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Search Results: 1 - 10 of 1312 matches for " Fatemeh Shaterian "
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Rate of validity, reliability and difficulty indices for teacher-designed exam questions in first year high school
Gholamreza Jandaghi,Fatemeh Shaterian
International Journal of Human Sciences , 2008,
Abstract: The purpose of the research is to determine high school teachers’ skill rate in designing exam questions in mathematics subject. The statistical population was all of mathematics exam shits for two semesters in one school year from which a sample of 364 exam shits was drawn using multistage cluster sampling. Two experts assessed the shits and by using appropriate indices and z-test and chi-squared test the analysis of the data was done. We found that the designed exams have suitable coefficients of validity and reliability. The level of difficulty of exams was high. No significant relationship was found between male and female teachers in terms of the coefficient of validity and reliability but a significant difference between the difficulty level in male and female teachers was found (P<.001). It means that female teachers had designed more difficult questions. We did not find any significant relationship between the teachers’ gender and the coefficient of discrimination of the exams.
VALIDITY, RELIABILITY AND DIFFICULTY INDICES FOR INSTRUCTOR-BUILT EXAM QUESTIONS
Gholamreza JANDAGHI,Fatemeh SHATERIAN
Journal of Applied Quantitative Methods , 2008,
Abstract: The purpose of the research is to determine college Instructor’s skill rate in designing exam questions in chemistry subject. The statistical population was all of chemistry exam sheets for two semesters in one academic year from which a sample of 364 exam sheets was drawn using multistage cluster sampling. Two experts assessed the sheets and by using appropriate indexes and z-test and chi-squared test the analysis of the data was done. We found that the designed exams have suitable coefficients of validity and reliability. The level of difficulty of exams was high. No significant relationship was found between male and female instructors in terms of the coefficient of validity and reliability but a significant difference between the difficulty level in male and female instructors was found(P<.001). It means that female instructors had designed more difficult questions. We did not find any significant relationship between the instructors’ gender and the coefficient of discrimination of the exams.
Ferric hydrogensulfate catalyzed synthesis of aryl 14H-dibenzo[a,j] xanthene derivatives under thermal and solvent-free conditions
Shaterian, Hamid Reza;Ghashang, Majid;
Journal of the Brazilian Chemical Society , 2008, DOI: 10.1590/S0103-50532008000500034
Abstract: ferric hydrogensulfate as catalyst has been used for the one-pot preparation of aryl 14h-dibenzo[a,j]xanthene derivatives by cyclocondensation of β-naphthol and substituted benzaldehydes under solvent-free and thermal conditions. this method has the advantages of high yields, a cleaner reaction, simple methodology, short reaction times, easy workup and greener conditions.
Silica-bondedpropylpiperazine-N-sulfamicacidasrecyclablesolidacidcatalystforpreparationof2-amino-3-cyano-4-aryl-5,10-dioxo-5,10-dihydro-4H-benzo[g]chromenesandhydroxy-substitutednaphthalene-1,4-dionederivatives
Fahime Khorami,Hamid Reza Shaterian
催化学报 , 2014, DOI: 10.1016/S1872-2067(12)60761-X
Abstract: ?Anefficientmethodforthesynthesisof2-amino-3-cyano-4-aryl-5,10-dioxo-5,10-dihydro-4H-benzo[g]chromenesandhydroxy-substitutednaphthalene-1,4-dionederivatives,usingsilica-bondedpropylpiperazine-N-sulfamicacidasasolidacid,green,heterogeneouscatalyst,underambientandsolvent-freeconditions,isdescribed.Asimpleprocedure,highyields,shortreactiontime,safety,andreusabilityofthecatalystareadvantagesoftheseprotocols.
