Zobrazeno 1 - 10
of 490
pro vyhledávání: '"Prasad Shiva"'
Publikováno v:
Indian Journal of Dental Research, Vol 21, Iss 2, Pp 218-223 (2010)
Background and Objectives: In vivo stains are prompt resources, which have emerged, in the recent years, to aid as clinical diagnostic tools in detecting early premalignant and malignant lesions. The aim of the study was to determine the diagnostic e
Externí odkaz:
https://doaj.org/article/9eea1c6b074348ff8b54484471512908
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 2, Pp 246-252 (2004)
The precise nature of the reaction between lanthanum nitrate and sodium molybdate at specific pH levels 7.6, 5.5 and 4.1 has been studied by means of electrometric techniques involving potentiometric and conductometric titrations, in aqueous and alco
Externí odkaz:
https://doaj.org/article/dd5d46c4eb7a4f82b37fbfdf04a1c60e
Autor:
Prasad Shiva, Leite Valderí D., Santana Renato A. C., Moura Elisângela da S., A. Neto Ambrósio F., Souza Antonio G.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 3, Pp 427-432 (2004)
The precise nature of the reaction between hydrochloric acid and sodium ortho-vanadate solution has been studied by means of electrometric techniques involving potentiometric and conductometric titrations. The well defined inflections and breaks in t
Externí odkaz:
https://doaj.org/article/a47839bca9b6441eb569d807a0e56454
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 13, Iss 5, Pp 618-623 (2002)
The formation and composition of copper vanadates obtained by the interaction of copper sulfate with different sodium vanadates (ortho, pyro, meta and poly) have been studied by means of electrometric techniques involving glass electrode and conducto
Externí odkaz:
https://doaj.org/article/55fd6c9e97504d16b076b8ce59b8dd07
Autor:
Marinho Fabiano A., Santana François S. M., Vasconcelos André L. S., Santana Renato A. C., Prasad Shiva
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 13, Iss 4, Pp 522-528 (2002)
Optimization of operational parameters of an electrodeposition process for deposition of boron-containing amorphous metallic layer of nickel-molybdenum alloy onto a cathode from an electrolytic bath having nickel sulfate, sodium molybdate, boron phos
Externí odkaz:
https://doaj.org/article/a3bbf70be3be4e508fb133969cf11fec
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 13, Iss 4, Pp 490-494 (2002)
The formation of thallium(I) molybdates obtained by interaction of thallium(I) nitrate and sodium molybdate at specific pH levels 7.6, 5.5 and 4.1 has been studied by electrometric techniques involving potentiometric and conductometric titrations, in
Externí odkaz:
https://doaj.org/article/ecb40fa82cc94eec8e1fe30ce4d69bef
Autor:
Silva Suely Alves da, Souza Antonio Gouveia, Conceição Marta Maria da, Alencar Alisson L. S., Prasad Shiva, Cavalheiro José Marcelino Oliveira
Publikováno v:
Química Nova, Vol 24, Iss 4, Pp 460-464 (2001)
Humidity and ash content of powder and bran of algaroba pods are important quality parameters for biological control during storage. The studies of humidity and ash content were carried out conventional and thermogravimetric methods. Different values
Externí odkaz:
https://doaj.org/article/3a894f31127a4da3b647ad11fd517844
Autor:
Prasad Shiva
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 3, Pp 245-251 (2000)
Studies on the electrolysis of cryolite-alumina melt showed that even the best equipped smelter, functioning at 960 ºC, has only 33% energy efficiency. For stable functioning of the smelter at 3% alumina the minimum wt% ratio NaF/AlF3 was found to b
Externí odkaz:
https://doaj.org/article/cf967a81ba044583994da7f0e3a909f4
Potentiometric and conductometric studies on the formation of thorium molybdates as a function of pH
Autor:
Prasad Shiva, Gonçalves Sílvia B.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 2, Pp 199-202 (2000)
The formation of thorium molybdates obtained by interaction of thorium nitrate and sodium molybdate at specific pH levels 7.8, 5.5 and 4.1 have been studied by electrometric techniques involving pH and conductometric titrations. The well-defined infl
Externí odkaz:
https://doaj.org/article/b28ac6188d99416c8c22e99f59d2dce9
Autor:
Prasad Shiva, Guimarães Thalma L.M.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 9, Iss 3, Pp 253-259 (1998)
The precise nature of the polyanions formed by the action of hydrochloric acid on sodium molybdate solutions has been studied by pH and conductometric measurements involving glass electrode and conductometric titrations. The inflections and breaks in
Externí odkaz:
https://doaj.org/article/be2ec5acb54b4ac293a390069dd1fca5