نتایج جستجو برای: land leveling

تعداد نتایج: 120708  

2006
Francisco Ballestín Christoph Schwindt Jürgen Zimmermann

We consider the mid-term production planning problem in make-to-order production, which consists in scheduling production orders so that the variability in the resource utilization over time is minimized. The problem is modeled as a resource leveling project scheduling problem, where production orders for final products and main components correspond to activities of a project. We present a ne...

2017
Jiangtao Feng Qinhe Gao Xianxiang Huang Wenliang Guan

The moving process of a leveling and erecting mechanism is complicated, which involves six hydraulic cylinders. The research established mathematical model and optimized the moving process of the leveling and erecting mechanism. Kinematic analysis of the mechanism was accomplished. Mathematical model of the hydraulic system was established. Working scheme was designed consisting of workflow, tr...

2001
L. W. Schwartz R. R. Eley

A linear analysis, employing the lubrication approximation, is presented for the leveling history of a thin layer of Newtonian liquid. When the surface tension is taken to be constant, the classic result of Orchard is reproduced. As expected, the presence of surfactant, with resulting surface-tension-gradient forces, slows the rate of leveling of an initial train of periodic ripples. For very w...

Journal: :Physical review letters 2012
Sara L Cormier Joshua D McGraw Thomas Salez Elie Raphaël Kari Dalnoki-Veress

We present results on the leveling of polymer microdroplets on thin films prepared from the same material. In particular, we explore the crossover from a droplet spreading on an infinitesimally thin film (Tanner's law regime) to that of a droplet leveling on a film thicker than the droplet itself. In both regimes, the droplet's excess surface area decreases towards the equilibrium configuration...

2013
Yong Song Woomin Hwang Ki-Woong Park Kyu Ho Park

By microscopically observing widely used data files, we identified the considerable room for life time improvement in NAND flash memory, which is due to the discovery of a non-uniformity in bit-level data patterns. In an attempt to exploit the discovery, we propose a novel bit-level wear-leveling scheme. Instead of considering only the view of page-level or block-level, we incorporate the nonun...

2007
G. Sterbini J.-P. Koutchouk

The very high luminosity foreseen for the LHC luminosity upgrade entails in all cases a significant luminosity decrease during a few hours run. We present in this note a new method of luminosity leveling, based on the on-line adjustment of the crossing angle, while keeping the optics unchanged. It is implemented using the D0 dipole of a possible Early Separation Scheme and an orbit corrector. T...

Journal: :IEICE Transactions 2012
Wei-Neng Wang Kai Ni Jian-She Ma Zong-Chao Wang Yi Zhao Long-Fa Pan

The wear leveling is a critical factor which significantly impacts the lifetime and the performance of flash storage systems. To extend lifespan and reduce memory requirements, this paper proposed an efficient wear leveling without substantially increasing overhead and without modifying Flash Translation Layer (FTL) for huge-capacity flash storage systems, which is based on selective replacemen...

  Erosion is a surface-leveling phenomenon where thetransportof sediments from being washed off the land or by the force of gravity move from elevated areas. During different periods, in Iran, constantly flowing water has been affected by erosion. Thus it is important to address the erosionproblem. This research attempts to assess and identify the parameters affecting erosion in Haji Abad Wa...

Journal: :Dental press journal of orthodontics 2013
Alael Barreiro Fernandes de Paiva Lino Julio Wilson Vigorito

OBJECTIVE This study aimed at comparing the distocervical angulations of upper second molars crowns of groups with normal occlusion and with Angle Classes I and II malocclusions. Additionally, it aimed to analyze the changes occurring after alignment and leveling performed with MBT technique. METHODS The sample of normal occlusions comprised 32 lateral teleradiographs, while the sample of mal...

2012
Fu Hao Tang Laiying

To solve the quick and accurate level-adjusting problem in the process of spacecraft precise mating, automatic leveling and equalizing hoist device for spacecraft is developed. Based on lifting point adjustment by utilizing XY-workbench, the leveling and equalizing controller by a self-adaptive control algorithm is proposed. By simulation analysis and lifting test using engineering prototype, v...

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