On the Silkworms
نویسندگان
چکیده
منابع مشابه
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
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15 صفحه اولIsolation of mammalian pathogenic bacteria using silkworms.
We developed a method to predict bacterial pathogenicity against mammals by measuring bacterial virulence in silkworms at 37°C, human body temperature. One hundred and twenty-two strains of bacteria were isolated from the intestines of fish and shellfish and tested for their virulence against silkworms. Overnight cultures of 50 strains killed at least 50% of the silkworms when injected into the...
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Spiders and silkworms spin silks that outcompete the toughness of all natural and manmade fibers. Herein, we compare and contrast the spinning of silk in silkworms and spiders, with the aim of identifying features that are important for fiber formation. Although spiders and silkworms are very distantly related, some features of spinning silk seem to be universal. Both spiders and silkworms prod...
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The remarkable control of insect growth by the hormone ecdyson is readily apparent in the events that transform a diapausing Cecropia pupa into a developing adult moth. The pupal diapause, as shown by Williams,' is a state of developmental arrest enforced by the failure of the insect's endocrine system to supply the hormonal stimulus required for growth and development. In essence, what the ind...
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ژورنال
عنوان ژورنال: Sen'i Gakkaishi
سال: 1979
ISSN: 0037-9875,1884-2259
DOI: 10.2115/fiber.35.12_p384