1) Functional group density
功能基团密度
2) functional group
功能基团
1.
The functional groups and their amounts which were formed on the surface of the treated MWCNTs were analyzed.
120℃下用浓硝酸对多壁碳纳米管(MWCNTs)进行不同时间的酸氧化处理,考察处理前后碳纳米管的形貌和元素变化,分析酸氧化处理MWCNTs表面功能基团的种类和含量。
2.
The results show that the magnetic particles are composed of the magnetic powder, polymeric materials and functional groups.
该磁性粒子由超细磁粉、高分子材料和化学功能基团组成 ,具有超顺磁性和较强的结合免疫球蛋白能力等特
3) functional groups
功能基团
1.
Studies on functional groups of acid phosphatase from Penaeus penicillatus (Ⅰ);
长毛对虾酸性磷酸酶功能基团的研究(Ⅰ)
2.
The functional groups (—NH_2 and —COOH)are .
结果表明,功能化磁性复合微粒的平均粒径为3~5μm,红外光谱分析结果中显示了功能基团—NH2和—COOH的特征峰谱,线性电位滴定测定功能化磁性微粒—NH2含量为400±50μmol/g,电导滴定法测定—COOH含量为380±50μmol/g。
3.
Researches indicate that the surface of these materials could produce functional groups under the effect of body fluid,e.
研究表明,在体液的作用下这类材料的表面能够形成 Si—OH、Ti—OH、Ta—OH、—COOH 和 PO_4H_2等功能基团,从而诱导类骨磷灰石层生成并与骨发生键合。
5) End functional group
端基功能团
6) azo functional group
偶氮功能基团
补充资料:非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条