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Stirring at room temperature for h with fold thionyl chloride of the substrate、0mL acetone and 0.～0. mL trimethyl orthoformate per gram substrate respectively,the yield reached 90.%(adenosine) and 89.%(inosine).
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最佳的工艺条件为:常温反应h,氯化亚砜用量为底物的 倍,丙酮和原甲酸三甲酯的用量分别为每克底物0mL和0.～0. mL,收率90.%(腺苷)和89.%(肌苷)。 |
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Stomatal apparatuses are oval, and the long axes of stomata are mostly perpendicular or oblique to the midvein.
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气孔器椭圆形,长轴与叶片长轴垂直或成一定的角度。 |
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Stomatal band comprises -8 lines of stomata on each side of the midvein on the abaxial surfaces of the leaves.
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叶片远轴面气孔分布于中脉两侧,每侧各有-8列气孔。 |
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Store-operated calcium channel(SOC),which was found in recent years,is located on the cell membrane. It is the main channel regulating the Ca+ influx in non-excitable cells. The channel activation is aroused by the Ca+ store depletion.
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钙池操纵的钙通道(store-operated calciumchannel,SOC)系存在于细胞膜表面的一种新发现的钙通道,它是非兴奋性细胞Ca+内流的主要通道。 |
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Straight bills of lading:principles and practice
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记名提单的原则与实践 |
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Strain 087 is Glaucus and strain 0 is Albosporus of Streptomyces.
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初步鉴定087菌株属于链霉菌属中的青色类群，0菌株属于链霉菌属中的白孢类群。 |
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Strain E could secrete alkaline protease, whose molecular weight was 9.0 kDa, isoelectric point was 9. and Km value was .× 0~(- ) g/mL.
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菌株E所分泌的碱性蛋白酶的分子量为9.0kDa，等电点为9. ，米氏常数Km为.×0~(- )g／mL。 |
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Strains 7- and 7- were cultured on Czapek′s medium at ～7℃ for d.
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将豆类丝核菌菌株 7-、7- 接种于改良 Czapek′s培养基 ,置 ～ 7℃培养箱培养 d。 |
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Strategy in Immuno-PCR
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免疫PCR技术的策略 |
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Straws are copious natural resources.
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农作物秸秆是丰富的自然资源,秸秆还田可以提高土壤肥力和作物产量,促进农业良性循环。 |
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Stream of Consciousness in China in 8th Century——On the Mental Description of The Destiny of Rebirth
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8世纪的中国“意识流”——论《再生缘》的心理描写 |
