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杂环
1、kyanite ring───蓝晶石环
2、ring ring───戒指
3、ring───n.戒指；环状物；圆形；圆形竞技场（或表演场）；炉口；（非法的）团伙；铃声；（鸟的）腿环；行星光环；环形护城工事；Gang门；围成一圈的人（或物）；感觉；n.(Ring)（美、挪、德、爱、英、波、丹）林（人名）；v.打电话；发出铃声；回响；充满；嗡嗡作响；（通过按铃）要求服务；听上去（有某种印象）；报（时）；包围；圈起来
4、ring false───凭音响判断是JiaQian
5、benzene ring───[有化]苯环
6、sconce ring───壁灯环
7、installed ring───安装环
8、ring-shaped───adj.环形的；环状的；圆形的
9、ring dove───n.斑鸠；斑尾林鸽（鸽子的一种）
1、Heterocyclic ring care compounds of carbon chain that contains one or more non-carbon atoms in organic form.───杂环化合物是碳环化合物的环链上含有一个或多个非碳原子的有机化合物。
2、Triazine is a type of heterocyclic organic compounds, it is important to ring nitrogen organic chemical raw materials.───是一种三嗪类含氮杂环有机化合物，重要的氮杂环有机化工原料。
3、a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.───一种基与中心金属离子(如二价铁离子)结合，形成杂环。
4、An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.───一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
5、The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.───一种基与中心金属离子（如二价铁离子）结合，形成杂环。
6、and wherein said heterocyclic ring structure has a least 1 thiol substituent attached to a carbon atom of said heterocyclic ring.───该杂环结构至少有一个与杂环碳原子相连的硫羟取代基。
7、Q represents the nonmetallic atoms necessary to complete a heterocyclic nucleus containing 5 atoms in the heterocyclic ring.───Q是形成5个原子杂环核所必须的非金属原子。
8、Synthesis and characterization of novel soluble polyamides containing nitrogen heterocyclic ring───新型含氮杂环可溶性聚芳酰胺的合成及表征
9、Synthesis of Chlorin-enediyne Dyads Fused with Heterocyclic Ring by Palladium-catalyzed Coupling Reaction───钯催化偶合卟吩-并合杂环顺烯二炔二联体的合成
1、Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra, infrared spectra and etc.
2、An organic coordination (complexing ) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
3、Heterocyclic ring care compounds of carbon chain that contains one or more non-carbon atoms in organic form.
4、The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.
5、A five-membered heterocyclic ring compound, C4H5N, having an odor similar to chloroform. It is the parent compound of hemoglobin, chlorophyll, and many other complex, biologically active substances.
6、Azole: a class of organic compounds having a five - membered heterocyclic ring with two double bonds.
7、They are generally part of the nitrogen-containing heterocyclic ring and the biphenyl components, the former is much more varied, while the latter is relatively stable.