349 research outputs found

    О ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠ΅ Π·Π°Ρ…Π²Π°Ρ‚Π° элСктронов Π² ускорСниС Π² Π±Π΅Ρ‚Π°Ρ‚Ρ€ΠΎΠ½Π΅

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    ΠœΠΈΠ½Π΅Ρ€Π°Π»ΠΎΠ³ΠΎ-пСтрохимичСскиС ΠΈ гСохимичСскиС Ρ‡Π΅Ρ€Ρ‚Ρ‹ ΠΎΠΊΠΎΠ»ΠΎΡ€ΡƒΠ΄Π½ΠΎΠ³ΠΎ мСтасоматизма Π² Π—Π°ΠΏΠ°Π΄Π½ΠΎΠΌ Π·ΠΎΠ»ΠΎΡ‚ΠΎΡ€ΡƒΠ΄Π½ΠΎΠΌ мСстороТдСнии (Π‘Π΅Π²Π΅Ρ€Π½ΠΎΠ΅ Π—Π°Π±Π°ΠΉΠΊΠ°Π»ΡŒΠ΅)

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    ΠŸΡ€ΠΈΠ²Π΅Π΄Π΅Π½Ρ‹ Π΄Π°Π½Π½Ρ‹Π΅ ΠΎΠ± условиях залСгания, ΠΌΠΎΡ€Ρ„ΠΎΠ»ΠΎΠ³ΠΈΠΈ Ρ€ΡƒΠ΄Π½Ρ‹Ρ… Ρ‚Π΅Π», ΠΌΠΈΠ½Π΅Ρ€Π°Π»ΡŒΠ½ΠΎΠΌ составС, Ρ„ΠΈΠ·ΠΈΠΊΠΎ-химичСских ΠΈ тСрмодинамичСских Ρ€Π΅ΠΆΠΈΠΌΠ°Ρ… образования Ρ€ΡƒΠ΄ Π—Π°ΠΏΠ°Π΄Π½ΠΎΠ³ΠΎ Π·ΠΎΠ»ΠΎΡ‚ΠΎΡ€ΡƒΠ΄Π½ΠΎΠ³ΠΎ мСстороТдСния Π‘Π΅Π²Π΅Ρ€Π½ΠΎΠ³ΠΎ Π—Π°Π±Π°ΠΉΠΊΠ°Π»ΡŒΡ. Π’ΠΏΠ΅Ρ€Π²Ρ‹Π΅ ΠΏΠΎΠΊΠ°Π·Π°Π½Ρ‹ порядок ΠΌΠΈΠ½Π΅Ρ€Π°Π»ΡŒΠ½ΠΎΠΉ Π·ΠΎΠ½Π°Π»ΡŒΠ½ΠΎΡΡ‚ΠΈ (структура) ΠΈ ΠΌΠΈΠ½Π΅Ρ€Π°Π»ΠΎΠ³ΠΎ-пСтрохимичСскиС Ρ‡Π΅Ρ€Ρ‚Ρ‹ Π°ΠΏΠΎΠ΄ΠΎΠ»Π΅Ρ€ΠΈΡ‚ΠΎΠ²Ρ‹Ρ… ΠΎΠΊΠΎΠ»ΠΎΠΆΠΈΠ»ΡŒΠ½Ρ‹Ρ… мСтасоматичСских ΠΎΡ€Π΅ΠΎΠ»ΠΎΠ². ДоказываСтся ΠΏΡ€ΠΈΠ½Π°Π΄Π»Π΅ΠΆΠ½ΠΎΡΡ‚ΡŒ послСдних ΠΊ Π±Π΅Ρ€Π΅Π·ΠΈΡ‚ΠΎΠ²ΠΎΠΉ мСтасоматичСской Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ, Π° мСстороТдСния - ΠΊ Π·ΠΎΠ»ΠΎΡ‚ΠΎΠΉ субформации Π·ΠΎΠ»ΠΎΡ‚ΠΎ-ΡƒΡ€Π°Π½-полимСталличСской Π±Π΅Ρ€Π΅Π·ΠΈΡ‚ΠΎΠ²ΠΎΠΉ Ρ€ΡƒΠ΄Π½ΠΎΠΉ Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ. Π‘Π»Π°Π±ΠΎ контрастныС Π°Π½ΠΎΠΌΠ°Π»ΠΈΠΈ Π·ΠΎΠ»ΠΎΡ‚Π°, сСрСбра, Ρ€Ρ‚ΡƒΡ‚ΠΈ ΠΏΡ€ΠΈΡƒΡ€ΠΎΡ‡Π΅Π½Ρ‹ ΠΊ Ρ‚Ρ‹Π»ΠΎΠ²Ρ‹ΠΌ Π·ΠΎΠ½Π°ΠΌ ΠΎΠΊΠΎΠ»ΠΎΠΆΠΈΠ»ΡŒΠ½Ρ‹Ρ… мСтасоматичСских ΠΎΡ€Π΅ΠΎΠ»ΠΎΠ² Π² нСпосрСдствСнном ΠΎΠ±Ρ€Π°ΠΌΠ»Π΅Π½ΠΈΠΈ слабозолотоносных (ΠΏΠ΅Ρ€Π²Ρ‹Π΅ Π³/Ρ‚) ΠΈΠ½Ρ‚Π΅Ρ€Π²Π°Π»ΠΎΠ² ΠΊΠ²Π°Ρ€Ρ†Π΅Π²Ρ‹Ρ… ΠΆΠΈΠ». ΠΡ€Π³ΡƒΠΌΠ΅Π½Ρ‚ΠΈΡ€ΡƒΡŽΡ‚ΡΡ гСнСтичСскиС связи ΠΎΠΊΠΎΠ»ΠΎΠΆΠΈΠ»ΡŒΠ½Ρ‹Ρ… мСтасоматичСских ΠΈ гСохимичСских ΠΎΡ€Π΅ΠΎΠ»ΠΎΠ² с Ρ€ΡƒΠ΄Π°ΠΌΠΈ ΠΈ ΠΎΠ±Ρ€Π°Π·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΈΡ… Π² Ρ€ΡƒΠ΄ΠΎΠΎΠ±Ρ€Π°Π·ΡƒΡŽΡ‰Π΅ΠΌ процСссС позднСпалСозойской мСталлогСничСской эпохи. ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ ΠΌΠΈΠ½Π΅Ρ€Π°Π»ΠΎΠ³ΠΎ-пСтрохимичСскиС ΠΈ гСохимичСскиС Ρ‡Π΅Ρ€Ρ‚Ρ‹ околоТильного мСтасоматизма рассмотрСны Π² сравнСнии с Ρ‚Π°ΠΊΠΎΠ²Ρ‹ΠΌΠΈ Π΄Ρ€ΡƒΠ³ΠΈΡ… мСстороТдСний Π‘Π΅Π²Π΅Ρ€ΠΎ-Π—Π°Π±Π°ΠΉΠΊΠ°Π»ΡŒΡΠΊΠΎΠ³ΠΎ Π·ΠΎΠ»ΠΎΡ‚ΠΎΡ€ΡƒΠ΄Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΉΠΎΠ½Π°

