hydroxyl

美 [ha?'dr?ks?l] 　英 [ha?'dr?ks?l]

• n.【化】羥基
• 網(wǎng)絡(luò)氫氧基；羥氫氧基；氫氧根

英漢解釋

n.

1. 【化】羥基

英英解釋

n.	1. the negative ion formed by the attachment of an oxygen atom and a hydrogen atom.

例句

The surface physicochemical properties of hydroxyl terminated polybutadiene(HTPB)were studied by means of inverse gas chromatography(IGC).

采用氣相反相色譜技術(shù)（IGC）研究了端羥基聚丁二烯（HTPB）粘合劑的表面物理化學(xué)性質(zhì)。

Starch is due to the nature of the starch molecules contains easy-to-reactions of hydroxyl, starch many substances reactions.

淀粉的性質(zhì)是由于淀粉分子中含有易于發(fā)生化學(xué)反應(yīng)的羥基，所以淀粉能與許多物質(zhì)發(fā)生化學(xué)反應(yīng)。

Combustion is a chain reaction that may be initiated and propagated by free radicals like the hydroxyl free radical.

燃燒是一個連鎖反應(yīng)，能被自由基（如羥自由基）引發(fā)和傳播。

After you post a package, sets up the paper fibers used in most of the hydroxyl groups in adhesives, leaving no water absorption.

包貼封面后，內(nèi)文所用凸版紙纖維中的大多數(shù)羥基將膠粘劑中的水分吸收。

The present invention relates to a microgel latex with modified hydroxyl group and a property of stable storage.

本發(fā)明涉及一種存儲穩(wěn)定的。羥基改性的微凝膠體膠乳。

Nile red and nile blue derivatives with carboxyl or amino or hydroxyl group were synthesized, which were used to tag biological molecules.

設(shè)計合成了含有活性基-羧基、氨基、羥基的尼羅紅和尼羅蘭衍生物，用來標(biāo)記生物分子。

Since the new results suggest that large hydroxyl radical changes are unlikely, such projections become more reliable.

因此，新研究建議，大氫氧化物的徹底改變是不可能發(fā)生的，而這樣的排放效果也變得更加可信。

Hydroxyl is HO, as opposed to water's H2O, and it is usually the result of water molecules decomposing.

羥基是分子式是HO，水分子式是H2O，羥基通常是水分子分解后的產(chǎn)物。

The dehydration of laterite could be divided into steps of removing free water, crystal water and hydroxyl group at different temperature.

在升溫過程中，得到了原礦主要礦物中自由水、結(jié)晶水和羥基的脫除溫度區(qū)間。

Coloration mechanism of hydroxyl-doped potassium bromide polycrystals by electrolysis with a pointed anode is given.

對經(jīng)點陽極電注入摻氫氧根溴化鉀多晶著色機理提出解釋。

Benzotriazole, o - hydroxyl benzophenone, salicylic acid and esters comprise several important types of ultraviolet - absorbents (UAS).

苯駢三唑、鄰羥基二苯甲酮、水楊酸酯類化合物構(gòu)成了幾種重要類型的紫外吸收劑。

Starch molecules, adjacent chain link between the hydroxyl group on the acylamide, thus increasing the starch agglomeration in the solution.

淀粉分子中，相鄰鏈節(jié)上的羥基之間能形成氫鍵，從而增加了淀粉團粒在溶液中的穩(wěn)定性。

any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation.

一系列揮發(fā)性氫氧化合物中任意一種，由碳?xì)浠衔?/c>蒸餾制成。

The oxygen plasma can introduce hydroxyl groups on the surface of materials.

氧氣等離子體能在材料表面產(chǎn)生羥基。

The paint compounded with the product and hydroxyl acrylic resins was of good performance.

自制的縮二脲產(chǎn)品與羥基丙烯酸樹脂所配成的漆具有優(yōu)良的性能。

However hydroxyl has no effect on carbon dioxide.

但是，氫氧化物卻對二氧化碳毫無影響。

In the atmosphere, sunlight breaks up ozone to produce excited oxygen atoms, which then attack water to make hydroxyl radicals.

大氣中，陽光分解臭氧而產(chǎn)生活躍的氧原子，這些氧原子又和水反應(yīng)生成羥基。

The hydroxyl silicate was surface-modified and dispersed in water, and mixed with water-soluble lubricant by different proportion.

將羥基硅酸鹽通過表面修飾分散在水中，并與不同比例的水溶性潤滑劑進行復(fù)配。

NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD.

非離子表面活性劑.聚羥乙基衍生物.羥基指數(shù)的測定.酸醋酐法

As substrate is reintroduced neutrophil activity may heighten increasing production of damaging superoxide and hydroxyl radicals.

