irrigation period 中文意思是什麼

irrigation period 解釋
灌水時間
  • 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。
  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  1. There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring, irrigation - leaching - desalting period in rice growing season from may to september, evapo - salinization period again in late fall and relatively stable period in winter

    遼寧沿海鹽土中鹽分每年隨水移動如下：春季為凍融-蒸發-鹽化期， 5 ~ 9月為灌溉-淋洗-脫鹽水稻種植期，晚秋為蒸發-鹽化期，冬季為相對穩定期。
  2. During wheat and barley bred in winter in sanya, some technological characteristics concerned must be wielded according to the ecological conditions there. 1 ) carefully select materials and avoid planting the materials that can not head in sanya. 2 ) cultivated measure : spread lime before ploughing ; and make furrows during soil preparation. spread funandan in sowing furrows. after every irrigation and heavy rains, surplus water must be drained off immediately and soil must be intertilled in time. it is also a key measure in breeding in winter to prevent and eliminate the plant disease, pest and mice during plant growing period. 3 ) the flowering period of parent for hybridization must be adjusted. 4 ) the criterion for each trait selection to breeding materials should be soften to different degrees

    在三亞冬繁麥類時，應根據當地生態條件掌握好有關技術特點：慎重挑選冬繁材料，盡量避免攜帶可能在三亞不抽穗的材料；栽培措施應注意耕翻前撒施石灰，整地需開廂起壠，播種溝先撒呋喃丹，灌水及大雨後要排除余水，及時鬆土，生育期間注意防治病蟲鼠害；雜交親本應注意調節花期；對育種材料各性狀的選擇標準都要不同程度地放寬。
  3. The main points of hlsip quality control includes : during the design stage, it is necessary to control the scheme comparison and optimum design, esp. the waterwork, electromechanical device and irrigation region planning, to improve the design quality and pay attention to control the long - term benefits of design results ; during construction period, the supervisor should help proprietor choose construction contractor, sign the construction contract, supervise the manufacture of equipment and strictly execute the quality control procedure to subject the construction to controlled mode ; in addition, the contractors must improve their quality self - control, maintain the notion " quality first " and insist the full process, multiway, and multi system control of construction quality

    高揚程梯級提水灌溉工程質量控制的重點包括：設計階段控制好方案對比、設計優化，特別是水工建築、機電安裝、灌區規劃等多專業多目標的確定和協調，提高設計質量和深度，注重控制設計成果的長期效益；施工階段協助業主選擇好施工承包商，制定出嚴謹、完備的施工合同，搞好設備監造，嚴格執行質量控製程序，使工程施工時時處于受控狀態；同時要提高承包商的質量自控能力，堅持施工質量的全過程、多方法、多體系控制。
  4. Under the filtration irrigation, the water content could remained a fit range from 14 to 22 percent in the layer of 20 to 70 cm deep, however, the general irrigation could reduce the moisture utilization during the growing period of the maize. ( 4 ) filtration irrigation could well adjust the soil temperature so that the root system made a sufficient absorption of the moisture and mineral nutrinents

    從土壤含水量測定分析看，在20 70cm土層，滲灌水分含量一直維持在玉米正常所需的14 22范圍內，而漫灌分兩次灌水，在每次灌水前一段時間水分含量要下降到14以下，出現水分脅迫，尤其影響到玉米的前期生長。
  5. The content of mineral nitrogen content ( nh4 + - n + no3 - n ) decreased during the incubation period after applying nh4 + - n fertilizer and urea. it maybe relates to the nh4 + - n fixation, volatilization, and its nitrification. ( 4 ) fertigation by drip irrigation increased the n uptake and accumulation of dry matter of summer maize, and improved the activity of crop photosynthesis

