河長比 的英文怎麼說
中文拼音 [hézhǎngbǐ]
河長比
英文
stream length ratio-
The us army corps of engineers have begun a program to restore wildlife habitat by creating new islands along a massive, three - mile stretch of the mississippi river
美國陸軍工兵部隊展開新計劃，在長達三英里的密西西比河沿岸建造新島嶼，以重建野生生物的棲息地。The late ordovician - silurian - devonian - early carboniferous stratigraphic division and correlation, including the chronologic correlation of the donghe sandstone, which are the old great difficult key stratigraphic problems interfering with the development of the oil and gas exploration in the tarim basin, are synthetic studied by systematically applying chemobiostratigraphy. several important relevant stratigraphic boundaries are recognized, and the donghe sandstone is attributed to the frasnian, late devonian. the results of the study in particular proves that chemo - biostratigraphy has great significance and is a practical tool for high resolution stratigraphic division and correlation, especially for the region and or the bed with rare fossils
首次系統應用化學生物地層學對長期遺留的嚴重阻礙了油氣勘探開發步伐的塔里木盆地重大疑難地層問題：晚奧陶世志留紀泥盆紀早石炭世地層劃分對比和東河砂巖時代等進行了綜合研究，釐定了幾條重要的相關地層界線，並將東河砂巖的時代確定為泥盆紀晚泥盆世弗拉斯期。這些研究成果表明，化學生物地層學對高解析度地層劃分對比尤其是對在化石缺乏地區和層段進行地層劃分對比工作有重要的意義和實用價值。The landd welling ancestors of this modern king of the sea were hunters with legs and the jaws and teeth of killers. their favorite hunting grounds were probably shallow waters near the mouths of rivers or off a level stretch of coast, for fish, both finny and shell, were then more plentiful and easier to catch than animals. because of this, these land mammals came to spend more and more time in the water
這個現代海中之王的陸上祖先，是有腿有顎有利齒的獵手。它們最喜歡的狩獵場，是靠近河口或是平坦海岸的近海淺水區，因為當時有鰭的魚類和貝殼類動物比現在要多，而且比其它動物更容易捕捉。由於這一緣故，這些陸地上的哺乳動物便逐漸在水中呆得越來越長了。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。The russian expedition cost france itself less than fifty thousand men. the russian army in the retreat from vilna to moscow in the different battles lost four times as many men as the french army. the fire in moscow cost the lives of one hundred thousand russians, dead of cold and want in the woods ; lastly, in its march from moscow to the oder, the russian army, too, suffered from the inclemency of the season : it only reckoned fifty thousand men on reaching vilna, and less than eighteen thousand at kalisch
對俄國的遠征，其實法國的損失不到五萬人俄軍從維爾納撤退到莫斯科，以及在各次戰斗中，損失比法軍多三倍莫斯科的大火使十萬俄國人喪生，他們由於森林里寒冷和物資匱乏而死亡最後，在由莫斯科至奧德河的進軍中，俄軍也受到嚴酷季節之苦在抵達維爾納時，它只剩下五萬人了，到了長利什，就不到一萬八千人了。 」Cu l es el r o m s largo de colombia
哥倫比亞最長的河流是哪條？The information entropy in spatial distribution reaches the climax in changleng town, shigang town, wangcheng town and lehua town, where have a relatively developed economy, drops to the bottom in songhu town, xiangshan town, lianyu town and tiehe town, first ascends and then descends in 1997 - 2004 ( reaches to the climax in 2002 ) in ten towns like xishan town, shibu town, liuhu town, and so on
信息熵的空間分佈，在新建縣經濟比較發達的長?鎮、石崗鎮、望城鎮及樂化鎮的信息熵最大；松湖鎮、象山鎮、聯行鄉、鐵河鄉的信息熵最小；西山鎮、石埠鄉、流湖鄉等10個鄉鎮的土地利用結構信息熵在1997 - 2004年呈先增大后減小的趨勢， 2002年達到最大。The feature is some 27, 000 light - years long ( 7, 000 light - years longer than expected ) and sits at a 45 - degree angle to the galaxy ' s main plane
這一棒狀結構長約27千光年（比預計的長7千光年） ，與銀河平面相交成45度角。The methods for solving these problems are put forword as follows : the method of airphoto scale rangs from 1 / 4 to 1 / 6 of map scale ; a flight line uses belt method ; the optional time intervals of airphoto taking are from may to june and from august to october in one year ; when the contrast at the site is small, or the visibility is rather low and needs to enchance the contrast, the hardening agent should be prepared to process the film
並提出了解決問題的方法：山區航空攝影合理的攝影比例尺應是成圖比例尺的1 / 4 ~ 1 / 6 ；對于山區窄而長，且為線狀走勢的河流宜採用帶狀航線設計方法設計；山區流域水分充足能見度不好，惟每年5 - 6月和8 - 10月是航空攝影的最佳季節；當地面物體反差小或能見度不好而需要特別提高反差時應配製較硬性藥水沖洗等。Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。Based on the cultivated land fertility, according to grain yield, the planting coverage, the ratio of the grain crops to industrial crops and multiple crop index, the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity
