نتایج جستجو برای: five statistical indices including model efficiency ef
تعداد نتایج: 3749850 فیلتر نتایج به سال:
We integrated recent research on cardinal temperatures for phenology and early leaf growth, spikelet formation, early morning flowering, transpirational cooling, and heat- and cold-induced sterility into an existing to crop growth model ORYZA2000. We compared for an arid environment observed potential yields with yields simulated with default ORYZA2000, with modified subversions of ORYZA2000 an...
Elongation factor G (EF-G) from Escherichia coli is a large, five-domain GTPase that promotes tRNA translocation on the ribosome. Full activity requires GTP hydrolysis, suggesting that a conformational change of the factor is important for function. To restrict the intramolecular mobility, two cysteine residues were engineered into domains 1 and 5 of EF-G that spontaneously formed a disulfide c...
The prognostic value of the left ventricular ejection fraction(EF) was compared to that of other commonly used indices--severity of coronary artery disease, left ventricular end-diastolic pressure, cardiac index, and abnormal ECG--in 144 patients with coronary artery disease followed for an average of 14 months on medical management. During this period, 14 patients (10%) died. Analysis of the m...
BACKGROUND Assessment of left ventricular systolic function is necessary during trastuzumab-based chemotherapy because of potential cardiotoxicity. Deformation indices have been proposed as an adjunct to clinical risk factors and ejection fraction (EF), but the optimal parameter and optimal cutoffs are undefined. The aim of this study was to determine the best means of early detection of subseq...
OBJECT The authors investigated whether quantified shape or size indices could better discriminate between ruptured and unruptured aneurysms. METHODS Several custom algorithms were created to quantifiy the size and shape indices of intracranial aneurysms by using three-dimensional computerized tomography angiography models of the brain vasculature. Data from 27 patients with ruptured or unrup...
The application of recycled aggregate as a sustainable material in construction projects is considered promising approach to decrease the carbon footprint concrete structures. Prediction compressive strength (CS) environmentally friendly (EF) containing important for understanding structures’ behaviour. In this research, capability deep learning neural network (DLNN) examined on simulation CS E...
The lethal toxin (LT) of Bacillus anthracis, composed of the protective antigen (PA) and the lethal factor (LF), plays an essential role in anthrax pathogenesis. PA also interacts with the edema factor (EF, 20% identity with LF) to form the edema toxin (ET), which has a lesser role in anthrax pathogenesis. The first recombinant antibody fragment directed against LF was scFv 2LF; it neutralizes ...
This paper describes the development and validation of a new model and questionnaire to measure Iranian English as a foreign language learners’ attitudes towards the use of native versus non-native English language norms. Based on a comprehensive review of the related literature and interviews with domain experts, five factors were identified. A draft version of a questionnaire based on those f...
Hierarchical quantitative structure-activity relationships (H-QSAR) have been developed as a new approach in constructing models for estimating physicochemical, biomedicinal, and toxicological properties of interest. This approach uses increasingly more complex molecular descriptors in a graduated approach to model building. In this study, statistical and neural network methods have been applie...
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