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Comfort evaluation of bridge based on stochastic process theory

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2020; 48 (3)

Vehicle or pedestrian loads can cause bridge vibration. The pedestrian load is essentially a stochastic process, and the vibration response of pedestr......

Effect of Macrophomina phaseolina on growth and expression of defense related genes in Arabidopsis thaliana

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2019; 47 (1)

Infection caused by the necrotrophic fungal pathogen Macrophomina phaseolina leads to changes in the growth, development, and metabolism in plants. Pl......

JIF:0.42

Utilising bivariate auxiliary information for enhanced estimation of population mean under simple and stratified random sampling schemes

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2019; 47 (2)

The present work suggests some difference-cum-exponential ratio-type estimators to deal with the problem of estimation for population mean. The sugges......

JIF:0.42

Estimation of the parameters in two linear models with some of the identical parameter vectors under the Pitman's closeness criterion

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2019; 47 (3)

Two normal linear models for some of the identical parameters are discussed in this article. Many authors have studied the properties of estimators in......

JIF:0.42

Enhancing ratio estimators for estimating population mean using maximum value of auxiliary variable

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2018; 46 (3)

This article proposes some newly modified ratio estimators for the estimation of population mean of the study variable by incorporating the maximum va......

JIF:0.42

Cradle-to-gate life cycle assessment of energy and carbon of a residential building in Sri Lanka

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2018; 46 (3)

The growing concerns over the environment have led to increasing demand for environmentally-friendly buildings. So far, only a few studies on environm......

JIF:0.42

Development of heat tolerant introgression lines and preliminary quantitative trait loci (QTL) analysis at flowering stage in Oryza sativa L.

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2018; 46 (3)

The efficacy of modem rice varieties has been challenged by global warming because of their incapability to tolerate heat stress. Breeding for heat to......

JIF:0.42

C-3 cubic trigonometric B-spline curves with a real parameter

期刊: JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA, 2018; 46 (1)

This paper presents a class of cubic trigonometric B-spline curves with a real parameter alpha, which are called alpha-B-spline curves. The alpha-B-sp......

JIF:0.42

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