نتایج جستجو برای: plant chemistry

تعداد نتایج: 498954  

2009

Inferred pH means pH calculated from straight and cation conductivity. The calculation can be applied to condensate, feedwater, and boiler water. Although not widely used in the United States, inferred pH is popular in Europe. Some plant chemists find inferred pH useful because it eliminates the need to measure pH directly, which without proper equipment can be a difficult task. This paper disc...

2007
V. H. HEYWOOD Peter Davis

Although the hybrid discipline of biochemical systematics has been a distinct field of study for only about ten years, it has had a telling impact on taxonomic practice. Nevertheless, the chemical approach, with its emphasis on the exact, tends to exlude much of the wealth of natural phenomena that are the backbone of taxonomy. It is necessary for the chemist and biochemist to acquire a better ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

2013
Asad Jan Kyonoshin Maruyama Daisuke Todaka Satoshi Kidokoro Mitsuru Abo Etsuro Yoshimura Kazuo Shinozaki Kazuko Yamaguchi-Shinozaki

Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki 305–8686, Japan (A.J., K.M., D.T., K.N., K.Y.-S.); Laboratory of Plant Molecular Physiology (S.K., K.Y.-S.) and Laboratory of Analytical Chemistry (E.Y.), Graduate School of Agricultural and Life Sciences, University of Tokyo, Bunkyo-ku, Tokyo 113–8657, Japan; Departme...

2014
Shaopei Gao Jun Fang Fan Xu Wei Wang Xiaohong Sun Jinfang Chu Baodong Cai Yuqi Feng Chengcai Chu

Key Laboratory of Cell Proliferation and Regulation Biology of the Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China (S.G.); State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China (S.G., J.F., F.X., W.W., X.S.,...

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2003
Martyn M Caldwell Carlos L Ballaré Janet F Bornman Stephan D Flint Lars Olof Björn Alan H Teramura G Kulandaivelu Manfred Tevini

Based on research to date, we can state some expectations about terrestrial ecosystem response as several elements of global climate change develop in coming decades. Higher plant species will vary considerably in their response to elevated UV-B radiation, but the most common general effects are reductions in height of plants, decreased shoot mass if ozone reduction is severe, increased quantit...

2016
Augustin C. Mot Erik Prell Maria Klecker Christin Naumann Nico Dissmeyer

1 Independent Junior Research Group on Protein Recognition and Degradation, Leibniz Institute of Plant Biochemistry 8 (IPB), Weinberg 3, D-06120 Halle (Saale), Germany 9 2 ScienceCampus Halle – Plant-based Bioeconomy, Betty-Heimann-Str. 3, D-06120 Halle (Saale), Germany 10 3 Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry (IPB), Weinberg 3, D-06120 Halle (Saale), 11 ...

2003
FRANKLIN E. BARTON Richard B. Russell

Barton, F.E., II, 1988. Chemistry of lignocellulose: methods of analysis and consequences of structure. Anita. Feed Sci. Technol., 21: 279-286. Historically, the chemistry of lignocellulose has been the chemistry of the extraction, solvolysis, hydrolysis and analysis of cellulose and lignin from plant material. The analyses used to determine their relative content are empirical, i.e., the value...

2015
Thatree Autsavakitipong Parirat Khonsung Ampai Panthong Natthakarn Chiranthanut Narong Nuntasaen Thaworn Jaipetch Samreang Bunteang Vichai Reutrakul

Center of Excellence for Innovation in Chemistry, Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand. Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand. The Forest Herbarium National Park, Wildlife and Plant Conservation Department, Ministry of Natural Resources and Environment, Bangkok 10220, Thail...

Journal: :Evidence-Based Complementary and Alternative Medicine 2005

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