水文地層單元 的英文怎麼說
中文拼音 [shuǐwéndecéngdānyuán]
水文地層單元
英文
hydrostratigraphic unit- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 文 : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 水文 : hydrology水文測驗 hydrologic survey; 水文成因分析 hydrologicall genetic analysis; 水文地理學 hydr...
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Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method
本文以太僕寺旗中東部地區為研究區域,採用野外試驗(抽水試驗、實地調查)和室內實驗(顆分、有機質等實驗)相結合的方法,推求了研究區含水層系統的水文水利參數,在系統模擬含水層水理參數與巖性物理化學特徵參數之間的關系基礎上,進一步分析了含水層參數及其包氣帶的物理、化學特徵參數的空間變化特徵,並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析;以現狀地下水開采量為依據,採用水均衡法評價了研究區水資源總量,並利用有限單元法來模擬分析驗證。Of the various kinds of prospecting work, the hydrogeologic work should be mainly carried out in following aspects : division of hydrogeological units, the determination of artesian water - bearing system and the identification of prospecting target horizon ; the analysis on hydrodynamic regime, the analysis on hydrogeochemical environments, the paleo - hydrogeologic analysis and the delineation of redox front and favourable area for uranium ore - formation
其中水文地質工作著重從以下幾個方面來進行:水文地質單元劃分;承壓含水系統和目的層的確定;水動力條件分析;水文地球化學環境分析;古水文地質分析;氧化還原帶和成礦有利地段的圈定。Since groundwater resources occurs in an aquifer system as a constituting part, their evaluation should be carried out within the whole aquifer system or a hydrologic system, not within individual aquifers
地下水資源發育的系統性,要求以含水系統或水文系統、而不是以含水層為單元進行地下水資源評價。In the anaphase of development, the water content ratio is high in the reservoir, the microcosmic distributions among the formations are different. in order to get the situation of the remaining oil, the author applied fine numerical simulation methods to study every small layers about tuo28 down reservoir. because the characters about geology and liquid are different from past time, the change have been considered
為進一步搞清坨28斷塊下油組各單元特高含水開發後期剩餘油在層間、層內的微觀分佈,本文重點介紹了精細數值模擬方法對下油組各小層的研究,與以往數值模擬研究不同的是,本次研究充分考慮了坨28斷塊的地質特點和流體特徵隨時間的變化,結合不同開發階段,建立了不同的模型,從而使研究結果更接近地下油藏實際。Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last
本文採用因素法定量化評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。In this paper, it is studied and analyzed characteristic of stress, distortion etc. of pipe liner structure combining dahuofang transport water tunnel practice project, tunnel boring machine construction, and it is considered that affects internal force of pipe liner for early stress of underground structure and digging load. in nonlinear finite element calculation model, folium cells have been simulated among pipe liner and pipe liner and wall rock. under varies load condition, it has educed that changing rule of stress, distortion and load characteristic pipe liner in kinds of wall rock tunnel by analysis and calculation
本文結合實際工程,分析研究了大夥房水庫輸水隧道工程在採用掘進機施工方法的情況下,利用管片襯砌的結構應力、變形等受力特性,考慮地下結構初始應力和開挖荷載對襯砌內力的影響,採用薄層單元模擬襯砌管片之間、襯砌管片與圍巖之間的非線性有限元計算模型,通過分析計算得出不同荷載工況下各類典型圍巖段隧道襯砌管片受力特徵、應力和位移變化規律。Based on the finite layer method and finite element method, a numerical analysis model of pile - soil interaction is established for single pile. it is proposed to transform a half infinite space problem into a 2 - d quasi - plane problem
對于單樁,本文以有限層地基模型和平面有限元法為基礎,建立了能夠反映水平荷載下樁土共同作用的彈性數值分析模型,把半無限空間問題轉化為準二維平面問題。The main conclusions are as follows : through the different structure and algorithm application of bp model in the predication of regional groundwater hydrology, the hidden layers number, learning rates, neuron number of hidden layer and training errors of bp model and accelerated bp algorithm which influence the convergence effects and test results of model are compared each other. some application technology related parameters of bp structure design are put forward
