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- According to the literature, these part of the lipid may represent the ester group. 根据其他文献显示,这一部份的脂肪波峰可能代表酯类的官能基。
- A different structure change, the effect of which has been examined, is the size of the ester group in a series of alkyl methacrylates. 已经考查过的结构变化的影响是甲基丙烯酸烷基酯系列中酯基的体积(尺寸)
- In this paper,the polyimides with ester group side chain and ether group side chain were synthesized from 4CAB/MDA/PMDA and 4AB/MDA/PMDA. 通过实验室自行合成的两种不同侧链的二胺单体,与4,4'-二胺基二苯甲烷和均苯四羧酸二酐聚合得到含有酯键型侧链和含有醚键型侧链结构的两种聚酰亚胺。
- The product was alsoanalyzed hy IR spectrum instrument and the result proved the present of phos-phoric acid ester group. 对于制备出的磷酸化羊毛脂作了红外光谱鉴定,证明了磷酸酯(盐)基团的存在;
- Fluphenazine contains an ester group which is susceptible to hydrolysis by esterases in the blood.If the drug is given by i.v. injection, the ester is quickly hydrolysed. 氟奋乃定包含一个酯基,它容易被血中的酯酶水解,如果采用静脉注射给药的话,酯会很快被水解。
- Many kinds of chemicals were made from castor oil.There production techniques were summarized and classified according to the reactions of hydroxy,ester group and olefinic bond. 从蓖麻油分子中羟基、酯基、烯键等官能团的化学反应出发,对种类繁多的蓖麻油化学品加工技术进行综述归类。
- The hydroxyl and carboxyl,belonging to auxochromic groups,were oxidized into the carbonyl and ester groups. [方法]通过对刺槐木材变色前后丙酮抽出物的定性分析,得出变色前后丙酮抽出物的主要成分,进行对比分析,初步得出抽出物对诱发变色的作用。
- And the time-dependent changes in molecular weights during the thermal degradation followed the kinetic model of random chain scission at ester groups. 对苯胺基POSS (OAPS)和异丁基POSS(OIBS)的进一步研究表明, 由于与基体的作用不同,OAPS 可使结晶峰变尖,球晶细化,在一定程度上提高聚合物的力学性能和热稳定性,改性效果优于OIBS。
- The introduction of the electron withdrawing ester groups to the chromophore makes compound 2 to be a very sensitive fluorescent probe for Na analysis. 研究结果表明:在荧光团中引入吸电子的酯基使化合物2成为一种高灵敏性的检测钠离子的荧光探针。
- Contact dermatitis due to ester group 酯类致接触性皮炎
- The introduction of the electron withdrawing ester groups to the chromophore makes compound 2 to be a very sensitive fluorescent probe for Na+ analysis. 研究结果表明:在荧光团中引入吸电子的酯基使化合物2成为一种高灵敏性的检测钠离子的荧光探针。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- The group was made up of doctors. 这个团体是由医生组成的。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。