نتایج جستجو برای: صدف مرواریدساز محار pinctada radiata
تعداد نتایج: 4864 فیلتر نتایج به سال:
The mother-infant dyad is crucial to early development in a variety of species. The complexity of social groupings in nonhuman primates makes this relationship resilient as well as susceptible to early challenges associated with environmental chaos. Quantitative behavior observations of bonnet monkey mother-infant interactions were collected from 28 mother-infant dyads between one and twelve mo...
Ipsilateral hemiparesis after a supratentorial stroke is rare. However, the role of the reorganization of the unaffected hemisphere in recovery after a stroke is poorly understood. Two patients developed ipsilateral hemiparesis after a left corona radiata infarct. Both of these patients had previously experienced contralateral hemiparesis after a right-sided supratentorial stroke. Functional ma...
Commercially available enzymes do not contain all the necessary softwood-specific accessory enzymes to obtain high saccharification efficiency. In this work, six saprophytic fungi obtained from Pinus radiata plantation site were screened for the putative softwood-specific accessory enzyme, β-mannanase. A Penicillium sp. was found to produce β-mannanase in both solid (31.6 units/g of dry biomass...
Plantations of rapidly growing trees are becoming increasingly common because the high productivity can enhance local economies, support improvements in educational systems, and generally improve the quality of life in rural communities. Landowners frequently choose to plant nonindigenous species; one rationalization has been that silvicultural productivity is enhanced when trees are separated ...
چکیده ندارد.
Three anthocyanins (cyanidin 3-diglucoside, cyanidin 3-sambubioside and cyanidin 3-glucoside) together with eleven known alkaloids (lycoricidine, hipppeastrine, O-Demethyllycoramin, lycoricidinol, galanthine, lycorine, lycorenine, lycoramine, galanthamine, homolycorine and pretazettine) were identified in the flower and bulb of Lycoris radiata using high-performance liquid chromatography couple...
Arsenic is a great hazard to the environment since it is a major source of soil and water contamination leading to phytotoxicity. Arsenic caused reduction in seed germination and growth of plants including mung bean (Vigna radiata) causing loss of crop productivity. This investigation evaluates effect of arsenic toxicity in mung bean with an attempt to ameliorate it by the application of curcum...
Mass mortalities associated with a virus disease in Japanese pearl oysters Pinctada fucata martensii
The annual mortality of cultured Japanese pearl oysters Pinctada fucata martensii in all western regions of Japan was over 400 million in both 1996 and 1997. The main pathological signs of the diseased oysters were atrophy in the adductor muscle, the mantle lobe and the body accompanied by a yellowish to brown coloration. Histological studies revealed necrosis and degeneration of muscle fibers ...
آزمایشی به منظور بررسی تأثیر تنش آب بر میزان ماده خشک و رنگیزههای فتوسنتزی در دو گونه از گیاه اسپرس (Onobrychis radiata & Onobrychis viciifolia) با استفاده از آزمایشهای فاکتوریل در قالب طرح کاملا تصادفی با چهار تکرار انجام گردید. گیاهان تحت مطالعه در محیط گلخانه با دمای حداکثر 38 درجه سانتیگراد و دمای حداقل 14 درجه سانتیگراد کشت شدند. چهل روز پس از کاشت، هر دو گونه تحت تنش آبی 50 و 75 درصدظرفی...
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