Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Erik Holst"'
Publikováno v:
The FASEB Journal. 16:45-53
In this study of 301 blood samples from 21 subjects, we found markedly higher levels of DNA damage (nonpyrimidine dimer types) in the summer than in the winter detected by single-cell gel electrophoresis. The level of DNA damage was influenced by the
Publikováno v:
Accreditation and Quality Assurance. 7:28-35
The paper describes rules for stating whether a measurement result indicates that the value of the measurand, e.g. the concentration of a substance in the blood, is in conformity or not in conformity with given specifications. Examples of the intende
Autor:
Poul Thyregod, Erik Holst
Publikováno v:
Journal of Statistical Computation and Simulation. 63:321-347
The likelihood ratio test for a specified value of the mean squared error is derived assuming observation from a normal distribution. The mean squared error is a well established tool for assessing closeness to a target value when bias as well as sam
Publikováno v:
Waste Management & Research: The Journal for a Sustainable Circular Economy. 16:150-159
Source separated biowaste was stored in containers at temper atures ranging from 16°C to 29°C in a climate chamber for two weeks, simulating outdoor storage in a domestic waste collec tion system. Samples of exuded percolate were collected after 3,
Autor:
Thomas Schneider, Erik Holst
Publikováno v:
Journal of Aerosol Science. 26:127-136
Aerosol measurement frequently requires that an aerosol sample be withdrawn from its environment. The sampled mass is not strictly proportional to the sampled volume because mass is present in discrete entities. This introduces a fundamental variabil
Publikováno v:
Gérontologie et société. 16:54-65
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 345:335-339
Filters charged with welding fume dust were developed and produced for internal and external quality assurance to evaluate and improve the performance of analytical methods used for monitoring iron, manganese, copper and titanium in the working envir
Publikováno v:
International Archives of Occupational and Environmental Health. 64:431-438
A Danish External Quality Assessment Scheme (EQAS) was carried out by the Danish National Institute of Occupational Health during the period 1988–1992. The scheme was implemented for 29 international laboratories from 15 countries assaying lead, ca
Autor:
Torben Bilde, C. Roepstorff, Tavs Folmer Andersen, Mette Madsen, Torben Sejr, Regis Blais, Henning Bay-Nielsen, Erik Holst
Publikováno v:
Scandinavian Journal of Urology and Nephrology. 25:101-106
In many countries prostatectomy is one of the most common surgical operations in elderly men. We used administrative data for the entire male population of Denmark to study temporal and regional variations in the use of prostatectomy from 1977 to 198