نتایج جستجو برای: machine made carpet
تعداد نتایج: 720915 فیلتر نتایج به سال:
Results are presented that demonstrate the successful use of live bacteria as mechanical actuators in microfabricated fluid systems. The flow deposition of bacteria is used to create a motile bacterial carpet that can generate local fluid motion inside a microfabricated system. By tracking the motion of tracer particles, we demonstrate that the bacterial cells that comprise the carpet self-orga...
If a torsion-free hyperbolic group G has 1-dimensional boundary ∂∞G, then ∂∞G is a Menger curve or a Sierpinski carpet provided G does not split over a cyclic group. When ∂∞G is a Sierpinski carpet we show that G is a quasiconvex subgroup of a 3-dimensional hyperbolic Poincaré duality group. We also construct a “topologically rigid” hyperbolic group G: any homeomorphism of ∂∞G is induced by an ...
Persian silk rugs are the most intricate, and often most valuable ones among all hand-knotted carpets. Silk is luxurious, lightweight and soft. Additionally fineness of silk carpet is amazing. Then it is very important to improve its quality and useful life time. During its usage, a typical high quality Persian or Oriental silk rug is exposed to many water-based stains. Although there are now a...
introduction: carpal tunnel syndrome (cts) is the most common compressive neuropathy in occupational medicine. it may be presented with numbness, tingling, and motor weakness of the hand. repetitive hand finger motions, repeated extreme bending of the wrist as well as forceful gripping, and repeated forces on the base of the palm and wrist are occupational risk factors associated with cts. this...
In a recent paper Cristea and Tichy introduced several types of discrepancies of point sets on the s-dimensional Sierpiński carpet and proved various relations between these discrepancies. In the present paper we prove a general lower bound for those discrepancies in terms of N , the cardinality of the point set, and we give a probabilistic proof for the existence of point sets with “small” dis...
In this paper we describe CARPET, a parallel programming language based on the cellular automata model. CARPET is the language used for programming cellular algorithms in the CAMEL environment. CAMEL is an environment designed to support the development of high performance applications in science and engineering. It offers the computing power of a highly parallel computer, hiding the architectu...
The computation of the Hausdorff measure of fractals is the basic problem in fractal geometry. However, this is very difficult. The genetic algorithm is one of optimization algorithms to resolve complicated problems of wide scope, and has great capabilities in self-organizing, self-adaptation and self-learning. Lifeng Xi professor put forward to the thought of computing the Hausdorff measure of...
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