    О возмоТности использования ΠΈΠ½Π΄ΡƒΠΊΡ‚ΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€ΠΎΠ½Π° для Π·Π°Ρ‰ΠΈΡ‚Ρ‹ ΠΎΡ‚ Π·Π°ΠΌΡ‹ΠΊΠ°Π½ΠΈΠΉ Π½Π° зСмлю Π² сСтях с ΠΈΠ·ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ Π½Π΅ΠΉΡ‚Ρ€Π°Π»ΡŒΡŽ

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    Показана Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒ использования ΠΈΠ½Π΄ΡƒΠΊΡ‚ΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€ΠΎΠ½Π° ΠΊΠ°ΠΊ Ρ€Π΅Π°Π³ΠΈΡ€ΡƒΡŽΡ‰Π΅Π³ΠΎ ΠΎΡ€Π³Π°Π½Π° Π² Π·Π°Ρ‰ΠΈΡ‚Π°Ρ… ΠΎΡ‚ Π·Π°ΠΌΡ‹ΠΊΠ°Π½ΠΈΠΉ Π½Π° зСмлю Π² сСтях с ΠΈΠ·ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ Π½Π΅ΠΉΡ‚Ρ€Π°Π»ΡŒΡŽ. Π—Π°Ρ‰ΠΈΡ‚Π° с ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€ΠΎΠ½ΠΎΠΌ являСтся сСлСктивной ΠΈ Ρ€Π°Π²Π½ΠΎΡ‡ΡƒΠ²ΡΡ‚Π²ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠΉ, ΠΎΠ±Π»Π°Π΄Π°Π΅Ρ‚ достаточной Ρ‡ΡƒΠ²ΡΡ‚Π²ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΡΡ‚ΡŒΡŽ

