Results 211 to 220 of about 223,556 (265)
Some of the next articles are maybe not open access.
Preservation of Plant Material
Nature, 1942PRESERVATION of botanical material for teaching purposes is frequently necessary and is commonly achieved by keeping the material in alcohol. With whole plants, or bulky organs, for example many succulent fruits, large quantities of alcohol are required.
L G G Warne
exaly +2 more sources
Patch tests with fragrance materials and preservatives
Contact Dermatitis, 1985179 patients suspected of cosmetic allergy were patch tested with a series of 16 fragrance materials and 9 preservatives. In 67 patients (37.4%), for more of these substances gave positive reactions. In the group of fragrance materials, the largest numbers of positive patch test reactions were seen to isocugenol, oak moss, geraniol, α‐amylcinnamic ...
DEGROOT, AC +3 more
openaire +3 more sources
Metallurgist, 2007
New preservative-stamping oil Volgol-131 has been developed by the company Volgokhimneft’. The oil can be used for the long-term corrosion protection of cold-rolled electrogalvanized or hot-galvanized rolled products and for stamping parts. The oil can be applied to the surface of metal by immersion, rubbing, or spraying-including electrostatic ...
openaire +1 more source
New preservative-stamping oil Volgol-131 has been developed by the company Volgokhimneft’. The oil can be used for the long-term corrosion protection of cold-rolled electrogalvanized or hot-galvanized rolled products and for stamping parts. The oil can be applied to the surface of metal by immersion, rubbing, or spraying-including electrostatic ...
openaire +1 more source
Preservation of biological materials under desiccation
Critical Reviews in Food Science and Nutrition, 1997A number of life forms, including seeds, certain nematodes, bacterial and fungal spores, and cysts of certain crustaceans, show an ability to survive desiccation. The present article reviews the literature available on this subject and critically evaluates the evidence for various mechanisms that may be responsible for these phenomena.
J M, Aguilera, M, Karel
openaire +2 more sources
Journal of Electronic Resources in Medical Libraries, 2018
Now in its third edition, Preserving Digital Materials provides readers with an updated reference work that captures the big picture of digital preservation, including its evolution, current landsc...
openaire +1 more source
Now in its third edition, Preserving Digital Materials provides readers with an updated reference work that captures the big picture of digital preservation, including its evolution, current landsc...
openaire +1 more source
Selection of digital material for preservation in libraries
Journal of Librarianship and Information Science, 2012The process of selection underpins many important questions facing those libraries which have responsibility for preservation. Properties of digital material present challenges to established preservation selection drivers and practices, including the increasing volume of digital material; the complexity of some digital objects; changing forms of ...
Clare Ravenwood +2 more
openaire +1 more source
The preservation of photographic material
Journal of the Society of Archivists, 1990(1990). The preservation of photographic material. Journal of the Society of Archivists: Vol. 11, No. 1-2, pp. 41-43.
openaire +1 more source
The Dry Preservation of Fixed Plant Material
Stain Technology, 1950A method for the dry-preservation of fixed plant material, root tips and buds, is described. The method seems to be advantageous on long expeditions and when material has to be sent away.The material is transferred from the fixative to 70% alcohol (3 changes, 1/2 hour in the last). It is dried on blotting-paper.
openaire +2 more sources
Electronic access to and the preservation of heritage materials
The Electronic Library, 2003This paper gives a brief introduction to the Heritage Collection at Auckland City Libraries in New Zealand and notes the significant public support and commitment given to the preservation of heritage material. What, as an institution of cultural identity, Auckland City Libraries are doing to ensure the ongoing preservation of and improved access to ...
openaire +1 more source