With making the rate equations linearized, starting condition of self mode locked laser is derived.
利用被动锁模激光器的锁模原理 ,结合自锁模固体激光器中等效快可饱和吸收体的物理特性 ,建立了自锁模动力学方程和控制自锁(模)激光器运转特性的速率方程组。
This paper shows theoretically for the first time that the starting and maintaining of the self-mode-locking of a Kerr medium self-mode-locked laser (KMSMLL) can be made more easily by rationally controlling the parameters of the detuned cavity.
提出工作于谐振腔适度失谐时的克尔介质自锁(模)激光器易于开启和维持自锁模的理论。
A kind of hand pressure amplifying device based on two-step orthogonal force amplifying mechanism of linkage with self-locking function on passing the critical position and pinion and rack mechanism is introduced.
介绍了一种过临界点自锁的二次正交连杆增力机构和齿轮齿条机构组成的加压装置。
The self-lock condition of friction is used extensively in engineering.
摩擦中的自锁现象在工程中被广泛利用。
Therefore, it can realize double functions of transmission and self-locking.
提出了一种行星轮系,它的浮动行星轮随主动件的选择不同而具有不同的作用,从而,该种轮系可以实现传动与自锁的双重功能。
The special structure of the new type of bottom unloading bucket is illustrated, and the principle and the properties of the self locking structure as well as the ways of deciding on and calculating the self locking protection angles are discussed.
阐述了新型底卸式吊桶结构的特点,自锁机构的原理及特性,自锁保护角的选取和计算方法,开启装置的设计。
Transmission properties of temporal inactive joints (TIJ) in multi linkage mechanisms were studied by analysing the self locking performance of 4 bar and 6 bar linkages using TIJ concept.
为推导多杆机构的瞬停节传递特性 ,利用瞬停节的概念分析了 4杆机构和 6杆机构的自锁性能。
Efficiency of the Planet Wheel System and Analysis of Self-locking;
行星轮系效率及自锁分析
Biomechanics Experiment and Clinical Research of Humerus Self-locking Intramedullary Nail;
肱骨自锁髓内钉的生物力学测试及临床应用研究
The methods used in overcoming locking problems in constructing the element models are emphatically described.
阐述了一种考虑壳体厚度方向应力及应变的新型壳单元———固壳单元的概念及相关理论基础,着重介绍了构造此单元模型及克服诸多自锁问题所采用的方法,最后给出了数值例子及其应用展望。
At the beginning of the paper,a brief review is conducted on the main finite element methods of plate bending theory and then several basic problems concerning formation of a tip-quality plate element are discussed,such as shear locking,patch test and zero energy deformation mode etc.
木文首先简单回顾了板弯曲有限元分析中的主要方法,接着对构造一具有优良品质的Reisser-Mindlin板弯曲单元所涉及到的有限元方法中的几个基本问题:“自锁”现象,补片试验,零能变形模式等进行了介绍与讨论,最后建议了推导理想的板弯曲单元的正确的途径。
Basing on the hybrid/mixed finite element method the "locking" phenomenon in shell elements is discussed and the necessary conditions for access to locking free elements is proposed.
本文以杂交/混合有限元为基础,讨论了壳单元的“自锁”现象,论证了避免“自锁”的条件;指出与弯曲应力参数相耦合的膜应力参数和横剪应力参数对“自锁”现象不起任何作用。
A new clip mechanism, which is constituted by two steel ropes and two pulleys, was proposed for solution of the selfhold in a working process for waxing Chinese traditional medicine pills.
文中提出了一种应用两根钢丝绳和一对滑轮组合的新夹丸机构 ,解决了在中药蜜丸沾蜡机工作过程中 ,夹丸机构会出现的自锁问题。
A simplified mechanical model was used to analyze the selfhold condition using Euler s expression, but experiments showed that there were considerable errors.
链环式超越离合器是一种原创性的、高性能的摩擦式超越离合器,其自锁条件的数学模型一直以带传动的Euler公式作为条件判据,与实际的情况有很大的偏差。