查询词典 phenol-phthalein
- 与 phenol-phthalein 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Heterodon specimens was successfully extracted by the steps of removing the formaldehyde through improved gradual dehydration first and extracting the genomic DNA by the traditional phenol-chloroform method then. After primers designed, the PCR amplification was carried out, and a 205 bp of the control region of mtDNA from all of the ten specimens was successfully amplified.
本实验通过改进的酒精梯度浸泡法去除标本中的甲醛,然后用酚-氯仿抽提法成功地提取到了铜鱼标本的基因组DNA;设计引物后进行了线粒体和微卫星的PCR扩增,扩增产物经银染检测。
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Heterodon specimens as successfully extracted by the steps of removing the formaldehyde through improved gradual dehydration first and extracting the genomic DNA by the traditional phenol-chloroform method then. After primers designed, the PCR amplification was carried out, and a 205bp of the control region of mtDNA from all of the ten specimens was successfully amplified.
本实验通过改进的酒精梯度浸泡法去除标本中的甲醛,然后用酚-氯仿抽提法成功地提取到了铜鱼标本的基因组DNA;设计引物后进行了线粒体和微卫星的PCR扩增,扩增产物经银染检测。
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The oxyamination was proved to be a heterogeneously catalyzed reaction. Phenol is the main by-product in the experiment.
本文研究条件下的苯、氨水、过氧化氢体系的苯的氧化氨基化反应是一个固体催化剂作用下的多相反应。
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It may be concluded that the Fe_2O_3/MgO sites,localized on Mg atoms,are acidic(presumably Lewis-type) in nature and that these results provide evidence for the heterolytic decay of the hydroperoxide to phenol and acetone.It was found that the activity of the catalysts had relationship with their redox behaviour.
氧化催化剂的活性与其氧化还原性具有一定的相关性,催化剂还原性越好,越容易导致异丙苯过氧化氢分解,进而促进异丙苯的转化。
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The reaction under the catalysis of 10%Fe_2O_3-MgO stoped quickly.It may be concluded that the Fe_2O_3/MgO sites,localized on Mg atoms,are acidic(presumably Lewis-type) in nature and that these results provide evidence for the heterolytic decay of the hydroperoxide to phenol and acetone.
采用共沉淀法制备了催化剂M_xO_y-MgO(M=Ni、Fe、Co、Cu),并用X射线衍射仪、程序升温还原(H_2-TPR)以及X射线光电子能谱等对催化剂进行了表征,并与其催化性能进行了关联。
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ConclusionThe main components of essential oils are 2,4-bis(1,1-dimethylethyl) phenol (4.4%), tetradecanoic acid (6.96%), n-hexadecanoic acid (7.69%), 9,12-cctadecadienoic acid (6.37%), hexadecanoic acid-2-hydroxy-1- ethyl ester (4.79%) and octadecanoic acid-2-hydroxy-1- ethyl ester (4.77%), respectively.
结论阿给炭挥发油的主要成分为2,4-二树丁基苯酚(4.4%)、十四酸(6.96%)、n-十六酸(7.69%)、-9,12-十八碳二烯酸(6.37%)、软脂酸-2-羟基-1-羟甲基乙酯(4.79%)、硬脂酸-2-羟基-1-羟甲基乙酯(4.77%)。
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Based on biological experiments, mango glycoside is used as raw material; under the condition with phenol and hydroiodic acid, carbon-carbon bonds are broken to produce the crude product of mango aglycone; the crude product is separated and purified through silica gel column chromatography so that the mango aglycone is separated; the yield rate reaches 12 percent, the purity is higher than 95 percent, and the reproduction performance is good; the IGTT of C57BL/6 normal mice is effectively improved with the norathyriol; and simultaneously the quantity of insulin secretion induced by glucose in vivo for the C57BL/6 normal mice can be improved with the norathyriol.
通过生物学实验证明,本发明所涉及的以芒果苷为原料,在苯酚和氢碘酸条件下,使得碳-碳键断裂,制备得到芒果苷元粗品,再通过硅胶柱层析分离纯化得到芒果苷元的方法使得其产率可达12%、纯度大于95%,且重现性好;norathyriol可使C57BL/6正常小鼠IGTT有明显改善;同时norathyriol可提高C57BL/6正常小鼠体内葡萄糖诱导的胰岛素分泌量。
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MIPC was photocatalytically transformed to 3,4-dihydroxyl hypnone, 2-iso-butyl phenol and acetic acid, and mineralized ultimately in oxygenated TiO2 slurries. The photocatalytic degradation processed according to first order kinetics with the apparent rate constant depending on initial concentration, light intensity and the amount of catalyst. The amount of catalyst had an optimum value (0.5g/L). The apparent rate was inversely proportional to square root of the initial concentration approximately.
MIPC能被光催化转化成3,4-二羟基苯乙酮、2-异丁基苯酚和乙酸等产物并最终被矿化,MIPC的光催化反应过程符合一级动力学规律,其表观速率常数与MIPC的起始浓度、TiO2量和光强等因素有关,MIPC降解的反应速率与入射光强成正比,与MIPC初始浓度的平方根成反比。
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The content of endogenous hormones, including IAA, ABA, GA3 and ZT, and phenol compounds were measured using HPLC, anti that of total sugar and total nitrogen were analyzed by the methods of hyposulphite titration and nitrogen.
采用高效液相色谱法测定插穗内源激素(IAA、ABA、GA3和ZT)和酚类化合物的含量,硫代硫酸钠滴定法测定总糖和凯式定氮法测定总氮含量。
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Based on the analysis and comparison of various methods of mensuration of effective ingredients of indigowoad root,phenol-vitriolic colorimetry has been choosen to be the method of mensuration of amylose in indigowoad root, and standard amylose graph has been made,in which c=22.476A+0.5309, correlation rate r=0.9970; Direct colorimetry has been choosen to be the method of mensuration of indigotin and Indirubin,and based on all above,the maximal absorb wavelenghes of indigotin and Indirubin have been determined through experiment.
在分析比较各种板蓝根有效成分测定方法的基础上,选用苯酚-硫酸比色法作为板蓝根多糖的定量测定方法,作山了多糖的标准曲线:c=22.476A+0.5309,其相关系数r=0.9970;选择直接比色测定法作为靛蓝、靛玉红的测定方法,并在此基础上通过试验确定了靛蓝、靛玉红的最大吸收波长及显色稳定性。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。