In this paper, we obtain the global exact controllability for a class of multidimensional semilinear hyperbolic equations with a superlinear nonlinearity.
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4. 并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
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5. 提出了一种新的求解双曲守恒律方程(组)的四阶半离散中心迎风差分方法。
This paper presented a new semi-discrete central scheme for hyperbolic system of conservation laws.
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6. 本文讨论半线性拟双曲型积分微分方程的初边值和初值问题。
The initial boundary value problem and initial value problem for the semilinear pseudo-hyperbolic integrodifferential equation are considered.
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7. 砧骨短脚或砧骨窝及外半规管是乳突手术中确定FN锥曲段的重要标志。
Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.
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8. 由此，能获得其中翘曲较少且较不可能发生破裂的半绝缘氮化物半导体晶体衬底。
Thus, the semi-insulating nitride semiconductor crystal substrate in which warpage is less and cracking is less likely can be obtained.
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9. 在各向异性条件下，讨论了双曲型方程的一类非协调有限元逼近，给出了半离散格式下的最优误差佑计。
A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.
A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.
