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O Wolff

Publications and source records attributed to O Wolff.

5 recordsLinked to original sources
PubMed2000

Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results).

Wavelength modulation diode laser atomic absorption spectrometry is applied to the detection of atomic mercury. Transitions from metastable energy levels highly populated in a radio-frequency discharge are induced with laser diodes by use of nonlinear techniques. The wavelength of one strong transition at 365.119 nm with a high oscillator strength is obtained by sum frequency generation of two diode lasers. The cold vapor technique is used to transfer ionic into atomic mercury. The mercury in the vapor phase is transported by an argon stream into the discharge tube. From the time-dependent absorption signals detection limits of 100 ng/L are achieved at this state of research.

Journal Article↗
PubMed1980

Comprehensive management of children on a paediatric ward: a family approach.

A team approach in the comprehensive management of children on a general paediatric ward is described. The team comprises paediatricians, nurses, a child psychiatrist, and a social worker, with a psychologist, play-leader, and teachers making important contributions. In this way members of the team learn from each other, and the paediatrician in training gains valuable experience about the management of children with emotional problems. The team approach is based on the principles of family therapy, but it also uses other forms of therapy--such as behavioural, marital, and individual. Children with severe psychosomatic problems in particular can be helped by such treatment, but other emotional problems are also suitable for management using such an approach.

Child↗