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Isolation and purification of rat islets
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大鼠胰岛分离和纯化 |
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Isolation of Newcastle viruss and Identification of its Biology Character
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鸡新城疫病毒的分离及生物学特性的鉴定 |
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Isolation of Thermophilic Bacteria Thermus sp. YBJ- and Cloning of Amylase Gene
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嗜热菌Thermus sp.YBJ-的分离和淀粉酶基因的克隆 |
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Isolation of the Stains Degrading Chlorobenzene
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氯苯降解菌株的选育 |
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Isolation, Purification and Structural Elucidation of EPS-Ⅰ,an Extracellular Polysaccharide from Enterococcus durans
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Enterococcus durans产胞外多糖EPS-Ⅰ的分离纯化和结构分析 |
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Isomers and Synthesis of Benzene
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苯的异构体及其合成 |
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Isoquinoline alkaloids of Litsea euosma were studied for the first time and compounds were obtained. The structure of these compounds were elucidated as boldine ,norisoboldine ,reticuline ,β-sitosterol and β-daucosterol by spectral analysis.
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首次对清香木姜子(LitseaeuosmaW.W.Smith)中的异喹啉生物碱进行了研究,采用硅胶柱层析、重结晶等分离手段从中分离纯化得个化合物,通过现代波谱技术及与标准品对照等方法鉴定了它们的结构,包括 个异喹啉生物碱和β 谷甾醇及β 胡萝卜甙. |
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Isosafrole was synethesized through the isomerization of safrole with KOH and NaOH above the temperature of 00℃. 9% safrole was converted and the yield was 9%, the purity of the product was 99%.
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在NaOH与KOH作用下 ,在 0℃以上使黄樟油素异构化 ,合成了异黄樟油素 ,转化率达 9% ,收率达 9 % ,产品纯度 99%以上。 |
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Isothermal Forging Process of 8 Alloy Portait Rockerarm
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8铝合金纵向摇臂等温模锻工艺的研究 |
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Isozymes and Their Relationship with Neoteny in Neosalanx oligodontis Chen
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寡齿新银鱼同工酶及其与幼态持续的关系 |
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It shows that the model of dissolution equilibrium of DHVR in mixed C solvent obeys the Flory Huggins equation and the solubility parameters of DHVR under ～℃ can be calculated by the equation.
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果表明，DHVR与混合C溶剂的溶剂平衡模型遵循Flory－Huggins方程，由此计算得到了DHVR在 ～℃的混合C溶剂中的溶解度参数； |
