influence of ground 中文意思是什麼

influence of ground 解釋
地面效應
  • influence : n 1 影響,感化 (on; upon)。2 勢力,權勢。3 有影響的人物[事物],有權勢的人。4 感應。vt 1 影響。2...
  • of : OF =Old French 古法語。
  • ground : adj 碾碎了的,磨過的,磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地,地面;...
  1. Influence of earth temperature gradient on ground stress calculation in underground mines

    地溫梯度對地下礦山地應力計算的影響
  2. To study the influence of this damper configuration to aeromechanical stability, some work has been done in this thesis. first, dynamic equation of the rotor - hub system was modeled with the generalized hamilton principle, which can be used to analyze the stability problem in different conditions like on - ground, hovering and flight. when fastening the fuselage, the model can also be used to analyze the stability problem of isolated rotor system

    為了研究這種新型布置減擺器對直升機穩定性的影響,本文所作研究工作如下:首先,本文利用廣義的hamilton原理建立了適用於不同狀態(地面、懸停和前飛)的旋翼/機體耦合系統的動力學模型,該模型中將機體固定可以用來分析孤立旋翼的穩定性問題。
  3. It shows that hard layers barely affect the ground motion and can thus be neglected in general. the soft layers, on the other hand, can influence the ground motion greatly, i. e., seismic response will decreases when the period less than 0. 1s and it increases when period greater than 0. 3s, but it will not change significantly for the long period over 3s. therefore the whole effect of the soft layers on earthquake ground motion in fact depends on the characteristic frequencies input

    研究結果表明,硬夾層的影響很小,一般情況下,可以不予以考慮;軟夾層有較顯著的影響,其影響主要表現為:對周期小於0 . 1s的高頻段反應減小,對周期大於0 . 3s的較長周期段反應增大,而對周期長達3s及以上周期段反應幾乎無影響,因此,軟夾層對場地地震反應影響的總體作用是增大還是減小反應,取決于計算基底輸入地震動的頻譜特性。
  4. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題,通過分析單相接地故障后機端和中性點零序電壓的變化特點,提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案,並實現定子繞組的100 %保護。
  5. In the light of the pulse width of the radar wave, this paper deals with the difference and the relationship between the vertical resolution and the transverse resolution of the ground - penetrating radar, indicates the influence of the noise upon the resolution and, with practical examples, points out that the digital handling of the signal can greatly improve the resolution of the radar

    摘要從雷達波脈沖寬度出發,闡述垂直解析度與橫向解析度的區別和相互關系,並同時指出噪音對解析度的影響,用實例說明訊號的數字處理能大大的改善解析度。
  6. To illustrate this point, vi the dynamic of the water and salt in fukang oasis will be analyzed. by comparative analysis of the dynamic of soil moisture and salinity in farmland, the abandoned land inside new oases, sand dune and the grassland periphery, the influence of dynamic state of soil moisture and salinity on the oasis stability can be clarified. thus, we may draw the following conclusion : l. at the plains in fukang, the ground water table rises gradually from south to north, and it falls in the desert

    本論文研究圍繞典型荒漠植物群落的水鹽動態變化及其對植物群落空間分佈的影響以及綠洲內的水鹽動態變化,通過綠洲農田與綠洲內撂荒地、綠洲外圍水鹽動態的對比分析,水鹽動態變化對綠洲穩定性的影響,得出以下結論: l從南至北,研究區地下水位在平原區逐漸升高,在沙漠中又降低。
  7. In this paper, the existing problems in bracing structure of deep foundation pit are discussed from three sides - estimating the earth and water pressure, the influence of ground water on excavation engineering, and time - space effect and deformation control in the excavation engineering

    從土水壓力的計算、地下水對基坑工程的影響、基坑工程的時空效應與變形控制三方面,對深基坑支護工程中存在的問題進行了論述
  8. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    ( 1 )本文利用三軸壓縮試驗,比較各種國產土工合成材料對砂土的加筋效果;利用直剪試驗和拉拔試驗,比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性,深入研究土工合成材料的加筋機理,首次明確提出加筋土工合成材料的選型原則; ( 2 )本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性; ( 3 )本文採用有限元法,系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響; ( 4 )本文主要結論如下: (無紡土工織物適合用於允許大變形的加筋土工程;滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程;玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程;土工網適合用於低等級的加筋土工程。
  9. Influence of ground mineral admixtures on pore structure of hardened cement paste and strength of cement mortar

