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121. This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition.

122. The results show that the system has an unstable region when perturbation varies linearly, and the system only takes on single periodic oscillation state in the region.

123. Our results indicate that the axial component of wavevector of perturbation can lead to a new instability.

124. The results show Firstly, Randomly perturbation on the position and diameter of air holes are introduced respectively in the photonic crystal slab.

125. In this paper, the method, which is called Computer Aided Perturbation (CAP), is used for the optimization design of the multi-stage microwave amplifier circuits.

126. The hail fall of the hail cloud which domain of the initial potential temperature perturbation is located in lee slope is 6 times as large as in windward slope.

127. The parameters of tripler under amplitude modulation and phase perturbation have been optimized.

128. In this paper, the problem of obtaining the acoustic velocity of a small coaxial cylinder in a resonance cylindrical cavity is discussed on the basis of the perturbation theory.

129. In the propagation state, using perturbation theory and low-order mode approximation, characteristic equations for propagation constants are prcsented.

130. In this paper, we discuss two problems for the matrix computation. The first is matrix perturbation analysis, and the second is matrix iterative analysis.

131. The theoretical prediction about non - lepton decay of B - meson is facing challenges. Because there is not tiny perturbation in the course of decay.

132. The correction of the solid tide perturbation to the coordinate of the phase center of GPS receiver has been present.

133. Finally, in Chapter 5, the mechanics of sandpile avalanche has been studied using a horizontal vibration as an outside perturbation.

134. A perturbation test method of rectangular cavity is discussed for determination of complex permittivity of dielectric materials at microwave frequencies.

135. This paper presents an iterative method for separating singular perturbation control systems.

136. The orbit variation in one day under the nonspherical perturbation is shown and the motion of the orbit plane is co...

137. Moreover, its coverage performance is also evaluated under some factors, such as the geometric dilution of precision (GDOP), orbital perturbation, space transmission loss and eclipse.

138. To study the stability of the equilibrium configuration, we superpose the equilibrium configuration with a small perturbation and calculate the natural frequencies of the deformed elastica .

139. Lastly, the new relative perturbation bounds for special matrix and diagonalizable matrix are obtained.

140. The theoretical prediction about non - lepton decay of b-meson is facing challenges. Because there is not tiny perturbation in the course of decay.

141. Methods The maximum principle, monotone method, bifurcation theory, the perturbation theorem for linear operators and the stability theorem for bifurcation solutions were used.

142. In this paper, We study the perturbation problem of eigenvalue of a simple graph G to adding and deleting an edge.

143. Considering ultrasonic wave as perturbation, a coupled-wave equation group of fiber acoustooptic interaction is deduced. This equation group includes equations of forward wave and backward wave.

144. In the end, we prove the validity of the singular perturbation expansions and get some useful deductions about the existence of the classical solution to the flood wave equations.

145. In the end, we derive a perturbation bound which does not depend on the perturbation solution for the unique solution.

146. I tackle the perturbation problem of the nonlinear Schrodinger equation because of its importance.

147. The symmetric perturbation is of real mode and the antisymmetric is of complex mode.

148. By applying the geometric singular perturbation theory,(http://sentencedict.com/perturbation.html) it is proved that steady traveling wave fronts is maintained when the delay is sufficiently small for a type of convolution kernel.

149. J 2 perturbation makes the relative orbit drift in the in track direction , nutation or procession.

150. A brief review by the progress of advanced statistical mechanics, integral equation and perturbation theory for electrolyte and non-electrolyte solutions in recent years is presented.