Guide the Diagnosis and Management of Chronic Heart Failure To the Editor: We read with interest the viewpoint of Dr Milton Packer in a recent editorial1 accompanying a study examining the behavior of B-type natriuretic peptides in outpatients with congestive heart failure (CHF).2 Dr Packer1 suggested that B-type natriuretic peptides (BNPs) have not been shown to “improve upon the information d...

This study presents a comprehensive finite element (FE) analysis of cold-formed high strength steel (CFHSS) tubular T-joints. The brace members T-joints were made up rectangular (including square) and circular hollow sections (RHS CHS), whereas the chord RHS. nominal yield strengths (i.e. 0.2% proof stresses) 900 960 MPa for S900 S960 steels, respectively. Finite models developed verified again...

Abstract Drilling along the coal seam is an effective method for large-scale gas control. The distribution law of stress field determined by parameters affecting drilling seam, thereby drainage effect seam. In order to study and borehole residual plastic zone, radius softening radial displacement body on hole wall axial range are used construct calculation model sealing length; strength establi...

A new species of the bee genus Geodiscelis Michener & Rozen, 1999, G. antiminera sp. nov., is here described and illustrated. This is the sixth species of the genus, and the second recorded from Peru. The combination of malar area ~1.5x longer than wide, wing veins dark-brown, metepisternum nearly glabrous, and medioventral process on gonocoxa conical and well-developed, separates G. antiminera...

1 MaCaron MM, Wood JD. The cocaine "body packer" syndrome diagnosis and treatment. JAMA 1983; 250: 141720. 2 Caruana DS, Weinbach B, George D, Gardner LB. Cocainepacket ingestion. Ann Intern Med 1984; 100: 73-4. 3 Lancshire MJR, Legg PK, Lowe M, Davidson SA, Ellis BW. Surgical aspects of international drug smuggling. BMJ 1988; 296, 1035-7. 4 Dassel PM, Punjabi E. Ingested marihuana filled ballo...

The block-packing problem has applications in chip design, factory layout, container shipment optimization, scheduling and other areas. It has been actively studied in the last 20 years, but symmetry in packings has been neglected. Our work deals with symmetry in several formulations of block-packing, including optimization and constraint-satisfaction variants, as well as slicing and non-slicin...

We consider the problem of computing the squared volume of the largest j-simplex contained in an n-dimensional polytope presented by its vertices (a V -polytope). We show that the related decision problem is W [1]-complete, with respect to the parameter j. We also improve the constant inapproximability factor given in [Packer, 2004, Discrete Applied Mathematics, 134], by showing that there are ...

The bee genus Mirnapis is revised. Mirnapis ohloweni Packer and Dumesh new species, is described from East of Nazca, Peru and compared to both sexes of the type species, M. inca Urban, based upon material from northern Chile. Thus, the female of the genus is described for the first time. Both sexes of both species are illustrated and variation in some important characteristics noted. The new ma...

Electrokinetic Enhanced Transport of Zero Valent Iron Nanoparticles for Chromium(VI) Reduction in Soils Helena I. Gomes*, Celia Dias-Ferreira, Alexandra B. Ribeiro, Sibel Pamukcu Department of Civil and Environmental Engineering, Fritz Engineering Laboratory, 13 E. Packer Avenue, Lehigh University, Bethlehem, PA 18015-4729, USA b CENSE, Departamento de Ciências e Engenharia do Ambiente, Faculda...

An interior point constraint generation algorithm for semi-infinite optimization with healthcare application* Mohammad R. Oskoorouchi† College of Business Administration, California State University San Marcos, San Marcos, California 92096, USA, Email: [email protected] Hamid R. Ghaffari Department of Mechanical and Industrial Engineering, University of Toronto, Toronto ON, M5S 3G8, Canada, Em...