再次導(dǎo)入酶解物，嗜中性細(xì)胞活動增強，增加破壞性超氧游離基和羥基的生產(chǎn)。

S-PPM was stronger in scavenging superoxide anion radical than PPM but it was vice versa in scavenging hydroxyl radical.

S-PPM清除超氧陰離子自由基的作用明顯強于PPM，清除羥自由基的作用小于PPM。

and reacting said hydroxyl groups with vinyl sulphonate to provide a sulphonate-functionalized (S-functionalized) cation exchanger.

和使所述羥基與磺酸乙烯基酯反應(yīng)以生成磺酸酯-官能化（S-官能化）陽離子交換劑。

Moreover, this polysaccharide revealed strong scavenging activities against hydroxyl free radicals and DPPH free radicals.

抗氧化活性研究表明該酸性多糖具有顯著的DPPH自由基和羥自由基清除活性。

OBJECTIVE To establish a HPLC method for the determination of elimination ratio of hydroxyl radicals by Traditional Chinese Medicine.

目的建立用HPLC測定中草藥對羥基自由基清除率的方法。

The styrene-acrylic emulsion modified by double hydroxyl tetra-coordinated silicon was prepared by free radical emulsion polymerization.

通過乳液聚合方法，制備了雙羥基四配位硅改性苯丙乳液；

And the reduction of phenolic hydroxyl proved that cellulose had been effectively degraded after inoculation of Penicillium. 4.

酚羥基含量下降，說明接種青霉菌后纖維素得到有效降解。

In this thesis, dielectric hydroxyl groups (OH groups) defects forming mechanism influenced by the environment is studied.

此論文主要研究有機薄膜電晶體中氫氧基受環(huán)境影響而產(chǎn)生缺陷的機制。

Novel polymeric adsorbents containing amino-group and hydroxyl-group with high adsorption capacity for bilirubin were synthesized.

本文分別合成了含氨基和羥基的高分子吸附劑，并對它們對膽紅素的吸附性能進行了研究。

Any of a class of weakly acidic organic compounds ; molecule contains one or more hydroxyl groups .

酸性有機合成物，分子中含有一個或更多羥基。

METHODS The hydroxyl groups were selectively acetylated and N atom was methylated respectively to prepare the derivatives of anisodamine.

方法通過將山莨菪堿的羥基選擇性地乙酰化，氮原子甲基化，制備山莨菪堿衍生物；

The ozone impact in the catalyst will induce hydroxyl radicals in a short time which play a dominant role for the degradation of DBP .

臭氧在催化劑作用下，在短時間內(nèi)誘導(dǎo)產(chǎn)生大量的羥基自由基，DBP能夠被快速的降解。

BASIC SILICONES FOR INDUSTRIAL USE. DETERMINATION OF HYDROXYL GROUPS. METHODS BY REDUCTION WITH LITHIUM-ALUMINIUM HYDRIDE.

工業(yè)硅樹脂.羥基含量測定.氫化鋁鋰還原法

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

苯甲酸類光催化降解和羥基自由基反應(yīng)的關(guān)系。

plastics . unsaturated polyester resins . determination of hydroxyl value.

塑料制品。不飽和聚酯樹脂。羥基值的測定。

The results of colorimetric assays showed that these compounds effectively scavenged hydroxyl radical and super anion radical.

化學(xué)比色法的結(jié)果顯示這些化合物對羥自由基和超氧陰離子自由基有較好的清除作用。

The influence of hydroxyl content and concentration on adsorbability was also discussed.

并研究了不同濃度和羥基含量對吸附性的影響。

The results indicated that ethyl salicylate and benzyl salicylate have efficient activities to scavenge hydroxyl radical.

研究結(jié)果表明水楊酸乙酯和水楊酸苯酯能夠有效地清除羥基自由基。

Objective To investigate the mechanism and prevention of increasing hydroxyl radical induced by L-DOPA treatment in Parkinson's disease.

目的探討左旋多巴治療帕金森病誘發(fā)羥自由基增高的機制與防治的藥物。

Recently, it is reported that hydrogen can selectively scavenging hydroxyl radical in rodents, thus alleviate ischemia-reperfusion injury.

近年來，氫被報道能選擇性地清除動物體內(nèi)羥自由基，對缺血再灌注損傷有一定的治療作用。

The hydroxyl radical is a very reactive and short-lived molecule that contains one hydrogen atom and one oxygen atom.

羥基是一種極易反應(yīng)且存在時短的分子，它由一個氫原子和一個氧原子構(gòu)成。