Ionic-liquid-catalyzedgreensynthesisofcoumarinderivativesundersolvent-freeconditions
Hamid Reza Shaterian,Morteza Aghakhanizadeh
催化学报 , 2013, DOI: 10.1016/S1872-2067(12)60654-8
Abstract: ?Br?nstedacidicionicliquids,namely2-pyrrolidoniumhydrogensulfate,N-methyl-2-pyrrolidoniumhydrogensulfate,N-methyl-2-pyrrolidoniumdihydrogenphosphate,(4-sulfobutyl)tris(4-sulfophenyl)phosphoniumhydrogensulfate,andtriphenyl(propyl-3-sulfonyl)phosphoniumtoluenesulfonate,catalyzedefficientPechmanncondensationofphloroglucinolwithβ-ketoethyl/methylesters.5,7-Dihydroxy-4-methylcoumarinand5,7-dihydroxy-4-phenylcoumarinwerepreparedingoodtoexcellentyieldsundermild,ambient,andsolvent-freeconditions.Pyrano[2,3-h]coumarinswerethenpreparedbyone-potthree-componentreactionsof5,7-dihydroxy-4-subsitutedcoumarin,malononitrile,andaldehydesinthepresenceofcatalyticamountsofBr?nstedbasicionicliquids,namely2-hydroxyethylammoniumformate,3-hydroxypropanaminiumacetate,1-butyl-3-methylimidazoliumhydroxide,pyrrolidiniumformate,andpyrrolidiniumacetate,underthermalsolvent-freeconditions.Thecatalystsareenvironmentallybenignandcanbeeasilyprepared,stored,andrecoveredwithoutsignificantlossofactivity.
Measuring the degree of life quality satisfaction of old neighborhoods of Aran and Bidgol County
M. Shaterian,A. Oshnooi,M. Ganjipour
Regional and Urban Studies and Research , 2012,
Abstract: Extended abstract1-Introduction City growth and social-economical problems caused by industrial revolution and city revolution in the current century make the cities separated. The overgrowing of the cities has caused some problems such as over consuming the field, lack of enough facilities in cities, disconnection of cities. It also makes the old parts of the city ruined. As an environment for living, individuals in cities need to be supported by some standards which are called standards of life quality. In fact, studied by scientists in city science and other scientists in other different fields. life quality has a multi-dimensional and complicated conception which has been Old parts of thecity in Aran and Bidgol such as other cities of Iran are consisted of organic or natural structure with complicated system based on movement such as narrow passing ways.2- Theoretical bases “Residential Satisfactory theory is applied for becoming familiar with the structured characteristic of families and their residential structure which have some effects on their satisfaction. As residential satisfactory is part of general satisfactory in one’s life, it is the most important subject for studying. According to Closter, this concept is the “obvious gap between inhabitants needs and the real situation around them in their residential area . In other words, residential satisfactory means the experienced satisfaction of an individual or a member of a family from its residential area. This concept has multiple features and represents the satisfaction of the individual of their apartments, neighborhood and the area they live in and it is often used to evaluate their feelings of their apartments or houses they live in. Finally, this concept is a significant sign for their positive feelings toward their life quality. Evaluating the satisfaction rate of the residences is so sophisticated and depends on so many individual and non-individual factors.Life quality shows general socio-economical features of an environment in an area which can be used as a powerful mean to supervise and plan social improvement. In fact, this concept is also applied for evaluating the emotional and economical demands of families. Behavioral geography scientists believe that in cognitive plans, the upper socio-economical status has better imagination of cities and life areas; while those with low salary have limited plans and ideas for living. They also claim that socio-economical status such as age, gender, job, profession and level of education have impact on forming and imaging ideas in one’s m
A New and Efficient Method for the Synthesis of Pyrimido[2,1-b]Benzothiazole Derivatives  [PDF]
Fatemeh Chadegani, Fatemeh Darviche, Saeed Balalaie
International Journal of Organic Chemistry (IJOC) , 2012, DOI: 10.4236/ijoc.2012.21006
Abstract: The one-pot three-component reaction of 2-aminobenzothiazole, benzaldehyde derivatives and β-ketoester, β-diketone or malonate derivatives in solvent-free conditions provides the corresponding pyrimido [2,1-b] benzothiazole derivatives at 60?C in 60% - 72% yields without using any catalyst in an optimistic time.