    與滴灌施用硝態氮肥相比，施用銨態氮肥和尿素后在培養期間土壤礦質態氮（ n03一n + nh獷一n ）的含量有降低的趨勢，降低的原因可能與nh4 +一n在土壤中的固定、揮發及硝化等過程有關。
  6. The paper analyzes the economic effects of integrated water regulation conducted in the period of 1999 ~ 2004 from the aspects of water supply for industry, urban, agricultural irrigation and ecological environment according to the actual situation of integrated water regulation of the yellow river

    摘要根據黃河水量統一調度的實際情況，從工業與生活供水、農業灌溉供水及生態環境供水等方面分析了1999 ~ 2004年水量統一調度的經濟效果。
  7. Application of microsoft excel software in irrigation scheduling calculation of rice in the growth period

    在水稻生育期灌溉制度計算中的應用
  8. Topdress different amount urea on cotton under film - mulching and drip irrigation during the blooming period, the result showed that content of nitrogen of root, leaf, leaf - stem and reproductive organ of cotton with nitrogen treatment were higher than non - treatment, but the increase had no relation with the amount of nitrogen topdressing

    摘要在棉花花鈴期膜下滴施不同量尿素，結果表明，追氮處理后棉株根、葉片、葉柄和蕾鈴的氮含量比不追氮處理要高，但增高多少與追氮量沒有明顯關系。
  9. Effects of irrigation quota and period on yield and water use efficiency of wheat

    灌水量和灌水時期對小麥產量和水分利用率的影響
  10. The special regularity of water quality variation in the river during the irrigation period was presented, i. e. water quality deteriorates at the beginning of water supply and will gradually be improved to a steady state

    結果表明：灌溉期水庫供水時，河流水質有其特殊的變化規律：供水初期水質惡化，然後水質逐漸好轉並趨于穩定。
  11. But, when the total water quantity is reduced 30 % of present average amount in the 2010, the total salinity of groundwater will have significant increase in the different period ( pre - summer irrigation, post - summer irrigation, pre - autumn irrigation and pre - freezing up of soil four periods ). the water quality will be likely to deteriorate ; in addition, the prediction models of soil moisture and saline concentration are established

    通過試區土壤水分、鹽分的bp與rbf模型的模擬與檢驗，預測了2005年、 2010年夏灌前、夏灌后、秋澆前與封凍前的土壤水鹽狀況，得出上壤水分隨著灌水量的減少呈下降趨勢，而土壤鹽分在淺層與中層呈現出不同的結果： oa
  12. Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system

    在內蒙古河套灌區的引黃水量減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之下，本文針對灌區內區域灌溉水管理的現狀，對灌區內區域節水灌溉水管理優化模型進行了研究。研究針對農業水資源短缺的現狀，在節水灌溉條件下，對作物的灌溉制度進行優化模型探索，尋求最優灌溉策略。全文圍繞節水與高效用水，綜合應用了系統分析、灌溉排水及節水灌溉的原理和知識，研究了灌域內主要作物春小麥的灌溉制度的變化規律，建立了春小麥灌水制度的多維動態優化模型；建立了非生育期的秋澆制度的鹽分淋洗模擬模型；對節水灌溉水管理的影響因素的重要性進行了排序研究。
  13. At the same time, using the results of model, the paper provides the optimization irrigation quota and the aim of high yield and high benefit based on the principle that the net benefit of unit water is highestusing the model, we can reasonably distribute the irrigation water for spring - wheat during growing period on the condition of different irrigation quota. through evaluating the comparative yield by the model, the paper gains that the reduction of spring - wheat output is biggest when the irrigation quote is between 100 and 200. the thesis also gains that the corresponding economic irrigation quota is 170 - 120m3 / 667m2. above results can provide scientific reference for irrigation water optimization distribution for crops in the individual irrigation area and the programming of irrigation district

