-23 and -38 ℃ freezing-thawing processes.ATR-FTIR results showed that the peak high and peak area of infrared spectra of beef myofibrillar protein in the freezing-thawing processes were changed,and the red shift or blue shift of wavenumbers occurred.The intensities of the absorption peak of 3...
表3 煤中主要官能团的峰面积分布 Table 3 Peak area distribution of main functionam groups in coal 表4 FTIR分析结构参数 Table 4 Structure parameters from FTIR calculation 由表4可知, 煤样的芳碳率fa值与构造作用呈正相关, 红庆梁断层构造煤样的fa值是原生煤的1.01倍; 段王断层构造煤样的fa值是原生煤...
are also tested for the same area calculation. The results of these tests are summarized in Table3. The area of the 3000–2600/cm region is consistently less in all ASD+ children with respect to their controls. Different normalization
(a): Area ratio of each peak and H/C atomic ratio; (b): Different peak area ratio and H/C atomic ratio; (c): Main peak FWHM and H/C atomic ratio 2.3 煤分子模型的构建 基于FTIR和Raman光谱分析所提供的结构参数的研究, 建立了简单的煤分子结构模型, 用来正确预测煤的分子结构。 煤是以芳香...
but also the relative peak intensity ratio of the water bands is altered. Unlike the absolute peak intensity, this relative intensity ratio is independent of the total immersed area and is not affected by experimental variations. Therefore, it is an excellent measure for the average wetting state...
altered peak widths, and non-linear absorbance. DRIFTS can be performed on undiluted “neat” soil samples, or using KBr dilution of soil samples (2–10% sample). The suitability of KBr dilution is assessed empirically to determine if spectral quality is improved, or as a necessity when only...
[Peak Height] 進入 波峰高度畫面, 如下圖所示 54 其中 P1, P2 分為兩支使用者指定之特定波峰 Base1, Base2則為決定 P1, P2 高度之基準點 波峰高度計算如下 P1 or P2 高度 Base1 Base2 P 1, P2, base1, base2 位置均由使用者決定 Step3 :由 [Calculation Method] 進入波峰高度設定模式, 如下圖...
e detailed conclusions can be drawn as follows: (1) For these samples (GZ, HB, and HN), the contraction vibration intensity 2860 cm−1) is very of the weak at −CH3 band (2920 cm−1 di erent temperatures and and the peak area of this band cannot be obtained so that the P1 ...
Since mAbs bound to the Protein A resin,Fig. 7bshows a clear elution peak, reaching 6 mM under low pH buffer. When injecting 500 μL of culture fluid (38 mg of mAb per mL of resin), the area of the peak however represents only ~1% of the integrated 280 nm absorbance of ...
We find that for d2 < 20 nm the peak positions are nearly the same as for the calculation including the factor (1 + r)² (solid lines), revealing that the peak shift is essentially a near-field effect. For d2 > 20 nm, the peak shift stays rather constant and ...