fatigue threshold 中文意思是什麼
fatigue threshold
解釋
疲勞閾值-
A new prestressed bowshaped structure strain multiplier was designed to solve problem which strain amplitude is much lower than the threshold of fatigue life gage, and this strain multiplier take the advantages of entire structure, lower stiffness, good reliability and convenience to use
設計出一種弓形預應力結構應變倍增器，解決了橋梁應變幅值遠遠低於疲勞壽命計門檻值這一關鍵問題，此倍增器具有整體性強、剛度低、可靠性好、使用方便等優點。 -
Method for determination of threshold stress intensity factors and fatigue crack growth rates in metallic materials
金屬材料的閾限應力強度因子和疲勞裂紋增長率的測定方法 -
The results of quantitative analysis showed that the pre - tension deformation reduced the fatigue crack propagation threshold and increased the crack propagation coefficient, and consequently decreased the fatigue resistance of the part with mechanical damage
定量分析表明：預拉伸變形降低了疲勞裂紋擴展門檻值，提高了裂紋擴展系數，從而使管線在機械損傷的部位疲勞抗力降低。 -
The investigation on test method for threshold of mode fatigue delamination in composite laminates
型層間裂紋擴展門檻值試驗方法研究 -
The fining grains of al - l % si could accelerate the fatigue crack propagation from the near threshold zone to paris zone
隨著疲勞裂紋擴展速率從近門檻值區向paris區過渡，細小的a （ a1 ）晶粒會加速疲勞裂紋的擴展。 -
The remarkable differences of the fatigue crack propagating rates and the fatigue threshold among the above three alurninum alloys were studied and compared, which were caused by the microstructure based on alloys " chemical components
對比研究了上述三種合金的化學成分對微觀組織結構，及其所引起的材料疲鄭州大學碩士論文電解含欽鋁合金的疲勞性能研究勞裂紋擴展性能和疲勞門檻值的顯著差異。 -
The results showed that the concentration, size and shape of si particles in altilola, ast101a and zl101 had some effects on the fatigue threshold, and the irregular shaped brittle phase of fe intermetallics caused the fatigue threshold decreased
結果表明， ast101a 、 aiti101a和zl101中51粒子的濃度、大小和形貌對材料疲勞門檻值的高低有一定的作用，脆性的富fe相是疲勞門檻值降低的另一個重要原因。 -
An example for detecting the eyelid closure over the pupil over time is given. the combinations of mathematical model and symmetry analysis increases the robustness of the performance while the target is deformed the scheme is suitable for human face location in intelligent human - machine interface and provides a groundwork to practical application efface recognition techniques. the laboratory experiments are conducted to verify the feasibility of the detecting and evaluating techniques of motor driver fatigue mentioned above and to determine the threshold of motor driver fatigue
在駕駛過程中，連續測試駕駛員的perclos值和眼睛持續閉合時間，一日駕駛員的眼睛perclos值人於40 、眼睛持續閉合時間大於3s ，系統就判定該駕駛員的疲勞程度己超過駕駛疲勞程度的閾值，並且立即發出「哺哺哺」的警告聲，如果駕駛員5秒內還繼續駕駛車輛，系統會自動切斷山路和油路，使車輛自動停車，以避免發生交通事故。 -
Test results showed that the fatigue crack propagation rare increased with increasing the pre - tension deformation degree, especially at the near threshold section
結果表明：隨著預拉伸變形量的增加，疲勞裂紋擴展速率提高，尤其是在裂紋擴展的近門檻區。
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