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one-leg
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  单支
     We prove that θ-methods with the Lagrange interpolation process is GP-stable if and only if 1/2≤θ≤1.The one-leg θ-methods is GP-stable if and only if θ=1.
     证明了基于Lagrange插值的θ方法是GP 稳定的当且仅当1/2≤θ≤1.单支θ方法是GP 稳定的当且仅当θ=1.
短句来源
     In chapter 2, we prove that G(c,p,q)-algebraically stable one-leg methods with linear interpolation are GR(p/2,q/2)-stable and weak GAR(p/2,q/2)-stable for c<1 and GAR(p/2,q/2)-stable for c
     在第二章,我们证明了带有线性插值的G(c,p,g)-代数稳定的单支方法当c≤1时是GR(p/2,q/2)-稳定及弱GAR(p/2,q/2)-稳定的,当c<1时是GAR(p/2,q/2)-稳定的。
短句来源
     It is proved that one-leg θ-methods are stable for 1/2≤θ≤1 and asymptotically stable for 1/2<θ≤1 when the methods are applied to the class R_(α,β) of nonlinear neutral delay differential equations.
     对求解Rα,β类非线性中立型延迟微分方程的单支θ-方法,证明了如下结论:当1/2≤θ≤1时,单支θ-方法是稳定的; 当1/2<θ≤1时,单支θ-方法是渐近稳定的.
短句来源
     This paper is concerned with the numerical stability of one-leg θ-methods for nonlinear Volterra integral equations with delay. It is shown that one-leg θ-methods are globally stable for 1/2 ≤ θ ≤ 1 and asymptotically stable for 1/2 ≤ θ≤ 1.
     本文研究Volterra延迟积分方程单支θ-方法的数值稳定性,结果表明:当1/2≤θ≤1 时,单支θ-方法是全局稳定的,当1/2<θ≤1时,单支θ-方法是渐近稳定的.
短句来源
     STABILITY OF ONE-LEG θ-METHODS FOR NONLINEAR VOLTERRA INTEGRAL EQUATIONS WITH DELAY
     Volterra延迟积分方程单支θ-方法的数值稳定性
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  单腿
     We focus on the behaviour of the one-leg method and the linear method in the solution of the linear test equation U'(t)=λ(t)U(t)+μ(t)U(t-τ)with τ>0 and λ,μ functions from R to C.
     重点解决了单腿θ—方法和线性θ—方法用于求解线性检验方程U(t)=λ(t)U(t)+μ(t)U(t-τ),其中τ>0,λ、μ是从实数域到复数域上的函数,证明了当0<θ<1时两种方法都是不稳定的;
短句来源
     This paper deals with the stability analysis of θ─methods for the solution of double de- lay differential equations u'(t)= au(t) + bu(t - τ)+ cu(t - kτ), and proves that one-leg θ─method and linear θ─method are stable respectively when θ= 1 and 1/2 ≤ 0 ≤ 1 .*
     考虑双延迟微分方程的数值稳定性,考察试验方程的线性θ─方法和单腿θ─方法,这里a,b,c是复常数,τ>0,k是大于1的整数。 证明了当θ=1时,单腿θ─方法是稳定的;
短句来源
     The linear θ- method and one - leg θ- method are applied to the delay differential equation with piece-wise continuous arguments with one delay[t]. The asymptotic stability of numerical solutions is studied.
     运用线性θ-方法和单腿θ-方法处理了带有一个延迟项(t)的分段连续型延迟微分方程数值解的渐近稳定性问题.
短句来源
  “one-leg”译为未确定词的双语例句
     Euler method, single step method and one-leg multistep method are considered as maily numerical computation schemes.
     本文分别采用显式Euler法,单步θ-方法和one-leg方法作为数值计算格式。
短句来源
     STABILITY CRITERIA FOR ONE-LEG METHODS AND LINEAR MULTISTEP METHODS
     单支方法及线性多步法的稳定性准则
短句来源
     Asymptotic Stability of One-leg Methods of Nonlinear Multi-de lays Differential Equations
     非线性MDDEs的单支方法的渐近稳定性
短句来源
     Stability of One-leg Methods of Nonlinear Multi-delays Differential Equations
     非线性MDDEs的单支方法的稳定性
短句来源
     THE STABILITY OF ONE-LEG SCHEMES FOR DIFFUSION AND DISPERSION EQUATIONS
     扩散和色散方程单支格式的稳定性
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  one-leg
One-leg methods and linear multistep methods are two class of important numerical methods applied to stiff initial value problems of ordinary differential equations.
      
Convergence Results of One-Leg and Linear Multistep Methods for Multiply Stiff Singular Perturbation Problems
      
The results obtained in this paper can be extended for one-leg VSVFM's and for VSVFM's based on predictorcorrector schemes of different types.
      
Thus, we adapt our local-global step size selection strategy to one-leg methods.
      
We show that the error control is more complicated in one-leg methods, especially when applied to stiff problems.
      
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Multilead electromyographic studies were made on 15 healthy young adult males to investigate the action of the postural muscles of the lower extremity,especially the gastro- cnemius.The results were as follows: 1.In standing position,either both legs or one leg supported the body weight,the gastrocnemius of the weight bearing leg or legs as well as hamstring muscles showed some potentials.When changing the body position from standing to squatting or the re- verse,the gastrocnemius showed similar activity.It...

