Zobrazeno 1 - 10
of 35
pro vyhledávání: '"H. G. HOWELL"'
Publikováno v:
Journal of Applied Chemistry. 18:366-372
A microscope study has been made of the development of crystals of calcium sulphate hemihydrate produced on, or in, sheets of the dihydrate in the form of selenite by calcining under controlled conditions. The crystal forms were shown to be strongly
Autor:
J. Huftalen, S. Nachfolger, H. G. Howell, John M. Essery, William C. Rose, E. Cundliffe, H. Schmitz, Richard A. Partyka, Terrence W. Doyle, O'Herron Fa, T. Kaneko, J. Davies, W. T. Bradner
Publikováno v:
Journal of Medicinal Chemistry. 25:579-589
Approximately 60 derivatives of anguidin were prepared for evaluation of antitumor activities. Positions 3, 4, 8-10, and 15 were modified, and the resultant derivatives were screened against P-388 leukemia. It was found that introduction of the C3-ke
Autor:
H. G. Howell
Publikováno v:
Proceedings of the Royal Society of London. Series A - Mathematical and Physical Sciences. 155:141-150
The most probable electron configuration of the lighter diatomic molecules and the order of their electrons binding have been determined by Mulliken, but no such systematic scheme has yet been formulated for the heavier molecules. The reason for this
Autor:
H. G. Howell Richards, J. Dawson
Publikováno v:
The British Journal of Radiology. 23:270-273
1. A case of carcinoma in a herniated gastric cardia associated with short œsophagus is described, and the literature is reviewed. 2. It is pointed out that the diagnosis in vivo is made by co-ordination of radiological examination, œsophagoscopy a
Autor:
H. G. Howell
Publikováno v:
Proceedings of the Royal Society of London. Series A - Mathematical and Physical Sciences. 153:683-698
While work on the PbS absorption spectrum was in progress, it was noticed that at the highest temperatures used, 1400° C, a spectrum other than that of PbS was obtained. This was immediately attributed to PbO, formed by the dissociation and subseque
Autor:
J. Mazur, H. G. Howell
Publikováno v:
Journal of the Textile Institute Transactions. 44:T59-T69
(1953). AMONTONS' LAW AND FIBRE FRICTION. Journal of the Textile Institute Transactions: Vol. 44, No. 2, pp. T59-T69.
Autor:
H G Howell
Publikováno v:
Proceedings of the Physical Society. 59:107-111
The accepted view that the main CS and CSe band systems are 1π - 1Σ analogous to the Fourth Positive bands is criticized, and an alternative interpretation is put forward that they are 3π - 1Σ transitions, possibly the counterpart of the CO Camer
Autor:
Richards, H. G. Howell
Publikováno v:
Edinburgh Medical Journal
Autor:
H. G. Howell, George Dixon Rochester
Publikováno v:
Proceedings of the Royal Society of London. Series A - Mathematical and Physical Sciences. 148:157-170
Band spectra due to the oxides of many elements are well known, but as yet little is known about the spectra of the sulphides of the same elements. Especially is this true of the sulphides of the metals, for up to the present only one, germanium sulp
Autor:
H. G. Howell
Publikováno v:
Journal of the Textile Institute Transactions. 45:T575-T579
This paper describes measurements of the friction of a fibre (nylon) against a cylinder of dissimilar material (a) Perspex, b) glass) and discusses the effect of a change in cylinder radius. Results were reproducible only when the cylinder surface ha