走路左晃右晃
发表于 2025-3-26 23:02:17
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vasospasm
发表于 2025-3-27 01:27:57
Possibilities of Extensive Surgerylled systems. Microcomputer chips such as the Intel 80486 and Pentium and the Motorola 68000 series which are used in personal computers (PCs) have considerable computing power which can easily cope with the calculations and data processing required in chromatography. A parallel range of chips have
GRILL
发表于 2025-3-27 07:10:29
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anarchist
发表于 2025-3-27 10:27:11
W. Hohenberger,K. E. Matzel,U. Stadelmaierwing is not intended to be an exhaustive set of problems, but is aimed at consolidating theoretical knowledge by application to a broad range of problem-types. The questions have been grouped under the following headings:.Before tackling these problems the student should be familiar with the princip
为现场
发表于 2025-3-27 16:32:34
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overhaul
发表于 2025-3-27 18:42:06
Theoretical considerations,The aim of this chapter is to present a detailed discussion of the principles of chromatographic separations and methods of assessing the quality of the chromatograms obtained. The reader is also referred to the Glossary at the end of this book for additional explanations of the terminology used in this chapter.
温顺
发表于 2025-3-27 23:34:33
Introduction,sed until the 1930s when Lederer and others described their work on separation of plant pigments, including carotenoids and xanthophylls, and Zechmeister published the first book on chromatography in 1937 [.,.]. Paper and thin layer chromatography developed rapidly during this period with many appli
PLIC
发表于 2025-3-28 02:44:54
Gas chromatography,components in a mixture, from permanent gases, and hydrogen isotopes to essential oils in perfumes, fatty acids in vegetable oils and waxes and pollutants in water and soils. Although direct analysis is limited to compounds with a molecular weight up to 400–500, derivatives of non-volatile materials
亲爱
发表于 2025-3-28 07:07:43
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mastopexy
发表于 2025-3-28 14:23:29
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