irrigation level 中文意思是什麼

irrigation level 解釋
灌溉水位
  • irrigation : n. 1. 灌溉；水利。2. 【醫學】沖洗（法），〈pl. 〉沖注洗劑。adj. -al ,-ist n. 灌溉者，水利專家。
  • level : n 1 水平儀，水準儀；水準測量。2 水平線，水平面；水平狀態；平面，平地。3 水平，水準；水位；標準；...
  1. To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary

    摘要灌區灌溉採用井灌井排，開發利用地下水資源，不但能有效降低地下水位，防止土壤次生鹽堿化，還可以通過井渠互補，使農作物得到適時灌溉。
  2. Mainly, the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump. we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump, we also determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it optimally and economically run

    我國大部分大型電力排灌站所安裝的泵都為可調節葉片的軸流泵，這一有利條件使我們可以根據排灌站進、出口水位的變化來調節水泵的葉片角度，控制水泵的流量，併合理的確定開機臺數，通過機組間的優化組合，使整個泵站的能耗最少，達到整體最優、經濟運行的目的。
  3. This paper evaluates the underground water resources and its safe levels of miming, and then studies the availability of molepipe drainage, a kind of practical underground water regulation technique. 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

    論文從灌區的地下水資源及其可開采量評價分析方面入手，在對兩個主要的水文地質參數即降雨入滲補給系數、灌溉入滲補給系數確定方法研究的基礎上，對灌區的地下水資源狀況進行分析，依據灌區的灌溉、降雨、排水條件及各種現狀因素，建立了地下水資源量計算的數學模型，西安理工大學工程碩士專業學位論文計算得到青銅峽灌區地下水的最大補給量和可開采量;另外對在開發利用地下水資源過程中的地下水位的調控進行了初步的探討，在銀北灌區開展對暗管排水調控地下水位的試驗研究。
  4. Article 33 it is forbidden to pile or deposit solid wastes and other pollutants on beaches and bank slopes below the highest water level of rivers, lakes, canals, irrigation channels and reservoirs

    第三十三條禁止在江河、湖泊、運河、渠道、水庫最高水位線以下的灘地和岸坡堆放、存貯固體廢棄物和其他污染物。
  5. Special plans for the prevention of floods, the control of water - logging, irrigation, navigation, urban and industrial water supply, hydro - electric power generation, bamboo or log rafting, fishery, water quality protection, hydrologic surveys, the general prospecting and dynamic monitoring of groundwater, etc., shall be formulated respectively by the competent departments of the people ' s governments at or above the county level and shall be submitted to the people ' s governments at the corresponding level for approval

    防洪，治澇、灌溉、航運、城市和工業供水、水力發電、竹木流放、漁業、水質保護、水文測驗、地下水普查勘探和動態監測等專業規劃，由縣級以上人民政府有關主管部門編制，報同級人民政府批準。
  6. This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation

    本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究，系統採用了基於總線的分散式控制結構，根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數，知識庫的作物灌溉知識，分析決策灌水時間、灌水量、灌溉成本及灌溉效益。
  7. Aim to analyze the problems in the course of the exploitation and utilization of water resources and offer some references to the sustainable utilization of water resources in baoji city, shaanxi, china in the future. methods beginning with the restrained factors that affects the sustainable exploitation of water resources, the main problems is systematically analyzed that exposed in the course of the exploitation and utilization of water resources : utilization ratio of water resources is low, water waste is serious ; groundwater is exploited excessively, water level drops continuously ; water pollution is serious, water quality worsens obviously ; management system of water resources is imperfect, the facilities of irrigation works wear out seriously. results it is suggested that pursue saving water all - round to build a water - saving society, and perfect the paid - use system of water resources to implement the industrial management of water resources, and strengthen the protecting consciousness of water resources together with controlling groundwater exploitation strictly, and increase the fund investments to enhance the irrigation works abilities of adjusting, holding and preventing the flood, and strengthen the network management of water resources besides improving the official specialized quality. conclusion the reasonable exploitation and utilization of water resources plays a key role in the sustainable development of economy and society in baoji city, shaanxi, china

    目的分析寶雞市水資源開發利用中存在的問題，為今後水資源的可持續利用提供參考依據.方法從影響寶雞市水資源可持續利用的制約性因素入手，系統分析了在水資源開發利用中存在的主要問題:水資源利用率低，浪費嚴重;地下水開采過度，水位持續下降;水污染嚴重，水質明顯惡化;水資源管理體制不健全，水利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用水，建立節水型的社會;完善水資源有償使用制度，實現水資源的產業化管理;強化水資源保護意識，嚴格控制地下水開采;加大資金投入力度，提高水利工程的調蓄防洪能力;加強水資源網路化管理，提高管理人員的專業素養.結論水資源的合理開發和利用是實現寶雞市經濟社會可持續發展的關鍵
  8. This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis

    該系統使用浮子式傳感器、機械式編碼器獲取水位信號，利用at89c51單片機系統採集水位數據（簡稱：下位機系統） ，採用數據機、通過公共電話網（ pstn ）遠程傳輸數據，並在泰興市水務局信息中心通過主控計算機（簡稱：上位機）進行通信及信息系統管理。
  9. Abstract : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc

