main-water 中文意思是什麼

main-water 解釋
自來水
  • main : adj 1 主要的,主,全,總。2 充分的,盡量的;全力的,有力的。n 1 體力,氣力;力〈僅用於 with might...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬比較。
  2. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  3. The ore - forming material is mostly from volcanic rock, and sub volcanic rock provides the main thermal and some mineral materials. the ore - forming fluid is from meteoric water. as a result, it should be a kind of adularia - sericite type of epithermal gold deposit

    成礦物質主要來自礦區火山巖圍巖,次火山巖提供了主要熱源和部分礦源,成礦流體來自大氣降水,礦床成因類型為低硫化物冰長石?絹雲母型淺成低溫熱液型金礦。
  4. The thesis introduces the water resources " situation of this river valley and the main water resources crisis, analyzes the relationship between water resources of the valley and regional economic development from four sides. they are the law of water resources system itself, mechanism, individualism, economism, scienticism, the view of social development and the view of mapping effect from the social system, the man - water contradictory relationship of the valley, the view of sustainable utilization established and man - water relationship of the yangtze valley harmonized

    本文介紹了長江流域水資源概況和流域水資源危機的主要問題,從水資源系統自身規律、流域社會系統的機械主義、個人主義、經濟主義、科學至上主義、社會發展觀和映射作用觀、流域水資源系統中人水關系的矛盾分析和樹立水資源持續利用觀,協調流域人水關系的四個方面分析了長江流域水資源和區域社會經濟發展的相關性。
  5. City main water meter

    總供水管水表
  6. Abstract : review on nature, symptoms and way of spread of cytosporidium and cryptosporidiosis were presented, and main water - borne infection and its revelation to water industry and water source protection were introduced and discussed, current situation of cryptosporidium analysis and related drinking water quality criteria development were summerized

    文摘:綜述了隱孢子蟲和隱孢子蟲病的特性、癥狀和傳播途徑;水媒傳播的重要案例及其為水工業和水源保護帶來的啟示。
  7. Abstract : the synthesis, adsorptive properties and some other mechanical properties of a kind of high water - adsorbing fiber were studied, paper made from this high water - adsorbing fiber beaten with 80 % ( wt ) cotton, demonstrated that the fiber had rap id adsorption, high adsorptive capacity and holding capacity for all of distilled water, main - water and man - made urea, and had suitable mechanical properties to be used to make high water - adsorbing paper

    文摘:本文報道了一種高吸水纖維的合成、吸水性能及其部分物理機械性能,並利用這種高吸水纖維與純棉纖維按1 : 4的比例進行混合打槳而製成一種高吸水紙,對這種吸水紙也進行了吸水性能及部分機械性能的測定,結果表明所合成的高吸水纖維對蒸餾水,自來水及人工尿液的吸附速度快,吸收量高,並且可在一定的壓力下保持較高的吸水量,還可以與棉纖維混合成紙。
  8. The results show that the full - azimuth 3 - electrods electrical soundings can find out the geometrical shape and water content of the geological abnormal body, and make clear its hydrological relation with the main water containing layers

    結果表明,採用巷道頂板、底板及側幫電測深的全方位測深模式能夠查明地質異常體的空間賦存形態、富水性以及與頂板或底板含水層是否存在水力聯系等。
  9. In low developed non - karat mountain area, the main water supply patten is fetching water from a river, water - fetching building is built mostly on the bank or at the bottom of the river, it seemed to be fetching water from underground, but the quantity of the water depends on the runoff of the river, so it has close relationship with surfacewater actually

    摘要人類利用開發程度較低的非巖溶山區一般以近河取水為主要供水方式,取水建築物多位於河岸或河底,從供水形式上看屬于取用地下水,但取水量的大小依賴于河流流量,因此實質上和地表水關系更加密切。
  10. By the 1970 s, due to the available provisions of fresh water from shek pik reservoir, the main water supply network for the outlying islands had been completed. this change from well water supplies to tap water from shek pik reservoir assisted in modernising the lives of the island s residents

    在1970年代初期,通過石壁水塘,主要的離島供水網路基本上完成,改變了離島居民以地下水為主要食水水源的習慣,生活得以邁向現代化。
  11. The high island water system had a transport network that included numerous underground tunnels, in total 25 miles long, with diameters of 10 to 13 ft. the main water tunnel was 74, 000 ft. long ( 14 miles ), beginning at pak tam chung, near high island, and going through the sai kung peninsula and tai wan to reach the sha tin treatment works

    萬宜水庫的輸水網路包括了多條直徑10至13尺、共長約25哩的輸水隧道,隧道主線長74 , 000尺( 14哩) ,由萬宜水庫北潭湧起,橫越整個西貢半島,經西貢大環至沙田濾水廠。
  12. Water diverted from the luanhe river to tangshan is a main water source of the caofeidian industry zone

    唐山市引灤供水系統是曹妃甸工業區的主水源。
  13. The dynamical structure of the convective system at cl imax is studied and the air flow field is dep i cted. the ana i yses further show that north j i angsu and north annul is water vapor source of the rainstorm, and the inclining flow of wet air mass in pbl is the main water pass of convective systems

    淮北、蘇北是魯南暴雨區對流層中下層氣流的源地,其充沛的水汽是此次過程前期水汽條件改善的重要原因,除水汽平流造成比濕增加外,對流層70ohpa及850hpa較強的上升運動也是該層次濕度增加的重要因素。
  14. Common ways ofobtaining good ground connection are to connect to main water pipes, taking care to insure that these are not plastic

    獲得良好接地的通常方法是將其接到主水管上(應確認該水管不是塑料的) ,或直接接到大地上。
  15. But this is the main water flow. we just follow it out of the system

    這可是幹流啊,順著走就可以出去了
  16. Primary distribution main water supply

    主配水管
  17. Internal distribution main water

    內部輸水管
  18. The main water quality indexes which were not eligible were microbial and sense

    水質不合格主要是微生物和感官指標。
  19. Distribution main water supply

    總配水管
  20. Many main water system such as changjiang river, yellow river, songhuajiang river, hai river, huai river are polluted seriously, and the eutrophication is very prominent in slow flowing water. the waterworks which adopts conventional crafts and regards rivers and lakes as the source of water faces rigorous test

    我國的主要水系長江、黃河、松花江、海河、淮河等水體污染嚴重,緩流水體(大型湖、庫)的富營養化現象十分突出,以江河湖水為水源的傳統給水處理面臨嚴峻的考驗。
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