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The research achievement are acquired as follows: 1From mathematical models for inverse scattering in two dimensional homogenous media including Dirichlet, Neumann, Robin,all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill-posed integral equation and indicator function method are formulated for the diverse of boundary identification. It is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given.
本研究取得了如下研究成果: 1)在二维均匀介质逆散射各种边界识别的数学模型(包括Dirichlet,Neumann,Robin,各种可能的混合边界问题,裂纹问题)下,分别考虑了正散射问题和逆散射问题,推导了上述各种边界识别的不适定积分方程以及指示函数方法,由于积分方程的核充分表征了散射物的边界,由此说明只要利用正则化方法求解该积分方程,就可以确定散射物的边界,并给出了一些数值实验。
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Equivalently, it can be raised as follows: for an A operator T, if M and N are two invariant subspaces of T satisfying N include M and dimN/M=∞, then does there exist another invariant subspace L such that N include L, and L include M ? It is rather difficult to study the invariant subspace problem of general diagonal operators.
研究表明它可以约化为对角算子的不变子空间的情形,具体地它有如下的等价提法:对于A算子算T,,如果M和N是T的两个不变子空间,满足且dimN/M=∞,那么是否存在T的另一个不变子空间L使得M包含于L,且L包含于N?
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Through the experiments of three kinds of models mentioned above, the structural deformations of "outflow-extension","strike-slip-extension" and "uplifting-extension" are studied and some viewpoints involving that the plastic flow in the lower lithosphere controls the extensional structures are stated as follows:(1) Regional extensional structure does not result from the direct extension along the upper crust, but from the plastic flow in the lower lithosphere and its dragging and stretching the upper crust;(2) Deformation of continental extensional structure resulted from the active uplifting of mantle is conditional that the significant extension occurs only in the models with free- or outflow-boundary condition on both sides, whereas the passive uplining of mantle exists widely, because it is an inevitable consequence of the efiect of thermo-gravity isostasy;(3) Strike-slip shearing in the lower ductile lithosphere, including site-restricted and site-unrestricted shearing, can result in various types of extension structures;(4) The"graben-horst"type extensional structures can be formed in difierent mechanisms, including outnow-extension, shear-extension, uplifting-extension and their synthetical action.
通过上述三种模型的模拟试验,比较系统地研究了"泄流-伸展"、"走滑-伸展"和"上隆-伸展"等构造变形,提出岩石圈下层塑性流动控制了各种伸展构造变形的观点,主要包括以下几方面:(1)区域性伸展构造不是上层直接受到拉伸,主要是下层流动牵引上层伸展;(2)地幔主动上隆引起大陆伸展构造变形是有条件的,需要侧边伸展或不受约束的边界条件,而被动上隆广泛存在于地壳断裂或减薄部位,是热和重力均衡的必然结果;(3)下层塑性流动中的走滑剪切,包括限位剪切或非限位剪切,可以引起不同型式的伸展构造;(4)总结了"堑-垒"型伸展构造的多种成因机制,包括泄流、走滑、上隆及综合作用均可形成"堑-垒"构造,但组合形式不尽相同。
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Junya Watanabe's Spring-Summer 2000 collection called Function and Practicality made an ironic play on the modernist rubric that form follows function because it featured ostensibly impractical ruffled party dresses made in smart fabric that became waterproof on contact with liquid.
纯也渡边的春夏2000年收集的所谓功能性和实用性作出了具有讽刺意味的发挥对现代派名义这种形式追随功能,因为它精选表面上是不切实际的怨艾党衫裙取得了智能织物,成为防水接触液体。
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Results show that radial basis function and point interpolation methods possess Kronecker Delta function property, but the robustness is poor in some cases; the MLS approximation function does not possess Kronecker Delta function property, but it has good robustness. Differences among the three discretization schemes of meshless method are as follows:the collocation method requires no numerical integration and very little computational time while its robustness is poor; Galerkin method is not a truly meshless method due to the background meshes required for integration; the Petrov-Galerkin method is a truly meshless method and need numerical integration in each sub-domain, so it needs more computational time.
分析结果显示:径向基函数和点插值法均具有d 函数属性,但计算稳定性差;移动最小二乘近似函数不具有d 函数属性,但计算比较稳定;无网格方法中的3种离散方法不同之处在于:配点法不需要积分,计算量小,计算稳定性差;Galerkin方法需要借助背景网格进行积分,它不是真正的无网格方法;Petrov-Galerkin方法,是一种真正的无网格方法,它需要对每个子域进行积分,计算工作量较大。
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Furthermore, based on Two-term local quadrat variance algorithm, a scale decomposing method is pointed out. This thesis also evaluates the question that whether we can apply scale decomposing results into gully ordering results for getting gully ordering system keeping the same scale characteristics results.The primary works and contributions of this thesis are summarized as follows:1. Three term local strip lacuanrity algorithm (3TLSL)This thesis shows that the gliding algorithm of Lacunarity has several shortcomings, such as it can only focus on the current analysis window, and is easily influenced by some local irregular values.
