坡率法 的英文怎麼說
中文拼音 [pōlǜfǎ]
坡率法
英文
slope ratio methcd-
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。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Probability analysis method for the stabilityof grid and bedded rock slope
格狀與層狀巖體邊坡穩定性分析的概率方法Abstract : after the experiment was carried out about implanting wild c. sanyemutong, observation was made on its phenology growth dynamic and reserve percentage, the results show that c. sanyemutong grows and bears well on red soil slope land. some corresponding countermeatures and ways are put forward to implant c. sanyemutong
文摘:對引種的三葉木通，進行了物侯期、生長動態及成活率等特性調查，表明三葉木通在紅壤坡地能正常生長、結果.提出了三葉木通人工栽培的相應措施和方法The function of science and technology progress in economic development is discussed from the economic and technique. this thesis divides four contents. chapter 1 analyzies cobb - dorglas production function and so1ow " worth method in remaining " theories, and introduces this thesis ’ main content. measure to calculate chemical fibre business science and technology progress contribution rate with the " worth method in remaining ", the chemical fibre business annual report data for measure to calculate basic data, calculation method adopt excel, using this method to jilin chemical fibre business in the 1995 - 2005 years science and technology progress the contribution rate proceeds to measure and analyze
本文從技術和經濟相互關系角度論述了科技進步在經濟發展中的作用，著重分析了柯布一道格拉斯生產函數及索洛（ so1ow ） 「余值法」在我國化纖企業中的適用性。針對化纖企業多年以來受產能增加和需求不足的影響而產生的效益滑坡問題，利用企業上市公司年報數據，使用excel表進行數據計算，研究歸納出一種簡捷、科學的測算化纖企業經濟增長中科技進步貢獻率的模型方法。Eric li, convenor of the breakfast group in the legco, remarked that although singapore, one of hong kong s biggest competitors, offered a bunch of tax concessions to foreign investors, there was still a gap between hong kong s tax rates and those in singapore. therefore, slight increases in certain taxes would not drive foreign investors away. he added that as long as the government did not change the profits tax and the salaries tax into complicated taxes such as level - by - level progressive taxes, hong kong s edge of simple taxation would not be jeopardized
立法會議員、早餐派召集人李家祥則表示，即使香港最大競爭對手，如新加坡等均會向外商提供多種稅務優惠，但香港與新加坡的稅率仍有一定距離，所提高若干稅率，亦不會導致外商撤離；他補充，只要政府沒有將利得稅或薪俸稅改變為分段式的累進稅等復雜稅項，就不會破壞香港簡單稅制的優點。For still higher efficiency, singaporeans have come up with many new ways and regulations. a swipe of a little smart card saves the trouble of queuing up at the border checkpoint or the hassle with the traffic police over a no - casualty accident
新加坡為提高辦事效率，還創了許多新方法新條例：用刷卡解決出入境登記處排隊的問題，一般車禍無需找交警東西新，方法新，人也新。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed
本研究在廣泛總結前人研究成果與研究經驗的基礎上，利用空間數據挖掘和地形地貌學的基本理論，以陜北黃土高原多地貌類型區為實驗樣區，以1 10000比例尺dem為樣本數據，探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構；確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構；系統總結了dem基本地形因子的提取演算法，並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析；提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法；擴充了arcviewgis軟體平臺中dem空間分析的基本功能；實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發；完成了對黃土高原多地貌類型區（樣區）地形信息空間分異特徵的分析。When the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m
討論了頻率加速時間為零時，矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數，同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數，介紹了滑差限定的方法，為設計含有inv - m的系統提高提供了理論依據Abstract : when the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m
文摘:討論了頻率加速時間為零時，矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數，同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數，介紹了滑差限定的方法，為設計含有inv - m的系統提高提供了理論依據Based on the summary of the inspection effect for one hydrogeological year of stage geological disaster prevention project of xingshan county in three gorges region, this paper puts forward the relevant and effective methods for the harnessing of landslide, dangerous rock body, collapsed bank and other different geological disasters, and proposes suggestions for the future inspection of geological disaster prevention projects
摘要本文通過對三峽庫區興山縣二期地質災害防治工程一個水文年的效果監測總結，提出了針對滑坡、危巖體、塌岸不同地質災害體的抗滑樁、格構、掛網噴砼等不同治理工程所應採取的與之相適用、而有效的監測方法、監測頻率，以及資料整理、工程效果分析時應注意的問題等，為今後做好地質災害防治工程監測提出建議。A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained
提出了一種匯流時間計算方法，匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式，同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后，將其看作隨機變量，進行統計分析后，得到匯流時間的頻率分佈? giuh 。The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象，採用傳統生態學的野外調查方法，從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境（土壤含水量、溫度）相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化，取得了如下研究結果： 1 、植被群落組成、多樣性及生活型：沙坡頭地區人工植被經過近50年的演變，從流動沙丘到固定沙地，沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變，從人工植被建立初期的少數幾種引種植物到現有30多種植物，隨著固定沙地時間的延長，植物種類日趨豐富，並且人工植被在15 25年、 40 50年兩個階段，物種的周轉速率最大，即群落結構變化最大。According to the crt rule and the concrete situations of zhuolu county, the grading standards included seven main factors ( slope, soil body thickness, condition of irrigation, o. m., soil texture, salt - status, soil body configuration )
根據crt值法則和涿鹿縣具體情況，採用特爾菲法，確定了分等因素指標集，該因素指標集包括：坡度、有效土層厚度、灌溉保證率、有機質、質地、鹽漬化、剖面構型七個主要因素。This paper has come to some comprehensive conclusions on the basis of the practical use of this double - index evaluation method in the slope of pishihang channel. a calculating program for the double - index evaluation method is compiled to raise the calculating efficiency. the reinforce measures that adopt the new thesis of renewing stress and the expansive anchor are presented
本文針對淠河總乾渠（城區段）邊坡這一實際工程引入了安全系數和可靠度相結合的雙重指標體系分析方法進行穩定分析，得出了較為全面的結論；在雙重指標體系分析方法的基礎上編制了計算程序，提高了計算效率；應用應力重塑新思想及其配套實施手段?膨脹錨提出了初步的邊坡加固解決措施。Application of rosenblueth moment estimation method into probabilistic analysis of slope stability
方法在斜坡穩定性概率評價中的應用On the basis of the theory about water potential in soils, a partial differential equation of water movement in unsaturated soils is derived, which chose volumetric water content as the control variable. the numerical solution of the equation using finite difference method is discussed in this paper, and the modality to calculate water movement in slope considering rain infiltration
基於非飽和土的土水勢理論，本文推導了以體積含水率為因變量的二維非飽和土的水分運動方程，並給出了用有限差分法來求解此偏微分方程的方法，得到了考慮降雨入滲影響的土坡水分運動的計算程式。( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
（三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。Applying the relevant analysis approach of gray system, the authors analyze and assess the average of 9 pasture species on the 12 indexes, including the total covering rate, the hight of grass, green period, reviving period, resisting disease, tiller, length and amount of root, weight of root, weight of leaf and stem, tasty impression, and study the application of gray analysis in the comprehensive assessment
摘要應用灰色系統中的關聯分析法對9種牧草的總蓋度、草層高度、根系人土深度、青綠期、越冬率、抗病性、分孽數、根長、根數、根重、莖葉干重、適口性等12項主要性狀進行了綜合評估，並討論了灰色分析法在選擇坡耕地水土保持牧草草種綜合評估中的應用。分享友人