نتایج جستجو برای: linear no threshold relationship lnt
تعداد نتایج: 4103903 فیلتر نتایج به سال:
Cancer risk assessment for TCDD and other compounds must focus on the cancer dose-response relationship and corresponding potency for the range of human doses before it can have relevance to the human exposure environment. Major differences of opinion exist over whether the dose-response curve for TCDD and other dioxin congeners is non-linear (incorporating a threshold dose region below which t...
A mathematical model that expresses the relationship between Near-infrared light intensity and automatic threshold for automatic kiwifruit surface defect detection was established. By applying different levels of Near-infrared light intensity to machine vision system, 268 images were collected. Then the images were processed with MATLAB using the method to detect kiwifruit defects based on Near...
The relationship between exposure to low doses of ionizing radiation (<100 mSv) and the risk of leukemia has perplexed researchers for decades. The recent accident in Fukushima, Japan has led to a renewed interest in better understanding this relationship, which has significant implications for government-outlined safety procedures for individuals working in occupations, such as the nuclear ind...
METHODS: The results of LNT for LEL were compared between the conventional single LNT group (control group; n = 21 limbs), the multiple LNFs group (n = 13), and the prefabricated lympho-venous shunt group (n = 13) in terms of volume improvement (the LEL index), lymphoscintigraphy findings, and the rate of functional survival and lymph node sizes (evaluated using ultrasonography) at 6 months aft...
METHODS: The results of LNT for LEL were compared between the conventional single LNT group (control group; n = 21 limbs), the multiple LNFs group (n = 13), and the prefabricated lympho-venous shunt group (n = 13) in terms of volume improvement (the LEL index), lymphoscintigraphy findings, and the rate of functional survival and lymph node sizes (evaluated using ultrasonography) at 6 months aft...
educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...
non-linear time series models have become fashionable tools to describe and forecast stock market returns in recent years. a significant amount of evidence supports a negative relationship between volume and future returns. this suggests that volume could act as a suitable threshold variable in lstar and tar models. in this research, we compared the forecasting ability of lsatr and tar models w...
The abatement of the pollutants deriving from diesel engines in vehicle sector still represents an interesting scientific and technological challenge due to increasingly limiting regulations. Meeting stringent limits NOx soot emissions requires a catalytic system with great complexity, size units, number as well increased fuel consumption. Thus, after-treatment device for use integrated catalys...
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