water field 中文意思是什麼

water field 解釋
水場
  • 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;...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. 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。
  2. After long - term synthetic action of these factors, the complicated rock mass in the right dam foundation come into being. the adjoining rock engineering geological classification of water - conservancy and hydraulic - power project reconnaissance code ( gb50287 - 99 ), geomechanic system ( bieniawski, 1973 ), rock mass quality index z ( xiaowang, 1995 ), artificial neural network and field classification were used in the rock mass quality classification

    本文採用水利水電工程地質勘察規范( gb50287 - 99 )的圍巖工程地質分類、巖體rmr分類( bieniawski , 1973 ) 、巖體質量指數z分級(小灣, 1995 )以及人工神經網路分類,對壩區巖體按其基本指標作出定量化評分、分級。
  3. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬,從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。
  4. Oil / water two - phase flow is very common in oil production wells of affusion oil field and the measurement of oil / water two - phase flow is the key of the oil / water two - phase profiling technique

    注水開發油田的油井中普遍存在油水兩相流動,油水兩相流測量問題是油水兩相產出剖面技術的關鍵。
  5. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  6. Taiwan taichung baseball field s night illumination facility, water electricity construction

    省立臺中棒球場夜間照明設備水電工程
  7. Taiwan taichung baseball field s night illumination facility, water & electricity construction

    省立臺中棒球場夜間照明設備水電工程
  8. For some wetland plants such as reed and cattail, a small quantity of petroleum pollutants did not form deadly menace, their growing tallness was positive correlated with water deepness. therefore, wetland buffer can be constructed to reduce the impact of petroleum pollution and plant adaptive wetland vegetation so as to improve the environment of oil field

    結果顯示:濕地環境對土壤中的石油污染有明顯的降解作用,蘆葦等挺水植物的生長量與積水深度呈正相關,土壤中少量含油並不構成對濕地植物生長的威脅。
  9. Furthermore, field observations and data records showed the traces of possible large - scale landslides, which would result in drastic damages to the shipping and the water consonancy project on yangtze river areas, and endanger the nearby residents and their properties. therefore, it is important to predict the landslides to minimize the damages

    一旦發生滑坡,我國的黃金水道?長江將有可能嚴重阻航,甚至斷航,危機附近居民生命財產安全,影響下游水利樞紐工程的建設,因此進行滑坡預報做到提前防災減災及其重要。
  10. Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle

    摘要採用有限元法對陶瓷水煤漿噴嘴溫度場、溫度梯度及其熱應力進行了分析計算。
  11. The main production includes heat - pipe, heat - pipe exchanger setting, rubber tyre hot water deaerate power station, boiler deaerator, tyre forming machine, rubber cutting machine, vulcanize, vulcanizing pot and the special carbon steel or stainless steel pot for oil, chemical engineering, medicine, chemical fertilizer field use

    濟南仙峰泰山化工設備有限公司主要生產熱管、熱管換熱器、橡膠輪胎廠子午胎斜交胎熱水除氧動力站、鍋爐除氧器、輪胎成型機、切膠機、硫化機、硫化罐,還有石油、化工、化肥、醫藥、冶金、建材等行業使用的各種碳鋼、不銹鋼、有色金屬的塔、罐、釜、換熱器等產品。
  12. The paper reports concisely the technology development of pretreatment and subsequence treatment of acidic water stripping installation now, the technology of pretreatment of acidic water include : remove waste gas, waste oil, suspending solid, effluvium and safety measure taken, the technology of subsequence treatment of acidic water include : the technology of return use of srripped water and the technology of sbr and the technology of ion exchange of denitrification, especially the proprietary technology of fripp in the field

    摘要簡述了目前煉油廠酸性水汽提裝置的上下游處理技術及其研究進展,上游技術主要包括:酸性水降壓脫氣、除油、脫懸浮物、惡臭氣體脫臭和應採取的安全防護措施;下游技術主要包括:汽提凈化水的回用、 sbr法、離子交換法除氨等工藝,並簡要介紹了撫順石油化工研究院在本領域上的專有技術。
  13. The present thesis has carried out detailed investigation on the rapid solidification of undercooled bulk water and pb - sn binary eutectic alloy with acoustic levitation, and the various factors influencing the achievement of undercooling in sound field have been analyzed

    主要取得了以下幾方面的研究成果:研究了5 8mm的大體積水在聲懸浮無容器條件下的快速凝固行為。獲得了最大為24k的過冷度。
  14. Soil at field capacity has a high water potential

    土壤處於田間持水量時通常有很高的水位。
  15. Any more water added to soil at field capacity would drain away by gravity

    超過田間持水量的所有添加的水分的都會由於重力作用而流失。
  16. Shrimp is the main food source of cuttlefish, which scattered at the yellow sea and the bo sea of china from every december to the next march in the winter season. after april, it leave the water field to spawning against the current from south to north

    為肉食性,平時以毛蝦鷹爪蝦為食,主要分佈在黃海,渤海一帶,越冬期為12月至豎年3月底, 4月後離開越冬埸而進入產卵洄遊,由南向北。
  17. The content in this paper is preparatory attempt that combines image technique and gas water field measurement technology. this research make strong base for the further application of image technique in two phases flow of gas - water and has significant learning and practicable value

    研究成果為今後進一步深入研究和推廣計算機圖像處理技術在水氣兩相流測量中的應用,打下了有力的基礎;對提高水流摻氣濃度的測量水平和精度,進而提高水力模型試驗水平、滿足工程設計要求等都具有學術意義和重要實用價值。
  18. Finally, it briefly discusses the feasibility, the applying foreground and the approach with regard to the calculating method about the amount of catalyst provided in this paper by integrating the ascending - velocity field and cloud water field in the possible working section abstracted from the mm5 mesoscale model with the thickness of the ice crystal particles in nucleation layer and supercooled water quantity which is surveyed by the plane

    得出適合的催化劑引入高度等。最後,簡要討論了用mm5中尺度區域模式提取可能作業區的升速場和雲水量場,並結合飛機實測核化層冰晶粒子濃度、過冷水量等,探討了本文提出的催化劑用量計算方法的可行性,應用前景和途徑。
  19. 4. based on the j2ee platform, we integrate the above component technique and integration frame to design a flexible integration system of hydrological time - series basic algorithm components about the water field. at last, we validate the validity and correctness of the flexible integration mechanism and frame

    ( 4 )基於j2ee平臺,綜合上述組件技術及集成框架,設計出了一個面向水利領域的水文時間序列演算法基本組件柔性集成系統,對柔性集成機制和框架的有效性與正確性進行了驗證。
  20. With the great development of the computer technology, the appliction of computer in water field also got the development at full speed. already from most handiwork or semihand mode in the past to used office automatic system application and already very ripe exterior service ( as operating charge ) in recent years

    隨著計算機技術的不斷進步,自來水行業的計算機應用也得到了飛速的發展,已經從最開始的手工或半手工的方式,到近幾年來辦公自動化系統的應用以及現在已經使用的比較成熟的對外服務項目(如營業收費) 。
分享友人