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COI synopsis: A plant depends on its roots and its roots depend on... what? The results of this fascinating research into the root system could bring about a big saving in labour, expense and time.
Describes the normal processes of infection of clover root hairs by root-nodule bacteria and subsequent nodule formation. Shows the root-hair surface using scanning electron microscopy, the initiation of...
Radio programme on the theme of different times of the day. This episode ends with Romeo and Juliet debating whether the bird they can hear is a nightingale or a lark (III v) that heralds the beginning of a...
COI synopsis: As insects develop immunity - insecticides have to be made more and more powerful threatening all forms of wildlife. Now experiments with a sterilising agent in food successfully used on the...
Looks at the factors involved in the instrumentation of root canals, considers each factor and explains how to achieve clean and properly shaped canals. Discusses in detail this procedure, the ‘step...
A computer exploration of cubic curves, scaling and translating them to see the possibilities. What sort of number is the square root of 2? Numbers can be considered from the point of view of either geometry...
Apicectomy is the surgical amputation of the apex of the tooth root. This programme discusses the theory and aims of apicectomy; the principal indications for the operation; the instruments used; the...
Stresses the need to be clear about the shape of the root canal before preparing a tooth for root canal filling; discusses the theory of access cavity design; using a phantom head, shows the actual cutting...
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Related searches have been automatically generated using the OpenCalais semantic analysis service.
Related searches have been automatically generated using the OpenCalais semantic analysis service.