Zobrazeno 1 - 10
of 38
pro vyhledávání: '"J S, Peterson"'
Publikováno v:
Magazine of Concrete Research. 47:209-217
In large concrete constructions, differences in temperature develop within the concrete mass as a result of slow dissipation of heat of hydration, causing thermal stresses and possibly early cracking of concrete. In some instances, cooling of concret
Autor:
J S, PETERSON
Publikováno v:
Chinese medical journal (Peking, China : 1932). 64(9-10)
Autor:
J S, PETERSON
Publikováno v:
Chinese medical journal (Peking, China : 1932). 64(9-10)
Autor:
J S, PETERSON
Publikováno v:
Chinese medical journal (Peking, China : 1932). 64(9-10)
Autor:
J S, PETERSON
Publikováno v:
Chinese medical journal (Peking, China : 1932). 64(9-10)
Autor:
J S, PETERSON
Publikováno v:
Chinese medical journal (Peking, China : 1932). 64(9-10)
Publikováno v:
Journal of refractive surgery (Thorofare, N.J. : 1995). 16(2)
Photoastigmatic refractive keratectomy (PARK) was studied in a multi-center clinical trial. The Nidek EC-5000 excimer laser was evaluated for its effect on refraction, visual acuity, and safety measures as part of a U.S. Food and Drug Administration
Autor:
J S, Peterson, C, Zwerling
Publikováno v:
American journal of industrial medicine. 34(3)
Using the Health and Retirement Study, we compare the health outcomes of older male construction workers with their counterparts in other occupations. We find that construction workers are more susceptible to musculoskeletal problems, chronic lung di