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تعداد نتایج: 16831124 فیلتر نتایج به سال:
in the new age, in regard to human success in education in the globalizing world, one can consider english proficiency and individual differences as two important issues. in efl settings, reading skill plays an important role in education. it seems that using multiple intelligences theory in efl classes which values individual differences by tapping different intelligences, can be rewarding. as...
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
as far as bandura’s (1977) conceptualization of the sense of self-efficacy is concerned, it is argued to be context- and even task-specific, compared to other concepts like self-esteem (brown, 2000); therefore, upon the previous research studies, related theories and definitions, and the ideas and views obtained from the interviews conducted with the scholars, the current research study aimed a...
building on previous studies on the effectiveness of different types of written corrective feedback, the present study aimed at investigating whether direct focused corrective feedback and direct unfocused corrective feedback produced any differential effects on the accurate use of english articles by efl learners across two different proficiency levels (low and high). in current study, the par...
insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
After publication of this work [1], we noted errors in grant funding acknowledged. NIEHS R01 HD31544 is an incorrect number and should be replaced with NIEHS R01 ES013527; NIEHS 1P01 ES02284401 contains a typo and should be changed to NIEHS P01 ES022841. Finally, USEPA P20 STAR RD83467801 and RD 83543601 are inconsistent with grant numbers listed in the U.S. Environmental Protection Agency’s da...
Background and aims: Recently, there is an increasing concern about the quality of breath air in cabins of public transportation system. Present study measured the driver’s occupational exposure of BTEX as the most important and toxic group of VOCs in cabins of Tehran bus rapid transit (BRT) system. Methods: NIOSH 1501 was used for sampling and analyzing. Samples were extracted by CS2 and anal...
Safe discharge of untreated wastewater and scarcity water is still a burning issue facing mankind today. The current study was carried out to analyze the concentration heavy metals in drinking sources from some selected districts Michika, Nigeria. Atomic Absorption Spectrophotometer (AAS) used analysis samples boreholes wells. respective mean for borehole well 0.0286 0.0209 Nickel, 0.2051 0.397...
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
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