The first mode frequency of vertical BVP of the mini-bus is lower than the rotation frequency corresponding to the maximum specified revolution speed. The bending resonance of powerplant in this mode is the main reason of the clutch housing cracking. At the same time, the adaptability of the FE analysis model is verified.
结合实验模态分析方法，确定了该轻型客车动力总成垂直方向第一阶弯曲振动模态的固有频率低于该车发动机额定最高转速相当的转动频率，该模态下的动力总成弯曲共振是造成该车离合器壳早期开裂的主要原因，同时证明了该有限元分析模型的适用性。
These resultsindicate that the ORF2 gene and BVP22 gene that we have cloned could expressefficiency in the eukarya cells.
用BamHⅠ和BglⅡ将BVP22基因从T载体上切下，连入pEGFP-NI载体的BamHⅠ位点，得到BVP22基因的真核表达质粒pNBVP22。
In the present paper, on the basis of functional analytic methods, we first analyse the boundary value problems (BVP) of linear singular systems (LSS), several properties of LSS given.
本文研究一类广泛的高阶非线性波动方程组初边值问题的有限差分格式，用离散泛函分析方法和先验估计的技巧得到了有限差分格式的收敛性。
On a class of very ill-conditioned bvp & the singular perturbation problems with turning point
关于一类严重病态的边值问题&具有转向点的奇异摄动问题
Some methods for solving initial value problem used to solve the boundary value problem (BVP) of ordinary differential equation were discussed and contrasted. These methods include the finite difference method, shooting method, fixed-point method and numerical continuation method.
主要讨论了用初值问题方法的思想求解常微分方程边值问题的几种数值方法，包括差分法、打靶法、不动点方法和数值延拓方法，并对这些方法进行了对比分析。
The paper describes the principle and method of the BVP (beyond visual range) location on the warship by the single and the multi shipboard towed linear array sonar, and sets forth some combat action principals of the BVR location by towed linear array sonar.
讨论了利用拖曳线列阵声呐对水面舰艇进行单舰和多舰超视距定位的原理及方法，并提出了利用拖曳线列阵声呐超视距进行定位的作战使用原则。
A Conditionally Stable BVP of the Singular Perturbation Equation System with some Small Parameters
一类条件稳定的多小参数奇摄动方程组边值问题
Singular perturbation of BVP for quasilinear third order system
一类三阶拟线性方程组的奇摄动边值问题
Solvability of a Fourth-Order Two-Point BVP under the Nonsymmetric Boundary Condition
非对称边界条件下一个四阶两点边值问题的可解性
By application of the numerical method, the unknown boundary should be transformed to the solid boundary value firstly, then numerical solutions of contact arc, radial displacement and torque is obtained through the general BVP method under the stable state.
在采用数值方法进行求解时，需先将未知边界问题转化成固定边界值问题，然后通过一般BVP方法求解，得出稳态下包角、径向位移和转矩等参数的数值解。
For the demand of practical problems, the far research on questions of existence of positive solutions for BVP of differential equation on measure chains has certain value.
由于实际的需要，进一步研究测度链上奇异非线性微分方程边值问题就具有其内在价值。
In sphere approximate, GPS/Gravity-BVP is Neumann problem over exterior spherical domains. Then the natural boundary reduction, suggested by Feng and Yu, is applied to deal with the three dimensional problems.
在球近似下将GPS-边值问题转化为Neumann外问题，用自然边界元法进行自然边界归化，得到自然边界积分方程，再求自然边界积分方程的数值解。
The discretization of the periodic solutions is adapted by the Finite Difference Method (FDM). We convert the boundary value problem (BVP) of ordinary differential equations to a system of nonlinear algebraic equations with parameters.
通过有限差分第日页西南交通大学博士研究生学位论文法将车辆系统的周期解离散化，即将一个常微分方程的边值问题转化为非线性代数方程组，它是含有参数的。
ST of Palm and BVP of fingers can be the sensitive parameters reflecting emotional arousal level of sailors.
手掌心温度和手指端血容可以作为帆船帆板运动员情绪唤醒水平的敏感性监测指标；
In this paper, the boundary problem (BVP) of 3-D transient eddy current field in the end region in the case that the generator is affected by impact load is specified.
冲击负荷下发电机的端部电磁场是瞬态涡流场，不具有时谐场的特性。
An experimental study of effect of BVP on hypercholesterolemic rats
脑脉通胶囊对实验性大鼠高胆固醇血症的作用研究
Conclusion: PP and BPV may be the predict factors of LVMI in hypertension patients.
结论：原发性高血压与肾性高血压的心肌肥厚均与PP、BVP相关，提示PP、BPV可能是心肌肥厚的预测因子；
The Multiple Positive Solutions of Some Operator Equations and Its Application to Singular BVP
一类算子方程的多重正解及对奇异边值问题的应用
Existence of solutions of singularly perturbed BVP for some vector system
一类向量奇摄动边值问题解的存在性
On the Comparison Principle for Nonlinear Degenerate Elliptic Equations and the BVP for Systems
非线性退缩椭圆型方程的比较原理及方程组的边值问题