論文取得了以下主要成果:通過不同bp網路結構和演算法在區域地下水文預測中的實例研究,重點比較了不同層次結構、隱層單元數、學習速率、訓練收斂誤差等4個基本要素及不同演算法、不同樣本容量等對模型收斂效果、模擬、檢驗與預報結果的具體影響。And all words in every set can be classified into two types. then according to the different types of the words, the words in every set are embedded into two watermark groups in a specific watermark embedding way, and their contents are associated with embedded watermarks. so during watermarking detection, the action that the attacker deliberately distorts or modifies the watermarking feature by extracting watermarks consciously or not can be found easily, and the text integrity detection performance can also be enhanced
按此思路,對全文2字元以上的單詞將它們分為3個集合(即3層)並將之作為水印嵌入對象,而每層的所有單詞又區分為2類,對每層的單詞按一種水印嵌入方式嵌入2組(次)水印,而對單詞嵌入水印信息的時候根據其類別的不同以不同方法嵌入,使水印的嵌入與單詞內容相關,以利於水印檢測時能夠發現某些情況下攻擊者有意或無意地保留水印而對文本內容進行刻意篡改或者直接修改水印特徵的行為,以增強文本完整性檢測的性能。In this thesis, the internal force and transfiguration of the double reticulated dome under different load combination are studied ; the linear and nonlinear analysis are separately performed ; compare the difference between space girder element and space truss element ; at last analyze the dynamical response under seismic action. the horizontal seismic response of double layer oblate lattice shell is analyzed by using step - by - step integration procedure. the effect of some parameters such as exterior load, different support conditions and damping ratio on the dynamic internal forces and dynamic properties is studied
本文旨在研究雙層球狀網殼結構在各種載荷組合下的內力和變形,分別進行了線性和非線性靜力分析;進行了空間梁單元和空間桿單元兩種計算模型的比較;最後進行了在地震荷載作用下的動力反應分析,動力分析中用子空間迭代法得出了這類空間結構的動力特性,用時程法中的振型疊加法分析了結構在水平地震作用下的動態響應規律。The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized
本文介紹了基於線彈性本構關系的biot理論;設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案;利用有限元程序,模擬了基坑降水對周圍環境的影響;在合理假設的基礎上,分析了地下水開采過程中,地層應力的變化規律,找到了影響地面變形的參數;與隨機介質理論相結合,通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型,並編制了電算化程序;通過某單井開采實例驗證了該方法的可行性,實現了地下水開采引起地面變形的預計。All concrete structures are exposed to volume changes caused by hydration reactions in the early age. if the volume changes are restrained, stresses is generated which will cause cracking when it overcomes the tensile strength. as the mechanical properties of early age concrete vary with time, especially the creep degree depends on the time elapsed and the time at loading, to calculate the stress of concrete structure is a complex nonlinear problem. the finite element method ( fem ) can take account of the evolution of the stiffness properties, the development of thermal strain, creep, shrinkage and so on. in this paper, a general approach for numerically simulating this type of behaviour is presented firstly. then, how to solve this problem is introduced by the general finite element software ansys using the initial stress method. finally, a detailed description of an example calculation that demonstrates the potential of the numerical simulation strategy follows
早期混凝土由於水化反應都會產生體積變化.如果體積變形受到約束就會產生應力,一旦超過混凝土的抗拉強度就會產生裂縫.由於早期混凝土的力學性能是隨時間變化的,特別是徐變,它不僅與加載時間有關而且同時隨齡期而變化,因此計算早期混凝土結構應力是較為復雜的問題.有限單元法不僅可以考慮混凝土剛度的變化,而且可以考慮溫度、徐變、收縮等因素.本文利用初應力法對通用有限元軟體ansys進行了二次開發,通過工程實例計算了高層建築地下室側墻早期混凝土應力的變化過程,並提出了相應的抗裂措施This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic, and some other countries " codes ). then, according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ), the paper designs two multi - storied irregular concrete spatial frames, which respectively situated at the area of fortification intensity 8 and 9. subsequently, using the program based on the column - beam element of fiber model, input several ground motion records, which are selected according to the demand of code, to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time
本文對比了我國新、舊建築抗震設計規范( gb50011 - 2001 、 gbj11 89 )以及國外設計規范(或指南)中關于結構扭轉效應與抗扭設計的相關規定;按照新建築抗震設計規范和混凝土結構設計規范( gb50010 2002 ) ,設計了設防烈度分別為8度和9度的兩個多層鋼筋混凝土不規則空間框架結構,利用纖維模型樑柱單元的三維非線性動力分析程序,根據新抗震設計規范的要求,在設防地震作用和罕遇地震作用水準下選擇適當的地震波作為輸入,對結構進行了雙向地震作用下的三維非線性動力反應分析。分享友人