灌溉
- 与 灌溉 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The coaxal coherent chart of irrigation water puts allfactors into one chart:channel transport capacity, field water consumption strength ,benefit area and irrigation time.
灌溉用水合轴相关图把渠道供水能力,田间耗水强度,效益面积、灌水时间等因素融于一体,按照一定的关系以曲线或直线组绘成合轴相关图,通过该图即可初步设计渠道流量,选定灌溉面积,也可确定轮灌周期、轮灌面积等。
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Recirculated landfill leachate irrigation benefits to its volume reduction and pollutants removal, especially on soil with Cynodon dactyton. The results show that it is feasible to irrigate the landfill closure system with recirculated landfill leachate in practice.
渗滤液覆盖层灌溉处理有良好的水量减量和主要污染物去除效果,且有植被时效果更佳,表明填埋场封场覆盖层灌溉处理渗滤液是可行的。
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Parthenocissus quinquefolia could accept the 75% mc irrigation level. duchesnea indica was sensitive to water stress and needed ample irrigation.
五叶地锦可以耐受75%mc的节水灌溉水平,而蛇莓对水分胁迫敏感,需要采取充足灌溉。
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growth of potted seedlings of duchesnea indica and parthenocissus quinquefolia at different irrigation levels was studied by weighting. their drought-resistance was analyzed by difference significance to guide landscape irrigation management.
小 摘要:采取盆栽称质量法研究了蛇莓和五叶地锦在不同灌溉量处理下的生长状况,通过差异显著性分析确定其耐旱水平,以期为园林灌溉管理提供指导。
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The paper analyzes the soil water dynamics and water requirement law of alfalfa,feed maize and ensile maize under 3 kinds of water-saving irrigation conditions through experimental study on the crops.
对节水灌溉条件下的紫花苜蓿、饲料玉米和青贮玉米需水量进行了试验研究,分析了不同灌溉水平下3种饲草料作物的土壤水动态和需水规律。
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Water flows on the film that was covered at bottom of border and infiltrates into soil through the holes and the crop growth from the fole.
该灌溉方式是将地膜平铺于畦中,从而实现利用地膜输水,通过出苗孔、专用供水孔入渗来进行灌溉的方法。
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Starting with the elevation of underground water resources and a safe level of mining through variable system theory, this paper analyzes the conditions of underground water resources based on the well-studied determination method of determining the two hydrographical coefficients: rainfall infiltration replenishment rate and irrigation replenishment rate. Then considering irrigation, rainfall, drainage and other related factors, a mathematical model is set up for the calculation of underground water storage,exploitation on water regulation. After analyzing the adaptability of molepipe drainage, an underground water table regulation is given out.
论文从灌区的地下水资源及其可开采量评价分析方面入手,在对两个主要的水文地质参数即降雨入渗补给系数、灌溉入渗补给系数确定方法研究的基础上,对灌区的地下水资源状况进行分析,依据灌区的灌溉、降雨、排水条件及各种现状因素,建立了地下水资源量计算的数学模型,西安理工大学工程硕士专业学位论文计算得到青铜峡灌区地下水的最大补给量和可开采量;另外对在开发利用地下水资源过程中的地下水位的调控进行了初步的探讨,在银北灌区开展对暗管排水调控地下水位的试验研究。
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The distributed hydrological model is important and practical in water resources management in the future.
1.1 农业灌溉模型通过现代科技提高农业灌溉效率对经济和环境的发展将产生巨大影响,但这方面的研究还没有得到全球范围的推广,尤其是在以农业为主的发展中
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This thsis analyzes water-saving irrigation technology economical character, technology providers' behaviors, supplying model, supplying efficiency, system inspiritment and technology application affecting factors on the basis of resource economics, system economics, informition economics and sustainable development theory.
本文以资源经济学、制度经济学、信息经济学和可持续发展理论为指导,对节水灌溉技术的经济特征、技术供给主体的供给行为、供给模式和供给效率、技术应用中的制度激励等进行剖析,对影响节水灌溉技术应用的因素进行了实证分析。
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In this paper,the test results of a few high-yield irrigation models for rice planting in black grass soil of cold region are presented,they show that the optimum irrigation model is the dry-wet intermitted irrigation method.
对寒地草甸黑土稻作的几种高产灌溉方式进行了试验研究,结果表明:干湿交替不建水层的间歇过水灌溉方式为最佳。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。