ring compounds

experimental results showed biofilm possessed the capability of catechol degradation, which made the degradation of aromatic ring compounds possible.

双加氧酶实验证明生物膜具有邻苯二酚降解能力，使芳香化合物的开环降解成为可能。

The key steps of hydrocracking of tetralin, the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.

四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。

In there compounds, the cyclopentadiene ring has only four hydrogens.

在这些化合物里, 环戊二烯环只有4个氢.

Synthesis of 5-membered Ring Compounds Using Zirconium; Synthesis and Mechanism of Nanocrystalline Ceria-Zirconia Solid Solution by SAS Process

锆参与的五元环状化合物的合成方法学研究纳米晶铈锆氧化物固溶体的SAS合成及机理研究

In fused-ring and bridge-ring compounds two carbons are common to the two rings.

在稠环和桥环化合物中,两个碳原子是两个环公用的.

Cancer causing compounds such as benzene ring, amidocyanogen and azo radical fouled lake and sea ceaselessly, which not only form great threat to human health but also enormously influence all other forms of life.

每年，大量含有苯环、胺基、偶氮基团等致癌物质的有毒废水不断地排入江河湖海，不仅给我们人类的健康带来了极大的威胁，也给其他生物的生存带来了极大的影响。

The benzene ring is also seen in other compounds.

苯环在其他化合物中也可以看见.

The predominance of these series is replaced in turn by benzothiophenes and increasingly complex ring-like compounds in the higher temperature ranges.

在更高的温度范围内，这些化合物的绝大部分又被苯噻吩和更复杂的环状化合物置换。

Azole: a class of organic compounds having a five-membered heterocyclic ring with two double bonds.

氮杂茂: 一种由五种杂环元素,两组粘合剂组成的有机化合物.

Furthermore, these compounds have not photoisomerization probability for their large charge density focused on 1,8-naphthyridine ring, so that they have better emission quantum yields.

其电荷密度分布集中于1，8-萘啶环，不易发生光异构化反应，具有较高的荧光量子产率。

This paper reviewed the classic synthetic methods and Recent Developments of Indole Ring Compounds.

本文综述了吲哚环类化合物的经典合成方法及近年来的合成上的研究进展。

A Study of Oper Ring Carbonyl Compounds' Dominative Conformation

开链羰基化合物优势构象的研究