a motivated derivational word is a word that its meaning is the result of the meaning of word stem and derivational affixes. in this paper, the hypothesis is tested that by the passage fo time,motivation would be reduced and for this purpose, four itinerary passages from present and four equal passages from 200 years before are chose to understand ,under comparisons and statistical consideratio...

some organic molecules can be isomerized upon photoirradiation and when accompanied by a change in the visible absorption spectrum, it is called photochromism. azobenzenes are important part of molecular machines and nanotechnology, which are this phenomenon is called photoisomerization azobenzene (azo) chromophores , and have been incorporated into a wide variety of materials and molecular arc...

A recent study has shown that respiratory structures are disproportionately oversized in larger insects, and that oxygen supply to leg muscles may be physically constrained in the largest modern insects. High oxygen concentrations during the Carboniferous may have alleviated these physical constraints allowing the evolution of gigantic arthropods.

"Intraprofessional Team BUilding" in the September 1987 issue (pp. 576582) was a pertinent and stimulating article ro me. Our Psychosocial Occupational Therapy Department at Christ Hospital and Medical Center consists of seven occu pational therapists (OTRs) and nine occupational therapy assistants (COTAs) who work together on occupational therapy teams. A typical team includes one therapist as...

the coalition between terms and their meaning can be as the result of phonological repetition in its speech structure and specific semantic load. this can lead to meaning distinction in choosing words and also meaning association. therefore, literally and syntactically, the phonological level cannot be separated from semantic level. earlier, the phonological association in text has been discuss...

The cortical column has been an invaluable concept to explain the functional organization of the neocortex. While this idea was born out of experiments that cleverly combined electrophysiological recordings with anatomy, no one has 'seen' the anatomy of a column. All we know is that when we record through the cortex of primates, ungulates, and carnivores in a trajectory perpendicular to its sur...