surface water resource造句
例句與造句
- Evaluation of surface water resources in lu ' an city
六安市地表水水資源評(píng)價(jià) - Calculation and analysis of surface water resources quantity
水利工程防洪經(jīng)濟(jì)效益的簡(jiǎn)易計(jì)算 - Quality standards for surface water resources
地表水資源質(zhì)量標(biāo)準(zhǔn) - Discusion on surface water resources status and utilization in fengshun county
豐順縣地表水資源現(xiàn)狀及其開發(fā)利用 - Dynamics and rational adjusting of surface water resources in hilly red soil regions
紅壤丘陵區(qū)地表水資源動(dòng)態(tài)與合理調(diào)蓄利用研究 - It's difficult to find surface water resource in a sentence. 用surface water resource造句挺難的
- Changes and influencing factors of surface water resources in the source region of the yellow river
黃河源區(qū)地表水資源變化及其影響因子 - Analysis on the influencing factor of interval change of surface water resources in fuxin area
阜新地區(qū)地表水資源量時(shí)段衰減影響因素分析 - The utilization of surface water resources in areas of the loess plateau is in full extent , so the balance between supply and demand is a serious problem
黃土高原的水資源利用程度高,供需矛盾突出;地下水資源賦存有限,不宜開發(fā)利用。 - Taking hengyang basin , a typical hillock area in the subtropical region as a case , the reasons and forms of vulnerability in surface water resource were analyzed in this paper
摘要以典型的亞熱帶濕潤(rùn)丘崗區(qū)衡陽(yáng)盆地為例,綜合分析了其地表水資源脆弱性產(chǎn)生的原因及其表現(xiàn)。 - The study on variation rules of surface water resource indicates the decreasing of rainfall and the increasing of the seasonal snow melting that supply to the yellow river
研究了青海省地表水資源的變化規(guī)律,黃河流域雨水對(duì)黃河流量的補(bǔ)給在減少而季節(jié)性積雪融水對(duì)流量的補(bǔ)給在增加。 - Land surface water resources regulation by plant is realized through changing rainfall distribution features , rain interception by forest canopy makes up 10 % to 40 % of total rainfall
植物措施對(duì)地表水資源的調(diào)節(jié)是通過其對(duì)天然降水分配性質(zhì)的改變而實(shí)現(xiàn)的,森林林冠截留的降水量約占降水量的10 % 40 。 - It is found that the major factors influencing the vulnerability of surface water resource include the climate , topography , soil and vegetation , human activities and economic development
發(fā)現(xiàn)影響衡陽(yáng)盆地地表水資源脆弱性的主要因素體現(xiàn)在氣候、地形地貌、土壤和植被、人為活動(dòng)以及經(jīng)濟(jì)發(fā)展因素5個(gè)方面。 - The useable amount of surface water resource and ground water resource in xi ' an city and the relationship between water supplying and needing are analyzed in the system . based on the analysis , water quantity forecast model that forecast water supplying and needing amount is established
本系統(tǒng)運(yùn)用水文學(xué)的方法分析了西安市地表水資源和地下水資源的可用量和水資源供需平衡關(guān)系,在此基礎(chǔ)上,建立了水量預(yù)測(cè)模型,實(shí)現(xiàn)了對(duì)西安市可用水量和城市需水量預(yù)測(cè)。 - The agricultural production holds an important position in baoding area , winter wheat and summer corn are the main grain crops and cotton is the main cash crop . the water resources used in agriculture include rainwater resources used directly by crops and surface water resources or underground water resources which is used through irrigation . there have been lots of rainwater waste because of lacking in research on rainwater resources utilization and in perfect engineering technology in baoding area . to make full use of rainwater is important to alleivate the water resources crisis and improve the ecological environment , the main objectives can make more rainwater turn into soilwater that can be utilized by crops directly and decrease the crops requirments for the surface and ground water resources
用于農(nóng)業(yè)生產(chǎn)的水資源包括直接利用的雨水資源和通過灌溉補(bǔ)充的地表水資源和地下水資源。目前,保定市對(duì)直接用于農(nóng)業(yè)生產(chǎn)的雨水資源尚未進(jìn)行深入細(xì)致的研究,而且雨水資源的利用工程技術(shù)措施尚不完備,這種情況造成了雨水資源的浪費(fèi)。顯然,充分利用雨水資源,即盡可能多的把天然降水轉(zhuǎn)化為可被作物利用的土壤水,減少作物對(duì)現(xiàn)有水資源(地表水資源和地下水資源)的需求,對(duì)于緩解保定市水資源供需矛盾,改善水環(huán)境與生態(tài)環(huán)境有重要的現(xiàn)實(shí)意義。 - The paper main contents including : ( 1 ) the paper analyzed spatial variability of hydrology geological parameters ; and studied on the tendency and regulation of annual water table resource in shandianhe river in inner mongolia ; and analyzed the general changing tendency of water table with time ; analyzed and illustrated the conditions of supply , penetration and drainage of ground water . ( 2 ) the paper analyzed the data of rainfall , evaporation , transpiration and runoff , assessed the surface water resources . ( 3 ) the paper used drainage method of ground water and finite element method assessed groundwater resources and forecasted the water table in the future six years
內(nèi)容包括: ( 1 )分析了水文地質(zhì)參數(shù)的空間變異性并分析研究了地下水的歷年動(dòng)態(tài)變化趨勢(shì)和規(guī)律及其補(bǔ)給、徑流和排泄條件; ( 2 )整理和分析了研究區(qū)的降水、蒸發(fā)和徑流資料,評(píng)價(jià)了地表水資源量; ( 3 )采用總排泄法和有限元法對(duì)研究區(qū)地下水資源量進(jìn)行了評(píng)價(jià),并對(duì)未來(lái)6年地下水水位進(jìn)行了預(yù)測(cè)。
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