Zobrazeno 1 - 10
of 22
pro vyhledávání: '"R.G. Ngumbu"'
Autor:
Peter O. Migunde, Ronald K. Rop, Thomas Kilee, R.G. Ngumbu, Kallen Mulilo Nalyanya, Arthur Onyuka
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 126:725-732
Dynamic mechanical and thermal analysis has been used to investigate the effects of chrome tanning on the viscoelastic properties of an indigenous Kenyan Boran bovine hide. It has been shown that this technique can be used to assess the effects of th
Publikováno v:
International Journal of Physical Sciences. 10:568-575
Polyethylene (PE) films are widely used in packaging. PE is a thermoplastic manufactured from nonrenewable petroleum resources. Due to its non–biodegradability, its films have posed serious pollution problems e.g. visual pollution, blockage of gutt
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 123:363-370
The wide range of applications of collagen-based materials has triggered research interest especially on the effect of environmental factors in that these materials are exposed to during processing and application. As the applications of these collag
Autor:
P.M. Odhiambo, M.S.K. Kirui, J. H. Dias da Silva, D.M.G. Leite, R.G. Ngumbu, A. L. J. Pereira, S.K. Kemei, F. G. Ndiritu
Publikováno v:
Materials Science-Poland, Vol 33, Iss 2, Pp 340-347 (2015)
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2018-11-26T15:27:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-06-01 Dynamical mechanical analysis yields information about the mechanical properties of a material as a function of deforming factors, such as te
Autor:
P.M. Odhiambo, K Kamweru Paul, Tindibale L. Edward, M.S.K. Kirui, Josiah O. Omolo, R.G. Ngumbu
Publikováno v:
International Journal of Biochemistry and Biophysics. 3:1-5
The sun emits ultraviolet radiation in form of ultraviolet-A (UV-A), ultraviolet-B (UV-B), and ultraviolet-C (UV-C) bands. Ultraviolet light has the potential to boost vitamin D2 production in mushrooms which human bodies cannot synthesize. The ergos
Autor:
A. L. J. Pereira, R.G. Ngumbu, D.M.G. Leite, S.K. Kemei, P.M. Odhiambo, M.S.K. Kirui, F. G. Ndiritu
Publikováno v:
Materials Science in Semiconductor Processing. 20:23-26
The spin injector part of spintronic FET and diodes suffers from fatigue due to rising heat on the depletion layer. In this study the stiffness of Ga1−xMnxAs spin injector in terms of storage modulus with respect to a varying temperature, 45 °C≤
Publikováno v:
Journal of Macromolecular Science, Part B. 51:817-827
Plastic bags, mostly made of polyethylene, cause pollution as solid waste due to their nondegradable nature. Accelerated degradation, as a solution to mitigate the menace, can be achieved through moisture enhanced photolysis. This study evaluated the
Publikováno v:
Journal of Macromolecular Science, Part B. 50:1338-1349
Plastic bags mostly made of polyethylene (PE) cause pollution as solid waste due to their non-degradability nature. Initiation of a degradative process by enhanced photo-oxidation is a possible method for an accelerated degradation. This paper presen
Publikováno v:
Journal of Applied Polymer Science. 133
Cowhide, a natural biopolymer of collagen, forms raw material for leather, biomaterials, and food, among others. Thermal and mechanical analysis was done using dynamic mechanical analyzer. Effect of tanning and natural solar radiations on the storage
Publikováno v:
Journal of Biophysics
This study investigated the effects of ultraviolet-A (UV-A) and ultraviolet-C (UV-C) light on the mechanical properties in oyster mushrooms during the growth. Experiments were carried out with irradiation of the mushrooms with UV-A (365 nm) and UV-C