。(3)北部盆地,在金塔灌区,地下水主要接受引水灌溉入渗补给;
In the north basin , groundwater gets water from surface water through irrigation in agricultural land or gets water from river influent seepage through riverbed .
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浅谈公路养护管理工作中的几点措施对草场采取围栏养贮、引水灌溉和保护管理措施;
On the countermeasures of road maintenance Many measures have been taken to protect grasslands , such as enclosure with fences for livestock breeding and irrigation .
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该地区蒸发量大,降水稀少,水资源严重短缺,农业发展强烈依赖于黄河引水灌溉。
The evaporation is large and precipitation is scarce , and shortage of water is severe . In consequence the agriculture development heavily relies on Yellow River irrigation .
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火车驶过水泥桥和浑浊的灌溉渠,那是当年外国佬开凿,用来引水灌溉种植园的。
The cement bridge passed by , and the muddy waters of the irrigation ditch from the days when the gringos diverted the river to bring it to the plantations .
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散耗型模型考虑了水在不同介质和不同形态之间的交换或转化,并重点考虑人类活动如引水灌溉、地下水的开采等对水平衡的影响。
The water movement and exchange in deferent media and phases are investigated , and the influences of human activities such as irrigation , exploiting groundwater are also taken into consideration .
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对甘肃东部引水灌溉工程引起的地面塌陷、滑坡、土壤盐渍化等负效应进行了分析,并提出了一定的防治措施。
The paper analyses the negative effects of land collapse sink , landslide and soil salinization that caused by water diversion irrigation projects in the eastern part of Gansu Province , and put forward the control countermeasures .
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平原河流上筑坝引水灌溉,要遵循河流流势的基本规律,合理布置枢纽的堰、闸、导流墙、进水闸等建筑物。
This paper presents that diversion irrigation building dam on river and stream of plain should follow the natural law of river and stream , and reasonably layout buildings such as weirs , gates , diversion walls , and intake gates etc.
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从对黄河流域70多年气象、水文等资料的分析入手,阐明了气候变迁、引水灌溉及水利、水土保持工程等因素对黄河水沙变化特征的影响。
Starting with the analysis on meteorological and hydrologic data more than 70 years in the Yellow River valley , the influence climate variation , irrigation by channeling water , and projects of water conservancy and soil-water conservation ect . was expound .
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韶山灌区是湖南省迄今为止最大的引水灌溉工程。以灌溉为主,兼具发电、防洪、排渍、航运、工矿、城镇供水、养殖、旅游等综合功能。
Hunan Shaoshan Irrigation Area is the largest irrigation water . Mainly in irrigation , both for power generation , flood control , Draining of floodwater , shipping , condition of urban water supply , aquaculture , tourism , and other integrated functions .
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为保持土壤的水分,中国劳动人民很早就开始修筑带有水阀的沟渠。各国的统治者也把水利事业的发展看作是富国之道的重要措施之一,他们通常会组织人力开渠引水灌溉都城附近的田地。
To assure the moisture of soil , Chinese farmers since oldest times built dykes and canals with small sluices , while the rulers of all states also took the development of water conservancy as one of the important measures to enrich countries .
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它包括两个方面:一是当渠首可引水量能满足灌区灌溉用水量时,则不需要提水灌溉;
Two aspects of the problem are discussed : one is that lift irrigation is no need when abstraction volume capability of canal head can meet the demand ;
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在温带半湿润季风气候区,运用复合式取水闸门引水库表层水灌溉农田,可避免取水库底层水时水温偏低,不利于农作物生长的问题。
In semi-humid monsoon climatic areas in the temperate zone , adopting compound gates to divert surface-layer water from a reservoir for irrigating farmland can avoid taking low-temperature water from bottom layer of the reservoir which is unfavourable to the growing of crops .
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在引水渠出现之前,埃及、巴比伦和亚述人用原始运河引水灌溉,而罗马人则利用土木工程技术对运河进行改进,从而发明了引水渠。
While the Romans did not invent the aqueduct - primitive canals for irrigation and water transport existed earlier in Egypt , Assyria and Babylon - they used their mastery of civil engineering to perfect the process .
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并提出了各轮灌组引水时间均一化处理方法,使各轮灌组在同一引水时间结束灌溉,从而可使配水渠道进水闸能在同一时间关闭。
Also the method of treating same delivery time is proposed . Each rotational irrigation group is completed at the same delivery time and the intake gate of the distribution channel can be closed at the same time .