نتایج جستجو برای: 25 and 30 c
تعداد نتایج: 17072508 فیلتر نتایج به سال:
برهمکنش پورفیرازین کاتیونی تتراکیس(n,n,n,n -4,3-تتراپیریدینو) روی(ii) (zn(tmtppa))با پلی نوکلئوتیدهای سنتزی: poly[d(g-c)]2 و poly[d(a-t)]2 و dna غده تیموس گوساله در بافر فسفات 5/7 میلی مولار با ph 2/7 با استفاده از تکنیک های اسپکتروسکوپی جذب نوری و فلورسانس مطالعه شده است. کاهش جذب بیشتر از % 40 در طیف uv-vis پورفیرازین به دلیل برهمکنش با هر دو پلی نوکلئوتیدهای poly[d(g-c)]2 و poly[d(a-t)]2 م...
Vulcanodinium rugosum, a recently described species, produces pinnatoxins. The IFR-VRU-01 strain, isolated from a French Mediterranean lagoon in 2010 and identified as the causative dinoflagellate contaminating mussels in the Ingril Lagoon (French Mediterranean) with pinnatoxin-G, was grown in an enriched natural seawater medium. We tested the effect of temperature and salinity on growth, pinna...
Development, longevity, survivorship and fecundity of the alate and apterous forms of the turnip aphid, Lipaphis erysimi (Kaltenbach), were studied on cabbage under constant temperatures in the laboratory. The developmental durations for alate nymphs were 15.8, 9.5, 8.0 and 5.4 d at 15, 20, 25 and 30 ° C, respectively, and those for apterous nymphs were 13.9, 6.8, 6.1 and 5.0 d. Alate nymphs de...
the survival, growth, reproductive and life span characteristics of phallocryptus spinosa were studied at different temperatures in the laboratory. three replicates of 200 newly hatched nauplii were transferred to culture containers at 15, 20, 25 and 30˚c. the larvae were fed with unicellular algae dunaliella tertiolecta and chemically treated yeast known as lansy pz. survival and growth rate o...
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