phenolic hydroxyl的例句大全

All K atoms coordinate with O atoms of phenolic hydroxyl group and nitro-group simultaneously.

所有的K离子均同时与酚 羟基 和硝基的氧原子配位.

in the alkylation, phenolic hydroxyl formed salt with sodium hydride, then reacted with 3bromo pentane, and the yield was 44. 4 %;

烷基化反应中先使酚羟基与氢化钠成盐，然后再与3溴戊烷反应，收率44.4%；

the number and position of phenolic hydroxyl groups, the number of methoxyl groups substituted in ortho position to the hydroxyl group and the character of side chain in the structure seemed to play an important role in the activity in dpph assay.

对于DPPH法，化合物结构中酚羟基的数目和位置、羟基邻位甲氧基的数目和侧链取代基的性质都会对活性产生重要的影响。

The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.

腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。

in order to introduce the phenolic hydroxyl group, we designed four salicylaldehyde schiff base ligands, it indicated that this class of systems achieved the best catalytic effect.

为引入酚羟基，本文设计合成了四种水杨醛席夫碱配体，以这些配体构筑的催化体系催化模板反应，均能取得中等偏上的产率，是催化效果最好的一类配体。

NMR study of proton dissociation processes of two complexans containing phenolic hydroxyl groups

含酚羟基氨羧络合剂质子解离过程的NMR研究

These illustrated that selective inhibition of TOP ⅱα might originate from the middle of the phenolic hydroxyl groups on the B ring.

这些说明选择性抑制TOPⅡα的活性可能来源于中间B环上的酚羟基。

Furthermore, the pH effect of photoionization of tyrosine resulting from deprotonation of phenolic hydroxyl group in alkaline solution was demonstrated.

进一步阐明，酪氨酸光电离的pH效应源于其酚羟基的电离。

Results indicated that contents of carboxyl, phenolic hydroxyl and sulfonic groups decreased with increased M_w.

研究表明，随着Mw增大，羧基、酚羟基、磺酸基的含量减小。

Ten mononuclear complexes with phenolic hydroxyl Schiff base ligands have synthesized.

以酚羟基Schiff碱为配体设计合成了十个单核过渡金属配合物。

Determination of the Content of Phenolic Hydroxyl Groups in Lignin and Pulp with FC-Method

FC法测定木素和纸浆中的酚羟基

Sodium ferulate ( SF), extracted from DangGui, containing phenolic hydroxyl has the antioxidative activity.

阿魏酸钠（SF）是当归的水溶性单体提取成分，含有酚羟基，具有抗氧化活性。

These results similar to those derivatives of compound H2, which showing phenolic hydroxyl of ring A was a key group.

这与化合物H2衍生物的活性结果相似，这些同样说明A环的邻二酚羟基是活性关键基团。

The carboxylic groups in hemicellulose and the phenolic hydroxyl and ester groups in lignin are the major bonding sites for copper, as confirmed by FTIR.

另外，经FTIR证实，铜与木材作用时，主要是半纤维素中的羧基团和木质素中的酚羟基及芳基酯基与铜成键。

The results showed that the coordination bonds were formed between Y(ⅲ) ions and phenolic hydroxyl group of PUF.

结果表明，三异丙氧钇中Y（Ⅲ）与PUF中酚羟基上的氧形成了配位键；

IR absorption spectra indicated that the relative percentage contents of phenolic hydroxyl in LTPs were reduced to 68 4%-80 7% compared with that of TP ( 104%).

红外吸收光谱表明，LTP分子中仍存在酚羟基，但酚羟基的相对含量由TP的104%减少到684%～807%。

The smaller molecular weight of humic acids is, the more oxygen groups such as carboxyl and phenolic hydroxyl it contains, the more reaction between the low molecular weight and humic acid, the greater absorption of humic acid.

腐殖酸分子量越小，含有的羧基和酚羟基等含氧官能团越多，低分子量腐殖酸级分与纳米TiO2的配位体反应程度较高，腐殖酸吸附量也越大。

The TP-RE compounds were characterized by IR, UV-Vis, TEM, SEM, EDX and fluorescence spectrum ect. The result shows that TP ligands with RE~ ( 3+) ions through the ester carbonyl and phenolic hydroxyl.

通过IR、UV-Vis、TEM、SEM、EDX、荧光光谱等分析手段对茶多酚稀土配合物进行表征，结果表明：稀土离子可与TP的酯羰基和酚羟基配位；

In addition, compared with acidic lignin from stalk, aliphatic hydroxyl content of the lignin from pith was higher, phenolic hydroxyl and methoxy content were lower;

另外，与秆部木素相比，髓芯木素中醇羟基含量较高，酚羟基和甲氧基含量较低。

The results showed that the surface of the activated carbon may contain some functional groups, such as hydroxyl, carboxyl, pHenolic hydroxyl, amino and pHospHorus-containing functional groups etc, part of the carbon atom formed relatively stable lamellar grapHite structure after activated.

分析结果表明，自制的牛粪活性炭可能含有醇羟基、羧基、酚羟基、氨基以及含磷基团等官能团，经过活化后的产品中一部碳原子形成了比较稳定的片层石墨结构。