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| 2. |
- Babushkin, O., et al.
(författare)
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Diffusionless phase transition in the ZrO2-TiO2 system
- 1994
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Ingår i: Solid-solid phase transformations. - Warrendale, Pa. : Minerals, Metals & Materials Society. - 0873392787 ; , s. 743-748
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Konferensbidrag (refereegranskat)abstract
- Stable and metastable phase relationships in the ZrO2-TiO2 system were investigated using homogeneous samples with ZrO2 particles of different surface area. Phase analysis associated with the diffusionless and reversible monoclinic-tetragonal transition has been performed with high temperature X-ray diffractometry. The rate of the phase transition, depending on powder morphology, is presented. The character of the hysteresis loop associated with the martensitic phase change for pure ZrO2 and for the ZrO2-TiO2 system is discussed
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| 3. |
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| 4. |
- Hunter, William W, et al.
(författare)
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Comparative performance study of longitudinal roadside barriers and end treatments
- 1994
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Ingår i: Proceedings of Strategic Highway Research Program (SHRP) and traffic safety on two continents. Conference in Hague, Netherlands, September 22-24, 1993. - Linköping : Statens väg- och transportforskningsinstitut. ; , s. 119-142
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 5. |
- Möller, Claes, 1950-, et al.
(författare)
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Otoneurological findings in workers exposed to styrene
- 1990
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Ingår i: Scandinavian Journal of Work, Environment and Health. - : Scandinavian Journal of Work, Environment and Health. - 0355-3140 .- 1795-990X. ; 16:3, s. 189-194
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Tidskriftsartikel (refereegranskat)abstract
- An otoneurological test battery was administered to 18 workers with long-term exposure (6-15 years) to styrene at levels well below the current Swedish limit (110 mg/m3). The results were compared with those of a reference group. Disturbances were found in the central auditory pathways of seven workers. Tests reflecting central processing of impulses from different sensory equilibrium organs were abnormal for 16 workers. The most relevant tests seemed to be static posturography and the rotatory visual suppression test. In the posturography the styrene group had a significantly larger sway area than the reference group. In the visual suppression test, the styrene workers displayed a significantly poorer ability to suppress vestibular nystagmus than the reference group. It was concluded that styrene exposure in industrial environments at moderate or low levels causes central nervous system disturbances which are not always diagnosable with psychometric tests but can be apparent in special otoneurological tests.
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| 6. |
- Tham, Richard, et al.
(författare)
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Vestibulotoxicity of organic solvents
- 1991
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Ingår i: Fourth international conference on combined effect of environmental factors. - : Johns Hopkins University. ; , s. 101-105
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Konferensbidrag (refereegranskat)
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| 7. |
- Westgren, N, et al.
(författare)
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Pregnancy and delivery in women with a traumatic spinal cord injury in Sweden, 1980-1991.
- 1993
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Ingår i: Obstetrics and Gynecology. - 0029-7844 .- 1873-233X. ; 81:6, s. 926-30
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To evaluate the incidence of delivery in women after a traumatic spinal cord injury and to describe pregnancy outcome in this group of patients.METHODS: Between 1980-1991, 29 women with a traumatic spinal cord injury experienced 49 pregnancies and gave birth to 52 children in Sweden. A retrospective chart review of the antepartum, intrapartum, and perinatal records of these patients was performed. In addition, all patients participated in a telephone interview held by one of the authors. Of the 29 women, 12 had lesions above T5 and 17 had lesions at T5 or below.RESULTS: Antenatal complications occurred frequently in this group. Nine of 12 patients with lesions above T5 had symptoms of autonomic hyperreflexia during pregnancy and/or delivery. Only in a minority of the women was the problem recognized by the medical professionals. Nine of the infants (19%) were born preterm and two were small for gestational age. The perinatal mortality rate was two of 52 (3.8%) and occurred in two cases of abruptio placentae. Few of the patients were allowed to deliver vaginally. The cesarean delivery rate for women with lesions above T5 was 47% and for women with lesions below that level, 26%.CONCLUSION: The overall prognosis for these women was favorable. However, women with higher spinal cord lesions would probably benefit from referral to centers with a particular interest and expertise in the management of their problems.
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