    磨細礦物摻合料對水泥硬化漿體孔結構及砂漿強度的影響
  10. 4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance

    4 、深入研究了基於沿跡干涉釁1 )技術的多孔徑sar系統地面動目標檢測和成像方法,給出了採用ati方法對兩幅sar復圖像進行慢速目標檢測的完整過程,詳細分析了各種因素如雜波、噪聲、目標信雜比、目標速度及多視處理等對檢測性能的影響,並通過大量的模擬給予驗證。
  11. Influence of shallow tunnel excavation on ground surface buildings

    淺埋隧道開挖對地表建築物的影響
  12. By the compounds of submandibular gland cells and collagen sponges. we investigate the optimal cell denisity of tissue engineered compound of submandibular gland cells and collagen sponges, the cellular compatibility of tissue engineered compound of submandibular gland cells on the collagen sponges with different porosity and the influence of epidermal growth factor on the adherence of submandibular gland cell to collagen sponge. our studies can primary provide theoretical ground work to form the model in vitro of tissue engineering smg

    在本研究中,以初步探討體外頜下腺細胞與膠原海綿支架相互作用為目的,採用體外分離培養sd大鼠頜下腺細胞,然後接種于膠原海綿支架上體外復合培養的方法;從不同接種細胞濃度對細胞一支架復合物影響,同一接種細胞濃度在不同孔隙率的支架上黏附、增殖的情況及表皮生長因子( egf )對頜下腺細胞的促增殖作用,促細胞在支架上黏附等三方面入手,初步研究了頜下腺細胞與膠原海綿相互作用的影響因素,為進一步在體外及體內構建較為理想的組織工程化頜下腺提供理論參數和實驗依據。
  13. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上,對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。
  14. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統,重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法,以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  15. The thesis focuses on introducing the influence of blasting stress wave and blasting gas on broken rock and analyzing the relationship between the character of rock mechanics and possibilities of blasting, it mainly introduces the presence of ground station of emulsion explosive mixed loading truck in pragmatic technology home and abroad

    本文介紹了乳化炸藥混裝車及地面站國內外應用技術現狀和現場半成品,成品生產工藝,成品炸藥形成機理分析,闡述了混裝炸藥爆破施工的優越性。著重對乳化混裝炸藥在巖石深孔梯段爆破中的側向破裂范圍和底部破裂范圍值進行測試、並進行了分析和計算。
  16. Influence of tectonic stress on mining - induced ground damage in coal mining area

    構造應力對煤礦區采動損害的影響探討
  17. With the example of jianchang coal mine and jidong coal mine , analyzed the rule of ground wet lifting, pouring gas amount addimg, mine pressure increasing and influence on production, also provided the solving methods

    以堿場煤礦和雞東煤礦為例,分析了煤礦深部開采時出現的地溫升高、瓦斯湧出量增加、礦山壓力增大的規律性及其對生產技術工作產生的影響,提出了解決問題的方法,有較強的針對性,並取得較好的應用效果。
  18. Abstract : on the basis of analysis of stete of ground water in north slope of open - pit mine, the influence of ground water to the stability of open - pit mine slope by blasting shock was studied

    文摘:通過分析露天礦北部邊坡地下水狀況,討論了在爆破震動影響下,地下水對露天礦邊坡穩定性的影響。
  19. Study of influence of ground water to slope stability in north slope of open pit mine

    地下水對露天礦北部邊坡穩定性的影響探討
  20. Taking the shield structure tunnel for project r413 of shanghai metro line 9 goes down through shanghai - hangzhou railway as a background, this paper compares and analyses the influence of ground settlement coursed by shield structure construction through fem, holds that this method shall be applied for other engineering projects to ensure the safety of the railway

    摘要以上海軌道交通9號線r413項目盾構隧道下穿滬杭鐵路線施工方案為背景,運用有限元數值模擬,就注漿和不注漿加固兩種方案,分析了盾構法施工對地表變形造成的影響,提出合理的施工方案。
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