Patch test used for diagnosis in cosmetic dermatitis

It was one of my friends who underwent a cosmetic operation in your hospital last month.

是我的一个朋友上个月在你们医院作了整容手术。

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Objective To investigate the psychological nursing for the middle and old age received cosmetic operation.

目的探讨对中老年人群美容手术过程中的心理护理。

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Psychological Nursing for Middle and Old Age Received Cosmetic Operation

中老年美容求术者的心理护理

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Implementation of Raised-Cosine Roll-Off Pulse Shaping Interpolated Filter Based on FPGA

升余弦滚降基带成型内插滤波器的FPGA实现

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An AGC amplifier is presented. When pressing the dynamic range of the amplitude of CW ( Cosine Wave) pulse, it can shorten the time duration of front edge at the same time.

本文给出了一种在对CW（cosinewave）脉冲幅值做动态压缩的同时，能缩短CW脉冲前沿上升时间的AGC电路。

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It is found that selecting appropriate value of duty cycles of Gauss light pulse signal, frequency chirp and the roll-off factor of raised cosine pulse signal produced by the equalizer of an optical receiver can improve the sensitivity of the optical receiver.

发现适当选取高斯光脉冲信号的占空比、啁啾分量、光接收机均衡滤波器输出的升余弦频谱波形滚降因子的值可以提高光接收机灵敏度；

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Simulation results show that compare to the rise cosine pulse, with the narrow main valve and the faster high frequency rolling and the better resisting of spectral spreading, the new type IJF code has better performance.

仿真结果表明：与传统的升余弦脉冲比较，新设计的IJF码型性能更加优越，表现为主瓣窄，高频滚降快，有效地抑制了频谱扩展。

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The Generation of Cosine Pulse Signal with Four Phase Codes

余弦脉冲四相码信号及其产生

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The software ANSYS/ LY-DYNA has been employed to analyze transient dynamic response of a thin-walled conical shell subjected to a cosine pulse loading. As a result, Von-mises stress fields of this shell at different time moments are obtained to test its dynamic strength.

运用有限元分析软件ANSYS/LS-DYNA对在余弦脉冲载荷作用下某圆锥薄壳体的瞬态动力响应过程进行分析，得出了不同时刻下壳体等效应力场的分布，考察了该壳体结构的动强度性能。

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A Comparison Study Between Cosine Model and Circular Distribution Method Used in the Analysis of Disease Peak Period

余弦模型与园形分布方法在分析疾病高峰期应用中的比较

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The emluator to imitate IBSD system is established by adopting cosine distribution.

根据基本的余弦分布规律，建立了模拟离子束溅射镀膜系统的仿真模型。

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By some experimental researches on IBSD system and regression analyzing, the exponent of cosine distribution is determined and the emluator are completed for quantificationally simulation.

通过在离子束溅射镀膜系统上的实验研究并用仿真模型进行回归分析，给出了准确的余弦分布函数指数，最终建立能够定量计算的仿真模型。

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Analytic solution of beam subjected to cosine distribution pressure

梁受余弦分布压力作用的解析解

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Four kinds of discrete transform principal component regression methods were established by combining wavelet packet transform, wavelet transform, Fourier transform and discrete cosine transform with principal component regression. Calculating programs were designed to perform the calculation by discrete transform principal component regression methods.

将离散小波变换、小波包变换、傅里叶变换和离散余弦变换与主组分回归方法结合构成4种离散变换主组分回归方法，编制了离散变换主组分回归方法的计算程序。

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A new north seeking method named Three Points Orthogonal Sampling is introduced to input the gyro with the cosine component of the Earth's horizontal spin velocity.

针对部分地区无法同时观测到“北斗一号”系统两颗工作卫星信号的情况，提出了仅利用一颗地球静止卫星实现快速寻北的思路。

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We propose to use the sine cosine function series as the fundamental variables and to apply optimum regression analysis to the experimental data.

本工作引入正余弦函数系对实验数据作最优回归分析。

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It is showed that, these sample processes accurately reflect the prescribed probabilistic characteristics of the evolutionary power spectral density function when the number of the terms in the cosine series is large enough;

可以证明，当级数项数足够大时，模拟的样本过程可准确地反映渐进功率谱规定的性质；

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Based on such a pipeline corrosion model, an elastic foundation beam model is employed to express the seismic displacement and stress of pipeline as orthogonal cosine series.

在此基础上，根据弹性地基梁模型，将管线周围土体位移正交展开为余弦级数的形式，获得了地震作用下腐蚀管线位移反应和应力反应的解析表达式。

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Firstly, Airy stress function and the distributions of the membrane forces are determined by the combination of double cosine series.

首先采用双重余弦函数的组合确定了面内冲击矩形薄板的艾雷应力函数和中面力的分布；

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The flexural problems of orthotropic rectangular plate with four free edges rested on elastic foundation have been discussed in this paper and analyzed by the Fourier trigonometrical cosine series and double trigonometrical cosine series.

本文利用Fourier双三角余弦级数和单三角余弦级数，讨论和分析了弹性地基上四边自由正交各向异性矩形板的弯曲问题。

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