1)  CH-π interaction
CH-π作用
2)  CH +
CH~+
3)  CH
CH
1.
An Interactive Open Architecture Computer Vision Platform: Ch OpenCV;
交互式开放结构计算机视觉平台Ch OpenCV
2.
Structure and potential energy function of ground-state CH and CH_2 free radical;
自由基CH和CH_2的基态结构与势能函数
3.
Distinguish zh, ch, sh from z, c, s Respectively with the Rule of Pronunciation Variation between Ancient and Modern Times;
利用古今音变规律分辨zh、ch、sh和z、c、s
4)  CH(A)
CH(A)
5)  CH/π
CH/π
1.
Synthesis and Studies on CH/π Interaction in Crystal Srtucture of Half Flexible Clip Molecules Based on Diethoxycarbonyl Glycoluril;
基于二乙酯基甘脲半柔性分子夹的合成及晶体中CH/π的研究
2.
At first,molecules stack through π/π or/and CH/π interactions, and then H-bonds connect the molecule stacks along the molecule planes, resulting in 3D ordered crystals.
结果表明:在4,7-取代的香豆素晶体的自组装过程中,分子一般首先通过芳环之间的π/π作用或π/π和CH/π共同作用形成分子堆,分子堆之间再沿侧向(分子所在平面)通过氢键,形成网络堆积成三维晶体。
3.
As shown by the results, in the crystal structures where the strong formation groups of hydrogen-bonds lack, weak interactions such as CH/π, π/π and weak hydrogen-bond (C—H…X, X——O, N, Cl, Br) play important roles in the molecular self-assembling into crystal structures and affect the crystal symmetry.
结果表明:在这些缺少强氢键生成基团的晶体结构中,弱相互作用π/π,CH/π及弱氢键(C—H…X,X——O,N,Cl,Br)对分子自组装成晶体的过程及对晶体的对称性产生重要影响。
6)  CH
CH型
1.
CH ash scavenger was adopted in the atmospheric furnace on line ash clearing and good effect has been .
根据CH型清灰剂的化学清灰原理将其应用于常压炉的在线清灰 ,取得了很好的效果 ,炉膛温度降低了 10 5℃ ,降低了能耗 ,恢复了装置的正常生
参考词条
补充资料:π, π-conjugation
分子式:
CAS号:

性质:单键和双键相互交替排列的共轭体系。最简单的为1,3-丁二烯,而苯分子则是一个具有高度对称结构的闭合共轭体系。除碳碳双键外,碳碳叁键、碳氧双键等,都可组成π,π-共轭。例如:CH2=CH—C≡CH;CH2=CH—CH=O。由π,π-共轭引起的使分子内能降低、键长发生平均化等电子效应,称为π,π-共轭效应。

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