灌溉的
- 与 灌溉的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In their work, carried out at the FOM Institute for Atomic and Molecular Physics in The Netherlands, Catchpole and Polman showed that light capture for long-wavelength light could be improved by a factor of more than ten.
据水利部节水灌溉示范基地负责人介绍,这种纳米塑料管材具有质优价廉的特点,在新疆、内蒙古、宁夏等一些地区的节水灌溉和输水管道中得到应用,受到了专家和用户的欢迎,取得了很好的效果。
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With the increasing of irrigation , chlorophyl 1 content of three turfgrasswould go up , but to some degree,over-irrigation would also result in the decline of chlorophyll content.
叶绿素含量总体都是随灌溉量的增加而增大的,过高的灌溉量甚至会引起叶绿素含量的下降。
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Taking the irrigation with reclaimed water of Dawukou Forest Park in Ningxia as an example, through the indoor test of one-dimensional dust columniation , the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied.
摘要以宁夏回族自治区大武口市森林公园利用再生水灌溉为例,通过室内一维土柱试验模拟土壤的入渗过程,研究了不同灌溉入渗条件下污染物在土壤中的运移规律,结果表明:土壤的吸附作用是影响该地区土壤污染物迁移的主要因素。
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Taking the irrigation with reclaimed water of Dawukou Forest Park in Ningxia as an example,through the indoor test of one-dimensional dust columniation,the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied.
以宁夏回族自治区大武口市森林公园利用再生水灌溉为例,通过室内一维土柱试验模拟土壤的入渗过程,研究了不同灌溉入渗条件下污染物在土壤中的运移规律,结果表明:土壤的吸附作用是影响该地区土壤污染物迁移的主要因素。
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Thearticle gives the method of confirming the insufficient irrigational rule of three mainkinds farm crop which are wheat, corn, cotton of big farmlands, furthermore comparingthe effect of saving water to increase production under different rule of insufficientirrigation.
文章给出了小麦、玉米、棉花等三种主要大田作物的非充分灌溉制度的制定方法,并对不同的非充分灌溉制度的节水增产效果进行了比较。
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In order to irrigate farmland conveniently or drain water smoothly, we must clear plants in watercourse.
灌溉及排水用的渠道因为灌溉取水的需求,或是保持排水的顺畅,必须将河道中的植生去除。
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The sample data of impinging pressure of irrigating water column impinging to seedbed furrow can been direct collected by computer,and the water power characteristic of impinging water column can been studied by analyze the sample data.
要解决这一问题、彰显穴灌坐水播种的优势就必须正确认识灌溉冲击水柱在沟内的水力特性,特别是灌溉水注对种沟沟底的冲击压力特性。
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Taking a winter wheat field (4 400 m2) of Jinghai county seed farm as experimental plot,sampling by regular grid with with 10 m ×10 m grids,48 sample points were oriented by GPS receipt machine to analyze soil water content at the depth of 0~20 and 20~40 cm in pri-winter,jointing stage and filling stage of winter wheat.The spatial distribution map of soil water of the winter wheat field using geostatistical analyst model of ARC/INFO was drew.And the spatial variability of soil water in vertical and horizontal direction was analyzed.The results could offer scientific evidence for the deciding of the exact time and quantity for winter irrigation.
以天津市静海县良种场内一块长约110m,宽约40m的冬小麦田作为试验区,采用规则格网采样,按照10 m ×10m设置格网,共设48个采样点,通过GPS手持机进行定位,分别于小麦越冬前、拔节期、灌浆期,利用便携式土壤湿度数据采集器对试验地各个采样点0~20、20~40 cm 2种深度土壤含水量进行了测定,利用ARC/INFO的地统计分析模块绘制了冬小麦3个不同生育期试验区土壤水分空间分布图,并分析了其垂直和水平方向的空间变异特征,以期为确定最佳灌溉时机和灌溉量提供科学依据。
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The overriding lesson from history is that most irrigation-based civilizations fail," writes Sandra Postel in her compelling survey of the global water crisis, Pillar of Sand: Can the Irrigation Miracle Last?"
桑德拉波斯特尔在其有名的全球水危机调查报告《沙之柱:灌溉奇迹还能维持吗?》中说:&最重要的历史教训是,大多数以灌溉为基础的文明已经衰落。&
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At the same time, based on numerical simulation, the method of determining the appropriate emitter discharge was proposed for drip irrigation system.
为了提高微压滴灌系统的设计精度,保证系统的灌溉质量,研究了滴灌系统技术参数对系统灌溉质量的影响,初。。。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。