• Astronomers have found the hydroxyl radical in the Venusian atmosphere.

    天文学家已经发现在金星大气中存在羟基。

    youdao

  • What is the mechanism for the adsorption of water, hydroxyl and other minerals recently found on the Moon's surface?

    是什么机制导致月球表面会吸附近来发现的水、羟基和其他矿物质?

    youdao

  • Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.

    木材在潮湿的时候就会膨胀,而干燥的时候会缩小,这取决于其中含有的氢氧基团,它可以吸收和释放水分。

    youdao

  • Alkali: a soluble matter that forms hydroxyl ions in solution. e. g. NaOH or KOH.

    碱:在溶液中可形成氢氧根离子的可溶性物质。例如氢氧化钠或氢氧化钾。

    youdao

  • The hard resin was formed by polymerization of the soft resin in the presence of hydroxyl groups.

    紫胶硬树脂由软树脂多聚而成,该聚合过程以树脂的羟基参与反应为特征。

    youdao

  • There are many active hydroxyl groups on carbohydrates.

    糖中含有多个活泼的羟基。

    youdao

  • The hydroxyl radicals could be trapped by PBN in aqueous solution.

    在水溶剂中用PBN自旋捕捉到了羟基自由基。

    youdao

  • The scavenging of melanin to hydroxyl free radicals was studied by fluorometry.

    利用荧光光度分析法研究了黑色素对羟基自由基的清除活性。

    youdao

  • We also found that Datong coal contains more phenolic hydroxyl and less carboxyl.

    红外分析表明大同煤中羧基含量很少,酚羟基含量较多。

    youdao

  • The foam was prepared through a reaction of the hydroxyl groups with diisocyanate.

    聚胺酯泡沫通过多羟基化合物上的羟基和二异氰酸酯反应形成。

    youdao

  • The Cu-metallothionein of Saccharomyces cerevisiae BD101 can scavenge hydroxyl radicals.

    酿酒酵母BD101菌株的金属硫蛋白能清除羟基自由基。

    youdao

  • As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive.

    以开链的羟基醛和羟基酮形式存在的单糖非常活泼。

    youdao

  • All K atoms coordinate with o atoms of phenolic hydroxyl group and nitro-group simultaneously.

    所有的K离子均同时与酚羟基和硝基的氧原子配位。

    youdao

  • Both the additive products contain hydroxyl groups, so possess substantial hydrophilic property.

    加成产物都含有羟基,因此都有一定的亲水性。

    youdao

  • The viscosity and hydroxyl value of PHPB synthesized under these conditions attained better level.

    在此条件下合成出来的PHPB的羟值和粘度均达到较好的水平。

    youdao

  • The specific scavenger of hydroxyl radical, thiourea, showed clear inhibitory effect on the system.

    羟自由基清除剂硫脲对该体系的抑制作用明显。

    youdao

  • Relationship between photocatalytic degradation of benzoic acids and reaction with hydroxyl radical.

    苯甲酸类光催化降解和羟基自由基反应的关系。

    youdao

  • The transformation of species for hydroxyl polymer is a key problem of inorganic polymer flocculants.

    羟基聚合物的形态转化是无机高分子絮凝剂的核心问题。

    youdao

  • The formulation and manufacturing process of hydroxyl acrylic resin and polyester oligomer were given.

    介绍了羟基丙烯酸树脂、聚酯齐聚物的配方和制法。

    youdao

  • The chemical reaction of hydroxyl radical is free radical reaction, whose reaction speed is very high.

    羟基自由基参与的化学反应属于游离基反应,化学反应速度极快。

    youdao

  • The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.

    表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。

    youdao

  • The preparation of some new types of products such as hydroxyl-sulfonated betaines avoided these problems.

    一些新品种如羟磺基甜菜碱的制备避免了上述问题。

    youdao

  • The surface lipids undergo oxidation generating many compounds containing... hydroxyl and carbonyl groups.

    表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。

    youdao

  • And they detected hydroxyl, the HO that's left behind when a rock crystallizes from magma containing water.

    科学家们从中找到了羟基,这是由含水岩浆结晶成岩石遗留下来的。

    youdao

  • The contents of carboxyl, phenol hydroxyl, and lactones groups on carbon black surface have been determined.

    同时测定了炭黑表面羧基、酚羟基、内酯基等酸性含氧基团的含量。

    youdao

  • Addition of the compounds with hydroxyl groups and a tendency of coordination will accelerate the degradation.

    添加有配位倾向的含羟基的化合物会加快破胶过程。

    youdao

  • A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

    介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。

    youdao

  • A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.

    本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。

    youdao

  • The oxygen atoms that coordinated with yttrium were offered by both carboxyl and hydroxyl groups of deoxycholic acid.

    脱氧胆酸中羧基氧原子、羟基氧原子均与钇发生配位作用。

    youdao

  • The clay modified by amine hydrochlorate of small multi-hydroxyl molecule was synthesized and compounded with starch.

    合成了多羟基小分子胺盐改性蒙脱土,并同淀粉进行复合。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定