(5 种)分别聚在了一起ꎬ 在属级分类中ꎬ聚合度较好ꎬ吻合传统分类ꎮ 在距离 表 2 姜属植物在 1 200 ~ 1 000 cm~1的 红外二阶导数谱带的归属情况 Table 2 Band of second derivatives spectra assignments for Zingiber in 1 200-1 000 cm~1 振动峰位 Vibration peak position ( cm~1 ) 振动...
With FTIR testing, the light is measured using an infrared spectrometer which produces the output of an infrared spectrum. The FTIR spectrum is displayed as a chart. The vertical axis shows how much infrared light the substance absorbs. The horizontal axis represents the frequency, or wavelength, ...
Since every functional group is composed of different atoms and bond strengths, vibrations are unique to functional groups, and classes of functional groups (e.g. O-H and C-H stretches appear around 3200 cm-1and 2900 cm-1, respectively). A correlation chart with various functional group vibr...
Figure 7摇 Comparison chart of the gas yield (a): H 2 ; (b): CO 2 : (c): CH 4 ; (d): CO 阴: light fraction; 茵: heavy fraction; 吟: total amount of light fraction and heavy fraction; 茛: bio鄄oil 3摇 结摇 论 生物油的热解气化过程主要分为两个阶段:一 是低温条件下生物油...