نتایج جستجو برای: 25 years performed in
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A review at the time of publication predicted that "Even if no single one of Marr's detailed hypotheses ultimately survives...[his] lifework will have been vindicated when neuroscientists cannot understand how it was ever possible to doubt the validity of his theoretical maxims." 25 years on, most would agree that Marr's recipe for investigating human vision and, in particular, his strategy of ...
AFTER I WAS CALLED UPON IN 2010, AS DIRECTOR OF THE U.S. GEOLOGICAL SURVEY, TO HELP WITH well control and fl ow estimation for the Deepwater Horizon (DWH) oil spill, I reviewed what had been learned from the Exxon Valdez (EV) oil spill. Although EV and DWH differed in their spill characteristics and impacts, I suspected that insight gained in the decades since EV could help guide how to best in...
abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...
type text or a website address or translate a document. abstract liquidity is considered the most important aspect of the development of stock markets. the main objective of this study was to evaluate the effect of the quality of financial information provided to replace its financial statements nmvdh and shrkt hayy that the liquidity of the shares on the tehran stock exchange is between the ...
the application of a comprehensive model of communicative language ability (cla) to language teaching and testing has always been an imperative in l2 education since hymess proposal of communicative competence in the 1970s. recent l2 research has clearly underscored the importance of sufficient pragmatics representation as an essential component of cla in pedagogical and testing practices in l2...
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
In an article published 25 years ago in the first volume of the Journal of Andrology (Bartke et al, 1980), we reported evidence of involvement of prolactin (PRL) in the control of testicular growth in the golden hamster. In this seasonally breeding species, testes undergo regression in the fall and recover their size and activity the following spring. PRL-secreting transplants of anterior pitui...
Spreadsheets made their first appearance for personal computers in 1979 in the form of VisiCalc, an application designed to help with accounting tasks. Since that time, the diversity of applications of the spreadsheet program is evidenced by its continual reappearance in scholarly journals. Nowhere is its application becoming more marked than in the field of education. From primary to tertiary ...
Only five years after the initiation of transgenic research in plants, gene targeting (GT) was achieved for the first time in tobacco. Unfortunately, the frequency of targeted integration via homologous recombination (HR) was so low in comparison to random integration that GT could not be established as a feasible technique in higher plants. It took another 25 years and great effort to develop ...
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