    在現有的生產條件下，可以利用模型在不同的灌溉定額下對春小麥生育期灌水進行合理的分配，並可以利用模型進行作物相對產量的評估，得出當灌溉定額在100 m 200范圍內時，春小麥的產量下降幅度較大，最後得出相應的經濟灌溉定額為170 120m ~ 3 667m ~ 2 ，為今後河套灌區各灌域多作物灌溉水量最優分配以及灌區的規劃設計方面提供了科學參考依據。
  14. 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。
  15. The company serves content around project early days, metaphase, later period each phase, cover earth to build, each major such as adornment, installation, municipal, gardens, traffic, irrigation works ; especially : service of representative of invite public bidding permeates reconnaissance, design, inspect manage, construction, equipment, material, purchase wait for each domain ; cost seeks advice use current the most advanced tsinghua si weier is three - dimensional system of software calculating an amount, control to the project executes the spot to be mirrorred in real time and undertaking cost dogs ; the adroitness in project management uses fidic term and conditions of contract, the mature construction on international project management pattern introduces in management of domestic construction project ; company of software of subordinate path be in harmony is with advanced science and technology rely on, foot of client of prep close behind leads the market, dedicated the development at project software, apply with promotion

    公司服務內容圍繞工程建設前期、中期、後期各階段，涵蓋土建、裝飾、安裝、市政、園林、交通、水利等各專業；特別是：招標代理服務滲透到勘察、設計、監理、施工、設備、材料、采購等各領域；造價咨詢採用當前最先進的清華斯維爾三維算量軟體系統，對工程實行現場實時反映並進行造價跟蹤控制；項目管理中熟練運用fidic合同條件，將國際上成熟的建設項目管理模式引入到國內建設項目管理中；下屬道融軟體公司以先進科技為依託，緊隨客戶步調引領市場，專注于工程建設軟體的開發、運用與推廣。
  16. Water delivery has been run over 30 years. the main canal has the problem that the actual conveying capacity is very low now and the conveying capacity of the east - one main canal i only half of the design value, this lead to guaranteed real - time efficiency of the irrigation of the farmland recede greatly. the downstream has no water and crops were drought to death have been seen more times in the irrigation period, this lead to the contradictory between the upstream and downstream on water usage, moreover, the lower discharge capacity of the dry canal in irrigation period is the main cause of the actual irrigated area is only half of the design value

    經過三十年的輸水運行，目前乾渠工程存在嚴重的輸水能力低問題，其中東一乾渠輸水能力只能達到原設計的1 2 ，使農田的適時灌溉保證率大大降低，多次發生灌溉期下游見不到水而旱死莊稼的情況，造成上下游用水矛盾突出，而且灌溉期乾渠過流能力偏小，是導致實際灌溉面積僅為設計值的1 3的重要原因。
  17. Irrigation and drainage engineering in west china during the period of the anti - japanese war

    抗戰時期西部地區農田水利建設述論
  18. The alfalfa gross yield logarithmically correlated the amounts of irrigation in north china plain. the times before the ep ( initial - period ), that before the fgp ( fast - grow - period ) in harvest i, and that before the fgp ( fast - grow - period ) in harvest ii were the best ones for irrigation. various treatments could n ' t result in the difference in the nutrient components of alfalfa in the same variety

    研究表明，苜蓿合成的干物質量與苜蓿蒸騰量呈顯著線性相關，各茬之間的蒸騰水利用率（ twue ）差異顯著，一、二茬的蒸騰水利用率顯著高於三、四茬，而同茬不同處理間不存在顯著差異。
  19. 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

    通過這兩種方法最終可使噴灌的均勻度達80以上有不錯的效果。
  20. With negative pressure gauge, neutron instrument and monitor research for depth of embedment of groundwater, we can obtain the changeable regulation of the soil moisture change in field and moisture use efficiency in field at childbearing period ; in five irrigation water, every time all has deep seepage, and the soil all can reach to saturation ; in childbearing period, the mutual change relation of irrigation water and groundwater is active

    摘要通過負壓計、中子儀、地下水埋深監測研究，得出生育期田間水分變化規律及土壤水分利用效率； 5次灌水均有深層滲漏，土壤都能達到飽；在生育期間，土壤水和地下水相互轉換關系活躍。
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