[PDF] Top 20 Assessment of natural radioactivity in various commercial tiles used for building purposes in Nigeria

... on building materials, which showed that out of the investigated building materials such as tiles which are by product of granite, phosphogypsum ...[7,1]. Building materials, derived from ... See full document

... common building tiles in Nigeria markets were purchased from their major distributors in Orile-Iganmu international market in Lagos state, Nigeria and Sharp sand commonly used for ... See full document

... as building materials. The ceramic tiles are generally made of a mixture of different raw materials including clays, quartz materials and feldspar that has been pressed into shape and fired at high ...cause ... See full document

... oriented Building Information Model (BIM) and the 4D CAD simulation ...the various factors affecting the constructability of building designs were identified with the help of a questionnaire survey ... See full document

... political crisis; and mismanagement of state resources (Kukah 1999, 51-62). Consequently, violation of human rights, armed robbery, poverty, high unemployment rate and lack of infrastructural development became common ... See full document

... In Table 3, the mean values of the activity concentrations of 226 Ra, 232 Th and 40 K and the radium equivalent activities (Raeq) determined in the current study for the cement samples are compared with other countries. ... See full document

... Abstract:- Concrete is a very important construction material. The main composition of concrete is cement (commonly Portland Cement), coarse aggregates (such as blasted rubble), fine aggregates (such as sand) and water. ... See full document

... Intra- and inter-observer agreement in histological assessment of canine soft tissue sarcoma, Vet Comp Oncol , 2017.. This article may be used for non-commercial purposes in accordance[r] ... See full document

... of natural coarse aggregates in concrete established that the maximum compression strength and split tensile strength were obtained when the replacement was at 30% ...crushed tiles as coarse aggregates was ... See full document

... SVM is relatively new method of classification and it expands very quickly. SVM use in medicine: SVMs are helpful in text and hypertext categorization as their application can significantly reduce the need for labeled ... See full document

... The isotopes from the natural uranium and thorium decay chains are intensive alpha and beta radioactive sources. At the same time, the 238 U, 235 U, 234 U and 232 Th are disintegrated via spontaneous fission ... See full document

... of various companies or organizations, which particularly results in stealing their available assets stored in form of accessible digital information ...is used in the context of politically or militarily ... See full document

... determine the background distribution in the environment around the detector, an empty sealed beaker was counted in the same manner and in the same geometry as the samples. The measurement time of activity or background ... See full document

... Abstract—Port Harcourt is a coastal city located in the Niger Delta region of Nigeria, with very short dry season and long heavy rainy season periods. The objective of this study was to assess air pollution level ... See full document

... PSs assessment score was based on the score of all indicators as a percentage of the actual score relative to the maximal possible score and for the PP and quality of PSs in the community pharmacy area in the RoM ... See full document

... the various climatic conditions (such as cold/rain, heat/sun), wild animals and criminals and provide comfort which may be an aesthetic/luxury ...calls building materials. Over the years, a lot of materials ... See full document

... According to Smith (2001: 119) one of the main practical limitations to long-term planning is the lack of knowledge about location, recurrence interval and hazard potential of events which might affect small parts of ... See full document

... Moulds are found everywhere in the natural environment. Thousands of species of mould have been identified and they are adapted to a wide variety of environmental conditions. Like every living organism, they only ... See full document

... rating used or star ratings used by online shopping portals like Amazon, Flipkart ...is used to generate the ratings without intervention of ... See full document

... ELISA can be used for screening of syphilis with advantage of batch testing and objective automated printed results . With the introduction of automation in treponemal antibody enzyme immunoassay, it can provide ... See full document