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Titlebook: Insekten auf Reisen; Erik Tetens Nielsen Book 1967 Springer-Verlag Berlin-Heidelberg 1967 Fische.Insekten.Tiere.Tierwanderung.Umwelt.Verha

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樓主: 瘦削
11#
發(fā)表于 2025-3-23 12:35:31 | 只看該作者
Nachwort,Welche allgemeinen Grunds?tze kann man hinter dem, was wir vom Wandertrieb der Insekten wissen, ahnen?
12#
發(fā)表于 2025-3-23 14:16:52 | 只看該作者
13#
發(fā)表于 2025-3-23 21:10:22 | 只看該作者
uting poles and zeros on Smith charts generally do not work. In the past, such approaches have lead to suboptimal designs for applications where the data capacity sought is considerably less than the Shannon capacity of the lines. Typical subscriber loops are less than perfect and for the current de
14#
發(fā)表于 2025-3-24 01:21:54 | 只看該作者
Erik Tetens Nielsen Dr. phil.ytical techniques for generation and processing of the ABCD matrices are included. Computational data and file handling aspects are addressed. For the physical environment of the HDSL, the typical subscriber loop makeup, the overall topology and its physical distances over which the HDSL data transm
15#
發(fā)表于 2025-3-24 03:11:28 | 只看該作者
Erik Tetens Nielsen Dr. phil.es to the Subscriber, and up to 155 Mbps from data distribution centers to desk tops. Rates higher than the basic information rate at 144 kbps, i.e., the H0 (384 kbps), 768 kbps, are discussed in Chapter 11. Most telephone networks have at least one metallic connection to the customers from the Cent
16#
發(fā)表于 2025-3-24 08:01:11 | 只看該作者
Erik Tetens Nielsen Dr. phil.pecificity and drug efficacy to minimize or completely eradicate significant side effects on patients [2]. Cancer nanotherapeutics overcome many serious drawbacks of chemotherapy such as nonspecific targeting, lower efficacy, insolubility of drug moieties in water, and oral bioavailability [3]. Acco
17#
發(fā)表于 2025-3-24 14:19:20 | 只看該作者
Erik Tetens Nielsen Dr. phil. operating conditions and specifications. Examples of such specifications are the voltage conversion ratio range, the maximal output power, power conversion efficiency, number of components, power density, galvanic separation of in- and output, etc. In order for the designer to obtain a clear view o
18#
發(fā)表于 2025-3-24 15:48:03 | 只看該作者
Erik Tetens Nielsen Dr. phil.rpose of monolithic DC-DC converters a new set of challenges emerge, both in terms of the control strategy and the basic design of the control system. This is due to the requirement of high switching frequencies and short switching times, needed to guarantee the optimal performance of the monolithic
19#
發(fā)表于 2025-3-24 19:15:22 | 只看該作者
Erik Tetens Nielsen Dr. phil. them claiming good performance. Since no performance comparison of these structures under arbitrary (strongly correlated nonuniform, short "ugly") data distributions and under various types of queries has been performed, database researchers and designers were hesitant to use any of these new point
20#
發(fā)表于 2025-3-25 03:06:50 | 只看該作者
Erik Tetens Nielsen Dr. phil. them claiming good performance. Since no performance comparison of these structures under arbitrary (strongly correlated nonuniform, short "ugly") data distributions and under various types of queries has been performed, database researchers and designers were hesitant to use any of these new point
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