QUALITY OF LIFE IN PATIENTS HOSPITALIZED WITH HEART FAILURE: A NOVEL TWO QUESTIONNAIRE STUDY
Z. N. Hatmi,M. Shaterian M. A. Kazemi
Acta Medica Iranica , 2007,
Abstract: Heart failure (HF) is a common disease with high health care costs and high mortality rate Knowledge of the health-related quality of life (QOL) outcomes of HF may guide decision making and be useful in assessing new therapies for population. Yet little is known about QOL of HF patients in Iran. Objectives: To assess health related QOL of patients with HF with two different instrument and to correlate these two measures and to assess the role of relevant factors. Analytic cross sectional study was conducted involving 230 adult patients hospitalized with HF, demographic data and health -related quality of life were determined by interview; for assessing of quality of life was used SF-36 and Minnesota questionnaires. Simple random sampling from ward patients list choose patients. Patients had no other man diseases that affected their quality of life. Results: 118 female (53.3%) and 112 male (48.7%) with mean age of 51.4 +/-13.18 were collected. 61 patients (26.5%) were smoker and 100 patients (43.5%) had positive familial hearth disease history. Quality of life in some subscale: Physical functioning, Role physical and vitality, and Minnesota scare affected from patients age. Male patients had better quality of life than female in Minnesota scale and physical functioning, body pain, general health, vitality and emotional well-being. Duration of diagnosis affected Minnesota scale and role physical. Positive familial heart disease history affected physical functioning. Iranian patients have worse quality of life than other patients. This shows patients age, sex, duration of diagnosis, smoking and positive familial hearth disease history affected quality of life in heart failure patients.
Computer-Assisted analysis of subcellular localization signals and post-translational modifications of human prion proteins  [PDF]
Fatemeh Moosawi, Hassan Mohabatkar
Journal of Biomedical Science and Engineering (JBiSE) , 2009, DOI: 10.4236/jbise.2009.21012
Abstract: In the present work, computational analyses were applied to study the subcellular localiza-tion and posttranslational modifications of hu-man prion proteins (PrPs). The tentative location of prion protein was determined to be in the nu-cleolus inside the nucleus by the following bio-informatics tools: Hum-PLoc, Euk-PLoc and Nuc-PLoc. Based on our results signal peptides with average of 22 base pairs in N-terminal were identified in human PrPs. This theoretical study demonstrates that PrP is post-translationally modified by: 1) attachment of two N-linked complex carbohydrate moieties (N181 and N197), 2) attachmet of glycosylphosphatidylinositol (GPI) at serine 230 and 3) formation of two di-sulfide bonds between “6–22” and “179–214” cysteines. Furthermore, ten protein kinase phosphorylation sites were predicted in human PrP. The above-noted phosphorylation was car-ried out by PKC and CK2. By using bioinfor-matics tools, we have shown that computation-ally human PrPs locate particularly into the nu-cleolus.
Antibiotic sensitivity pattern of common bacterial pathogens in NICU and neonatal ward in Hamedan province of Iran  [PDF]
Alireza Monsef, Fatemeh Eghbalian
Health (Health) , 2010, DOI: 10.4236/health.2010.26094
Abstract: Bacterial pathogens and drug resistance are different in hospitals of each country. In this study we determined bacterial path- ogens and drug sensitivity in the neonatal ward and neonatal intensive care unit (NICU) in Ekbatan hospital in Hamedan. This cross-sectional descriptive study was done on 1150 hospitalized neonates in neonatal and NICU wards of Ekbatan hospital of the Hamadan university of medical sciences from September 2004 to September 2006. Blood, cerebrospinal fluid (CSF), urine, stool, eye excretion, synovial fluid, umbilical secretion and ascitic fluid were evaluated. Positive cultures were evaluated for antibiotic resistance with disk diffusion test methed. All of the data in questionnaires was analyzed with SPSS 13. Cultures including blood, urine, CSF , stool, eye excretion, synovial fluid, umbilical secretion and ascitic fluid was done in 417 neonates (833 cultures). These cultures were including: urine, 323 cases (38.8%) blood 293 cases (35.2%), CSF 180 cases (21.6%) , stool 17 cases (2%), eye secretion 16 cases (1.9%) and other secretions (synovial, umbilical, etc) 4 cases (0.5%). The cultures were positive in 105 cases (25.2%). 60 male neonates (57.1%) and 45 female neonates (42.9%) were culture positive. The most common microorganisms were E coli 66.7% (70 cases), Klebsiella 10.5% (11 cases). Drug resistance was high in these microorganisms. The most common microorganisms were Ecoli and klebsiella. Drug resistance was high in the isolated microorganisms.
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