نتایج جستجو برای: 25 to 56o
تعداد نتایج: 10685162 فیلتر نتایج به سال:
Few areas of the world are as misunderstood as the tropics. The term itself is misused when scientists talk about “the tropics” as if they were one place, forgetting that “tropics” is plural and refers to diverse ecosystems. There is a popular impression—reinforced by travel posters and mass media—that tropical rainforests in particular are everywhere an interchangeable mass of tall trees fille...
Some new nitrogen bridge-head pyrido[1,2-b][1,2,4]triazepines incorporating 6methylchromone moiety have been synthesized from the reaction of 1,6-diamino-4-(6methyl-4-oxo-4H-chromen-3-yl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile (4) with some α,γ-bifunctional electrophiles including 2-cyano-3,3-bis(methylthio)acrylonitrile, 2cyano-3,3-bis(methylthio)prop-2-enamide, 5-chloro-3-methyl-1-pheny...
the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...
This document contains requirements for an interoperable public safety broadband communications nationwide network to serve all local, tribal, state, and federal first responder communications.
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید