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。
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？
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。
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。
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。
The hydroxyl ion has a negative charge.
氢氧根离子有一个负电荷。
The hydroxyl ion has a negative charge .
氢氧根离子有一个负电荷。
There are many active hydroxyl groups on carbohydrates.
糖中含有多个活泼的羟基。
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。
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。
Objective To study the clearing of hydroxyl free base with lily polysaccharide.
目的研究百合多糖对羟自由基的清除作用。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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