principal angle 中文意思是什麼

principal angle 解釋
主角
  • principal : adj 1 主要的,首要的,最重要的;第一的。2 領頭的;負責人的,首長的。3 資本的,本金的,作為本錢的...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. Obtain these chief research achievements. ( 1 ) the method of hydraulic fracturing, kaiser effect experiment and the finite element numerical simulation computation results, the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line, it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method, at the present time, zhe gu mount tunnel have n ' t access to high crustal stress site, maximum principal stress magnitude is 17mpa ~ 20mpa

    主要獲得以下研究成果: ( 1 )綜合水壓致裂法、室內巖石kaiser效應試驗和有限元數值模擬計算研究成果,最大水平主應力方向與隧道洞軸線小角度相交,對隧道圍巖穩定性有利;根據現場應力解除法測試結果,目前鷓鴣山隧道尚未進入高地應力段,最大主應力量級為17mpa 20mpa 。
  2. The main principles on city gardening of sand areas are as follows : the biggest angle between high streets and principal windy direction should be kept, gardens and park should be set up windward, open parks and facilities for water saving should be built on the main streets

    沙區城市園林綠化應遵循的主要原則是,主要街道與主害風向要有最大的夾角,林園、植物園、公園設置在上風向,主要街道上設置開放式街道公園和節水設計。
  3. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出,隨著側壓力系數的增大,主應力量值減小,主應力方位難改變;隨著與斷層走向的夾角增大,主應力量值增大,應力方向難改變:隨著巖石的彈性模量的增大,主應力量值增大,方向變化越大;隨著泊松比的增大,主應力量值減小,方位變化越大。隨著側壓力系數的增大,頂、底拱處的各應力值增大,拱腰處的主應力減小,剪應力增大,側拱處的各主應力減小,同一側壓力系數的條件下圍巖質量越差,各應力值也越小;隨著洞室埋深的增加,圍巖壓力也增大,圍巖質量越差,其應力值也減小。
  4. Aiming at the characteristics of its management, the paper synthetically utilizes the knowledge and methods in the fields of the theory of corporation pre - warning management, system theory, the management ways of the enterprise, behavior science, sociology and statistics, and so on. from the angle of organization, the paper expounds the accidence cause, the principal, the process, the behave modes and the results led to the risk by management system, utilizing by various methods, such as field survey, examples analysis, the investigation of questionnaire, the judge of the major eleme nts, the blur judgments of the computer model, and it attempts to seek for a pre - warning method which can describe, expect, judge, evaluate and control in advance the railway risk and incidences

    針對鐵路機車運行管理的特點,本論文綜合地運用企業預警管理理論、系統論、企業管理學、行為科學、社會學、統計學等多學科、多領域的知識和方法,從組織的角度出發,通過實地調查和問卷調查、實證分析、主成分判斷,計算機模型等手段,對中高速機車車輛交通安全事故的成因、機理過程、表象及結果進行較深入的研究,探求一種對風險和危機能有效明確的描述、預測、預報、評價、控制的預警管理方法。
  5. The paper studied relations between academic inertial force graph in ellipse and experimental inertial force graph in " the 8 shape ", presented the inertial force experimental method through shifting cylinder in a testing bed on by a angle every time, the obtained graph and data represent inertial force principal parameters

    摘要討論了曲柄連桿機構的理論慣性力曲線(力橢圓)和實驗慣性力曲線(力8字)的關系,提出在擺架上逐點偏移汽缸進行慣性力實驗的方法,得到的實驗慣性力曲線完全反映了慣性力的主要參數。
  6. The principal initial hole factors influencing primary section trajectory, such as sidetracking position ( formation factors ), primary deviating angle and primary azimuth of the sidetracking position are analysed by spatial plane - tilted method

    文章運用空間斜平面法分析了對側?水平井起始段有重要影響的主要初始井眼條件,包括側?點(地層因素) 、側?點初始井斜角、側?點初始方位角等對起始段軌跡的影響。
  7. Presently, there ' s a trend of study - focus increasing, angle - of - view varying and study - field specializing, as well as of combining the partial - locality analyzing with general - law summarizing in methods and of combining principal parts with innovating parts in theories, which has deepened the study on this subject and pushed some valuable achievements forward

