نتایج جستجو برای: data collected for 133 indices
تعداد نتایج: 10948569 فیلتر نتایج به سال:
writing an academic article requires the researchers to provide support for their works by learning how to cite the works of others. various studies regarding the analysis of citation in m.a theses have been done, while little work has been done on comparison of citations among elt scopus journal articles, and so the dearth of research in this area demands for further investigation into citatio...
Bitmap indices have been successfully used in scientific databases and data warehouses. Run-length encoding is commonly used to generate smaller size bitmaps that do not require explicit decompression for query processing. For static data sets, compression is shown to be greatly improved by data reordering techniques that generate longer and fewer runs. However, these data reorganization method...
this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...
The main purpose of this research is to classification the rangeland sites of Verbascum songaricum schrenk and determine qualitative indices of the species which can separate this sites by cluster analysis. In this study, species were collected from 5 of its settlements, Howz Vally, Gahiz, Semeiroom entrance and Ghadam palace in Isfahan province as well as Dena place in Kohgiloye – Boyer Ahmad ...
Objective: To determine secondary preventive treatment and habits among patients with coronary heart disease in general practice. Design: Process of care data on a random sample of patients were collected from medical records. Health and lifestyle data were collected by postal questionnaire (response rate 71%). Setting: Stratified, random sample of general practices in Grampian. Subjects: 1921 ...
This paper studies the index system of land parcel generalization which is crucial in land use data generalization. We discuss the macro and micro indices of land use data generalization with consideration of spatial scales and landscape pattern. To quantitatively relate the indices and scale and landscape pattern metrics, land use data samples have been collected at multiple spatial scales in ...
Experimental and theoretical studies of HXeI and HXeH molecules in Ar, Kr, and Xe matrices are presented. HXeI exhibits the H-Xe stretching bands at 1238.0 and 1239.0 cm(-1) in Ar and Kr matrices, respectively, that are blue-shifted from the HXeI band observed in a Xe matrix (1193 cm(-1)) by 45 and 46 cm(-1). These shifts are larger than those observed previously for HXeCl (27 and 16 cm(-1)) an...
Cluster analysis is used to explore structure in unlabeled data sets in a wide range of applications. An important part of cluster analysis is validating the quality of computationally obtained clusters. A large number of different internal indices have been developed for validation in the offline setting. However, this concept has not been extended to the online setting. A key challenge is to ...
Background: This study was conducted to observe the effects on cord blood CBC parameters of newborns of delivery routes (by spontaneous vaginal and caesarean section), maternal age and parity in our setup. Methods: This is a cross-sectional study based on cord blood sample of 404 newborns (271 delivered by spontaneous vaginally and 133 by elective caesarean section), and their mothers from July...
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