نتایج جستجو برای: protected zone
تعداد نتایج: 165149 فیلتر نتایج به سال:
It has been proposed recently that interacting Symmetry Protected Topological Phases can be classified using cobordism theory. We test this proposal in the case of Fermionic SPT phases with Z2 symmetry, where Z2 is either time-reversal or an internal symmetry. We find that cobordism classification correctly describes all known Fermionic SPT phases in space dimensionD ≤ 3 and also predicts that ...
We propose that Symmetry Protected Topological Phases with a finite symmetry group G are classified by cobordism groups of the classifying space of G. This provides an explanation for the recent discovery of bosonic SPT phases which do not fit into the group cohomology classification. We discuss the connection of the cobordism classification of SPT phases to gauge and gravitational anomalies in...
The hyporheic zone (HZ), as the connecting ecotone between surface- and groundwater, is functionally part of both fluvial and groundwater ecosystems. Its hydrological, chemical, biological and metabolic features are specific of this zone, not belonging truly neither to surface- nor to groundwater. Exchanges of water, nutrients, and organic matter occur in response to variations in discharge and...
The decapod fauna in the intertidal zone of rocky shores Chile is highly diverse, especially along northern and central mainland coasts, where influence cold Humboldt Current results high productivity. One most abundant species these ecosystems Cyclograpsus cinereus Dana, 1851. aim present study, carried out spring summer seasons between 2018 2020, was to determine spatial distribution patterns...
Chromis chromis is a key species in the Mediterranean marine coastal ecosystems where, in summer, recreational boating and its associated noise overlap. Anthropogenic noise could induce behavioural modifications in marine organisms, thereby affecting population dynamics. In the case of an important species for the ecosystem like C. chromis, this could rebound on the community structure. Here, w...
The purpose of this prospective study was to evaluate the results of primary treatment of flexor tendon laceration in zone II according to Verdan's zone system. Special emphasis was given to the postoperative rehabilitation program. Nineteen patients (23 fingers) with laceration of the flexor tendons in zone II were treated operatively. Twelve males and seven females were included in the study....
سازند آسماری مهم ترین سنگ مخزن نفتی مخازن زاگرس، بویژه در فرو افتادگی دزفول می باشد. این سازند در میدان کوپال عمدتاً از رخساره های سنگ آهکی دانه غالب بایوکلستی (فرامینیفری- جلبکی) تشکیل شده است. لیتولوژی های موجود شامل سنگ آهک، سنگ آهک دولومیتی، سنگ آهک حاوی تبخیری ها، دولومیت و تبخیری ها (مثل انیدریت و ژیپس) هستند. تحلیل های رخساره ای در چاه های شماره 6 ،40 و 4 این میدان، نشان می دهد که سازند آ...
By applying the framework of Dornbusch, Fischer, and Samuelson (1980) this paper extends the model for bilateral free trade arrangement into a multilateral free trade agreement (MFTA). We examine the determination of the area of specialization and the impact of a newly admitted country on the restructuring of specialization pattern for member countries of the MFTA. When the newly admitted count...
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