scholarly journals Recruitment and retention of participants in UK surgical trials: survey of key issues reported by trial staff

BJS Open ◽  
2020 ◽  
Vol 4 (6) ◽  
pp. 1238-1245
Author(s):  
J. C. Crocker ◽  
N. Farrar ◽  
J. A. Cook ◽  
S. Treweek ◽  
K. Woolfall ◽  
...  
Keyword(s):  
Surgical Trials ◽  
Recruitment And Retention ◽  
Trial Staff ◽  
Key Issues

Probing vacancies and structural distortions at individual defects in ceramics using EELS

1996 ◽  
Vol 54 ◽  
pp. 678-679
Author(s):  
D. J. Wallis ◽  
N. D. Browning
Keyword(s):  
Structural Information ◽  
Core Loss ◽  
Nearest Neighbors ◽  
Ceramic Materials ◽  
Scanning Transmission Electron Microscope ◽  
Real Space ◽  
Atomic Scale ◽  
Structure Property ◽  
Scanning Transmission ◽  
Key Issues

In electron energy loss spectroscopy (EELS), the near-edge region of a core-loss edge contains information on high-order atomic correlations. These correlations give details of the 3-D atomic structure which can be elucidated using multiple-scattering (MS) theory. MS calculations use real space clusters making them ideal for use in low-symmetry systems such as defects and interfaces. When coupled with the atomic spatial resolution capabilities of the scanning transmission electron microscope (STEM), there therefore exists the ability to obtain 3-D structural information from individual atomic scale structures. For ceramic materials where the structure-property relationships are dominated by defects and interfaces, this methodology can provide unique information on key issues such as like-ion repulsion and the presence of vacancies, impurities and structural distortion.An example of the use of MS-theory is shown in fig 1, where an experimental oxygen K-edge from SrTiO3 is compared to full MS-calculations for successive shells (a shell consists of neighboring atoms, so that 1 shell includes only nearest neighbors, 2 shells includes first and second-nearest neighbors, and so on).

Recruitment and retention of homeless mentally ill participants in research.

1996 ◽  
Vol 64 (5) ◽  
pp. 881-891 ◽  
Author(s):  
Richard L. Hough ◽  
Henry Tarke ◽  
Virginia Renker ◽  
Patricia Shields ◽  
Jeff Glatstein
Keyword(s):  
Mentally Ill ◽  
Recruitment And Retention ◽  
Homeless Mentally Ill

Recruitment and Retention of Adolescent Women in Drug Treatment Research

1996 ◽  
Author(s):  
Lawrence A. Palinkas ◽  
◽  
Catherine J. Atkins ◽  
Pamela Noel ◽  
Christopher Miller
Keyword(s):  
Drug Treatment ◽  
Recruitment And Retention ◽  
Adolescent Women ◽  
Treatment Research

Recruitment and Retention in Intimate Partner Violence Research

2003 ◽  
Author(s):  
Mary Ann Dutton ◽  
Amy Holtzworth-Munroe ◽  
Ernest Jouriles ◽  
Renee McDonald ◽  
Satya Krishnan ◽  
...  
Keyword(s):  
Intimate Partner Violence ◽  
Partner Violence ◽  
Intimate Partner ◽  
Recruitment And Retention ◽  
Intimate Partner Violence Research
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