    目前對這一主題的研究呈現出力度加大、視角轉換、領域細分的趨勢,局部個案剖析與整體規律探索相結合、主體理論取向與多樣視角觀點相結合,推動了研究不斷深化,取得了一大批較高水準的成果。
  8. The principal axis torsion angle, produced by torque, is converted to two channel square waves with phase difference through grating sensor. then the degree of torsion angle is measured by data collection card. finally the value of torque and the other parameters of the axis can be calculated by upper pc

    將主軸受扭矩作用而產生的扭轉角,通過光柵傳感器轉換為兩路有相位差的方波信號,再通過數據採集系統檢測出扭轉角的度數,最後由上位pc機計算出扭矩的大小和主軸的各種參量。
  9. Considering above of analyses, a new angle of view was used in my study that is management sciences. the basic theories in this dissertation include leadership theory, tmt theory, power - transfer reformation theory, property theory, separation of powers theory and the principal - agency theory

    基於此,本論文擬從一個新的視角? ?管理學角度,來研究管理者能力對企業經營業績的影響,從而為提升國有企業經營業績和規范國有企業經營者選擇提供實證依據和建議。
  10. Abstract : this paper introduces the developing conditions of big dip angle belt conveyor in our country, generalizing the five kinds of main type and their principal uses of big dip angle belt conveyor

    文摘:介招國內外大傾角帶式輸送機的研製狀況,概述大傾角輸送機的5種主要類型及其用途。
  11. The flow through the throat - type energy dissipator and the right - angle energy dissipator are calculated by using the two - equation turbulence model, which is expansively used to simulate the flow field successfully. the principal content and the achievement are concluded as follow : as a kind of internal energy dissipator in which the turbulent flow is contracted and expanded abruptly, throat - type energy dissipator was regarded as one of the potential energy dissipator for its many advantages, such as stable flow pattern, simple structure, easily controllable flow parameter, and anti - cavitation property

    結合實體試驗,利用k -模型對當今尚處于起步階段的新型消能方式?洞塞消能工和直彎消能工進行了數值模擬研究,主要內容和研究成果如下: 1洞塞消能作為一種突縮突擴式的內流消能工,具有流態穩定、結構簡單、水流參數易於控制及防空化性能等優點,是一種很有發展潛力的消能方式。
  12. Using the angle between orientation of maximum principal compressive stress and strike of source - faults, the vertical seal and open features of source - faults in the end of yimin stage sedimentary period ( the main oil gas accumulation period ) are studied, showing that the source faults in the central area are poorly sealed and well opened in vertical direction and ant the main migration pathway of oil gas generating and expelling from the source rock of nantun formation

    利用最大主應力方向與源斷裂走向之間夾角大小,對貝爾凹陷布達特群源斷裂在主要成藏期伊敏組沉積末期的垂向封閉與開啟性進行了研究,得到了貝爾凹陷布達特群源斷裂在凹陷中部垂向封閉性差,開啟程度高,是南屯組源巖生成排出油氣向布達特群運移的主要輸導通道這一認識。
  13. A statistic method combining principal component analysis ( pca ) with joint angle plot was proposed to online detect and diagnose fixed or drift bias of temperature and flow rate sensors of air handling unit ( ahu )

    摘要針對空調箱的溫度、流量等傳感器進行固定偏差和漂移故障的檢測與診斷,提出了一種基於統計學的方法進行在線的故障檢測和診斷。
  14. From the angle of the agent ' s cost which comes from the principal - agent between the investor and fund manager, the article analyses the reason of the discount of closed - end fund of our country

    從投資者和基金經理之間委託代理產生的代理成本的角度,分析了我國封閉式基金折價的原因。
  15. The principal contributions of this dissertation are : 1. a high fidelity and real - time rotor wake inflow model was built up. based on peters - he finite states wake theory, a new influence coefficient matrix for high speed flight was derived, the modified wake model is better suitable for the flight state with a large wake skew angle

    本模型以peters - he有限狀態尾跡理論為基礎,修正了大尾跡傾斜角時的誘導速度影響系數矩陣,並結合了王氏渦流理論,導出了旋翼誘導速度垂向分量和旋轉分量的表達式,可計算平尾、尾槳和垂尾氣動中心處誘導速度各分量。
  16. The thesis considers constraints of limb length, ball joint angle and interference, which mainly analyzes the interference between the limbs and between electrical principal axis and the limbs

    幾何約束是影響並聯機床工作空間的主要因素,本文考慮了桿長約束、球鉸最大擺角約束及構件之間的干涉約束。
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