نتایج جستجو برای: piles
تعداد نتایج: 3919 فیلتر نتایج به سال:
It is presented an optical fiber sensing system projected to operate in the demanding conditions associated with coal waste piles in combustion. Distributed temperature measurement and spot gas sensing are requirements for such a system. A field prototype has been installed and is continuously gathering data, which will input a geological model of the coal waste piles in combustion aiming to un...
The 2-player impartial game of Wythoff Nim is played on two piles of tokens. A move consists in removing any number of tokens from precisely one of the piles or the same number of tokens from both piles. The winner is the player who removes the last token. We study this game with a blocking maneuver, that is, for each move, before the next player moves the previous player may declare at most a ...
The aim of this work was to study the parameters of the composting process of organic wastes originated from mushroom production industry. To accomplish these objectives three piles (P1, P2 and P3) obtained with a spent mushroom substrate (SMS) with different proportions of wheat straw (WS) and urea were composted for 90 days in a static-pile system with continuous monitoring of the process. Sa...
scour around hydraulic structures is an inevitable phenomenon . recognition of this phenomenon and dealing with it is an issue considering which will ensure the project success . local scour at piers has been reported as the most important factor in the destruction of the bridges . the use of submerged and non-submerged piles is one of the scour control methods . submerged piles have been rarel...
Surgical innovation strives to address the perceived shortcomings and potential pitfalls associated with traditional therapeutic techniques. New devices are often recommended to patients on the basis of incomplete clinical datasets that highlight specifi c short-term gains over standard treatment but may not confi rm longterm benefi t. Enthusiasm for new technology in surgery should be balanced...
Rubble piles are a common feature of solar system bodies. They are composed of monolithic elements of ice or rock bound by gravity. Voids occupy a significant fraction of the volume of a rubble pile. They can exist up to pressure P ≈ ǫY μ, where ǫY is the monolithic material’s yield strain and μ its rigidity. At low P , contacts between neighboring elements are confined to a small fraction of t...
What’s a question to your answer? We will not settle this puzzle here, yet we’ll taste it. But let’s begin at the beginning, namely in 1907, when Willem Abraham Wythoff [7], a Dutch mathematician, invented the game we analyze here, explained vividly by Martin Gardner in [5]. The game is played with two piles of tokens, each pile containing an arbitrary number of tokens. A move consists of eithe...
Diffrents procds permettant la production embarque d'hydrogne pour vhicules lectriques piles combustible sont passs en revue. Les combustibles primaires suivants sont considrs : ammoniac, mthanol, thanol et hydrocarbures. Le craquage catalytique de l'ammoniac permet l'obtention d'un mlange 75 % d'hydrogne, exempt de CO2 et convenant donc sans purification ultrieure pour l'a...
The isolation of the vibration due to a harmonic vertical load using pile rows embedded in a saturated poroelastic half-space is investigated in this study. Using the fundamental solution for a circular patch load and Muki’s method, the second kind of Fredholm integral equations describing the dynamical interaction between the pile rows and the saturated poroelastic half-space are obtained. Num...
Moore’s generalization of the game of Nim is played as follows. Given two integer parameters n, k such that 1 ≤ k ≤ n, and n piles of tokens. Two players take turns. By one move a player reduces at least one and at most k piles. The player who makes the last move wins. The P-positions of this game were characterized by Moore in 1910 and an explicit formula for its Sprague-Grundy function was gi...
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