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.
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.
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.
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.
釉料在烧制过程中明显地经历了脱水、脱羟基、玻璃化和再结晶过程。
It is clear that during the firing process, the glaze undergoes dehydration, dehydroxylation, vitrification and recrystallization.
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 hard resin was formed by polymerization of the soft resin in the presence of hydroxyl groups.
这种被称为再羟基化年代测定法的技术，最近才由曼彻斯特大学和爱丁堡大学的研究员开发出来。
Called rehydroxylation dating, the technique was recently developed by researchers at the University of Manchester and the University of Edinburgh.
阿尔法羟基酸：帮助保持皮肤油脂平衡，有轻柔去角质的功效，令你重现年轻的肌肤。
Alpha Hydroxy Acids: Help improve oil balance of the skin and gently exfoliate to reveal the next layer of fresher, younger skin.
从生物相容性的角度考虑，羟基磷灰石(HA)是人体硬组织置换种植体最适合的陶瓷材料。
Hydroxyapatite seems to be the most suitable ceramic material for hard tissue replacement implants from the point of view of biocompatibility.
目的研究仿生矿化的聚乳酸-羟基乙酸共聚物(PLGA)作为骨组织工程支架材料的可行性。
Objective To investigate the feasibility of using biomimetic mineralized PLGA as scaffold material in bone tissue engineering.
经降解得到的羧甲基壳聚糖均具有一定的羟基自由基清除活性，且分子量越小，其抗氧化性能越强。
All degraded carboxymethyl chitosans show certain hydroxyl radical scavenging activity, but the antioxidant activity is stronger at lower molecular weight.
就像镍镉充电电池一样，金属氢化镍电池的阳极是由浸泡在氢氧化钾电解质中的羟基氧化镍制作而成。
As in a NiCad battery, the NiMH's anode is made of nickel oxyhydroxide immersed in an electrolyte of potassium hydroxide.
就像镍镉充电电池一样，金属氢化镍电池的阳极是由浸泡在氢氧化钾电解质中的羟基氧化镍制作而成。
As in a NiCad battery, the NiMH's anode is made of nickel oxyhydroxide immersed in an electrolyte of potassium hydroxide.
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