雨量效率 的英文怎麼說
中文拼音 [yǔliángxiàolǜ]
雨量效率
英文
rainfall effectiveness-
It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area
比較分析的結果表明，只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量，就可能提高非隨機化作業的效果評估效率，從而更好的檢驗人工增雨作業的效果。Based on the above studies. the different programs on how to use the rainwater resources efficiently is developed. which is decided by the water deficiency amount for agricultural production. a series of measures have been put forword. first, different geological regio should take different methods. second. the rainwater utilization through collection and storage projects or through reduction in evaportranspiration and increasion in infiltration should be combinated organically. third, the high efficiency of rainwater ' s utilization should be attained. therefore, water resources crisis can be alleivated efficiently and the agriculture sustainable development can be improved in baoding area
通過對典型年實測資料的分析，較深入研究了不同作物對雨水資源的利用效率及其影響因素。本文提出了根據缺水量等級決定的雨水資源利用方案的技術思路，因地制宜的提出了平原區以覆蓋抑制蒸發利用和雨水富集疊加利用為主的雨水資源高效利用措施，保定山區以就地攔蓄入滲利用利雨水富集疊加利用為主的雨水資源高效利用措施。Abstract : in accordance with the problems in the system of well storing rainfall at present, based on the experiments of artificial simulating rainfall, and assistance with the measures of natural rainfall, the relationships among the surface runoff yield, silt concentration, catching runoff efficiency and the material of surface, slope gradient, rainfall intensity are analysed systematically. then, the best slope gradient and material of surface are chosen, in condition of which surface rainfall yield is the largest and silt concentration is the smallest. this is a beneficial study for the practical use of the rainwater catchment plot in furture
文摘:針對當前旱井集雨系統存在的問題，利用人工降雨試驗，並輔以天然降雨觀測，系統分析了旱井集流區的產流量、含沙率、集流效率與下墊面材料、坡度、降雨強度的關系，進而選出了最優坡度及最優下墊面材料，為今後旱井集流區的應用研究做了有益的探討。The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization
本文利用1956 2000年保定市的長系列降雨資料，對保定市降水量進行了頻率分析、年內變化分析和多年變化分析，明確了保定市降水量年內、年際間的變化情況：保定市降水量年內分配不均，汛期（ 6 - 9月）占年降水量的81 。保定市降水量年際間變化大，豐水年和枯水年交替發生， 70年代以前以豐水年段為主； 70年代到80年代前期降水量豐枯交替頻繁，總的接近於枯水年段； 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。Finally, this paper proves that the method of automatic compartmentalization of rainwater catchments basin is easily operable and highly improves the efficiency and quality of the compartmentalization of rainwater catchments by instance
實驗證明，雨水流域匯水區的自動劃分方法不僅操作性較強，而且大大提高了匯水區劃分的效率和質量。By analyzing the rainfall use efficiency, the soil moisture variation during the whole growth period, the economic characters and the output of dry land corn under different film mulch modes, it has been proved that the mode of whole covering on double ridges and planting in catchment furrows is an effective way to store and utilize fully the natural rainfall, to improve soil moisture conservation, to raise rainfall use efficiency, to advance maturity time, and to increase yield and economic benefits of dry - land corn remarkably
摘要通過對旱作玉米幾種不同覆膜栽培模式降水利用率、玉米整個生育期的土壤水分監測、生育時期觀測、經濟性狀及產量分析證明，旱作玉米雙壟面全膜覆蓋集雨溝播技術是一項充分接納和利用天然降水、最大限度保蓄土壤水分、顯著提高降水利用率、提早成熟、增產效果明顯、經濟效益顯著的旱作玉米栽培模式。Chapter ii : latent capacity and present conditions of water resource. first, the author introduced the total amount and distribution of water resource in the east and central area of gansu, and then discussed the current utilization and contradiction between supply and demand of water resource. and last, the author posed the measures and countermeasures of exploiting water resource. chapter iii : latent capacity and present conditions of land resource. first the author introduced the total amount and distribution of land resource. and then discussed the current conditions utilization and latent capacity of land resource
