提前灌水 的英文怎麼說

中文拼音 [dīqiánguànshuǐ]
提前灌水 英文
pre irrigation
  • 提 : 提動詞（垂手拿著） carry （in one's hand with the arm down）
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 灌 : Ⅰ動詞1 （輸水澆土） irrigate 2 （倒進去; 注入） pour in; fill 3 （飲酒; 勉強他人飲酒） drink wine...
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 提前 : 1 （往前移） shift to an earlier date; move up （a date）; bring forward; advance 2 （事先） in a...
  • 灌水 : irrigation; watering
  1. Although mri is still the gold standard when it comes to colorectal cancer staging, a new study from italy shows that preoperative multidetector - row ct ( mdct ) staging using a water enema may offer some advantages over air insufflation

    盡管提到直腸癌的分期mri仍然是其金標準，但一項來自義大利的研究表明術前應用水灌腸較空氣有更多優勢。
  2. At present, whereas so many reasons such as its using function changing from irrigation to city water supply, the increasing of importance, the original design standard on the low side, the damage and aging of structure, the demand for seismic fortify in strong earthquake region and offering data of technical alteration for adding flux aftertime, it is important for safety and seismic capability of this aqueduct bridge

    目前，該渡槽使用功能由灌溉輸水改為城市供水、實際重要性提高、鑒于原設計標準偏低、結構的病害和老化破損以及地處強震區對抗震設防的要求，為日後加大流量進行技術改造提供依據，因而急需對渡槽作較詳細的安全可靠性評估和抗震性能評估。本文針對該渡槽進行了原位現場檢測，並對其進行結構分析計算和結構的安全性能與抗震性能的評估等方面的工作。
  3. Results showed that by using straw and plastic film dual mulch in dry - cultivation of rice planting, both of the range of temperature difference and the loss of water in dry - cultivated field of rice were decreased, the soil structure was improved, the soil nutrient contents were increased, the ineffective tillers of rice plant were decreased, the growth and development stage were advanced, the filling stage was extended, the grain per ear and 1 000 grain weight were raised, the grain yield of rice increased obviously

    水稻秸稈+地膜二元覆蓋旱作栽培效應的研究結果表明，秸稈+地膜二元覆蓋旱作稻田土壤變溫幅度降低，水分散失減少，結構改善，養分積累增加；水稻無效分蘗減少，生育轉變提前，灌漿結實期延長，穗大粒多，千粒重高，增產效果顯著。
  4. In consideration of the fact that there lacks a reasonable method suitable for wide application in flux measurement for considerable lateral canals and ditches, a new method based on the relationship between the opening angle of long and narrow plate and flux of open channel is put forward

    摘要針對灌區目前缺少適用於面廣量大的斗、農渠，以及適合大面積推廣應用的量水方法等問題，提出一種基於細長板開啟角與明渠流量關系的量水方法。
  5. / based on the trends of present cropping development and irrigation efficiency increase in the region, water supply can meet irrigation by 89 % in 2010, 75 % in 2020 and 70 % in 2030 to crop ' s water requirement under normal condition. water supply can meet irrigation by 100 % in 2010, 88 % in 2020 and 83 % in 2030 to 85 % of crop ' s water requirement under normal condition. the situation of water shortage in the region is more austere in dry year

    3 ）按目前種植業發展趨勢並考慮到灌溉效率的提高，平水年在100充足灌溉方式下， 2010年、 2020年和2030年可供水量對灌溉的滿足率分別為89 、 75和70 ；在85虧缺灌溉方式下， 2010年供水可以滿足需要， 2020年和2030年供水量對灌溉的滿足率為88和83 ；乾旱年度的灌溉滿足率更低，形勢更為嚴峻。
  6. In this passage, author has studied the quota of irrigation that can make water used economically for various plants, if the irrigation quota can be lowered from 6795 m3 / a to 4500 m3 / a during the processes of irrigation, there will be a saving water amount of 3. 386million m3 / a, in shiyang river basin. there is no doubt that we can open the second source of river water that can provide the possibility of transporting 300 million m3 / a water amount to lower reaches of the river. in this paper, there are some analysis and prospects for the future situation of supply and demand of water resources in 2010

    民勤水資源減少的主要原因是人為因素，如全流域人口增加、中上游耕地面積擴大，用水量增加，造成灌區重心上移；沒有樹立可持續發展觀，在經濟中搞短期行為；對石羊河流入民勤水量不斷減少、地表水、地下水轉化活躍、生態用水問題突出等方面進行了分析論證；對目前開發利用現狀、供需狀況進行了較為詳細的計算和評價；通過對各種農作物節水灌溉定額的研究，若從現狀灌溉定額6795m ~ 3 ha降低到4500m ~ 3 ha實施灌溉，石羊河流域將節水3 . 3867億m ~ 3 ，這無疑于開辟了第二水源，提供了向下游調水3億m ~ 3的可能性。
  7. Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells

    針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。
  8. Aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper. with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization. at the aspect of pipe diameter optimization, simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation

    本文主要針對當前南方地區低壓管道輸水灌溉規劃設計中存在的技術難點，開發研究先進實用的樹狀低壓輸水灌溉管網計算機輔助設計系統。首次提出了將gis （地理信息系統）和圖論技術應用於低壓管道輸水灌溉規劃設計及灌溉管網優化中，在gis支持環境下，應用圖論中的最小生成樹法和120規劃進行管道的最優化布置。建立以管道輸水灌溉系統的年折算費用最小為目標函數的管徑優化線性規劃模型，並將內點法應用於線性優化模型的求解。
  9. The premises of the simulation are that the runoff from upreach is 7. 8 108m3 / a and the means of economization on water is in effect. when studied it was thought firstly the water for the lake area and the living plant of the oasis, then for forest - sod irrigation and farmland irrigation

