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Titlebook: Marktorientiertes Tourismusmanagement 1; Tourismusorte: Leitb Karlheinz W?hler Textbook 1997 Springer-Verlag Berlin Heidelberg 1997 Landsch

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發(fā)表于 2025-3-23 11:56:54 | 只看該作者
Karlheinz W?hlerlectrochemical and ultraviolet detection (HPLC-ECD and HPLC-UV) (.–.,.,.,.–.,.), liquid and gas chromatography-mass spectrometry (LC-MS and GC-MS) (.,.,.,.–.), postlabeling techniques (.P-HPLC [.], .P-TLC [thin-layer chromatography] [.–.], or fluorescent probe-HPLC [.]), antibody assays (.–.), and l
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發(fā)表于 2025-3-24 10:36:05 | 只看該作者
Karlheinz W?hleronment. With such techniques, an image that is related to the physiological parameter of interest can be calculated from the ratio of intensities obtained at two excitation or emission wavelengths, eliminating the concentration and light path dependence of the fluorescence intensity. To quantify the
17#
發(fā)表于 2025-3-24 14:06:20 | 只看該作者
Karlheinz W?hlerved in volatile organic solvents such as diethyl ether and coated at desired concentrations onto surfaces (for tests as settlement cues or antifouling agents); onto palatable prey that have been blotted dry; or onto finely powdered, dried algal or animal tissue that can then be imbedded in a gel mat
18#
發(fā)表于 2025-3-24 16:47:05 | 只看該作者
Karlheinz W?hlert bioassay, whether it is simple or complex, without understanding at least the fundamentals of how chemical cues or signals mediate the interaction in nature. Thus, the development of bioassay methods must be driven by an understanding of ecology and a knowledge of the natural history of the organi
19#
發(fā)表于 2025-3-24 22:23:10 | 只看該作者
m. The better understanding of aminoglycoside distribution and elimination is a direct consequence of an improved methodology for determination of drug levels and of a more refined data analysis. Therefore, it conforms to the subject of this symposium to review some of the problems connected with th
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發(fā)表于 2025-3-25 01:16:37 | 只看該作者
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