نتایج جستجو برای: فرآیند sima

تعداد نتایج: 32484  

Journal: :American journal of physical anthropology 2000
J M Parés A Pérez-González A B Weil J L Arsuaga

We report new paleomagnetic data for the Middle Pleistocene hominid-bearing strata in the Sima de los Huesos, North Spain. Sediments (brown muds with human and bear fossils and the underlying sterile clayey and sandy unit) preserve both normal and reversed magnetic components. The sterile unit has exclusively reversed magnetization, dating back to the Matuyama Chron, and thus is Lower Pleistoce...

Journal: :JCP 2017
Christian Brandstatter Samer Schaat Alexander Wendt Martin Fittner

An autonomous agent must know where it is, which objects are in the nearby surrounding area and where it can find already seen, far away objects. On the basis of the existing cognitive architecture Simulation of Mental Apparatus and Applications (SiMA) at the Institute of Computer Technology (ICT) we show, how cognitive architectures can get extended by location awareness and navigation. This p...

Journal: :Journal of human evolution 2008
I Martínez J L Arsuaga R Quam J M Carretero A Gracia L Rodríguez

This study describes and compares two hyoid bones from the middle Pleistocene site of the Sima de los Huesos in the Sierra de Atapuerca (Spain). The Atapuerca SH hyoids are humanlike in both their morphology and dimensions, and they clearly differ from the hyoid bones of chimpanzees and Australopithecus afarensis. Their comparison with the Neandertal specimens Kebara 2 and SDR-034 makes it poss...

2015
Rodrigo S Lacruz Timothy G Bromage Paul O'Higgins Juan-Luis Arsuaga Chris Stringer Ricardo Miguel Godinho Johanna Warshaw Ignacio Martínez Ana Gracia-Tellez José María Bermúdez de Castro Eudald Carbonell

Neanderthals had large and projecting (prognathic) faces similar to those of their putative ancestors from Sima de los Huesos (SH) and different from the retracted modern human face. When such differences arose during development and the morphogenetic modifications involved are unknown. We show that maxillary growth remodelling (bone formation and resorption) of the Devil's Tower (Gibraltar 2) ...

Journal: :Heart 2002
D P Taggart

The clinical and prognostic benefits of coronary artery bypass grafting (CABG) are well accepted for certain subgroups of patients with ischaemic heart disease, and as many as one million patients undergo this operation annually on a worldwide basis. Most CABG patients require grafting of the three main native coronary arteries; for the last 15 years the “standard” operation has achieved this u...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
I Martínez M Rosa J-L Arsuaga P Jarabo R Quam C Lorenzo A Gracia J-M Carretero J-M Bermúdez de Castro E Carbonell

Human hearing differs from that of chimpanzees and most other anthropoids in maintaining a relatively high sensitivity from 2 kHz up to 4 kHz, a region that contains relevant acoustic information in spoken language. Knowledge of the auditory capacities in human fossil ancestors could greatly enhance the understanding of when this human pattern emerged during the course of our evolutionary histo...

Journal: :American journal of physical anthropology 2011
Michael J Walker Jon Ortega Mariano V López Klára Parmová Erik Trinkaus

The Sima de las Palomas, southeastern Spain, has yielded a series of Neandertal postcranial remains, including immature and mature isolated elements and the fragmentary partial skeleton of a young adult (Palomas 92). The remains largely conform to the general late archaic/Neandertal morphological pattern in terms of humeral diaphyseal shape, pectoralis major tuberosity size and pillar thickness...

1999
Egil Aarstad Lars Burgstahler Martin Lorang

This paper describes the Flow to VC mapping control module that is embedded in the RSVP over ATM implementation of the ACTS project DIANA. As part of an edge router at the ingress to the ATM network, this module provides signalling translation from RSVP to ATM, handles the admission of flows to ATM VCs and controls an IP over ATM queueing discipline. It is thus an example of a traffic descripto...

2003
Eeva Nyberg Samuli Aalto

We study what kind of differentiation can be achieved using DiffServ without admission control using a relative services approach, i.e. the rate of the flow should be in proportion to the contracted rate. We model analytically differentiation mechanisms proposed in such proposals as AF and Simple Integrated Media Access (SIMA) with emphasis on modelling the interaction between various different...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Michael J Walker Josep Gibert Mariano V López A Vincent Lombardi Alejandro Pérez-Pérez Josefina Zapata Jon Ortega Thomas Higham Alistair Pike Jean-Luc Schwenninger João Zilhão Erik Trinkaus

Middle Paleolithic fossil human remains from the Sima de las Palomas in southeastern Iberia (dated to <or=43,000-40,000 calendar years before present) present a suite of derived Neandertal and/or retained ancestral morphological features in the mandibular symphysis, mandibular ramus, dental occlusal morphology, and distal hand phalanx. These traits are combined with variation in the mandibular ...

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