بدائل البحث:
meter » peter (توسيع البحث)
amir » samir (توسيع البحث), air (توسيع البحث), amin (توسيع البحث)
meter » peter (توسيع البحث)
amir » samir (توسيع البحث), air (توسيع البحث), amin (توسيع البحث)
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Solar water heating in Lebanon
منشور في 2006"…Simplified initial estimates indicate a payback period of 4–5 years while advanced mathematical models (RETScreen) indicate that the most advanced evacuated tube technology has a payback period of less than 9 years at current market prices. With decreasing cost per square meter of installed collectors, payback periods are expected to rapidly decrease. …"
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Artificial neural network algorithms. (c1999)
منشور في 1999احصل على النص الكامل
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masterThesis -
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Tabu search based circuit optimization
منشور في 1998"…Such a strategy leads to sizable circuit speed improvement with minimum increase in the overall circuit capacitance. Compared to earlier approaches, the presented technique produces circuits with remarkable increase in speed (greater than 20%) for very small increase in overall circuit capacitance (less than 3%)…"
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A Comprehensive Method of Ion Exchange Resins Regeneration and Its Optimization for Water Treatment
منشور في 2020"…The strong acidic cation polymeric exchanger resin is commercially called MERCK 104765 cation exchanger IV with capacity greater than 3.2 mmol/ml, while the strong basic anion polymeric exchanger resin is commercially called MERCK 104767 anion exchanger III with capacities greater than 1.0 mmol/ml. …"
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The distribution of toxic sources in Louisiana
منشور في 1993"…Furthermore, the greater the percentage of blacks in a community, the greater the reductions in discharges. …"
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masterThesis -
32
Trends and levels of the global, regional, and national burden of appendicitis between 1990 and 2021: findings from the Global Burden of Disease Study 2021
منشور في 2024"…Although the global age-standardised incidence rate of appendicitis has steadily decreased between 1990 and 2021, almost half of GBD regions saw an increase of greater than 10% in their age-standardised incidence rates. …"
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Prevalence and attributable health burden of chronic respiratory diseases, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017
منشور في 2020"…Deaths due to chronic respiratory diseases numbered 3 914 196 (95% UI 3 790 578–4 044 819) in 2017, an increase of 18·0% since 1990, while total DALYs increased by 13·3%. …"
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Colloid retention and mobilization mechanisms under different physicochemical conditions in porous media: A micromodel study
منشور في 2021"…However, for hydrophobic colloids, changes in solution chemistry significantly increase colloid retention where the colloid interaction become attractive with the increase in ionic strength and decrease in pH values. …"
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The Effects of New Public Management on Managers’ Work-Life Balance and Behavior
منشور في 2020"…It was found that the public sector has shifted its framework towards greater customer satisfaction, which has led to an increase in the workload of the managers. …"
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