对塔身的稳定，用折减系数法及迭代法导出了临界力表达式。
Critical force expressions for tower stability are derived using reduced coefficient method and iteration.
本文对格构式变截面吊臂金属结构的临界力计算作了理论分析。
This paper theoretically analyzes the critical force in metal hoisting boom structure of lattice type and variable section.
分析指出，当接头外径较小时，外径的变化将改变正弦屈曲临界力。
Analysis shows that, when the outside diameter of the joint is small, the variation of the outside diameter will change the sin critical buckling load.
再利用出现在挠度方程中的不定型式，我们可以找出计算临界力的公式。
Further, by making use of indetermined form appearing in the deflection equation, we can find out the formula for calculating the critical force.
弹性约束杆之临界力和变形不仅与杆截面特性相关，还取决于约束条件。
Critical force and deformation of elastic restraint rod not only depend on the rod cross section, but also on the restraint condition.
结果表明夹层复合梁大大提高了简单复合梁的临界力，但它也随激励频率而变化。
The results show that the sandwich composite beam improves the dynamic critical compression of the simple composite beam and the dynamic critical force varies with the frequency of the excitation.
利用最小势能原理推导了肋拱桥结构在外荷载作用下侧倾稳定临界力的近似解析解。
With the principle of the minimum potential energy, an analytical solution for the lateral critical bucking Lord of tied-arch Bridges is studied.
建立了玉米茎秆的力学模型，利用力学理论和方法，给出了玉米茎秆临界力的具体表达式。
A dynamic model for maize stem is established, a formula about critical force of maize stem is extracted by using dynamic theory and method.
给出了周向初应力数值特征对端部受推力竖直向上加速圆柱壳弹性屈曲形式和临界力的影响。
The inflectional form and the critical value's effect imposed by circumferential initial stress character on cylindrical thin shell beard the thrust at axis, accelerating upwards erect.
由结构刚度矩阵行列式值为零的失稳条件导出结构失稳特征方程，从而精确地确定系统临界力值。
The precise critical force of a system can be deduced from the fact that the determinant of stiffness matrix of the system is equal to zero in the critical condition.
利用能量法分析了加肋平板的稳定问题，推导了纵向临界力的计算公式，并探讨加劲肋的合理布置。
The paper analyses the stability of rib slab on method of energy, the formula of longitudinal critical force is deduced, and rational arrangement of stiffening rib is discussed.
我们将对在悬臂矩形板的一对相对的自由边作用有不同的对称边界荷载时，求出薄板的最小临界力。
We are going to find out the minimum critical loading for cantilever rectangular plates subjected to various edge loadings symmetrically on a pair of opposite free edges.
分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。
The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.
以能量原理为基础，推导出变截面压杆计算临界力的简便方法，把复杂的积分运算归结为一个简单的代数运算。
Based on energy theory, a simple critical force calculation for pressed beam with variable cross sections is derived. It reduces the complex integration algorithm into a simple algebraic operation.
综合考虑钻柱惯性离心力和自重的影响，我们发现，在工作状态下，钻柱的临界压力会明显地小于静态时的临界力，这对实际的钻探工程来说具有十分重要的指导意义。
Considering the inertial eccentric force and the weight of the drill string, we find that the axis critical force will be obviously less than that under the static state, which wil...
他们得出这样一个关键的临界点：一般而言，增长减缓会在按购买力折算的人均GDP达到$16740左右的时候出现，随后平均年增长率从5.6%跌至2.1%。
What emerges is an estimate of a critical threshold: on average, growth slowdowns occur when per-head GDP reaches around $16,740 at PPP. The average growth rate then drops from 5.6% a year to 2.1%.
对于高粘性泥沙，临界推移力就成为不重要的。
For highly cohesive sediment, the critical tractive force becomes less significant.
计及作用于接触斑点上的切向力，通过比较作用于接触斑点上的法向弹性载荷与法向塑性载荷，确定了区分弹性接触与塑性接触区域的临界接触斑点面积。
Considering the tangential force applied on a contact spot, the critical area demarcating the elastic and plastic regimes is obtained by comparing the normal elastic load with the normal plastic load.
用CO2超临界萃取技术，对红松松仁油提取条件进行了初步探讨，找出了最佳提取温度、力指标。
Use the technique of supercritical CO2 extraction inquiring into the extrct condition of the kernels oil tentatively, and findthe best temperature and pressure index for extraction.
假设当两个接触面处于相对滑动的临界状态时，切向力与垂向力成正比。
Provided two contact bodies are in the critical state of relative sliding, the tangential force is proportional to the vertical force.
重点研究了加工单晶材料时晶向对临界切深、微切削力和表面粗糙度的影响；
The crystallographic effects on critical depth, micro cutting forces and surface waviness when machining single crystals are emphatically investigated.
根据机器人在壁面上实现吸附、移动作业的工作原理，得到了吸盘吸附力的临界条件。
The critical conditions of the suction force are derived according to the operating principle of the cleaning robot that can adhere, move and clean on wall surfaces.
通过理论推导，得出基于剪切力和水流功率的均匀沙起动临界条件表达式。
Based on both shear force and stream power and through theoretical derivation, the incipient motion critical conditions of cohesionless uniform sediment are achieved.
他们已经失去了判断在社会影响力和个人主动影响力之间的”临界点“。
They've lost sight of the point at which the influence of social forces ends and the influence of the self-initiating individual begins.
结构受冲击作用下的强度、刚度、稳定性、临界能量荷载和临界冲击力的研究属结构耐撞性研究范畴，由于结构在冲击作用下的响应是一个复杂的非线性力学问题，目前该研究领域还比较弱。
The research of intensity, rigidity, the stability, critical energy and critical impact force belongs to the fields of structure impact resistance, which the structure is struck in the impact load.
该文利用流体力学的原理，建立流体膜临界连续状态的液膜压力公式，在此基础上，探讨了弹簧力的设计方法。
This paper presents a formula of the pressure of liguid film in the critical state of the unbroken liguid on the principle of hydromechanics, and discusses a design method of spring force.
临界钉扎力在渡越区陡然增加。
The critical pinning force has a sudden increase in the crossover.
利用临界流速公式系统地分析和讨论扭转刚度、重力系数和轴向预紧力对管道临界流速的影响特性。
The effect of some parameters of the system on the values of critical flow velocity is discussed according to the analytical expressions derived.
实验结果表明切削速度对切削力的作用存在一个临界值。
The results show that there is a critical cutting speed to decided the cutting forces information.
根据气动力与薄膜自重和惯性力之间的动力平衡关系获得了薄膜一阶失稳时的临界风速。
The wind velocity of first order instability is obtained from the dynamic equilibrium relationship between aerodynamic force with dead weight and inertia force of membrane.
应用推荐