Multilead electromyographic studies were made on 15 healthy young adult males to investigate the action of the postural muscles of the lower extremity,especially the gastro- cnemius.The results were as follows: 1.In standing position,either both legs or one leg supported the body weight,the gastrocnemius of the weight bearing leg or legs as well as hamstring muscles showed some potentials.When changing the body position from standing to squatting or the re- verse,the gastrocnemius showed similar activity.It indicates that the gastrocnemius acts together with the hamstring muscles to counteract the action of the quadriceps in main- taining the extended position of the knee joint. 2.When one leg stands on the ground and the other hangs freely,then flex and extend the free leg slowly,no activity was recorded in the gastrocnemius.Similarly no activity was recorded in the gastrocnemius when flexing the knee joint in sitting position. It is,therefore,assumed that the gastrocnemius is not necessarily a flexor of the knee joint as usually considered,but an important extensor under certain conditions. 3.When rotate the leg medially or laterally on siting position,the both heads of the gastrocnemius showed activities.The rotation of the leg towards either direction is not the action of a single head although the medial head is always more active than the lateral one. 4.The activities were also shown in the gastrocnemius when standing on the toes or stepping forward of the weight-bearing leg in walking.It confirms the common view that the gastrocnemius is a flexor of the ankle joint. The activities of the quadriceps,hamstring muscles and soleus were also recorded and discussed.

本文以Ediswan脑电墨水描记仪,肌内电极,观察了15例健康青年男子在不同姿势和运动时的下肢姿势肌——股四头肌、股二头肌、半腱肌、腓肠肌及比目鱼肌的电位活动。分析的初步结果是:一、腓肠肌对膝关节的作用1.在下肢支撑体重时:如立正站立时的电位表明腓肠肌拉大腿下端向后,协同股二头肌及半腱肌对抗股四头肌以强固膝关节。在下蹲时膝关节屈曲和起立时膝关节伸展的运动中,腓肠肌都出现了电位活动。在站立位身体前倾时,腓肠肌与比目鱼肌亦都出现了明显的电位活动。腓肠肌内侧头和外侧头在小腿内旋和外旋时皆有电位活动。2.在站立时一个下肢支撑体重:另一个下肢和地面垂直,慢屈及伸小腿时以及在坐位,大腿和地面平行慢伸和屈小腿时,腓肠肌都未出现电位活动。二、腓肠肌对踝关节的作用腓肠肌协同比目鱼肌蹠屈足,当走步支撑腿后蹬及站立位时它可提足跟向上。在直立姿势中,腓肠肌和比目鱼肌都参加强固踝关节,并调节小腿在足骨上的位置关系。三、我们对于股四头肌、股二头肌及半腱肌在膝关节所起的作用上亦做了电位观察。

In this paper we investigate the behavior of the B-S wave function as the squared momentum on one leg becomes infinte while the squared momentum on the other leg remians fixed by using the property of asymptotic freedom in QCD. Using the obtained wave function we compute the cross section of the process e~++e~- → π+q+(?)(where the pion has large transverse momentum perpendicular to the axis of a stratonic jet). We find that the contribution of this process to the cross section of e~++e~-→hadrons is much smaller...

In this paper we investigate the behavior of the B-S wave function as the squared momentum on one leg becomes infinte while the squared momentum on the other leg remians fixed by using the property of asymptotic freedom in QCD. Using the obtained wave function we compute the cross section of the process e~++e~- → π+q+(?)(where the pion has large transverse momentum perpendicular to the axis of a stratonic jet). We find that the contribution of this process to the cross section of e~++e~-→hadrons is much smaller than the process e~++e~-→g+q+(?).

本文利用QCD的渐近自由性质,求出一条腿动量平方固定另一条腿动量平方趋于无穷大时的波函数,并把它应用于计算e~++e~-→π+q+(?)过程(其中π介子相对于层子喷注轴有大的横动量)。计算结果表明,这个过程对e~++e~-→强子截面的贡献比e~++e~-→g+q+(?)过程的贡献小得多。

Single angle members are commonly used in trusses, joists, and other types of structures. According to the loading condition, single angle members in compression can be classified as two following categories. One is concentrically loaded angles and the other is eccentrically loaded angles with connection in one leg only.In this paper a finite element method which takes into account the effects of residual stresses, initial crookedness and end restraints provided by gusset plates is used to obtain ultimate strength...

Single angle members are commonly used in trusses, joists, and other types of structures. According to the loading condition, single angle members in compression can be classified as two following categories. One is concentrically loaded angles and the other is eccentrically loaded angles with connection in one leg only.In this paper a finite element method which takes into account the effects of residual stresses, initial crookedness and end restraints provided by gusset plates is used to obtain ultimate strength solutions for compression members of both categories.The strength of simply supported and warping restrained angles with equal or unequal legs and subjected to concentrical load is first presented in the form of column curves. The results show that the strength of unequal leg angles (on a non-dimensional basis) is lower than that of equal leg angles.Numerical calculations also have been carried out for equal and unequal leg angles and the results are compared with test results.Finally, by the use of the concept of effective length as adopted in the codes of some other countries'a family of column curves for eccentrically loaded equal or unequal leg angles with connection in one leg only is given. For convenience of designer, the effective length factor is taken as the parameter for these curves.

本文扼要介绍了如何用有限单元法分析轴心受压单角钢和单面连接单角钢压杆的极限承载能力.经与试验结果相比,证明理论计算有较好的精确性。应用这个方法,得出了轴心受压等肢和不等肢角钢的δ—λ曲线和单面连接等肢和不等肢角钢压杆的δ—λ曲线,可供设计使用.本文还对钢结构设计规范的计算方法进行了评述.

 
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