模型沙 的英文怎麼說

中文拼音 [móxíngshā]
模型沙 英文
model material
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明，黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ，輸沙量為1 . 853億t a 。
  2. Also, the highly controversial aum shinrikyo sect in japan ( which attacked the tokyo subway with sarin gas ) was trying to build a community of scientists after the model of the foundation and used this book as its inspiration

    在日本受到高度爭議的真理教（在東京的地下鐵使用沙林毒氣攻擊）以基地為模型，並且用這本書當作他們的教示，正試著建立一個由科學家組成的團體。
  3. Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed

    摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究，開發並建立了長江口全沙（懸沙和底沙）數學模型。
  4. It is hard to modify or control the shape of model sand by common ways of comminution

    通常的粉碎方法時塑料模型沙不規則顆粒形貌的控制和改善是十分困難的。
  5. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術，運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法，分析了斷裂構造、河流地貌（階地、漫灘、沙洲）及懸浮物等在tm遙感圖象上的影像特徵，解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈，並新解譯出了9條近東西向的斷裂。
  6. Sand - dust storm forecasting model based on svm

    的沙塵暴預測模型
  7. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  8. 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。
  9. Through the study of the example of shaxi porphyry body in anhui province, the authors first figured out the storage time of plagioclase phenocrysts, then calculated the nucleation rate and growth rate of the crystals and, on such a basis, established the thermal model for cooling of the hypabyssal magmatic system

    本文試圖通過對安徽沙溪斑巖體進行實例研究，先求出斜長石斑晶的存儲時間，再算得晶體成核速率和生長速率，進而建立起淺成巖漿體系冷卻的熱模型。
  10. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程，以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  11. The coupled model of wind velocity - sand movement - electric field and its effects on the windblown sand cloud

    電多場耦合模型及其對風沙流結構的影響
  12. Two - fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water

    摘要本文採用雙流體大渦紊流模型對靜水中泥沙雲團下落過程進行了研究。
  13. This is a distributing trend. all that account for that the project have quite obviously advantage. form the experiment of different density stream, the stream come into being is quit possibly. can the sandiness move to the dam and expel from the reservoir suppend on some complications

    在壩前局部模型試驗中，方案二的出庫含沙量平面上呈底孔大、電廠和取水口小的分佈趨勢，而初設方案運用則相反，說明方案二具有較明顯的優越性。
  14. Spectacle is by no means limited to the battle scenes ; one major setpiece is an enormous rally at chicago ' s soldier field where the men are expected to scale a large model of mount suribachi and plant the flag

    影片場景決不會局限於戰爭場景，一個重要的場景是在芝加哥戰士廣場的盛大集會，在那裡人們要樹立一個巨大的沙巴其山的模型，並插上星條旗。
  15. 5. according to tiansha river ' s water diversion and flow strengthen project that is determined by zero - dimensional model, the plan of tidal river networks is successfully calculated

    緊密結合江門市天沙河引水增流工程項目，根據零維模型確定的方案，對感潮河網進行了方案計算。
  16. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證
  17. Even the chemical synthesis model sand can not satisfy the need of silt dynamics research in different similar scale for the expensive self - cost and unchangeable density

    而採用合成的樹脂顆粒作為模型沙，成本較高，且過于圓滑，亦不能根據相似比尺的要求調整其密度，給泥沙動力學研究造成不便。
  18. The shape of model sand particle play an important role in submarine rest angle, starting speed, bulk specific weight and some other physical characters

    摘要顆粒形貌對模型沙的水下休止角，起動流速、堆積密度等性能有顯著影響。
  19. Experimental research on physical characteristics of compound model sands made of hydrophilic resin

    親水性樹脂基復合模型沙力學特性試驗研究
  20. According to the similar rule, a movable bed model for downstream channel and the particle size distribution of the model silt in the channel and the scour hole are designed. a theoretical method of size distribution in the scour hole is devised

    根據模型律設計了太平灣尾水渠動床模型，分別確定了河床中和沖刷坑中模型沙的配比，並對沖坑中的床質級配進行了理論推導。
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