對東中部地區的水資源總量、分佈和特點進行定量和定性的分析，以灌區水資源利用及供需矛盾為突破口，對水資源潛力開發的幾個關鍵問題進行了分析：加強與水資源相關的基礎問題的研究；強化水資源危機的意識，建立節水工農生產體系；建立流域水資源統一管理機構；強化節水農業科技成果的推廣轉化；逐步推行噴、微灌高新節水技術；充分利用化學調控技術提高作物抗旱性和水分利用效率；大力發展以集雨節灌技術為核心的集水農業。Firstly, through analyzing massive materials and data, this paper summarizes the main problems of resources and environment confronted with jiangsu province, which are the decrease of per capita amount of land and water resources, the insufficient amount and low self - support rate of mineral and power resources, the low use efficiency and serious waste phenomena, the great emitting quantity of waste water, waste gas and kinds of pollutants, the worrying water quality of surface water and seawater, the bad air condition and the heavy pollution of acid rain
本文首先通過對大量的資料和數據分析，歸納了江蘇省資源、環境面臨的主要問題:土地、水資源人均佔有量持續遞減，礦產、能源資源總量少、自給率低，且各種資源存在利用效率不高、浪費嚴重等諸多問題;廢水、廢氣及污染物排放量大，地表水、海水水質堪憂，空氣質量差，酸雨污染較重。The cornfield experiment showed that pam could significantly reduce runoff and increase infiltration of rainwater and increase soil water content
田間試驗表明， pam能夠有效地減少土壤表面的徑流量，增加土壤的降雨入滲， pam覆蓋率越高越有利於降雨的入滲。The release of u - pvc environmentally friendly draining pipe gave rise to a profound technical innovation about pipe machines ; the successful development of zxsg new generation twin screw extruders pushed the development of the domestic plastic pipe manufacturing industry towards the direction of high efficiency and low cost ; the release of zxpc, zxxc, etc. fully - automatic hollow air blowers made an end of that the imported plastic machines had ever aggressively penetrated in the chinese markets for a time as well as strengthened our confidence in keeping pace with old - line countries such as german in plastic machinery industry and even in sharing oversea markets with the competitive edges of extra low energy consumption and higher performance - to - price ratio ; and zxyxc series extruders for special shapes due to high performances completely ruled the market of its kind
九十年代，市場經濟在中國逐步形成，廣東塑膠企業如雨後春筍遍地冒起，公司亦籍此雄風進入飛躍發展時期：國內塑膠業u - pvc環保排水管的面世，引發了本公司對管材機型技術內涵的深層改造，新一代單雙管同擠管材擠出機型研發成功，推動國內塑膠管製造業向高效率低成本的經營邁進zxyxc系列異型材擠出機型的入市，盡領市場風騷。目前，新一代中低檔價位的振興塑膠管擠出生產線問世，已經通過調試並進行批量生產，專用展示廳展示，該產品不僅延續振興公司高技術含金量的一貫傳統，而且價格相當低廉，是國內塑膠管行業中佔主要數目的中小型塑料加工廠的首選機型。95 % of water - used by agriculture come from groundwater, and it occupied 80 % of total water consumption ( 2001 ). water shortage is becoming the major obstacle of sustainable agricultural development and the key is raise efficiency of wateruse. the results of wofost model simulation showed that the yield of winter wheat was 2323 kg / hm2 under the rainfeed conditions, 5946kg / hm2 with irrigation, while the potential yield is 8485kg / hm2 with the abundance supply of light, temperature, water and fertilizer
（ 2 ）順義區農業用水的95來自地下水，農業用水占總用水量的80左右（ 2001年） ，水資源緊缺成為限制農業生產的主要瓶頸，在日趨緊缺的水資源壓力下，提高水分使用效率成為土地可持續利用的關鍵。採用wofost模型對順義區冬小麥的生產潛力及雨養條件下水分限制產量進行了模擬，結果表明：在光、溫、水、肥條件均滿足時生產潛力為8485kg hm ~ 2 ，雨養條件下水分限制產量只有2323kg hm ~ 2 。It can improve air quality, regulate air temperature, economize energy resource and enhance the see factor of the urban energy resource, store earth and keep water, decrease the rate of flow caused by t & 1ntial rain, provide various animals, micro organisms with living places, protect the organism ' s variety, beautify urban environment, enhance urban grade and benefit the heath of the public physical and mental healthy
城市林業能夠改善空氣質量，調節空氣溫度，節約能源，提高城市的能源利用效率；蓄土保水，減少暴雨的徑流量；為各種動物、微生物提供棲息地，保護生物多樣性；美化城市環境，提高城市品位，有益於公眾的身心健康。分享友人