• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 333
  • 307
  • 188
  • 38
  • 30
  • 26
  • 18
  • 13
  • 12
  • 6
  • 6
  • 3
  • 3
  • 1
  • 1
  • Tagged with
  • 1075
  • 327
  • 171
  • 139
  • 96
  • 88
  • 75
  • 73
  • 71
  • 70
  • 69
  • 63
  • 61
  • 60
  • 58
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Current Status of Transcatheter Aortic Valve Implantation: A Systematic Review of Non-orthodox Deployment Strategies

Pan, Hao 01 May 2012 (has links)
A Thesis submitted to The University of Arizona College of Medicine - Phoenix in partial fulfillment of the requirements for the Degree of Doctor of Medicine. / points included feasibility, safety, efficacy, and durability. Results: The current literature regarding TAVI is limited to observational studies. Overall procedural success rates ranged from 90% to 100%. The incidence of major adverse events included: 30-day mortality (0%-18%), major adverse cardiovascular and cerebral events ranged from 2% to 35% and the rate of postoperative multiple organ failure was 2% to 8%. There was statistically significant hemodynamic improvement demonstrated by postoperative echocardiography measurements with no significant deterioration up to 6 months postprocedure. Survival at 6 months ranged from 59% to 93%. Only 5 one study with long-term of transapical TAVI follow-up could reliably evaluate long-term survival of 58% at 3 years. Significance: TAVI has proven to be feasible and potentially an effective intervention for non-surgical patients with symptomatic aortic stenosis. Although short-term efficacy based on echocardiography has been promising, there is a paucity of data concerning long-term outcomes. The evolution of TAVI will be dependent on the development of a valid tool for estimating the surgical risk to define indications for surgical aortic valve replacement versus transcatheter aortic valve implantation.
2

The near surface structure of N[superscript]+[subscript]2-implanted 440c stainless steel / Near Surface Structure of N [superscript +] [subscript 2] -Implanted 440C Stainless Steel

Huang, Pao-Cheng 08 1900 (has links)
No description available.
3

Recoil ion implantation /

Grosser, Malcolm Paul. Unknown Date (has links)
Thesis (MEng in Electronic Engineering)--University of South Australia, 1996
4

Ti:sapphire fabrication via high energy ion implantation

Morpeth, Leigh David Unknown Date (has links) (PDF)
A Ti:sapphire waveguide laser is attractive as it would provide a compact, stable, broadly tunable (660-1180 nm) and versatile radiation source ideal for remote sensing or spectroscopy. This thesis reports the applicability of ion implantation to the fabrication of the Ti:sapphire waveguide laser in c-axis oriented Al2O3. These results comprise the first realisation of the Ti:Al2O3 material by ion implantation. The substrate quality was optimised for the synthesis conditions and co-implantation was explored though a comparative study of Cr/O. The formation of waveguides via direct and indirect approaches was then pursued with limited success.
5

Ti:sapphire fabrication via high energy ion implantation /

Morpeth, Leigh David. January 2002 (has links)
Thesis (Ph.D.)--University of Melbourne, School of Physics, 2003. / Typescript (photocopy). Includes bibliographical references.
6

Klinische Ergebnisse nach Implantation einer OrTra-Schulterprothese

Rommelspacher, Yorck, January 2009 (has links)
Ulm, Univ., Diss., 2009.
7

Two-dimensional photoelastic stress analysis of varying locations of an elastic membrane within an endosteal dental implant

Stewart, Ronald C. January 1982 (has links)
Thesis (M.S.)--University of Michigan, 1982. / Typescript (photocopy). Includes bibliographical references (leaves 108-120). Also issued in print.
8

Biocompatibility and Microstructural Characterization of Pvd Coated and Nitrogen Implanted Co-Cr Alloy/

Türkan, Uğur. Öztürk, Orhan January 2004 (has links)
Thesis (Master)--İzmir Institute of Technology, İzmir, 2004. / Includes bibliographical references (leaves. 80-83).
9

La Localisation dynamique des unités de production : une expérience de nomadisme industriel et essai de généralisation /

Posso, Patrick. January 1974 (has links)
Thèse--Sci. écon.--Lausanne, 1974. / Bibliogr. p. 223-224.
10

Two-dimensional photoelastic stress analysis of varying locations of an elastic membrane within an endosteal dental implant

Stewart, Ronald C. January 1982 (has links)
Thesis (M.S.)--University of Michigan, 1982. / Typescript (photocopy). eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 108-120).

Page generated in 0.1924 seconds