نتایج جستجو برای: land leveling
تعداد نتایج: 120708 فیلتر نتایج به سال:
Infiltration phenomenon, has a direct impact on rainwater harvesting in fields under irrigation. In order to solve this problem (reduced infiltration and increased runoff), a few strategies can be suggested. Taking long-term decision for increasing the efficiency of irrigation should be strongly suggested. At the same time, ways in which customized irrigation is optimized must be studied. An ol...
Current mechanical, laser and electronic leveling instruments are sometimes not accurate enough to be used for determining either vertical or horizontal level for level-critical applications. By using an ultrasonic echolocation-based distance meter it is possible to design very accurate leveling instruments for a wide range of applications. This article overviews the accuracy of current levelin...
The application of conventional leveling approaches is limited to large scale production. This paper presents a systematic procedure for leveling of low volume and high mix production. It employs clustering techniques to group product types into product families. After that, a family-based leveling pattern is created which describes a repetitive sequence of capacity slots considering all famili...
Focused on revealing variations of dynamic characteristics of an auto-leveling system used in mobile elevating work platforms (MEWP) at large height, a unified mathematical model composited of a series of sub-models was built for the leveling systems. An effect on dynamic characteristics including the fast response and relative stability from varying-parameters was investigated. Results display...
It is well known that the most accurate method to detect changes of height is the geodetic precise leveling method. Due to the high demand work and time needed for precise leveling alternative methods are studied to obtain high quality height information. Differential SAR interferometry techniques such as the Persistent Scatterer Interferometry (PSI) method are studied to detect millimeter leve...
Leveling is a mechanism that restores or imposes uniformity on paradigms, thereby upholding the principle “one meaning one form” (Humboldt’s Universal). In a set of inflectionally-related forms, the shared element is the verb stem, whose meaning is constant across all forms. The principle of onemeaning-one-form is contravened whenever a stem alternation arises as the result of a phonological pr...
Phase Change Memory (PCM) may become a viable alternative for the design of main memory systems in the next few years. However PCM suffers from limited write endurance. Therefore future adoption of PCM as a technology for main memory will depend on the availability of practical solutions for wear leveling that avoids uneven usage especially in the presence of potentially malicious users. First ...
Vertical geodesy is undergoing a revolution because of two factors. First, new precise three-dimensional position measurement techniques used over very long distances and based on extraterrestrial reference systems provide a new class and precision of geometric data previously unavailable for geophysical investigations. Second, physical models in tectonic theory for large earthquakes predict cr...
Flash memory has now become a crucial component in building Linux-based embedded computers. As the overall flash-memory lifetime is concerned with block endurance, wear leveling is needed to evenly erase all blocks. This paper presents a modularized implementation of a wear-leveling algorithm. Our goal is to instantly enable any existing Linux-based flash file systems the ability of wear leveli...
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