    文摘:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題：水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響；進而論述水文學研究面臨的新課題：水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治，並指出必須加強對這些新課題的研究
  10. Sparedescription : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc

    描述:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題：水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響；進而論述水文學研究面臨的新課題：水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治，並指出必須加強對這些新課題的研究
  11. Jahezi reservoir is located at the northwest arid area of china, the primary tasks of which are flood control land irrigation. it has been reinforced in 2003 so the discharge capacity and the safety of dam were increasing at large degree, which created the conditions to utilize the flood sufficiently by raising the limited water level

    夾河子水庫地處我國西北乾旱區，主要承擔防洪及灌溉任務， 2003年除險加固完成後，水庫的泄流能力及大壩安全都有很大程度的提高，為水庫抬高汛限水位，實現洪水資源化創造了條件。
  12. In consideration of the characteristics of ecological environment water supply, the opportunity cost method is adopted to calculate its shadow price, and a method is put forward for calculating the economic benefit of ecological environment water supply on the basis of the economic benefit from agricultural irrigation based on the level of guarantee of water supply to water consumption departments on the lower reaches of rivers

    摘要針對生態環境供水的特點，採用機會成本法分析生態環境供水經濟效益並計算其影子價格；並根據河流下游各用水部門供水保證程度，提出藉助農業灌溉經濟效益計算生態環境供水經濟效益的方法。
  13. For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration

    如東一乾渠上段太平橋以上設計流量45m ~ 3 s ， 1989年9月30日實測通水流量23 . 8m ~ 3 s時，東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ，其下游至上天院隧洞水位也普遍偏高，即東一乾渠上段目前僅能通過流量24m ~ 3 s左右，只有設計值的50左右，不僅使灌區效益得不到正常發揮，嚴重阻礙了灌區范圍內的經濟發展，而且使渠道經常處于小流量、高水位運行，延長了次通水時間，大大增加了渠道工程的安全管理難度。
  14. The results showed that adi provided smaller stomata opening to reduce the useless luxury transpiration loss, the height of cotton under adi was restricted under low irrigation level, but not significant under high level

    結果表明，交替滴灌處理棉花葉片氣孔開度減小，減少了奢侈的蒸騰損失，灌溉定額較小時根系分區交替滴灌對棉花的株高抑制作用較明顯，灌水定額較大時限製作用不顯著。
  15. First fao advocates short - term, small - scale irrigation projects at the village level, including the development of low - cost and relatively simple, cost - effective methods which can be used by small farmers to irrigate crops

    首先，糧農組織在村社一級推動短期、小規模灌溉項目，其中包括制定小農可以用來灌溉作物的低成本和相對簡單以及具有成本效益的方法。
  16. Blooming period is also a sensitive period. ( 3 ) effect of dry matter and yield are different on different irrigation level in same salt level treatment in squaring period. too much or too less irrigation water use is not benefit for crop yield

    （ 3 ）現蕾期同一鹽分處理的不同灌水處理對作物現蕾后的干物質積累量和產量形成影響不同，灌水過多過少都不利於產量形成；對于同一灌水處理的不同鹽分處理，隨鹽分增加作物干物質積累量和產量降低。
  17. This paper chooses the indicators of economy and land quality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land quality includes texture, content of the organic matter, degree of the pickled, the structure of the soil

    本項研究選擇了影響農用地總產出的經濟投入指標和土地質量投入指標，藉助c - d生產函數，建立土地投入產出的函數關系： y = a ? e ~ （ ft ） ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產力f為化肥和農藥的投入i為灌溉投入，即灌溉所需用的水電費l為勞動力投入（考慮了農業機械投入的修正） q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中，土地質量因子包括表土質地（ t人有機質含量矚入鹽漬化程度px土體構型p ）等。他們之間的關系為： q （ a ； xt a 。
  18. The paper analysed transformation on hydrology factor after ningxia meili paper mill used its waste water to irrigate its fast - growing forestry, i. e., groundwater level raised after long irrigation, lake ' s area enlarged and soil became sauna where transition in highland irrigation and lowland irrigation

    摘要分析了美利紙業速生林基地用廢污水灌溉后引起附近水環境的變化，即隨著灌溉水量增加，地下水位升高，湖泊濕地范圍擴大；低位灌區與高階地交接帶產生土壤鹽漬化。
  19. Spatial variability of water level in hetao irrigation district of inner mongolia and their estimations by the kriging

    河套灌區地下水位的空間變異性及其克里金估值
  20. Dry matter and yield decrease with salt increasing on same irrigation level. ( 4 ) the minimal soil moisture content increases with salt content increasing. meeting minimal needs, crop yield is satisfactory in the soil with salt content bellow 0. 6 %, but not in soil salt content above 0. 6 %, so planting in this soil is n ' t suggested

    （ 4 ）隨著土壤鹽分增加作物對土壤水分要求也增加，含鹽0 . 6 %以下的土壤滿足最低水分要求，可獲較理想產量，大於0 . 6 %以保持土壤水分狀態減輕或消除鹽分脅迫的措施已經不可行，建議不使用含鹽> 0 . 6 %的耕地。
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