Connecting with nature

Xem 1-20 trên 77 kết quả Connecting with nature
  • The solidification interface is represented by connected elements that move on the fixed background grid. Code validations are carried out through various problems. Finally, the temporal dependence of the solid area ratio of the solid phase to the cylinder upon various dimensionless parameters, such as Rayleigh number, Prandtl number, Stefan number, thermal property ratios as well as a parameter indicating the effect of superheat is studied.

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  • "jane genovese is a public speaker, university graduate of law and arts (majoring in psychology) and passionate global warming advocate. she became concerned about global warming after reading an article on artic eskimos losing their way of life due to rapid climate change. this motivated her to study environmental law and international environmental law at university. shortly after, she created the “global warming: too hot to handle?” workshop and this book with her mother, sharon. in her spare time, jane enjoys salsa dancing, watching good documentaries and going to the gym."......

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Speech Enhancement with Natural Sounding Residual Noise Based on Connected Time-Frequency Speech Presence Regions

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  • The EPISTLE system is being developed in a research project for exploring the feasibility of a variety of intelligent applications for the processing of business and office text (!'Z; the authors of are the project workers). Although ultimately intended functions include text generation (e.g., 4), present efforts focus on text analysis: developing the capability to take in essentially unconstrained business text and to output grammar and style critiques, on a sentence by sentence basis.

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  • In this paper, NR nanocomposites with the most popular and promising nanofillers were reviewed. These nanofillers are nanosilica and layered silicate as the most important fillers for NR industry after carbon black, and nanocellulose as a new abundant and environmental friendly filler. Methods of NR nanocomposites preparation were briefly summarized. The main attention was paid to the establishment of nanostructures in NR composites.

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  • In essays with settings that range from the Wind River Mountains of Wyoming, to the mountain town of Leadville, Colorado, to the Pine Barrens of New Jersey, Trudy Dittmar weaves personal experience with diverse threads of subject matter to create unexpected connections between human nature and nature at large. Life stories, elegantly combined with mindful observations of animals, plants, landscape and the skies, theories in natural science, environmental considerations, and touches of art criticism and popular culture, offer insights into the linked analogies of nature and soul....

    pdf237p japet75 30-01-2013 48 10   Download

  • Science communication: Bringing the Universe to the attention of others and opening their eyes. The illustration was modeled in 3D in Cinema 4D and post-processed in Photoshop by Martin Kornmesser. Library of Congress Control Number: 2006932967 ISBN-10: 0-387-26324-1 ISBN-13: 978-0-387-26324-3 Printed on acid-free paper. © 2007 Springer Science+Business Media, LLC All rights reserved.

    pdf267p khangoc2392 12-08-2012 47 8   Download

  • SLEκ is a random growth process based on Loewner’s equation with driving parameter a one-dimensional Brownian motion running with speed κ. This process is intimately connected with scaling limits of percolation clusters and with the outer boundary of Brownian motion, and is conjectured to correspond to scaling limits of several other discrete processes in two dimensions. The present paper attempts a first systematic study of SLE. It is proved that for all κ = 8 the SLE trace is a path; for κ ∈ [0, 4] it is a simple path; for κ ∈ (4, 8) it is...

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  • Given a compact four dimensional manifold, we prove existence of conformal metrics with constant Q-curvature under generic assumptions. The problem amounts to solving a fourth-order nonlinear elliptic equation with variational structure. Since the corresponding Euler functional is in general unbounded from above and from below, we employ topological methods and min-max schemes, jointly with the compactness result of [35]. 1.

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  • In this paper we compute the σ-invariants (sometimes also called the smooth Yamabe invariants) of RP3 and RP2 × S 1 (which are equal) and show that the only prime 3-manifolds with larger σ-invariants are S 3 , S 2 × S 1 , and ˜ S 2 ×S 1 (the nonorientable S 2 bundle over S 1 ). More generally, we show that any 3-manifold with σ-invariant greater than RP3 is either S 3 , a connect sum with an S 2 bundle over S 1 , or has more than one nonorientable prime component. A corollary...

    pdf19p tuanloccuoi 04-01-2013 41 5   Download

  • Web geometry is devoted to the study of families of foliations which are in general position. We restrict ourselves to the local situation, in the neighborhood of the origin in C2 , with d ≥ 1 complex analytic foliations of curves in general position. We are interested in the geometry of such configurations, that is, properties of planar d-webs which are invariant with respect to analytic local isomorphisms of C2 . The initiators of the subject are W. Blaschke, G. Thomsen and G. Bol in the 1930’s (cf. [B-B], [B] and for instance [H1]). ...