    模擬計算是以上游下泄水量7 . 8 10 ~ 8m ~ 3 a為前提條件，在實行節水措施，完善供水系統的情況下，首先滿足維持和恢復一定規模湖泊面積，保證綠洲植被正常生長所需水量，然後考慮林草灌溉用水和農田灌溉用水量。
  10. According to the present situation of the agricultural irrigation and water resources status, suggestions and possible solutions for water saving, proper distribution of water resources in hangzhou, and the reduction of water crisis as well as nonpoint source pollution were presented

    針對目前的農灌用水現狀，對農灌節水、合理配置本地水資源、改善由農田灌溉引起的用水危機和農田徑流引起的非點源污染提出了建議和措施。
  11. Based on some problems about random draft, energy conservation and ensemble efficiency of hydraulic - projects utilization, by the way of full - scale test, the application of frequency changer in agricultural water saving have been studied. it is the first time in china for the imagination that frequency changer has been used in tube - well irrigation in order to make the water pump keep constant transformation

    本項目針對目前農業節水灌溉工程中存在的隨機取水、節能問題和水利工程資源的綜合利用效率提高問題，以實地工程應用試驗為基礎，對變頻調速裝置在農業節水灌溉工程中的應用進行了研究。
  12. Based on the criterion of maximizing the total average signal to interference plus noise ratio ( sinr ), the optimal subchannel allocation strategy is obtained in theory when random signature sequences are used. for its implementation, an iterative algorithm is proposed, which is similar to the water filling principle. by using the proposed algorithm, we obtain significant improvement on the performance of the system, and the transmission quality can be guaranteed

    根據最大信號干擾加噪聲比原理，分析得出了隨機特徵碼條件下最優的子通道分配策略，並提出了一種類似於灌水原理的子通道分配演算法，該演算法能在保證各個用戶傳輸質量的前提下，使系統的整體性能接近最優。
  13. This paper firstly introduces basic principle and each using condition of common water - measuring method, analyses main problems during the developing and researching about water - measuring meters and devices in irrigation district, put forward some ideas that combine the practice of irrigation district, choose suitable water - measuring facilities and advance economy development of irrigation district

    本文首先介紹了我國常用量水方法的基本原理及其使用條件，分析了當前在灌區量水儀表、設施開發研製方面存在的問題，提出了結合灌區實際，開發新的量水設施儀器，以促進灌區經濟的發展。
  14. Australian journal of experimental agriculture is a monthly journal focusing on the application of cutting - edge agricultural research. the journal publishes high quality papers addressing key problems in all agricultural disciplines

    描述: 《澳洲農業實驗雜志》主要刊登農業方面的前沿研究，這本期刊主要刊登在整個農業領域熱點問題的高質量的論文，其涉及到的有關節水和灌溉領域的技術和相關內容可以為業內人士提供寶貴的參考價值。
  15. Hydraulic structures, velometers, weirs, and flumes are used to gauge water in many irrigation districts. the fundamental principles and suitable conditions of these water metering methods are introduced in this paper. the main problems in the development of water metering instruments and facilities as well as main causes of difficulty in popularization of the methods in irrigation districts are analysed. it is suggested that selection and construction of water metering facilities should be combined with canal lining in irrigation districts. it is also pointed out that for realization of automation of water metering it is necessary to develop and popularize portable and stationary water metering instruments step by step based on economic development levels in irrigation districts

    介紹利用水工建築物、流速儀、堰、槽進行量水的基本原理及各自適用條件.從量水儀器、設施的性能、價格及灌區經濟發展水平等方面，分析目前在灌區量水儀器、設施的開發研製方面存在的主要問題，以及灌區量水難以普及的主要原因.提出應結合灌區渠道防滲工程建設，合理選擇和建設量水設施，並根據灌區經濟發展水平，分步驟研製和推廣便攜式或固定式量水儀器，最終實現灌區量水自動化的灌區量水實施方案
  16. The technique of splitting grouting is a method for handling the earth dam " s stability with deformation and permeation. it is developed quickly in several decades. the author, regarding left subsidiary dam of shenzhen reservoir as an example, uses the limited element method to proceed the dam ' s seepage calculation, combines the contrast analysis with prototype data and predicted data, then compares the dam ' s seepage behavior " s changes before splitting grouting with that after splitting grouting, has some basic conclusions

    土壩壩體劈裂灌漿技術是近幾十年來發展迅速的一種處理土壩壩體變形穩定和滲透穩定問題的方法，本文以深圳水庫左副壩為具體實例，利用有限單元法進行了壩體滲流計算，並與原型觀測資料進行對比分析，然後比較了劈裂灌漿前後壩體滲流狀況的改變，並對壩坡穩定進行分析，得出了一些基本結論，對利用有限單元法求解劈裂灌漿前後壩體的滲流問題提出了一些建議。
  17. Under the situation of total irrigation water use decreasing greatly and it is essential to irrigate saline soil ( saline soil and salt soil area constitutes 65 % of the whole infield ), a saving irrigation experiment study was carried out in hetao irrigation area, and crop response to water and salt stress was studied by way of pot and field experiment

    本文在河套灌區總灌水量減少又要解決鹽漬化土地（占總耕地面積65 % ）灌溉問題的前提下，針對主要作物油葵，採用苗期盆栽和田間試驗相結合的方法進行作物水鹽脅迫響應研究。
  18. But currently a huge amount of sediment deposited there has caused severe problems and need to be dredged. dredging is one of the effective engineering measures to control floods and improve navigation, irrigation conditions and environment

    但是，目前這些河流、湖泊、水庫和港口的泥沙淤積嚴重，需要進行清淤疏浚，以提高防洪、灌溉、通航能力，改善生態環境。
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