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红外差示
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  differential ftir
     Differential FTIR spectroscopy of tested oils indicates that the characteristic absorption of P-O-C group from Ti(Ⅳ)DDP becomes weaker under higher load.
     试油的红外差示光谱研究表明,Ti(Ⅳ)DDP中的P—O—C吸收在高负荷下明显减弱。
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  “红外差示”译为未确定词的双语例句
     A STUDY OF INTERFACIAl REACTION IN RESIN-MATRIX COMPOSITES USING INFRARED SUBSTRACTION SPECTROMETRY
     红外差示光谱法在复合材料界面反应研究中的应用
短句来源
     A STUDY ON DIFFERENCE FACTOR IN COMPUTERIZED INFRARED DIFFERENCE SPECTROSCOPY
     计算机红外差示光谱法中有关差示因子的探讨
短句来源
     Ultramicrosample Determination of 2-Benzoyl-hydrazono-1,3-dithiolane,Using Fourier Transform-Infrared Substractive Spectroscopy
     傅里叶变换红外差示光谱对农药叶枯灵的超微量样品测定
短句来源
     The infrared spectra had provided evidence for the existence of twokinds of bound water on the membrane——tightly bound water and loosely boundwater,and that dehydration may cause phase-separation between cholesterol andphospholipids.
     红外差示谱表明膜上存在着两类结合水——紧密结合水与松弛结合水,也说明脱水将造成磷脂与胆固醇的相分离现象。
短句来源
     FTIRRS is used to obtain differential infrared spectra of reaction intermediates and species adsorbed on electrode surface in electrochemical systems, and has been proved to be a highly sensitive spectroelectrochemical technique.
     这种技术被用于在电化学体系中获取反应中间物和电极表面吸附物的红外差示谱,是一种非常灵敏的光谱电化学技术。
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  相似匹配句对
     The Infrared Measuring Technology for Temperature
     红外测温技术
短句来源
     Infrared Therapy
     红外医疗
短句来源
     A STUDY OF INTERFACIAl REACTION IN RESIN-MATRIX COMPOSITES USING INFRARED SUBSTRACTION SPECTROMETRY
     红外差示光谱法在复合材料界面反应研究中的应用
短句来源
     A STUDY ON DIFFERENCE FACTOR IN COMPUTERIZED INFRARED DIFFERENCE SPECTROSCOPY
     计算机红外差示光谱法中有关差示因子的探讨
短句来源
     DETERMINATION OF ASCORBIC ACID BY DIFFERENTIAL SPECTROPHOTOMETRY
     抗坏血酸的差示分光光度测定法
短句来源
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Water is an important structural molecule of membranes.Using the isothermaladsorption curve of water on erythrocyte membranes at 20℃ as reference,we hadstudied the hydration effect at different levels of hydration.The fluorescence polariza-tion measurement of DPH had shown that dehydration leads to destruction of thebilayer arrangement,and approximately 20% of bound water is necessary to maintainmembrane structure;under the conditions where the membrane structures areintegrate,the increasing of bound water may...

Water is an important structural molecule of membranes.Using the isothermaladsorption curve of water on erythrocyte membranes at 20℃ as reference,we hadstudied the hydration effect at different levels of hydration.The fluorescence polariza-tion measurement of DPH had shown that dehydration leads to destruction of thebilayer arrangement,and approximately 20% of bound water is necessary to maintainmembrane structure;under the conditions where the membrane structures areintegrate,the increasing of bound water may intensify the fluidity of the membrane,the “relaxation effect” of water molecules on lipid molecules probably make importantcontributions to the mobility of membrane lipids.The fluorescence emission spectraof ANS had shown that the hydration effect increases the polarity of the membranesurface,also suggesting the presence of more mobile water molecules at higherhydration levels.The infrared spectra had provided evidence for the existence of twokinds of bound water on the membrane——tightly bound water and loosely boundwater,and that dehydration may cause phase-separation between cholesterol andphospholipids.

