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Based on the temperature-dependent complex dielectric constant of Indium Antimonide, an InSb-dielectric-InSb plasmonic waveguide structure with the grating is proposed. At the frequency of 1 THz, a directional beam is obtained, and its radiation direction can be controlled by changing the temperature difference between the grating structures on each side.
本文根据锑化铟材料在THz波段下复介电常数对温度的响应特性,采用了带有光栅的锑化铟-介质-锑化铟的表面等离子体波导结构,实现了1THz频率光束的准直出射,并能够通过调整结构两侧光栅的温度差来控制出射光束的角度。
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At least two separate inhibitory actions on 5-HT3A receptors could be identified for propofol, whereas the enhancing action seen for the two related smaller phenol derivatives could no longer be detected. 5-HT-dependent and 5-HT-independent interactions could be distinguished for all three drugs.
异丙酚被证实对5-HT3A 受体至少有两种相互独立的作用,而在两种相关的较小分子的酚类衍生物中所看到的增强作用则不能被检测到。5-HT 依赖和5-HT 非依赖两种相互作用因为这三种药物而著称。
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Based on a delay-dependent bounded real lemma, the condition under which a decentralized robust H(subscript ∞) output feedback controller exists is derived and it is available to be attributed to a solution to the problem of nonlinear matrix inequality which can be expressed in terms of a homotopy function properly selected. Then, with the homotopic iteration method and the Schur complement lemma introduced, the solution can be converted into an iterative solution to the linear matrix inequality.
基于一个时滞依赖有界实引理,将系统鲁棒分散H动态输出反馈控制器的解归结为一个非线性矩阵不等式的求解问题;选取适当的同伦函数来表示该非线性矩阵不等式,采用同伦迭代算法及Schur补引理,将求解非线性矩阵不等式转化为线性矩阵不等式的迭代求解问题。
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In the computation of aerodynamic forces, the present work is based on the work of Morino et al., but the following aspects are improved:(1) In computing the steady transonic aerodynamic load, the steady transonic nonlinear integral equation is solved by relaxation-iteration method in this thesis, instead of solving the time dependent transonic nonlinear integral equation, so that the computing time is saved greatly;(2) The influence coeifficients represented by volume integral are transformed to surface integral by using the Gaussian Theorem, so the analytical form of these coeifficients can be obtained and this leads to be more convenient to analyse and compile computer program;(3) The shock capturing method is used in every time step in present work, no shock moving term is added in the integral equation, so that it is more convenient and simpler to treat.
在气动力计算方面,本文基于Morino等人的工作,作了如下几方面的改进:(1)在计算定常跨音速流场(作为非定常绕流计算的初场)时,本文采用松驰迭代法直接求解跨音速定常非线性积分方程,而不是采用时间相关法求解非定常非线性积分方程,这样大大节省了计算机时;(2)将以体积分形式出现的影响系数化为面积分,并获得解析公式,这样便于分析和编写程序;(3)对运动的激波,本文通过在每一个时间步长上采用激波捕捉法而得到,而不是在积分方程中附加激波运动项,因而处理起来简单方便得多。
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Using this method, the controller design for performance and robustness can be designed separately, which has the potential to overcome the conflict between performance and robustness in the traditional feedback framework. Third, to make the vehicle meet the performance index in full flight envelop, a H∞ gain-scheduled controller based on Linear Varying Parameter system are designed. A LPV plant with a linear fractional dependent variable can be represented by upper LFT (Linear Fractional Transformation) interconnection.
通过把非线性系统简化为了线性变参数系统,再有通过线性分式变换将LPV系统转化为一个线性定常系统和不确定性组成的LFT互联形式,使之转换成为一个经典鲁棒控制问题,然后通过求解一组线性矩阵不等式得到变增益H_∞控制器。
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The multiple unfolding that takes place is entirely dependent upon temporo-spatial overlapping, a continuous meeting in time and space, a sequence of events that must be precisely synchronized so that one phenomenon may act on another at the right time at the right place. The entire ontogenetic process must be seen as a precision schedule that determines the evolvement of a temporo-spatial pattern of interactions between cells and tissues.
