该物质以对羟基苯甲酸为原料，经三步合成。
The substance was synthesized from P-hydroxybenzoic acid through three steps.
本发明与端双羟基官能化遥爪聚合物的制备方法有关。
This invention relates to a method for preparing dihydroxyl-terminated telechelic polymer.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶的抑制效应。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase in tyrosinase were studied using enzymological kinetic method.
通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。
The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
目的是比较不同干燥方法对红花提取物中有效成分羟基红花黄色素A的影响。
The objective was to compare the different dehydrations on contents of Hydroxysafflor yellow A in Carthamus tinctorius L. extracts.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚，并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
制造羟基磷灰石复合螺钉可以简化生产。
Manufacturing the screws out of the hydroxyapatite composite also simplifies production.
这些羟基会破坏污染分子。
天文学家已经发现在金星大气中存在羟基。
Astronomers have found the hydroxyl radical in the Venusian atmosphere.
羟基聚硅氧烷是有机硅工业的重要产品之一。
The hydroxide polysiloxane is one of the important products of the organic silicon industry.
乙二醇迅速地被它氧化，生成草酸和羟基醋酸。
Glycol is oxidized rapidly by it to oxalic and glycolic acids.
最后，大气甲烷与羟基离子发生反应，生成二氧化碳和水。
Eventually, atmospheric methane reacts with hydroxil ions to form CO2 and water.
它们含有一个或多个功能团如：氨基、羟基、羧基。
They contain one or more functional group such as amide, hydroxy, or carboxy.
脂肪族聚酯具有更好的淀粉，其中有许多羟基防潮。
Aliphatic polyesters have better moisture resistance than starches, which have many hydroxyl groups.
叔丁基羟基茴香醚(BHA)通常被用来防止脂肪腐臭。
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？
What is the mechanism for the adsorption of water, hydroxyl and other minerals recently found on the Moon's surface?
羟基脲是一种抗肿瘤药，也可以用来治疗镰状细胞性贫血。
A cancer drug called hydroxyurea (Droxia, Hydrea) also is used to treat sickle cell anemia.
金星快车探测器在金星高空发现了羟基，并且覆盖着星球。
The Venus Express probe discovered hydroxyl in the clouds that shroud the planet.
平常添加一点阿尔法羟基酸，使用海藻面膜增强你皮肤的微循环和均匀度。
Add alpha hydroxy acids to your routine, and use a mask with algae to increase microcirculation and even out your skin.
采用有机泡沫浸渍法制备羟基磷灰石-生物玻璃多孔复相陶瓷。
The porous hydroxyapatite-bioglass duplex ceramic was prepared by the dipping method with polymer foam.
异氰酸酯固化剂在加热的情况下与羟基聚合物反应形成聚氨酯涂料。
Isocyanate curing agents which when heated or reacted with hydroxy functional polymers giving urethane coatings.
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。
And they detected hydroxyl, the HO that's left behind when a rock crystallizes from magma containing water.
对比讨论了各生产工艺的控制条件对羟基活性磷酸钙产品质量的影响。
Process of hydroxyl calcium phosphate was introduced, and control condition of process on the quality of product was discussed.
目的探讨心脏涤纶补片在羟基磷灰石义眼台置换术中应用的临床效果。
Objective To investigate the clinical effect and safety of Dacron heart patch in the exchange surgery of hydroxyapatite implant.
任意基团在反应步骤完成后可以很容易地除去的基团都适合做羟基保护基团。
Suitable hydroxy-protecting groups are ether-forming groups that can be removed easily after completion of all other reaction steps.
任意基团在反应步骤完成后可以很容易地除去的基团都适合做羟基保护基团。
Suitable hydroxy-protecting groups are ether-forming groups that can be removed easily after completion of all other reaction steps.
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