Design and synthesis of tris ( 1-thiogalactopyranoside) having a methyl-protected carboxy group at the aglycon terminals

1、

The in vitro bioactive assay showed that 3-carboxy group is not a necessary group for antibacterial activity and antitumor activity of quinolones.

体外活性评价结果表明，C-3位羧基并非是喹诺酮基本结构中产生抗菌、抗肿瘤作用所必需的基团。

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2、

An emulsion of multi-component copolymer containing hydroxy group, carboxy group, and acrylate, is used for preparing the title adhesive.

本研究采用带有羟基、羧基、丙烯酸酯的多元共聚乳液体系为粘合剂；

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3、

The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed.

对一羟基或羧基化合物在氟橡胶胶料中的应用进行了研究。

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4、

Determining terminal carboxy group in PET by three-electrode potential titration

三电极电位法测定聚酯中端羧基含量

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5、

The active center carboxy group-COOH in the humidity-sensitive film is mentioned and the change of the active center-cooh in imide reaction is expounded.

提出感湿膜中存在有活性中心羧基-COOH及活性中心-COOH在酰亚胺化过程中的变化。

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6、

Analyses of Amido Group and Carboxy Group Ratio on Copolymer Size Mixture Property

酰胺基和羧基配比对共聚浆料性能影响的分析

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7、

Epoxy resin modified with random carboxy nitrile rubber

无规羧基丁腈橡胶改性环氧树脂

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8、

The test result shows that the greater the carborundum grain size, the more the carborundum content, the faster the tools wearing and tearing;

试验结果表明：碳化硅颗粒尺寸越大、碳化硅含量越多，对刀具的磨损速度越快；

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9、

The residual ratios of root materials of different crops measur-ed by carborundum tube method were 30%, 26%, 33% and 41% for corn, sorghum, soy bean and millet respectively.

用砂滤管测定根茬腐解残留率玉米、高粱、大豆及谷子分别为30%、26%、33%和41%。

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10、

On sand the application of carborundum tube for the determination of decomposition rate of plant residues under field conditions

田间测定植物残体分解速率的砂滤管法

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11、

The thermoanalysis results combined with carborundum brick performance tests will do much help to determine boiler starting mode, heating rate and temperature reduction conditions in order to guarantee the safety of fireproof brick wall and even the boiler.

上述结合碳化硅砖性能测定的工程热分析结果对实际确定增压锅炉启动方式、升温速率和降温模式，以保证耐火砖墙乃至锅炉的安全有重要参考价值。

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12、

Taking a carborundum brick of which the thermal conduction coefficient was given as specimen, the measuring error of it is less than 8%.

通过测量已知导热系数的碳化硅砖的导热系数，得其误差小于8%；

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13、

Based on the theory of sonochemistry, the influence of ultrasound on the carbonation process of the synthesis of nanometer light calcium carbonate is studied initiatively.

根据声化学的有关原理初步探索了超声场对于纳米级轻质碳酸钙合成碳化过程的影响。

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14、

Of calcium oxide powder surface carbonation process, the formation of a layer of calcium carbonate on the surface protective film.

对氧化钙粉剂表面进行碳酸化处理，在其表面形成一层碳酸钙保护膜。

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15、

The Unsteady State Carbonation Process in Synthesizing Ultrafine CaCO_3 Particles ──ⅱ. Carbonation Rate and Mass Transfer Model

合成超微细CaCO3的非稳态碳化反应过程&Ⅱ.碳化速率与传质模型

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16、

Increasing top& quality white sugar in carbonation process with the syrup floatation

利用上浮法提高碳酸法糖厂优级品率的研究颜色文化&白色

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17、

Phase Diagram Analysis of the Carbonation Process of Sodium Chromate and Ammonia Solution

铬酸钠碳氨转化过程的相图分析

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18、

The carbonation process and mathematical model of producing soda by amine

有机胺制碱的碳化过程及其数学模型

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19、

Studies on Physical Model of Carbonation Process in Ettringite Crystal

钙矾石晶体内部碳化过程物理模型的研究

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20、

Based on the two-film theory of mass transfer, the dynamics character of carbon dioxide absorption in second carbonation was studied.

选用三种不同碳、铬含量的耐磨钢，通过热处理获得不同数量的二次碳化物和马氏体基体。

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