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تعداد نتایج: 6003281 فیلتر نتایج به سال:
Full characterization of fullerenol C60(OH)24 by HPLC ESI-MS in negative and positive ionization modes was achieved. Fragmentor voltage and capillary voltage were optimized in order to obtain a good signal stability and the best peak intensity distribution for the fullerenol C60(OH)24 in both negative and positive modes. While the predominant base peak observed for C60(OH)24 in the negative ion...
hydatidosis is a disease caused by infection with the metacestode stage of the dog tapeworm,echinococcus granulosus. this is recognised as one of the world’s most important zoonoses, affecting bothhumans and their domestic animals. in the current study, 20 sheep cystic livers or lungs were collected.hydatid fluid and protoscolices were isolated and the soluble protein was prepared. polypeptide ...
background spoilage of tea (camellia sinensis) is often accompanied by contamination and formation of mycotoxins, which are toxic secondary metabolites produced by specific tea-borne fungi. objectives the purposes of this study were to isolate aspergillus flora in the air from tea gardens and factories in gilan and mazandaran provinces, in northern iran, and to determine their protein patterns....
Abstract We analyzed Cassini data to derive the nature and evolution of circumglobal annuli observed in stratosphere Titan, Saturn's largest moon. The were between 2004 2017 acquired by Visual Infrared Mapping Spectrometer on board spacecraft. a north polar annulus, an equatorial several secondary annuli. Pre-Cassini telescopic observations Hubble Space Telescope Keck reported atmospheric featu...
We resolved the controversial assignments of the visible vibronic bands observed from corona discharge of 1,2,3-trimethylbenzene. The vibronic bands belonging to the jet-cooled 2,6-dimethylbenzyl radical were clearly identified from the spectrum observed from corona discharge of 2,6-dimethylbenzyl chloride. After subtracting the bands of the 2,6-isomer from the spectrum observed from corona dis...
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
Pistachio is one of the most important agricultural products that have always been associated with Iran, and its production has a long historical background in our country. In this research, protein patterns of 10 cultivars of Pistacia vera L. were compared in which cultivars grown in normal conditions where compared with cultivars grown in salinity and water shortage to determine diversity. Fo...
Pediatric Rheumatology took birth in India with the formation of an interest group of the Indian Academy of Pediatrics and the first conference in 2001 in Mumbai. Now 11 conferences old, it has about 200 members and 12 centers offering part time or whole time care. With a population of over 1000 million, it may be extrapolated from Western data that India should have at least 400000 children wi...
Dyadic scheme of wavelet signal decomposition leads to a specific division of frequency bands. It is comparable to mel-frequency division and may be used in effective parameterization of speech signal in recognition systems, speech coding or other speech signal based applications. This paper discusses efficiency of different spectral distance measures applied to wavelet-parameterized speech. Th...
Assessment of genetic diversity is important step for exploitation from plant material in breeding programs. In this study, genetic diversity of 55 barley lines evaluated using SSR markers and also microsatellite markers were used to identify informative markers associated with phonological and yield traits related to drought escape including days to heading, grain filling period, days to physi...
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