Search Results - "Houlton, M.R"

On the origin of blue luminescence arising from atmospheric impregnation of oxidized porous silicon by Canham, L.T, Loni, A, Calcott, P.D.J, Simons, A.J, Reeves, C, Houlton, M.R, Newey, J.P, Nash, K.J, Cox, T.I

“…When heavily oxidized porous silicon is stored in ambient air for prolonged periods, a broad blue photoluminescence band with nanosecond decay times gradually…”
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Determination of fluorine in uranium oxyfluoride particles as an indicator of particle age by Kips, R., Pidduck, A.J., Houlton, M.R., Leenaers, A., Mace, J.D., Marie, O., Pointurier, F., Stefaniak, E.A., Taylor, P.D.P., Van den Berghe, S., Van Espen, P., Van Grieken, R., Wellum, R.

“…As swipe samples from enrichment activities typically contain uranium particles with a detectable amount of fluorine, the question was raised whether the…”
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Mouth Width and Cupid’s Bow Estimation in a Southern African Population by Houlton, Tobias M. R., Jooste, Nicolene, Steyn, Maryna

“…Standards for estimating mouth width and Cupid’s bow width in craniofacial approximation and superimposition are limited. Currently, the only guideline for…”
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Validation of forensic facial comparison by morphological analysis in photographic and CCTV samples by Bacci, Nicholas, Houlton, Tobias M. R., Briers, Nanette, Steyn, Maryna

“…Between the ever-increasing availability of surveillance evidence and expert-based forensic facial comparison being considered admissible in court, confirming…”
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Visualising trends in dentition to lip mouth morphology using geometric morphometrics by Houlton, Tobias M R, Jooste, Nicolene, Steyn, Maryna, Hemingway, Jason

“…Linear measurements taken from bony landmarks are often utilised in facial approximation (FA) to estimate and plan the placement of overlying soft tissue…”
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Testing regression and mean model approaches to facial soft-tissue thickness estimation by Houlton, Tobias MR, Jooste, Nicolene, Steyn, Maryna

“…Average facial soft-tissue thickness (FSTT) databanks are continuously developed and applied within craniofacial identification. This study considered and…”
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Finding Makhubu: A morphological forensic facial comparison by Houlton, T.M.R., Steyn, M.

“…•Soweto Youth Student Uprising hero, Mbuyisa Makhubu, has been missing since 1978.•Victor Vinnetou illegally entered Canada in 1988 and is evasive about his…”
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Recently identified features that help to distinguish ceremonial tsantsa from commercial shrunken heads by Houlton, Tobias M.R., Wilkinson, Caroline M.

“…This is an anthropological investigation into a collection of 65 shrunken human heads, to determine if new characteristics can be identified to facilitate the…”
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Facial preservation following extreme mummification: Shrunken heads by Houlton, Tobias M.R., Wilkinson, Caroline

“…•Skin defects, facial creases, hairline, and earlobe structures are best preserved.•Features dependant on skeletal support are lost, e.g. cranial shape and…”
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Facial ageing in South African adult males by Schmidlin, Estha J., Steyn, Maryna, Houlton, Tobias M.R., Briers, Nanette

“…•A scoring system for facial features showing senescence was developed.•South Africans tend to show delayed crease formation compared to Europeans.•Early-onset…”
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Forensic facial comparison in South Africa: State of the science by Steyn, M., Pretorius, M., Briers, N., Bacci, N., Johnson, A., Houlton, T.M.R.

“…•Forensic facial comparison is frequently used in South Africa and worldwide.•Here we outline the scope of practice and training in South Africa.•We propose…”
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Nitrogen incorporation into GaAs(N), Al 0.3Ga 0.7As(N) and In 0.15Ga 0.85As(N) by chemical beam epitaxy (CBE) using 1,1-dimethylhydrazine by Maclean, J.O., Wallis, D.J., Martin, T., Houlton, M.R., Simons, A.J.

“…Nitrogen incorporation in the growth of epitaxial GaN x As (1− x) by chemical beam epitaxy (CBE) using 1,1-dimethylhydrazine (DMHy) was compared, for the first…”
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Calcium phosphate nucleation on porous silicon: factors influencing kinetics in acellular simulated body fluids by Canham, L.T., Reeves, C.L., Loni, A., Houlton, M.R., Newey, J.P., Simons, A.J., Cox, T.I.

“…A range of bio-ceramics can induce calcium phosphate nucleation in simulated body fluids over timescales of hours to days. Such in-vitro behaviour is well…”
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Blood, sweat and plaster casts: Reviewing the history, composition, and scientific value of the Raymond A. Dart Collection of African Life and Death Masks by Houlton, T M R, Billings, B K

“…This paper addresses the history, composition and scientific value of one of the most comprehensive facemask collections in Africa, the Raymond A. Dart…”
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Nitrogen incorporation into GaAs(N), Al0.3Ga0.7As(N) and In0.15Ga0.85As(N) by chemical beam epitaxy (CBE) using 1,1-dimethylhydrazine by Maclean, J.O., Wallis, D.J., Martin, T., Houlton, M.R., Simons, A.J.

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Virtopsy shows a high status funerary treatment in an early 18th Dynasty non-royal individual by Loynes, Robert D., Charlier, Philippe, Froesch, Philippe, Houlton, Tobias M. R., Lallo, Rudy, Di Vella, Giancarlo, Bianucci, Raffaella

“…This work presents the multidisciplinary investigation of the head of Nebiri (Museo Egizio, Turin S_5109), Chief of Stables, a high status elite person from…”
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The radiation-induced graft copolymerization of 4-vinyl pyridine to terylene by HOULTON, M R, THOMAS, J K

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Calibration of SIMS measurements of unintentional oxygen concentrations in Al/sub 0.3/Ga/sub 0.7/N/sub y/As/sub (1-y)/ and assessment of the purity of 1,1-dimethylhydrazine by Maclean, J.O., Simons, A.J., Houlton, M.R., Martin, T., Birbeck, J.

“…There is significant commercial interest in 1.3 /spl mu/m dilute nitride-based laser devices. Such devices rely on low concentrations of nonradiative centres…”
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Structural studies of ion beam synthesised [formula omitted] heterostructures for HBT applications by Cristiano, F., Nejim, A., Hope, D.A.O., Houlton, M.R., Hemment, P.L.F.

“…Si/Si 1− x Ge x /Si heterostructures which are potentially suitable for HBT fabrication have been synthesised by implanting Ge + ions into a Si(100) substrate…”
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Synthesis of Si/Si/sub 1-x/Ge/sub x//Si heterostructures for device applications using Ge/sup +/ implantation into silicon by Nejim, A., Cristiano, F., Gwilliam, R.M., Hemment, P.L.F., Hope, D.A.O., Newey, J., Houlton, M.R.

“…The synthesis and doping of Si/Si/sub 1-x/Ge/sub x//Si heterostructures by ion implantation is being investigated as an alternative to epitaxial deposition as…”
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