Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Earliness"”.
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Relation of germination to earliness in corn
no abstract provided by author
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Job shop scheduling to minimize work-in-process, earliness and tardiness costs
… related costs: Work in process (WIP) holding, earliness and tardiness cost.Schedule generation procedures including idle time insertion are studied to generate feasible schedule for JIT-JSP. A modified tabu search algorithm (MTS) is developed to improve the schedule quality by searching the …
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Dissecting Earliness per se and Photoperiod heading date effects in bread wheat (Triticum aestivum)
Vernalization, photoperiod and the poorly defined earliness per se (Eps) genes regulate flowering in plants. This thesis used elite hexaploid wheat varieties and focused on an Eps QTL on 1DL, and photoperiod QTLs on 1BL and 5AL short day QTL using doubled haploid (DH) populations. Four independent …
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Exact and Heuristic Algorithms for the Job Shop Scheduling Problem with Earliness and Tardiness Over a Common Due Date
… problem when the objective is to minimize both earliness and tardiness costs over a common due date. The objective function of minimizing earliness and tardiness costs captures the essence of the JIT approach in job shops. A dynamic programming procedure is developed to solve smaller instances …
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Earliness factors in Nordic spring barley (Hordeum vulgare L.) Detection of QTL for growth and development traits in a Golf x Tampar barley mapping population
… of the genetic factors underlying traits such as earliness of flowering, maturation and height is therefore valuable. In this study, a Golf x Tampar barley mapping population consisting of 66 double haploid (DH) and 112 single seed descent (SSD) lines was phenotyped for three years in the field, …
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Classification of Inbreds for Their Value in Improving Elite Maize Hybrids
… evaluated for grain yield, grain dry matter, earliness of flowering, total lodging, and plant and ear height at two locations in 1984 and 1985. Inbreds B73 and Mo17 crossed to the remaining 12 inbreds, B73 x Mo17, their F$\sb2$'s, and the inbreds per se were evaluated at two locations in 1986. …
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Cost-based shop control using artificial neural networks
… methodology that explicitly includes costs of earliness and tardiness directly in the forecast; these costs may differ in form and/or degree from each other. And third, the benefit of tying together the first and third stages of production control is explored. The studies are conducted by …
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Model-based Deployment Optimization of Automotive Multi- and Many-Core Systems
… attributes, such as a system’s minimum relative earliness by up to 78%, the average relative earliness by up to 92%, and individual reaction latencies by up to 94%.
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Planning for Army Force Generation Using Lot Streaming, and Extensions
… so as to minimize the total flow time as well as earliness and tardiness for regular Army units. Earliness and Tardiness are defined as the length of the time a soldier waits before and after the due date, respectively, of the BCT to which he or she is assigned. Our decomposition-based method …
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The permutation flowshop scheduling problem: analysis, solution procedures and problem extensions
… objectives (total tardiness, and total earliness and tardiness). 2. To analyse the influence of the processing times and due dates of the jobs on the PFSP. 3. To provide schedulers with faster and more efficient heuristics and metaheuristics to solve the PFSP for makespan, total …
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Random Keys Genetic Algorithms Scheduling and Rescheduling Systems for Common Production Systems
… objective functions such as the Total Earliness and Tardiness.</p> <p>To deal with the rescheduling problem, and using as a basis the same RKGA, a reactive Rescheduling system capable of repairing initial schedules after the occurrence of unexpected events is introduced. The reactive …
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Derivation, fertility and breeding value of doubled monoploids from the diploid potato species, Solanum phureja
… conditions. Monoploids varied for frequency and earliness of shoot regeneration, number of shoots formed per explant and frequency of chromosome doubling among regenerated shoots. Regeneration was greater when stock plantlets were frequently subcultured (2- or 4-week intervals) and maintained …
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Domestic service : changing relations of class domination 1841-1948 : a focus on Cape Town
… via domestic service, class position and the earliness of their incorporation into wage labour allowed many groups to move on to other types of employment. Those who predominated in domestic service were the most disadvantaged by their class, colour and gender. It was because of a demand for …
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Application of genetic algorithms for irrigation water scheduling
… This problem has an analogy with the classical earliness/tardiness machine scheduling problems in operations research (OR). In previous published work integer programme were used to solve such problems; however, such scheduling problems belong to a class of combinatorial problems known to be …
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A Robust Reactive Scheduling System with Application to Parallel Machine Scheduling
… makespan, the jobs' completion times, jobs' earliness and tardiness, among others.</p> <p>Until very recently, research has concentrated on scenarios that assume a predefined schedule that is failure free. Initial schedules produced in advance are being followed hoping no delays will occur, …
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The influence of environment on certain constituents of quality and food value of hybrid sweet corn and field corn
… inches between plants in the row. Differences in earliness, yield, the weight of ears, and the number of ears per plot are found among the varieties studied. The number of shoots or tillers of Seneca Chief is higher than that of Northern Cross or Seneca Arrow; with increases in spacing the number …
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Effect of different production practices on the development of verticillium wilt and cotton fiber quality
… demonstrated. Results also indicated that the earliness increased with the aggravated wilt levels (<5% to ~100% defoliation). A decreasing trend for most fiber properties measured by HVI was associated with the increase of cohort numbers. The main yield contributing cohorts of 2 to 9 had longer …
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Valutazione dei Disturbi Neurocognitivi HIV Associati
… repeatability of results and detection earliness of the milder forms of HAND.
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