2-Phenylacetic acid–(E,E)-4,4'-(hydrazinediylidene)dipyridine (2/1)
نویسندگان
چکیده
منابع مشابه
- th / 0 21 10 44 v 1 1 4 N ov 2 00 2 Comments on the nuclear symmetry energy
According to standard textbooks, the nuclear symmetry energy originates from the kinetic energy and the interaction itself. We argue that this view requires certain modifications. We ascribe the physical origin of the kinetic term to the discreteness of fermionic levels of, in principle arbitrary binary fermionic systems, and relate its mean value directly to the average level density. Physical...
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This paper introduces a new class of oscillators that generate sinusoidal signals by formation of a circular standing wave on a ring (closed-loop) transmission line (t-line). A basic form of the circular standing wave oscillator (CSWO), schematically illustrated at the top left of Fig. 21.2.1, consists of a ring t-line and two pairs of cross-coupled inverters located at two opposite ports on th...
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In contrast to earlier studies (Bothwell et al. 1993, 1994; DeNicola and Hoagland 1996; Kiffney et al. 1997b), Hill et al. (1997) recently concluded that there was no effect of ambient solar ultraviolet (UV) radiation on periphyton and grazers in a small Tennessee stream. These conclusions were based on the appearance that grazing pressure by pleurocerid snails (Elimia clavaeformis) controlled ...
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Nonconsumptive mortality of mesozooplankton in Lake Constance was directly estimated by collecting dead zooplankton with sediment traps. Patterns of zooplankton sedimentation observed in the sediment trap reflected the population dynamics in the pelagic zone. The migration of Cyclops vicinus toward the sediment (where they spend their diapause) at the end of May resulted in a pronounced occurre...
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Geophysical and ecological dynamics within lakes of the McMurdo Dry Valleys, Antarctica, are controlled by the presence of permanent ice covers. Despite the importance of the permanent ice cover, there have been no studies that have examined specific couplings between changes in the geophysical properties of the ice covers and dynamic ecological processes within the underlying water column. Her...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810037694