摘要以耕地地力為基礎，根據糧食單產、種植面積、糧經比和復種指數對河南省糧食產量和耕地資源承載力進行了預測和分析，得出不同人口增長模式下的河南省2010年和2030年耕地資源人口承載力。The bulk of effect on dredging river for deposition reduction is relative to chosen datum of dredging channel geometry parameter. geometry parameters include dredging channel length, morphology of transversal section and longitudinal slopes
挖河減淤效果的大小與挖槽幾何參數的選值有關，幾何參數包括挖河長度、斷面形態及挖槽比降等。Abstract : through analysis and comparison of the climatic conditions of the main sandy pear ( pyrus pyrifolia nakai ) producing areas in china and japan it is clear that the ecological conditions in the areas where the japanese pears have been extensively grown in japan are quite similar to the ecological conditions of the areas from the line of qinling mountains, huai river, and yangtze river southward in china, where the ecological conditions are suitable to be grown the cultivars of pyrus pyrifolia nakai, including the japanese pear cultivars
文摘:通過對砂梨在我國的生態適應性與日本梨在日本主產區的氣候條件的分析和比較，認為秦嶺、淮河、長江流域及其以南的廣大地區與日本國梨產區氣候條件相似，都適合砂梨及日本梨的生長發育，主要差異在栽培技術水平和新技術的應用上。Through analysis and comparison of the climatic conditions of the main sandy pear ( pyrus pyrifolia nakai ) producing areas in china and japan it is clear that the ecological conditions in the areas where the japanese pears have been extensively grown in japan are quite similar to the ecological conditions of the areas from the line of qinling mountains, huai river, and yangtze river southward in china, where the ecological conditions are suitable to be grown the cultivars of pyrus pyrifolia nakai, including the japanese pear cultivars
通過對砂梨在我國的生態適應性與日本梨在日本主產區的氣候條件的分析和比較，認為秦嶺、淮河、長江流域及其以南的廣大地區與日本國梨產區氣候條件相似，都適合砂梨及日本梨的生長發育，主要差異在栽培技術水平和新技術的應用上。2. through studying the effect of the dredging length, found that it is not a linear relationship between the dredging length and the relatively reduced deposition, for example when dredging exceed a certain length, though the relatively reduced deposition still increase slowly, the depositing volumes begin to decrease
挖槽長度對挖槽效果的影響的試驗研究結果表明，河道相對減淤量的增加與挖河長度的增加並不成等比例線性關系，即挖河長度超過一定值后，雖然河道相對減淤量還有緩慢增加，但減淤效率開始減小。Comparison of speciation patterns of heavy metals in yitong river sediments under anoxic and oxidized conditions
氧化與還原條件下伊通河長春區段沉積物重金屬形態特徵的對比研究The pearl river is five times longer than this one
珠江比這條河長五倍（是這條河的六倍） 。China marine oil spill contingency plan is now in the process of improvement. the inland waterway oil spill is another important area remain to be explored in term of increasing accident rate and booming shipping amount in yang tzi river. the need for inland waterway oil spill contingency plan is imperative. at strategic level, this paper compares several existing oil spill risk analysis methods including " historical date analysis " and " comparative risk indexes ", pointing out limitation of them, and then apply the " comparative risk indexes " approach to " river segment " spill risk analysis, developing " river segment oil spill comparative risk assessment framework " this paper also take new approach to collision and grounding in river by stochastic modeling tanker traffic in narrow waterway
本文在內河溢油反應戰略規劃層次上，分析現有的溢油風險評估方法，包括歷史數據統計法和比較風險評估法，指出相關方法的適用性和局限性；基於長江下游水道採用「區段」和「河段」雙層評估的思路，提出「長江下遊河段比較溢油風險評估模式」 ；將馬爾科夫狀態轉移的思想應用到船舶運動描述中，從隨機過程角度分析船舶在水道中的運行和事故發生，得出船舶事故概率計算模型。As we all know in history of mankind there appeared the mesopotamian civilization in west asia, the ancient egyptian civilization along the nile in north africa, the ancient greek - roman civilization along the northern bank of the mediterranean, the ancient indian civilization in the indus river valley in south asia, and the chinese civilization originating in the yellow and yangtze river valleys
大家知道，在人類發展史上曾經出現過西亞兩河流域的巴比倫文明，北非尼羅河流域的古埃及文明，地中海北岸的古希臘和羅馬文明，南亞的印度河流域的古文明，還有就是發源於黃河、長江流域的中華文明。This river is two times longer than that one
這條河比那條河長兩倍。分享友人