坡率 的英文怎麼說
中文拼音 [pōlǜ]
坡率
英文
ratio of slope-
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。The report takes account into the influence of foreshore and shallow foreshore, roughness, slope, berm, wave attack angle, vertical wall and so on
報告給出了復雜斷面上波浪爬高和越浪量的計算公式,計算中考慮了前灘、邊坡糙率、邊坡坡度、平臺、波浪入射角以及豎墻等因素的影響。Application of continued fraction approximation method to slope probabilistic analysis
函數連分式漸近法在斜坡穩定性概率評價中的應用To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate
採用以壩體末端為基準面的壩體逆坡防護時,消力池挖深減小,消能率提高,壩面平均流速減小,壩區防護難度降低。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。It is a rather well - known fact that bank - slope deformation and failure result from the coupling of earth ' s endogenic and exogenic geological processes, in which different dynamic - force factor has a different correlation to the evolution of bank - slope
摘要河谷岸坡的變形與破壞是地球內外動力耦合作用的結果,並且每一種動力地質作用對于岸坡變形失穩的貢獻程度不同,造成岸坡變形破壞頻率和規模的空間差異。Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward
文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?Measures for raising ore dressing recovery in indongpo gold mine
提高銀洞坡金礦選礦回收率的措施Probabilistic analysis of earthquake - induced landslides
地震誘發滑坡的概率分析The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment
結果表明: ree示蹤技術對定量研究土壤侵蝕具有較高的精度;降雨前期,片蝕與細溝侵蝕發育程度基本相當;後期細溝侵蝕占據坡面侵蝕的主導地位,其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍;試驗結束,細溝侵蝕占據坡面總侵蝕的90 % ;本試驗條件下,坡面下1 / 3區域為侵蝕活躍帶。The chances of catastrophic flank failure are slim, and the instruments that record silent earthquakes might make early warnings possible
災難性邊坡崩坍發生的機率其實很低,而記錄無聲地震的儀器也使及早發出預警成為可能。It was shown that the physical property, electric resistivily and microstructure of soil in the slide area were different from those in the slope, and could be used to determine the slip zone, while the mineral ingredient and chemical composition could not be used generally to identify the slip zone
研究結果顯示:黃土滑坡滑帶土的主要物理性質指標、電阻率特性、細觀結構特徵、微觀結構特徵與滑坡體及滑床有顯著差異,在實踐中可作為鑒別滑動面的標志;而滑帶土的礦物、化學成分沒有明顯的差異變化。To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地形和天空散射光均得到適當考慮,計算量又在可接受范圍內。Along with the deeping and steepening of the slope, the difficulty to maintain stability of the slope and the probability of failure of the mining area are getting large and large
隨著邊坡的加高加陡,露天邊坡穩定性維護的難度和采場破壞的概率越來越大。In the forth chapter, the paper mainly analyzes the origin of the trinitarian system of our security market, outlines the picture of framework of institutions as well as performance of china security market, and gives an explanation on performance of listed companies from angle of corporate governance
第四章是第三章的自然延續,主要探討了「三位一體」證券體制的形成,分析了其中的制度互補,初步勾勒出了證券市場體制框架和績效浙江大學博士學位論文中國證券市場制度績效研究結構框架,從公司治理效率的角度給出了上市公司效益滑坡的一個解釋。Statistically, i may be far from reality, but it helps by putting things in perspective. we could take as a reminder that three seconds of what we say and how we behave can wipe out what the volunteer has taken three weeks or more to communicate - that singaporeans can be something else other than efficient, hardworking but ungracious
在國外的新加坡義工,花三個星期或更多時間努力向他人證明,新加坡人也能夠關懷他人,並不只是如一般人所說,有效率勤勞但缺乏優雅行為,卻可能因為我們在三分鐘里的言談舉止,完全被否定。Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically
並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。Combining anchor - shotcrete with shed - tunnel structure, a reasonable and complete supporting system of the slope was formed, and the excavation scope of slope reduced significantly
通過棚洞頂按一定坡率回填,種植樹草,可有效地綠化洞口邊仰坡。To put the magnitude of road erosion in yunnan in perspective, the much lower landslide rates from roads in north america were substantial enough to shut down much of the logging on federal forest lands in the western united states
要正確認識雲南公路侵蝕的程度,不妨看看北美地區的情況,那裡低得多的公路滑坡率就足以讓美國西部聯邦林地上的許多砍伐行為停止下來。Finally, the author point out that the ratio of side slope ' s selection should considered with factual project items and adopt corresponding disposal methods so as to prevent side slope ' s collapse
通過理論分析和試驗實踐總結提出:相對穩定的坡率還必須與其它工程項目相結合,採取相應的處理預防措施,進行綜合治理。分享友人