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Endovascular Aneurysm Repair: Current and Future Status.

Endovascular aneurysm repair has rapidly expanded since its introduction in the early 1990s. Early experiences were associated with high rates of complications including conversion to open repair. Perioperative morbidity and mortality results have improved but these concerns have been replaced by questions about long-term durability. Gradually, too, these problems have been addressed. Challenges o

Integrating interdisciplinary problem solving through process

An intuitive and appealing way to characterize problem solving is as the application of constraints which reduce the problem-solution space. Any advantage offered by interdisciplinary problem solving would then plausi- bly derive from the integration of constraints from the fields involved. We propose an account of interdisciplinary problem solving which treats the integration of constraints as an

Characterization of the gene for prostate-specific antigen, a human glandular kallikrein

The gene for the human glandular kallikrein, prostate-specific antigen, has been cloned. The sequence of 7130 nucleotides encompassing the gene and 633 bp of 5' and 639 bp of 3' flanking DNA has been determined. The translation initiation site was slightly heterogeneous, yielding 5' non-translated leader sequences of 41 and 35 bp. The gene is divided into five exons, with introns located at positi

Structuring Complexity in Sustainability Science with the Multilevel DPSIR Framework: the Case of the Swedish Sugar System

Sustainability science needs new methods which allow integration of knowledge across disciplines and scales. This paper suggests an approach to conceptualize problems of unsustainability by embedding the Drivers-Pressure-State-Impact-Response (DPSIR) scheme within a multilevel institutional framework represented by Torsten Hägerstrand’s system of nested domains. The proposed taxonomy assists to de

Iterative Joint Channel Estimation and Multiuser Detection for Wireless MIMO-OFDM Systems: Performance in a Real Indoor Scenario

An iterative receiver for Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) wireless systems is presented and tested on channel measurements from a real indoor scenario. The receiver jointly performs channel estimation and multiuser detection, with soft information iteratively provided by the singleuser decoders. Results for the performance are presented in te

Inductive coupling matrix of a multiconductor system for a winding-on-core prototype

Broadband circuit models for electric machines are effective means to understand, predict, and control the phenomenon of conducted Electromagnetic Interference (EMI) from immunity/susceptibility perspective. These models should cover the capacitive and inductive coupling behavior of the component along the frequency range of interest. Circuit models used under generic SPICE simulation softwares ar