更多。本文进行的主要研究工作如下:1、流域沟谷网络多尺度分析模式与算法研究首先,为解决空隙度的滑动框算法只考虑当前窗口、易受局部异常值影响的缺陷,本文提出了顾及邻域空间关系的3阶局部条形窗口空隙度(Three-term Local Strip Lacuanrity,3TLSL)算法,并以模拟沟谷网络为例,对比分析了3TLSL算法与滑动框算法的结果,研究结果显示,3TLSL算法在分析结果的精确性、可靠性、有效性等方面均有明显的提高。
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As our society's progress follows Mallow's Hierarchy of Needs, which demonstrates that individual needs would vary and advance once satisfied, it is clear that the Taiwanese people's needs are shifting from the physiological needs of material fulfillment to the psychological needs of the feelings of safety and security.
台湾目前的社会状况,正从「生理需求」层次往「安全保卫」层次移转,而中兴保全集团以「安全、安心」为服务核心,并朝建构「全方位社会系统产业」的方向迈进,期能满足国人对「安全保卫」的需求,推动社会的再进步。
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Exclusively produced from bush vines planted in 1908.rietvallei estate,one of the oldest wine producing estates in the robertson region,has been in the burger family since 1864.current owner and winemaker,johhy burger and fifth generation on the estate,is proud to prsent this special and traditional rievallei wine to you.muscadel was the first wine to be produred on the eatate.the wine is stillmade according to the original recipe as set out by the first winemaker on rietvallei, jacobus burger ,who also planted the bush vines,form which this wine was prouduced,in1908.this is a wine that we,as a family,cherish dearly,because it represents all thal is rietvallei...a fimeless family tradition.rietvallei 1908 muscadel is deep red in colour,full-bodied,rich,yet gentle.a floral bouquet comes throuth on the nose,with typical raisiny sweetness and an intense flaours that lingers on the palate and follows through on the afterteste.addintional bottle maturation gives excellent results.
好象这几篇翻译都是你发出的关于一个主题的。大概是有人向你推销葡萄酒或则是找代理销售商吧!Bush vine 成立于1908 ,作为独家生产商,它是一个最古老的葡萄酒基地在robertson 地区,早在1864年它就是burger家族企业,目前该所有经营者和制酒者 Johhy burger和第五代家族成员非常自豪的向你展现制造这种独特的传统配方美酒。muscadel是在这里制作的第一种葡萄酒,Jacobus burger,培育的葡萄园在1908就酿造了第一种葡萄酒,bugger家族人员非常珍爱这种葡萄酒,它就代表着rietvallei,一种家族传统的配方制作。muscadel 颜色深红,饱满柔和,香味牵引着鼻子。典型的葡萄干味道还有夹杂着深深的香味在嘴边不停的徘徊回味无穷。通过后来有关坚定,瓶装的发酵对此发挥了巨大的作用能力有限,供仁兄参考之用
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The results as follows:(1)The decrepit rules of Lycoris leaves were: the senescence of all leaves incarnated that they turned yellow from outside to inside; to the single leaves, the main type of senescence was that it was from tip to the edge gradually, and then went to middle nervation and to the base of leave finally. There was affinity between temperature and the senescence of lycoris longituba.
具体结果如下:(1)长筒石蒜叶片衰老形态的规律为:整株长筒石蒜叶片衰老主要是从外轮叶片逐渐向内轮叶片变黄;单个叶片的衰老主要类型是从叶尖开始逐渐沿着叶片边缘向叶中脉到叶的基部。
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The results were as follows:(1) The spectral sensitivity response at 14 monochromatic light selected through 340nm to 605nm occurred in curve with multiple peaks, the primary peak in 340nm (ultra-violet) is the highest response rate of phototaxis (21%), the secondary in 524nm, and the rest in 400-440nm and 483nm in order;(2) The response rate of phototaxis is increasing as the relative intensity of light, it is showed as curves with inverse "L" shape in white light and the monochromatic light of 483nm, as an upward ladder at 524nm and a near straight line at 340nm. However, the response rate could be detected at the lowest intensity and not arrived to the summit at the strongest yet;(3) The effect of sex to response to the spectral sensitivity and intensity is not significant;(4) There was not significant photophobism response to light for the ladybird, the behavior probably derived from phototaxis or partly due to random movements. It can be concluded that both the spectrum and intensity of light stimulus gave rise to the phototaxis of P.
结果显示:(1)在340~605nm波谱内其光谱趋光行为反应为多峰型,峰间主次不明显,紫外340nm处峰最高,趋光反应率达21%,其它各峰依大小次序分别位于绿光524nm、蓝光400~440nm和483nm处;(2)随光强增强其趋光反应率增大,白光和483nm刺激时其光强趋光行为反应呈一倒"L"型式样,524nm时呈一阶梯型,340nm时为一较平直的线型;光强最弱时仍均有一定趋光率,最强时均未出现高端平台;(3)性别对其光谱和光强度行为反应均有一定影响,但影响不大;(4)龟纹瓢虫无明显的避光反应,其避光行为可能是趋光行为衍生或其随机活动造成。
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。