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14篇 您的检索式:作者名="Frantisek K"
    题名 作者 年代 出处 被引量
1木质素腐植酸的结构特征显示文摘从木质素磺酸盐氧化和水解转化后的产物——木质素腐植酸盐中分离出腐植酸组分,并用化学和光谱学(UV/VIS,FT-IR,^(13)C-NMR光谱学)的方法对其组成和结构进行表征。同时,从褐煤和山地云杉林森林土有机层中分离出腐植酸,以作为对照。与其它来源的腐植酸相比,木质素腐植酸(LHHA)羧基含量相对较低,而其酸性在一定程度上是通过磺酸基所体现出来的。木质素及其相应腐殖质的^(13)C-NMR光谱在55.9 ppm处有明显的位移,这是其甲氧基碳的信号,而其它烷氧基碳的数量非常有限,如脂肪碳。由于这些类型的碳含量相对较低,木质素腐植酸的芳香度较高,为60.6%。相比天然的腐植酸,木质素磺酸盐经热处理后所得的木质素腐植酸盐则被认为是一种工业化生产的天然腐植物质的类似物。根据化学和光谱学数据评估结果,阐明了从木质素腐植酸盐提取的腐植酸的结构特征,且提出了其可能的化学结构,从而描述了分离组分的典型'平均'特征。FrantiSek Novák Martina Sestauberová Richard Hrabal 张水勤(译) 袁亮(译) 赵秉强(译) 2016腐植酸2016,0,1:3
2Characteristics of thermal cycling in a magnesium alloy composite显示文摘Frantisek C Pavel L Jens K 2002Materials Science and Engineering2002,325,:1
3Morphological and functional alterations in endothelium, smooth muscle, and nerve fibers in rabbit aorta after storage at 4 ℃ 显示文摘Frantisek K Jozef T Jana S 1993Cryobiology1993,30,:1
4Crystallization ofsynthetic hydrotalcite under hydrothermal conditions显示文摘Frantisek K David K Zuzana C 2005Applied Clay Science2005,28,:1
5Mutagenicity of Natural Anthraquinones from Rubia tinctorum in the Drosophila Wing Spot Test显示文摘Frantisek M Ivana K Alexandr J 2001Planta Med2001,67,:1
6Mutagenicity of natural anthraquinones from Rubia tinctorum in the Drosophila Wing Spot Test显示文摘M Frantisek K Ivana J Alexandr 2001Planta Med2001,67,:1
7Biogenic amines in vacuum-packed and non-vacuum-packed flesh of carp (Cyprinus carpio) stored at different temperatures显示文摘Martin K Frantisek V Lenka V 2004Food Chemistry2004,88,:1
8Determination of phytic acid in cereal grains in cereal grains, leg- umes and feeds by capillary lsotachophoresis 显示文摘Pavel B Frantisek K Ernst K 1995Journal of Agricultural and Food Chemistry1995,43,1:1
9Microstructural Aspects of Grain Growth Kinetics in Non-oriented Electrical Steels显示文摘Yuriy S Frantisek K 2005Materials Characterization2005,,55:1
10Isolation and characterization of ornithine transcarbamylase from normal Human liver显示文摘Frantisek K Baudouin F Leon E 1978The Journal of biological chemistry1978,253,16:1
11Microstructural aspects of grain growth kinetics in non-oriented electrical steels 显示文摘Yuriy S Frantisek K 2005Materials Characterization2005,55,:1
12Normalized difference vegetation index (NDVI) in the management of mountain meadows显示文摘Zuzana M Frantisek Z Jan K 2008Boreal Environment Research2008,13,5:1
13Studies on the effect of particle size on solid-state fermentation of sugarcane bagasse into animal feed using white-rot fungi显示文摘Frantisek Z Anil K P 1995Bioresource Technology1995,54,:1
14Expressivity of apomixis in 2n + n hybrids from an apomictic and a sexual parent:insights into varia- tion detected in Pilosella(Asteraceae:Lactuceae) 显示文摘Anna K Frantisek K Radka R 2011Sex Plant Reprod2011,24,:1
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