過載刻度 的英文怎麼說
中文拼音 [guòzǎikèdù]
過載刻度
英文
g scale-
Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass
光纖陀螺是一種先進的感測載體自轉角速度的測量儀，它利用固態的全光纖結構實現光學sagnac效應的量測，克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量，導致動態性能及壽命的降低，或因諧振要求過于苛刻，使工藝復雜性及成本過高等一系列缺點，從而成為當今最具有競爭性的新型陀螺。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation
光纖陀螺是一種先進的測量載體絕對角速度的儀表，它利用固態的全光纖結構和sagnac效應來實現測量，克服了機電陀螺在構造上需要一定的高速度旋轉質量，導致動態性能及壽命的降低，或者環形激光陀螺因諧振要求過于苛刻，使工藝復雜性及成本過高等一系列缺點，從而成為當今最具有競爭性的新型陀螺。The conclusions have been deduced from the detailed analysis of a set of experimental results as below : 1 ) the formula of tangent young ' s modulus et has been established during the unloading process ; 2 ) the shearing features of the samples are similar to undrained test even though there are draining paths so the possion ratio of the sample is about 0. 5 ; 3 ) unloading paths have little effects on the shearing strength parameters
通過對試驗結果的分析得到： 1 ）任一時刻土體的切線彈性模量公式； 2 ）卸載情況下盡管存在排水通道，但試樣仍基本上表現為不排水的性狀，按廣義虎克定律得到的泊松比在0 . 5附近； 3 ）卸荷應力路徑對土體的強度參數影響不大。By measuring pressure induced by dynamiting which located various positions of the circular shell, the localizational effect of impact force on the circular shell is disclosed. also, pvdf piezofilms are used to determine accurate time while projectile contacting target, accurate time while two interfaces of the target contacting at a initial distance of 5, and the contacting pressure between the two interfaces when the projectile is in 500m / s to looom / s. experimental results, which are consonant with computer simulation, supply support to engineering
通過對化爆模擬加載試驗中柱殼不同角度壓力的監測，揭示了化爆模擬產生的壓力局域化效應，為進一步模擬設計提出研究的方向；採用pvdf壓電薄膜來監測彈靶碰撞的時刻、細小間隙的閉合時間以及由此產生的壓力變化，通過對pvdf壓力計測試結果分析以及和數值模擬結果的比較，獲得規律性的認識，為進一步的應用提供了技術支持。A laminated safety pane, unbreakable partition between the measuring system and dial and a blow - off back cover help to prevent accidents caused by escaping media or projected parts and thus injuries to employees if a pressure overload of the gauge occurs
測量系統和刻度盤之間有夾層安全玻璃不易破損的隔斷和吹氣后蓋。這樣，當壓力表壓力過載時，能夠防止介質泄漏或設計部件故障引起的事故，避免對員工造成傷害。This paper sums the situations and trends of domestic and international engineering machinery firstly, discusses the demands and implements of intelligent and long - range monitoring and controlling, and constructs a three - layer model of the engineering machinery long - range monitorin and control system : the front unit control systems, the machine - mounted monitoring system and the long - range control center ; proposes a kind of structure of embedded system based on c / os - ; dissects the characteristics, structure, operation and schedule principle of c / os -, modified the kernel, and improves dependability of the schedule algorithm ; designs the hardware in detail : the microprocessor at91rm9200, the store unit, the serial interface, the human - computer interaction interface, the can bus control module, the debug interface and the reset circuit etc. ; on this basis, succeeds in transplanting c / os - to the system, sets up the operating system framework, designs the driver, sets up the institutional framework of upper user ' s application, provides the method and concrete application process of the graphical user interface module based on c / os -. the system designed in this paper, not only has the functions of local control, friendly human - computer interface, but also has various interfaces which make the system can be managed by the long - rang center
本文首先綜述了國內外工程機械行業發展的現狀和趨勢，闡明了實施工程機械智能化及遠程監控的意義和需求，並為此構建了工程機械遠程監控系統三層結構模型:前端單元控制系統、車載監控系統和遠程監控中心;提出了一種基於c / os -的嵌入式車載監控系統構建方案;深刻剖析了c / os -的特點、內核結構、運作機理、調度演算法，在此基礎上對其內核進行移植前的必要修改，並對其調度演算法進行了可靠性改進;對構成嵌入式系統硬體的各個主要部分:嵌入式微處理器at91rm9200 、存儲單元、串列介面、人機交互介面、 can總線控制模塊、調試介面以及復位電路等做了詳細的設計;在此基礎上，成功地將c / os -實時內核移植到本文研發的嵌入式硬體系統中，建立了車載監控系統的操作系統體系結構，編寫了該操作系統的底層硬體驅動程序，建立了上層用戶應用程序的組織結構，並給出了圖形用戶界面模塊化應用程序在c / os -操作系統上的建立方法和具體應用過程。分享友人