نتایج جستجو برای: length of jump
تعداد نتایج: 21175740 فیلتر نتایج به سال:
Shock waves in molecular clouds should evolve into continuous or C-type structures due to the magnetic field and ion-neutral friction. We here determine whether and how this is achieved through plane-parallel numerical simulations using an extended version of ZEUS. We first describe and test the adapted code against analytical results, laying the necessary foundations for subsequent works on su...
In turbulent free-shear flows, layers of intense shear bound regions nearly uniform momentum. The thickness these scales as the Kolmogorov length scale and velocity across presents a jump approximately 10% characteristic large-scale flow. shear, rotation dominates, whereas in scalar gradient, strain is prevalent.
Hydraulic jump used to dissipate excessive kinetic energy in natural water ways since the down of time. Screens fixed stilling basin control hydraulic location, depth and length from four decades ago. In this study, screens with a constant height different widths same screen relative area (Ar=0.285) were located behind gate at distance 10 cm tested under wide variance conditions submerged jump....
the purpose of this study was to determine the intensity influence of perform one set half squat on vertical jump performance and muscle electrical activity in adolescent athletes. the subjects were 12 adolescent boys athletes. the subjects performed one set of dynamic half-squat using low and high intensities (li= low intensity with 40% 1rm, hi= high intensity with 80% 1rm), and a control (c) ...
Jump Point Search, an algorithm developed for fast search on uniform cost grids, has successfully improved the performance of grid-based search. But, the approach itself is actually a set of diverse ideas applied together. This paper decomposes the algorithm and gradually re-constructs it, showing the component pieces from which the algorithm is constructed. In this process, we are able to defi...
A strategy commonly observed in Internet auctions is that of “jump bidding,” or entering a bid larger than what is necessary to be a currently winning bidder. In this paper, we argue that the cost associated with entering online bids and the uncertainty about future entry—both of which distinguish Internet from live auctions—can explain this behavior. We present a simple theoretical model that ...
Jump bidding is a commonly observed phenomenon that involves bidders in ascending auctions submitting bids higher than required by the auctioneer. Such behavior is typically explained as due to irrationality or to bidders signaling their value. We present field data that suggests such explanations are unsatisfactory and construct an alternative model in which jump bidding occurs due to strategi...
The purpose of this study was to evaluate the effect of eight weeks strength and plyometric trainings on knee joint position sense. In this study, 45 male students (21.7±2.17years, weight 69.7±7.89 kg, and height 177.2±5.83cm) volunteered and selected as subjects to participate in this semi-empirical study. Subjects divided in three groups include strength (n=15), plyometric (n=15) and cont...
The aim of this study was to investigate the effect of 6 wk of whole body vibration (WBV) training on sprint running kinematics and explosive strength performance. Twenty-four volunteers (12 women and 12 men) participated in the study and were randomised (n = 12) into the experimental and control groups. The WBV group performed a 6-wk program (16-30 min·d(-1), 3 times a week) on a vibration pla...
In order to interpret recent experimental studies of the dependence of conductance of ds-DNA as the DNA is pulled from the 3'end1-3'end2 ends, which find a sharp conductance jump for a very short (4.5%) stretching length, we carried out multiscale modeling to predict the conductance of dsDNA as it is mechanically stretched to promote various structural polymorphisms. We calculate the current al...
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