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1.The following two conclusions can be proved. 1. G is the non-connection critical h chart, that is, there are at least the degree of 2a (G)less than or equal to that of the acme of 3/2 h lin G.
本文证明了以下两个结论:1、G乏临界h连通非完全,则G中至少有2a(G)个度小于或等于3/2h-1的顶点。收藏指正
2.. 2. G is the critical h connection chart, that is, there is at least the degree of 2(&(G) -h + 1)less than or equals to that of the acme of 3/2h-1.
2、G是临 界h连通,则G中至少有2(δ(G)-h+1)个度小于或等于3/2h-1的顶点。收藏指正
3.latibracteata with bioactivity-guided fractionated. Comparing with the standard spectra of chromatography chart such as MS, 1H NMR and 13C NMR, compound 1# and compound 2# were primarily identitied as fatty alcohol and salicylic acid easter, compound 3# and compound 6# were identified as β-sitosterol and stearic acid.
通过测定质谱(MS)、核磁共振谱(1H NMR、13C NMR)数据,并与标准谱相比较,初步鉴定化合物1#可能为一长链脂肪醇、化合物2#可能是水杨酸酯、化合物3#为β-谷甾醇、化合物6#为硬脂酸。收藏指正
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