A. D. Sacharow - Friedensnobelpreis 1975

Zeitschrift für Naturforschung / A / 30 (1975)

The range of the radiocarbon dating method can be extended by about 20,000 years by means of thermal diffusion isotopic enrichment. A description of the Clusius-Dickel type enrichment columns and their operation is given. Prior to enrichment the carbonaceous sample material is combusted to C0 2 and then reduced to CO. The enriched sample is re-oxidized to C0 2 . The combustion-, reductionand ox...

Psychiatric Services in 1975

Op-brai150136 1961..1975

Disinhibition is a cardinal feature of the behavioural variant of frontotemporal dementia, presenting as impulsive and impetuous behaviours that are often difficult to manage. The options for symptomatic treatments are limited, but a potential target for therapy is the restoration of serotonergic function, which is both deficient in behavioural variant frontotemporal dementia and closely associ...

Dmd054031 1975..1993

Prediction of human pharmacokinetics of new drugs, as well as other disposition attributes, has become a routine practice in drug research and development. Prior to the 1990s, drug disposition science was used in a mostly descriptive manner in the drug development phase. With the advent of in vitro methods and availability of human-derived reagents for in vitro studies, drugdisposition scientis...

Employee-benefit plans, 1975.

Despite the national decline in the number of employed workers in 1975, the number of workers covered lnder most types of employee-benefit plans increased slightly. Contributions and benefit payments underwent the greatest change. Total contributions increased 17 percent and benefit payments rose 14 percent. In part this change can be attributed to inflation, but it also reflects real growth in...