    Compression methods for graph algorithms

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    Two compression methods for representing graphs are presented, in conjunction with algorithms applying these methods. A decomposition technique for networks that can be generated in O(m) time is presented. The components of the decomposition and the shortest path matrix of the compressed network can be used to find the shortest path between any pair of vertices in the original network in linear time. A compression method for boolean matrices and a method for applying the compression to boolean matrix multiplication is developed. The algorithms have an expected running time of O(nΒ²*log β‚‚n). From this compression method a simple heuristic that may be applied to any algorithm for boolean matrix multiplication has been developed. This heuristic will improve the average running time of boolean matrix multiplication algorithms. An order of magnitude analysis of the results published by Loukakis and Tsouris [1981], on the efficiency of algorithms for finding all maximal independent sets of a graph has been performed. This analysis showed that their conclusions, which are based on a direct comparison of the running times of the algorithms, do not take into account implementation factors. An average constant factor improvement is developed for the algorithm of Tsukiyama, Ide, Ariyoshi and Shirakawa [1977] for finding all maximal independent sets of a graph. Analysis of the running time results from the algorithm comparisons presented in this thesis show that the Bron-Kerbosch algorithm has the smallest rate of increase in running time as the size of the graphs increase

    ВлияниС Π»ΠΎΠΌΠ±Π°Ρ€Π΄Π½ΠΎΠΉ индустрии Π½Π° Ρ€Ρ‹Π½ΠΎΠΊ ΠΏΠΎΡ‚Ρ€Π΅Π±ΠΈΡ‚Π΅Π»ΡŒΡΠΊΠΎΠ³ΠΎ крСдитования Π² условиях финансового кризиса

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    Π”Π΅Ρ‚Π°Π»ΡŒΠ½ΠΎ ΠΈΠ·ΡƒΡ‡Π΅Π½ΠΎ состояниС Π»ΠΎΠΌΠ±Π°Ρ€Π΄Π½ΠΎΠΉ индустрии Π² России. ΠŸΡ€ΠΎΠ²Π΅Π΄Π΅Π½Π° ΡΡ€Π°Π²Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Π°Ρ характСристика Π»ΠΎΠΌΠ±Π°Ρ€Π΄Π½ΠΎΠ³ΠΎ ΠΈ банковского ΠΏΠΎΡ‚Ρ€Π΅Π±ΠΈΡ‚Π΅Π»ΡŒΡΠΊΠΎΠ³ΠΎ ΠΊΡ€Π΅Π΄ΠΈΡ‚Π° Π² ΠΏΠ΅Ρ€ΠΈΠΎΠ΄ финансового кризиса, выявлСны прСимущСства ΠΈ нСдостатки Π»ΠΎΠΌΠ±Π°Ρ€Π΄Π½ΠΎΠ³ΠΎ крСдитования. Показано, Ρ‡Ρ‚ΠΎ Π»ΠΎΠΌΠ±Π°Ρ€Π΄Ρ‹ Π·Π½Π°Ρ‡ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎ Π²Π»ΠΈΡΡŽΡ‚ Π½Π° Ρ€Ρ‹Π½ΠΎΠΊ ΠΏΠΎΡ‚Ρ€Π΅Π±ΠΈΡ‚Π΅Π»ΡŒΡΠΊΠΎΠ³ΠΎ крСдитования ΠΈ ΡΠΎΡΡ‚Π°Π²Π»ΡΡŽΡ‚ ΡΡƒΡ‰Π΅ΡΡ‚Π²Π΅Π½Π½ΡƒΡŽ ΠΊΠΎΠ½ΠΊΡƒΡ€Π΅Π½Ρ†ΠΈΡŽ коммСрчСским Π±Π°Π½ΠΊΠ°ΠΌ. Обоснована Π²ΠΎΠ·Ρ€ΠΎΡΡˆΠ°Ρ Ρ€ΠΎΠ»ΡŒ Π»ΠΎΠΌΠ±Π°Ρ€Π΄ΠΎΠ² ΠΊΠ°ΠΊ ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… стабилизаторов

    Estimation Of Multiple Local Orientations In Image Signals

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    Local orientation estimation can be posed as the problem of finding the minimum grey level variance axis within a local neighbourhood. In 2D image signals, this corresponds to the eigensystem analysis of a 22-tensor, which yields valid results for single orientations. We describe extensions to multiple overlaid orientations, which may be caused by transparent objects, crossings, bifurcations, corners etc. Multiple orientation detection is based on the eigensystem analysis of an appropriately extended tensor, yielding so-called mixed orientation parameters. These mixed orientation parameters can be regarded as another tensor built from the sought individual orientation parameters. We show how the mixed orientation tensor can be decomposed into the individual orientations by finding the roots of a polynomial. Applications are, e.g., in directional filtering and interpolation, feature extraction for corners or crossings, and signal separation
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