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spray irrigation造句

"spray irrigation"是什么意思  
造句与例句手机版
  • Design the spray irrigation system for forestry nursery
    林业苗圃喷灌系统设计
  • The application and popularization of the lawn spray irrigation
    草坪喷灌技术的应用及推广
  • Design of spray irrigation system for landscape
    浅谈园林绿化喷灌设计
  • On planning design of spray irrigation system
    谈喷灌系统的规划设计
  • Summarization on spray irrigation authorization in liaoning province
    辽宁省喷灌工程自动化应用综述
  • Study and design of spraying irrigation automatic controller based on fuzzy decision
    基于模糊决策的自动节水喷灌控制器的设计
  • Application on spray irrigation system in greenbelt lawn arid region yellow river valley
    黄河谷地干旱区绿地草坪喷灌系统的应用
  • The hydraulic pressure controlling base on plane angle amp; the realizing of arbitrariness shape spray irrigation field
    旋转喷头的水压周期控制与非圆形灌域的实现
  • By the long period of study , the uniformity can be increased to 80 % or more , the result can meet the general requirement for the spray irrigation
    通过这两种方法最终可使喷灌的均匀度达80以上有不错的效果。
  • The necessary motion spray irrigation powered vehicle composition migration or half fixed spray irrigation unit , use each kind of water source ( well , ditch , river , pond , lake , pond ) carry on the spray irrigation to the size land parcel
    配套移动喷灌动力车,组成移动或半固定喷灌机组,利用各种水源(井、渠、河、池、湖、溏)对大小地块进行喷灌。
  • It's difficult to see spray irrigation in a sentence. 用spray irrigation造句挺难的
  • 4 . subjecting the new style sprinkler to the field experiment in order to get the technical data of uniformity of spray irrigation , intensity of spay irrigation , degree of pulverization and ensure the consistency with the iso standard
    对“新型喷头”进行检测,以获得喷灌中的喷灌均匀度、喷灌强度、雾化程度等技术指标,要求其能满足有关的国家标准。
  • In order to improve water resources use efficiency in minqing oasis , trial of irrigating cotton is done by three different ways , which is drip irrigation , semifixation spray irrigation and seepage - preventing ditch irrigation
    摘要为了提高民勤绿洲水资源利用率,在该地区棉田进行了滴灌、半固定式喷灌和渠道防渗灌溉3种不同灌溉模式的节水综合效益比较试验。
  • There are many urgent unsolved problems in spray irrigation , such as the influence of wind , uniformity of spray irrigation , degree of atomization , intensity of spray irrigation , structure of sprinkler , etc . especially , how to decrease the engineering investment is the most primary issue
    喷灌中急待解决的问题很多,诸如风力影响、喷灌均匀度、雾化程度、喷灌强度、喷头构造等的问题,喷灌工程实践表明:降低喷灌工程投资等问题是节水灌溉工程中的首要问题。
  • The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested . the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation , spray irrigation and drip irrigation . ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation , spray irrigation and drip irrigation will be produced , 37
    本项目的研究内容主要包括变频调速装置在管灌、微喷以及大棚滴灌中的节能效果、变频调速装置对微喷和大棚滴灌均匀度的影响以及变频调速装置在管灌中进行“恒量变压”变频运行试验等,同时,对微喷头与中smm低压插入式滴灌带的灌溉均匀度随压力变化情况进行一r试验研究。
  • Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system , a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis , and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented
    摘要在分析了固定式喷灌系统的管网投资、年运行费用与管径函数关系的基础上,利用工程经济分析中费用最小化准则和非线性规划理论,建立了求解喷灌系统管网经济管径的数学模型,并给出了无约束条件直接求解经济管径的计算式。
  • Anticipating results and innovation of the article : fulfilling the noncircular wetted areas is creative feature of this article . it has lots of merits : adapting to all shapes of plowland , gardening park and orchard , saving water and energy , having no blind angle , improving uniformity of spray irrigation , reducing the initial investment of the spray irrigation engi neering
    预期的结果和创新之处:喷出非圆形的喷洒域是该课题的创新之处,它有很好的观赏价值,能适用各种形状农田、园林和果园的喷灌需要,既不浪费水资源,又不会产生喷灌死角、提高了喷灌均匀度,减少喷灌工程的一次性建设投资。
  • Analyzing the finished sprinkler products in our country and overseas , testing all sorts of sprinkler parameters ( elevation of sprinkler , diameter of the nozzle , working pressure , the range of water , uniformity of spray irrigation , intensity of spray irriga tion , the degree of atomization ) so as to compare with the new style sprinkler install with pressure adjuster
    对国内和国外的一些中压喷头成品进行分析、研究、测试取得实际的各项参数(喷射仰角、喷嘴直径,工作压力、射程、喷灌均匀度、喷灌强度、雾化程度)以便和安装“压力调节器”后的喷头进行比较2
  • And it can help us to open up the utilization scope of frequency changer . the main content have been studied in this paper . for example , the energy saving effect of the frequency changer utilization in tube - well irrigation , spray irrigation and drip irrigation , the influence of the frequency changer to the degree of consistency in tube - well irrigation , spray irrigation and drip irrigation , and the full - scale test of the frequency changer used in tube - well irrigation
    本项目在国内首次提出了变频调速装置在管灌中使水泵进行“恒量变压”变频运行的设想,并首次对变频调速装置在农业节水灌溉中的应用进行了实地试验研究,该研究成果对变频调速装置在管灌、微喷及大棚滴灌中的应用具重要的指导意义,对变频调速装置的设计研究及其应用范围的拓展等具有一定的理论意义和很大的实用意义。
如何用spray irrigation造句,用spray irrigation造句spray irrigation in a sentence, 用spray irrigation造句和spray irrigation的例句由查查汉语词典提供,版权所有违者必究。