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- They are disc instability model, starburst model and microlensing model. 它們是吸積盤(pán)模型、超新星爆發(fā)模型和引力微透鏡模型。
- Triaxial accelerometry is helpful in the evaluation of dynamic instability of the dysplastic hip. 三軸加速度測量術(shù)對于評估發(fā)育異常髖的動(dòng)態(tài)不穩定性是有幫助的。
- Mechanical stress on the dysplastic hip has been widely described, but dynamic instability requires further evaluation. 在發(fā)育異常的髖上機械應力已被大量描述，但是動(dòng)態(tài)不穩定性要求更進(jìn)一步的評估。
- The purpose of this study was to investigate dynamic instability of the dysplastic hip with use of triaxial accelerometry. 這次研究的目的是為了調查應用三軸的加速度測量術(shù)評估發(fā)育異常髖的動(dòng)態(tài)不穩定性。
- The stability of cracky roof system is analyzed by catastrophic theory and its instability model belongs to cusp catastrophic model of catastrophic theory. 對裂紋頂板系統的穩定性運用突變理論分析,其失穩模式可歸結為突變理論中的尖點(diǎn)突變模型,并由該模型的分叉集方程導得頂板大面積冒落的臨界條件。
- K.J.Spyrou. Dynamic instability in quatering seas:The behavior of a ship during broaching. Journal of Ship Research,1996. 陶醉;張緯康.;船舶橫甩及隨浪操縱對策研究綜述
- After that, we give the regions of the dynamic instability on the parameters of stationaray current, magnitude of pulse current, and duration of the pulse. 在此基礎上，給出了關(guān)于穩態(tài)工作電流、脈沖電流強度和脈沖持續時(shí)間等參數的磁彈性動(dòng)力穩定性參數范圍。
- Considering the judgment of dynamic instability of truss structures, a stress rate method for dynamic instability analysis of truss structures was proposed. 摘要針對結構動(dòng)力失穩的判定問(wèn)題，提出了一種適用于桿系結構動(dòng)力穩定分析的應力變化率法。
- Low and intermediate frequency instability models are taken up first. 首先處理低頻和中頻不穩定性的模型。
- Also,spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket. 旋轉速率與結構阻尼及其他結構參數對氣動(dòng)彈性動(dòng)態(tài)穩定性影響也比較顯著(zhù)。
- This paper seeks to explain physically how the Magnus and damping moments cause the dynamic instability of the projectiles, in accordance with the force system applied on the projectile, and its state of motion. 本文根據彈丸受力和運動(dòng)情況,從物理意義上解釋了馬格努斯力矩和赤道阻尼力矩引起彈丸動(dòng)不穩定性問(wèn)題。
- In coal mining machine,we measure the dynamic inst ability of pilot operated re-lief-valve through changing damping and srudy how the damping affects dynamic instability of relief-valve. 在采煤機中,通過(guò)改變阻尼參數,測定先導式溢流閥的動(dòng)態(tài)不穩定性能,研究阻尼對溢流閥不穩定性能的影響。
- According to logarithm frequency stability criterion, the reason why Magnus effect results in dynamic instability of rolling missile was proposed based on open loop properties of the system. 由此系統的開(kāi)環(huán)特性出發(fā)，基于對數頻率穩定性判據給出了馬格努斯效應導致滾轉導彈動(dòng)態(tài)失穩的原因。
- The mechanism of dynamic instability of rolling missile was analyzed by describing the dynamics of rolling missile as a closed loop with dynamic negative feedback. 將滾轉導彈動(dòng)力學(xué)系統描述為一個(gè)具有動(dòng)態(tài)負反饋的閉環(huán)系統,分析了滾轉導彈動(dòng)態(tài)失穩的機理。
- dynamic instability of atmosphere 大氣動(dòng)力不穩定性
- A strong sandstorm is produced.A sensitive experiment is also performed to prove that dynamical instability of low level atmosphere would strengthen the entrainment of the sand particles in surface. 最后本文通過(guò)動(dòng)力穩定性對起沙影響的敏感性試驗證明了低層大氣的動(dòng)力不穩定能增強起沙。
- Dynamic Instability of Chips and Dynamic Mechanism of Chip Breaking 切屑的動(dòng)態(tài)不穩定性與動(dòng)力學(xué)斷屑機理
- The Measurement and Analysis of Damping in Relief-Valve Dynamic Instability 溢流閥動(dòng)態(tài)不穩定性能中的阻尼測試及分析
- Determining for Dynamic Instability Domain of Spatial Frame Structures 框架結構的動(dòng)力不穩定區域確定方法探索
- Nonlinear dynamic instability behavior of delaminated composite laminates 含分層損傷復合材料層合板非線(xiàn)性動(dòng)力穩定性