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  • There are very few examples of Riemannian manifolds with positive sectional curvature known. In fact in dimensions above 24 all known examples are diffeomorphic to locally rank one symmetric spaces. We give a partial explanation of this phenomenon by showing that a positively curved, simply connected, compact manifold (M, g) is up to homotopy given by a rank one symmetric space, provided that its isometry group Iso(M, g) is large. More precisely we prove first that if dim(Iso(M, g)) ≥ 2 dim(M ) − 6, then M is tangentially homotopically equivalent to a rank one symmetric space or M...

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  • This paper discusses the application of a previously reported theory of explanation rhetoric (Maybury, 1988b) to the task of explaining constraint violations in a hybrid rule/frame based system for resource allocation (Dawson et al, 1987). This research illustrates how discourse strategies of explanation, textual connectives, and additional justification knowledge can be applied to enhance the cohesiveness, structure, and clarity of knowledge based system explanations.

    pdf6p buncha_1 08-05-2013 38 3   Download

  • Nowhere is t h e tension between the two areas of our field--computatlon and llnguistlcs--more apparent than in the issues that arise in connection with parsing natural language input. This panel addresses those issues from both computational and linguisric perspectives. Each panelist has submitted a position paper on some of the questions that appear below. The questions are loosely grouped in three sections. The first concentrates on the computational aspect, the second on the linguistic aspect, and the third on their interactions. ...

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  • This paper addresses two issues concerning lexical access in connected speech recognition: 1) the nature of the pre-lexical representation used to initiate lexical lookup 2) the points at which lexical look-up is triggered off this representation. The results of an experiment are reported which was designed to evaluate a number of access strategies proposed in the literature in conjunction with several plausible pre-lexical representations of the speech input.

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  • it is widely reco~nlzed that the process of understandln~ natural language texts cannot be accomplished w i t h o u t accessin~ mundane Knowledge a b o u t the w o r l d [2, 4, 6, 7]. That is, in order to resolve ambiguities, form expectations, and make causal connections between events, we must make use of all sorts of episodic, stereotypic and factual knowledge. In this p a p e r , we are concerned with the way functional knowledge of objects, and associations between objects can be exploited in an understandln~ system. ...

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  • Although ultimately intended functions include text generation (e.g., 4), present efforts focus on text analysis: developing the capability to take in essentially unconstrained business text and to output grammar and style critiques, on a sentence by sentence basis. Briefly, we use a large on-line dictionary and a bottom-up parser in connection with an Augmented Phrase Structure Grammar (5) to obtain an approximately correct structural description of the surface t e x t (e.g., we posit no transformations or recovery of deleted material to infer underlying "deep" structures). ...

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  • The paper discusses the linguistic aspects of a new general purpose facility for computing with features. The program was developed in connection with the course I taught at the University of Texas in the fall of 1983. It is a generalized and expanded version of a system that Stuart Shieber originally designed for the PATR-II project at SRI in the spring of 1983 with later modifications by Fernando Pereira and me.

    pdf6p bungio_1 03-05-2013 23 1   Download

  • An English-Japanese bi-directional machine translation system was connected to a keyboard conversation function on a workstation, and tested via a satellite link with users in Japan and Switzerland. The set-up is described, and some informal observations on the nature of the bilingual dialogues reported. particular we were struck by the amount of metadialogue, i.e. dialogue discussing the previous interchanges: since contributions to the conversation were being translated, this metadialogue posed certain problems which we think are of general interest. ...

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  • It is easy to see that the tree property would be destroyed if these connections w e r e i n c l u d e d as edges in the tree. To save the t r e e property Kunze introduced the mechanism of paths of action for t h e p a r a d i g m a t i c and s e l e c t i v e connections.

    pdf5p buncha_1 08-05-2013 28 1   Download



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