水是生物膜上重要的结构与功能分子。本实验以20℃红细胞膜对水的等温吸附曲线为定量根据,研究了不同水化水平的水化效应。DPH的萤光偏振测量证明:脱水将破坏脂双层的有序结构,大约20%的水化度是维持膜结构所必需的;在膜结构完整的条件下结合水的增加会使膜流动性增大,水分子对双层类脂分子的“松弛效应”和水分子的运动对于膜脂分子的活动性可能有重要贡献。ANS的萤光发射谱说明水化效应增加了膜表面的极性,也提示在高水化水平膜上存在着一部份活动性较大的水分子。红外差示谱表明膜上存在着两类结合水——紧密结合水与松弛结合水,也说明脱水将造成磷脂与胆固醇的相分离现象。

Aminoacylase is a Zn metalloenzyme.The far infrared absorption spectra of aminoacylase, metal-free apoamino-acylase, and Co-substituted aminoacylase in aqueous solutions were studied in the frequency range of 530 cm-1 to 100 cm-1 with a Fourier Transform Infrared Spectrophotometer. The spectra have been obtained by subtracting the contribution of water from the spectra of the enzymes' solutions. Aminoacylase has an obvious absorption peak between the wave numbers 510 cm-1 and 500 cm-1 when it contains the Zn(Ⅱ)...

Aminoacylase is a Zn metalloenzyme.The far infrared absorption spectra of aminoacylase, metal-free apoamino-acylase, and Co-substituted aminoacylase in aqueous solutions were studied in the frequency range of 530 cm-1 to 100 cm-1 with a Fourier Transform Infrared Spectrophotometer. The spectra have been obtained by subtracting the contribution of water from the spectra of the enzymes' solutions. Aminoacylase has an obvious absorption peak between the wave numbers 510 cm-1 and 500 cm-1 when it contains the Zn(Ⅱ) ions, which are necessary for the enzymetic activity, and Co (Ⅱ) ions also, as incorporated in aminoacylase, which can reactivate inactive metal-free apoaminoacylase. But this absorption does not appear in the spectrum of the metal-free aminoacylase. As compared with that of Zn aminoacylase, the peak of Co-substituted aminoacylase shifts to a higher wave number for about 2 cm-1. In accordance with the results mentioned above, the peak is essentially assigned to the vibration absorption of the metal ions (Zn(Ⅱ), CO(Ⅱ)) with their coordinate atoms in the active sites. The absorption spectra of Co-substituted aminoacylase under different conditions were also compared.As far as we know, this is the first attemp to study metalloenzyme with far infrared spectroscopy. The results indicate that the direct information about the Zn(Ⅱ) ions in the active sites of aminoacylase can be demonstrate in the IR spectra clearly. We believe that this method could be used for advanced studying about the structure and function of the active sites in aminoacylase or other metalloenzyme.

本文利用付立叶变换红外差示技术,获得了氨基酰化酶,脱Zn(Ⅱ)氨基酰化酶酶蛋白,和Co(Ⅱ)重组氨酰化酶水溶液的远红外吸收谱.结果表明,510cm~(-1)至500cm~(-1)的一个吸收峰是由活性部位中金属离子与其配位原子间的伸缩振动所引起.我们认为,付立叶变换红外光谱法可以为金属酶活性部位的结构与功能的研究直接提供有用的信息.

Infrared spectra of radical anions of p-benzoquinone have been recorded in situ during the reductive process of the substrates on a platinum electrode by using Fourier transform infrared reflectance spectroscopy (FTIRRS). Preliminary discussion was also given about possible structure of radical anion. FTIRRS is used to obtain differential infrared spectra of reaction intermediates and species adsorbed on electrode surface in electrochemical systems, and has been proved to be a highly sensitive spectroelectrochemical...

Infrared spectra of radical anions of p-benzoquinone have been recorded in situ during the reductive process of the substrates on a platinum electrode by using Fourier transform infrared reflectance spectroscopy (FTIRRS). Preliminary discussion was also given about possible structure of radical anion. FTIRRS is used to obtain differential infrared spectra of reaction intermediates and species adsorbed on electrode surface in electrochemical systems, and has been proved to be a highly sensitive spectroelectrochemical technique.

利用傅里叶变换红外光谱法原位记录了对苯醌在Pt电极上还原产生的自由基阴离子的红外光谱,并对自由基阴离子的可能结构进行了初步讨论。这种技术被用于在电化学体系中获取反应中间物和电极表面吸附物的红外差示谱,是一种非常灵敏的光谱电化学技术。

 
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