منابع مشابه
EFFICIENCY FACTOR OF SUPPLEMENTARY CEMENTITIOUS MATERIALS: A STATE OF ART
The use of supplementary cementing materials is gradually increasing due to technical, economical, and environmental benefits. Supplementary cementitious materials (SCM) are most commonly used in producing ready mixed concrete (RMC). A quantitative understanding of the efficiency of SCMs as a mineral admixture in concrete is essential for its effective utilisation. The performance and effective...
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having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...
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* International Union Against Tuberculosis and Lung Disease, Paris, France; † Department of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK; ‡ Operational Research Unit, Medical Department, Brussels Operational Centre, Médecins sans Frontières, Brussels, Belgium; § Institute for Infectious Disease and Molecular Medicine, Desmond Tutu HIV Centre, Facult...
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ژورنال
عنوان ژورنال: Applied Surface Science
سال: 2019
ISSN: 0169-4332
DOI: 10.1016/j.apsusc.2018.12.090