| 1. |
- Backlin, Eric
(författare)
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A comparator for spectroscopic work
- 1930
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Ingår i: Review of Scientific Instruments. - : AIP Publishing. - 0034-6748 .- 1089-7623. ; 1:11, s. 662-666
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Tidskriftsartikel (refereegranskat)
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| 2. |
- Deodhar, Ganesh Bhaskar
(författare)
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Fine structure of K-absorption limit of silicon oxide
- 1930
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Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 125, s. 777-778
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Tidskriftsartikel (refereegranskat)abstract
- THAT the X-ray absorption limits are not simple but show a rather complicated structure has been known now for some time. The main difficulties in their experimental investigation are in respect of (1) amount of the absorbing substance, and (2) dispersion of the spectrograph. The amount of the absorber must not be either too great or too small, otherwise the details are lost. Secondly, the dispersion must be made as large as possible to bring out all the details and measure them with the usual accuracy.
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| 3. |
- Ekelöf, Stig
(författare)
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On the Ultramicrometer of Dowling
- 1929
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Ingår i: Journal of the Optical Society of America. - : Optical Society of America. - 0093-5433. ; 18:4, s. 337-341
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Tidskriftsartikel (refereegranskat)
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| 4. |
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| 5. |
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| 6. |
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| 7. |
- Lassen, Karen, et al.
(författare)
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A Study on how Cooking is Taught
- 1921
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Ingår i: International Journal of Home Economics. - : International Federation for Home Economics. - 1999-561X. ; 14:2, s. 69-79
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Tidskriftsartikel (refereegranskat)abstract
- There is no common research approach into how home economics educators teach cookery and food safety. A qualitative observation study of six teachers giving cookery classes to 14-year-old students shows how teachers make more or less conscious didactic choices about subject content. These different choices give the content different meanings. Teachers can create a foundation for formative education (bildung) when they enable students to routinize their own choreography, and conceptualise and reflect, when cooking collaboratively.
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| 8. |
- Norinder, Harald
(författare)
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On the nature of lightning discharges
- 1934
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Ingår i: Journal of the Franklin Institute. - 0016-0032 .- 1879-2693. ; 218:6, s. 717-738
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Tidskriftsartikel (refereegranskat)
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| 9. |
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| 10. |
- Pedersen, Kai O.
(författare)
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Temperature stability and denaturation of serum albumin
- 1931
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Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 128, s. 150-151
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Tidskriftsartikel (refereegranskat)abstract
- It has been shown by Svedberg and Sjögren1 that at ordinary temperature serum albumin is stable (that is, homogeneous with regard to molecular weight) in a region of pH varying between 4 and 9. These authors have also shown that outside of the stability region, but not too far from it, the serum albumin molecule is dissociated into smaller molecules. This first stage of breaking up of the molecule probably means the formation of particles of half the weight of the original molecule. The complete breaking up of the molecule follows immediately after this stage. The first stage has been shown to be reversible with regard to the molecular weight.
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