Infrared spectroscopy shows that aromatic group is grafted onto the molecular chain of CPP.

红外谱图表明，在原来的CPP分子链上接上了芳环基团。

His group has found hundreds of genes that encode enzymes which produce flavourings and aromatic compounds.

他的团队还揭秘了几百种酶的基因，正是这些酶的基因控制了造成浓郁口味和芬芳气味的化合物。

The group is requesting that the FDA enact a rule that sets a limit on the amount of polycyclic aromatic hydrocarbons deemed safe for pregnant women and young children.

该机构正在要求FDA就多环芳烃对怀孕妇女和儿童无害的最低安全含量做出规定。

Another important group of petrochemical raw materials are the aromatic compounds, principally benzene, toluene and xylenes, which are mainly produced by catalytic reforming.

另一组重要的石油化学品原料是芳香烃化合物，主要是苯、甲苯和二甲苯，主要由催化重整制得。

An aromatic hydrocarbon group formed by the removal of a hydrogen atom from an arene.

由芳烃去掉一个氢原子形成的芳香碳氢基团。

From molecule structure of coal, coal reaction character was described by aromatic ring, hydrogenation aromatic ring, alkane, alkane bond, oxy-group.

从煤分子结构出发，煤的反应性可以用芳香环，氢化芳香环，烷烃链、烷烃键和含氧官能团的变化来描述。

In- termolecular reactions were observed with the C—Pd bond formed by the C—H activation of the aromatic ring and the nitrile group.

当然，人们也观察到了通过芳香C—H键活化产生的芳基碳钯键与腈基的分子间反应。

Generally, the heavier the relative molecular mass, the higher the content of aromatic structure or the higher the content of carbonyl group, the more stable the emulsion is.

一般情况下，馏分的相对分子质量越大、稠环芳香结构和羰基含量越高，则乳状液越稳定。

The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.

结果表明，萃取物中含有脂肪族结构、芳香结构、大量含氧基团，并含有脂环化合物。

In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.

在氮桥的二边，一个双键及一个烯醛基共轭程度大致与二个芳稠环相当。

Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.

此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。

The amount of absorbed water per amide group varied in the order. polysulfone amide (PSA)> poly(benzimidazolone) (PBIL) > aromatic polyamid…

每种膜吸附水的绝对量顺序为芳香聚酰胺>聚砜酰胺>聚苯并咪唑酮。

It is worth while to note that the steroidal glycoside possessing an aromatic ring substituted alkanoyl group at its glucose moiety was found for the first time in fungi .

值得注意的是， 这种糖片段上有芳环取代的烷酰氧基基团的麦角甾烷型甾体糖苷为真菌中首次报道。

Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin.

含质子酸基交联性芳香族树脂及使用该树脂的离子传导性高分子膜，粘合剂，以及燃料电池。

Polycyclic aromatic hydrocarbons are a group of ubiquitous pollutants.

多环芳烃是一类普遍存在的环境污染物。

The results show that the introduction of aromatic ring in the alkyl chain increases the size of the hydrophobic group and decreases the capability of surfactant in reducing water surface tension.

在与大庆原油的油水界面性能的研究中发现，其中一类表面活性剂表现出较好的界面性能。