This paper proposes an universal e-cash system based on partially blind signature which can be divided to small pieces of arbitrary number one time, so-called single-divisibility.

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This function is a kind of orthonormal function, and it can approximate almost any curve in quadratic continuous integral space, thus it enhances the generalization ability of the SVM.

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Measure of uniformity is essential for constructing uniform design. Based on the distance concept, one kind of new distance function-potential function is introduced and used to measure the uniformity of points distributed in a general convex polyhedron.

均勻性度量是構(gòu)作均勻設計的基礎，本文從距離概念出發(fā)黄色三级A片，通過對稱的方法h色视频网站在线观看，得到一種新的距離函數(shù)－勢函數(shù)，并將勢函數(shù)作為衡量任意凸多面體上布點均勻性好壞的準則全网最大的黄色网站免费观看。

The effect of tribology factors on bearing vibration is studied experimentally. AR model and WPT are used to processing the normal arid abnormal signals. The results are as follows:1. The vibration of ball bearings is caused by the tribology action of contact pairs of ball and ring races and has the essential of tribo-dynamics. Any factors affecting the tribology characteristics of contact pairs will affect vibration and noise of bearings consequently.2. Vibration characteristics of bearing keep almostly unchanged with the increasing of axial load expecting the increasing of nature frequencies. When radial load increasing with axial load unchanged, nature frequencies keep unchanged but some new vibration peaks appears in the spectrum.3. Vibration amplitudes are damped and nature frequency are enhanced with sufficient lubrication. Vibration and noise of bearings increase obviously and roar can happen and the contact surfaces scratch slightly under insufficient and unclean lubrication state. Bearing will be disabled in a few minutes without any lubrication.4. Bearing vibration is unstable under low speed. With the speed increasing, the vibration become stable and natural frequencies increase slightly but the amplitudes increase apparently.5. Bearing vibration can be excited only by some harmonics ofwaviness without lubrication and by all harmonics with lubrication based on the theoretical analysis.6. The nature frequencies of ball bearings decrease with the increasing sizes. When international clearance increasing, nature frequencies decrease in radial and increase in axial and angular and the amplitudes increase in radial and decrease in axial and angular. When the number of balls increasing, nature frequencies increase and amplitudes decrease. When the pitch diameter increasing, axial nature frequency increase and others nearly keep no change. When outer race groove curvature radius increasing, nature frequencies increase in radial and decrease in axial and angular and amplitudes keep no change in radial and increase in axial and angular. When inner race groove curvature radius increasing, nature frequencies decrease and amplitudes increase.7. The distortion in amplitude and frequency components of bearing vibration signals picked up by the present probe measurement method is founded and right conclusions cannot be achieved by the signals. When accelerometer is rigidly screwed with steel stud onto a flat outer surface of a ball bearing, vibration signal can be got without distortion and the reliability of research on bearing vibration is assured.8. AR model is suitable for large samples of bearing vibration signals, square root of length of samples can be used as the upper limitation of order determination and the FPE order selection criterion is effective. Many advantages of AR spectrum are founded over the classical based on FFT.9. Time-Frequency analysis is necessary for abnormal noise of ball bearings. WPT overcomes the principle shortcomings of STFT and proved to be a best tool to process the abnormal signals.

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With the increase of the momentum driftage of oxidic atmosphere add, at 10% concentration, when h/H＜0.075, its concentration depress along the height, when h/H＞0.1, its concentration increase, the whole concentration is to be symmetrical, from h/H=0.075 to h/H=0.1 is the vast changed area.

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In the algorithm,a kind of merit function and the schemes of nonmono-tone line search are used to have the algorithm be of the global convergence andsuperlinear convergence and have the algorithm be of a extended application range,especially at time of the feasible initial point is hard to be obtained.

該方法適用于任意的起始點。并且使用了一類效益函數(shù)在线免费观看的黄页，ε—積極約束策略及非單調(diào)線搜索十八禁成年无码免费网站深添，從而使算法保持了整體收斂性和局部超線性收斂性，并具有較廣的適用范圍亚洲高清乱码午夜电影网制服，尤其在可行的起始點難于得到的情況下jizzjizz黄色视频。

Firstly, we prove the existence and the uniqueness of the hyperfocal subalgebra when the coefficient field is split for a defect pointed group; then, considering the structural pattern of source algebras over arbitrary fields, by means of G-acted groups, we reduce the existence and the uniqueness of the hyperfocal subalgebra over an arbitrary field to the case that the coefficient field is split for a defect pointed group and the inertia group stablizes a hyperfocal subalgebra.

首先我們證明了如果系數(shù)域?qū)μ濣c群是分裂的，則源代數(shù)的超聚焦子代數(shù)存在且共軛唯一99久久国产超碰；然后通過考慮任意域上源代數(shù)的結(jié)構(gòu)模式国产毛片一区，以G-作用群為手段，將超聚焦子代數(shù)的存在性和唯一性歸結(jié)為系數(shù)域?qū)μ濣c群是分裂的情況下慣性群穩(wěn)定的超聚焦子代數(shù)的存在性和唯一性在线超碰。

At first, the existence of extended form of approach to continuous selection for any set valued mapping without any continuity restriction in para-compact metric space is proved ;by the topologically separated mappings , the approximate selection theorem of sub-lower-semi-continuous mapping is established, furthermore , continuous selection problem in H-space is studied. Next, with W-correspondence, an improved variational inequality is obtained ; by the H-KKM mapping ,Ky Fan\'s minimax inequality is generalized to H-space . At last, with H-convexity instead of the linear topological structure, a new version of Browder fixed point theorem is established.Chapter 3 deals with set-valued mapping vector variational inequality and minimax problems.

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Principal plane: Any plane that contains two principal axes is regarded as a principal strain plane, where AB refers to the maximum principal plane, BD, the minimum principal plane and AD, the intermediate one.

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In this paper obtains the conclusion by the discrete property of integer: If a, b∈Z+, also a≤b, b-a=d, then d is one of 0,1,…,b-1 in these b integers; Theorem: a | b also a | c to abitrary x,y∈Z, has a | to promote to more sums; By promotes the cancellation from additivity of coresidual; By the prime number is the infinite inferential reasoning continual divisible number also is infinite.

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