河貌學 的英文怎麼說
中文拼音 [hémàoxué]
河貌學
英文
fluviomorphology-
Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant
河北大學理學博士學位論文對于單一組份的稀土氧化物，探索出一條更經濟、更方便的合成方法，即:用碳酸氫錢做稀土沉澱劑，成功地制備了納米l匆03 ，並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究，確定了碳酸憫的組成，氧化斕的物相、結構，並發現分散劑的種類對微觀形貌有一定的影響。Study of a flood channel or flood - dominated channel of estuary is not only an important content in estuarine dynamic geomorphology and dynamic sediment, but also is a practical problem nearly related to the selection of harbor sites, regulation of sea - entering waterway, bank revetment and land reclamation, and even the comprehensive exploitation of estuaries
河口漲潮槽的研究不僅是河口動力地貌學和河口動力沉積學研究的重要內容和前沿課題，而且對港口選址、通海航道治理、護岸圍墾以及河口綜合開發利用都具有重要的研究和應用價值。In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory
本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系，研究分汊河道的分流特性，並推導理論分流模式；另一方面，通過建立二維水流數學模型，與理論分析結果進行比較。Some measures are introduced for the recoveries of river geomorphology diversity on the basis of river continuum concept, four - dimensional nature and eco - hydraulic engineering
基於河流連續體、河流四維模型等河流生態修復的基礎理論以及生態水工學的相關理念，對河流地貌多樣性修復的一些方法和工程措施進行了總結和歸納。This company provides a full range of consulting services in the field of bioengineering for the fields of aquatic biology, ecology, and water quality ; hydrology, fluvial geomorphology, soil science, and wetland management
該公司是一個生物工程領域的全方位咨詢公司，業務范圍涉及到水生生物學、生態學、水質量、水文測量、水文學、河流地貌學、土壤科學和濕地管理等。With the development of computer technology in hydrographic field, usage of many kinds of advanced and complicate algorithms is not a problem. but because of complexity of geography, acquirement of primitive data needed in hydrographic calculation is still hard to tackle, for example, the length of river segment, the width of every node of every river segment
隨著計算機技術的發展，在水文學及水資源學科，運用各種先進、復雜的專業演算法求解已經不成問題，但由於地形地貌的復雜性，水文計算中所需的原始資料，如河段的長度，河段各斷面上各個節點處的河寬等數據的人工實地採集工作仍然是很費時費力的事。From chapter 4 to chapterl 1, a serial of comparable methods were adapted to analyze the obtained results in chapter 2 and chapter 3, in order to describe quantitatively the changing of engineering geological environmental factors with time and space that is induced by different wave loading action, including reaction of topo and morphologic features to hydraulic condition, reaction of grain size and mineral composition to it and reaction of static and dynamic mechanical index to it
在此基礎上，針對現場和室內實驗取得的結果資料，採用一系列統計分析方法，定量描述水動力作用導致的黃河口典型研究區工程地質環境要素隨時間和空間的變化，包括形貌特徵對水動力條件響應、沉積物的粒度與礦物成分及結構對水動力條件的響應、沉積物的靜力與動力學指標對水動力條件的響應。From the multi - disciplinary synthesis, such as ecology, river morphology, economics, river mechanics, etc., it constructs sixteen specific indices which reflect river structure and function at different layers and classes, indicates the meaning and the determination approach to the indices, and finally determines the index weight through the layered binary compared the expert analysis method
該評價體系既考慮了人類社會需求的滿足程度，又考慮了維持河流自身生命的需要，從生態學、河流地貌學、經濟學、河流動力學等多學科綜合角度，構建了分層次分類別反映河流結構和河流功能的16個具體指標，並明確相應指標的意義及確定方法，最後選擇分層次二元對比專家分析法確定指標權重。Supported by the state natural science foundation project " formation mechanism and evolution processes of flood channels in the changjiang estuary ", this paper study systematically the formation and evolution, erosion and deposition, and features of dynamic sediment of flood channels in the changjiang estuary, and put forward a development model of the different flood channels
本文依託國家自然科學基金課題《長江河口漲潮槽形成的機理與演化過程的定量研究》 ，以長江河口的漲潮槽為研究對象，採用沉積和地貌，定性和定量相結合的方法，運用gis技術對河口漲潮槽的形成機理、演化模式、動力沉積特徵以及沖淤變化等問題進行了系統的研究。The dissertation was relied on the project of national nature science foundation project formation and failure of hard crust on the subaqueous delta of yellow river ( contract no. 141720888 ), and objective to research dynamic variation of engineering geological environmental factors i. e., topographic and morphologic features, composition and structure, physical and mechanical properties on the subsurface of yellow river delta, that was induced by wave loading action
本學位論文以國家自然科學基金面上項目「黃河口水下斜坡硬殼的形成與破壞」 （項目號： 141720888 ）為依託，旨在研究波浪作用導致的黃河三角洲表層工程地質環境要素，即形貌特徵、物質組成、物理力學性質的動態變化過程。分享友人