多个未呈现的事件被呈现是完全依赖时间性空间的部分重叠,连续不断的会集在时间和空间上,一连串的事件可能同时被发生以便一个现象能在另一个正确的时间和地点活动,相互影响的一个时间性空间形式的发展在细胞和组织之间的整个个体发生过程必须被看作为一个精确的项目表。
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In this thesis, the methods of surrounding rock masses stability classification on the basis of the geological documentation of muck and the boring parameters of TBM are approached, especially as follows:①The geological documentation of muck and the boring parameters of TBM in the Yellow River Diversion Project.of shanxi province is summarized systematically;②Based on the geological documentation of muck and the boring parameters of TBM, that whether the common methods of surrounding rock masses stability (the methods of regular factor classification) classification are feasible, is carried on the discussion;③According to the corresponding relation of muck and the boring parameters of TBM and the surrounding rock masses stability type, the extension assessment method of tunnel surrounding rock masses stability classification is set up, also the corresponding fortran calculation procedure worked out, and not only rational result in conformity with the reality can be obtained, but also the stability situation of surrounding rock masses in front of the working range can be predicted according to the change of the dependent value in the application instance of Yellow River Diversion Project;④Combining with the application instance of Yellow River Diversion Project, extension assessment method in the application of surrounding rock masses stability classification is compared and verificated in detail by applying fuzzy synthesis method by forefathers, and a certain degree discussion and summary about the application achievement of surrounding rock masses stability classification, which is assessed by extension assessment method and fuzzy synthesis method, are carried on.
本文基于渣料和TBM掘进参数的地质编录提供的地质信息进行了围岩稳定分类方法的探讨,重点进行:①对引黄工程中渣料和TBM掘进参数的地质编录的系统整理;②基于渣料和TBM掘进参数的地质编录获得的地质信息,对常用围岩稳定分类方法是否能够进行围岩稳定分类进行了探讨;③根据渣料和TBM掘进参数与围岩稳定类型的对应关系,应用可拓理论,建立了隧洞围岩稳定分类的可拓评价方法,还编制了相应的fortran计算程序,并在引黄工程的应用实例中不仅取得了与客观实际相符的合理结果,而且根据其关联度值的变化能够预测临近掌子面前方围岩的稳定情况;④结合引黄工程的应用实例运用模糊综合评判方法对可拓评判方法在围岩稳定分类中的应用进行了详细的验证、比较,并对前人在运用可拓学和模糊数学进行岩体稳定评判的应用成果方面,进行了一定的探讨、总结。
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As to the so- called bad aspects of women' s, we should eliminate them. Therefore, each woman tries their best to be the perfect woman who is self-dependent and acting on her own, self-respect and self-love, tender, kind, motherhood, beauty-love, sympathetic and so on . The appearance of this kind perfect women not only respects the freedom of women as human beings, but also
在我国,形成两性真正平等、和谐地充分发展各自的能力并且构建一个相互理解和相互尊重的和谐社会是刻不容缓的大事,所以我们的社会应该真正地提高女性地位,给女性酿造一个有利于女性和男性真正平等发展的环境,特别是意识环境,从而使得男人和女人不仅分享孩子、家庭、花园以及他们生物作用的满足,而且还分享他们工作的责任和热情,达到和谐完美的人类社会。
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Secondly, the research focus may be on the individual's response to the stress; in this sense stress acts as the independent variable. In the first case it is more likely to be a dependent variable, elements of the teaching and the working situation being the independent variables.
第二,这个研究的焦点可能在个人对压力的回应上,在这种意义上,压力是作为一个自变量,在第一种情况下,则更倾向于一个因变量,而教学元素和工作情况则是自变量。
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The algorithm is applied in the segmentation of Magnetic Resonance Imaging of human brain for the 3D reconstruction on dependent of different human tissue structures, in which the problem on wraps between different tissues and fuzzy edges between the different regions in medical volume data may better be settled, which can not be well done by the typical"hard"segmentation using binary logical representation.(3) An accelerated algorithm of volume rendering with X-ray perspective and Phong shading effect based on textures mapping and blending is presented for realizing 3D reconstruction of medical volume data by 2D texture mapping and blending, in which the accelerated algorithm of window transformation is utilized to computing voxels' gray scales and opacities to produce X-ray perspective images, and Phone illumination model is used to import world light sources and an unit spherical surface under the same shading environment as the actual volume rendering is employed to simulate the real reflectional light of per-voxel so that 3D reconstruction possesses illumination effect in the world. Furthermore, 3D matrix transformations of degree rotation and other operations of 3D object are studied, and a fast equivalent method of corresponding shading correction is brought forward to improve its interaction speed in volume rendering process.
该方法利用体数据的窗口变换加速算法将医学体数据转换为计算机显示值,可以得到具有X光透视效果三维图像;该方法提出的Phong明暗处理加速算法利用Phong光照模型引入外部光源,使用一单位球面体来仿真体数据的法线矢量集所产生的反射光强,以快速得到每一个体素的反射光强度,使物体的三维重建达到现实世界中人眼直接观察的逼真效果;此外,还研究了三维重建物体的三维旋转等矩阵变换,提出了一种Phong明暗修正的快速算法来保证了体绘制中三维几何变换的多视角观察的交互速度。
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。