2019 IRC Articles: Recent submissions
Now showing items 21-40 of 328
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Effect of Heat Stress on Pregnancy Rate in Crossbred Temperate Dairy Cattle under Tropical conditions
(2019)The decline of reproductive efficiency under heat stress is a drawback for the dairy industry. The objective of this study is to evaluate whether there is any relationship between the reproductive performance in cows ... -
A seasonal ARIMA model to forecast monthly potato yield in Sri Lanka
(2019)–The potato is an extensively cultivated tuber crop in the world. In Sri Lanka, cultivation has been established in four regions: Nuwara Eliya, Badulla, Jaffna and Puttalam. The objective of this paper is to analyze and ... -
Forecasting the unit cost of electricity generated by fossil fuel using ARIMA technique: A case study of a diesel/heavy fuel oil power plants in Sri Lanka
(2019)—The national electricity grid system must be kept in balance between sufficient supply to meet the demand and minimization of the cost by alleviating excessive generation. The forecasts made from the historical ... -
Statistical modelling of electricity consumption in Sri Lanka
(2019)—Consumption of electricity is growing each year in Sri Lanka due to industrialization, urbanization, modernization. Forecasting electricity consumption is highly important when deciding on investment and construction. ... -
Modelling Open Market Retail Price of Red Onions in Colombo using ARIMA-GARCH Mixed Model
(2019)Red onion is an important commodity in Sri Lankan culture which subject to high frequent fluctuations in retail price due to government policies, trade agreements and weather conditions like heavy rainfall. Objective ... -
Modelling and forecasting monthly petroleum crude oil prices using a hybrid time series model
(2019)Crude oil is a naturally occurring resource composed of hydrocarbons and other organic material. Crude oil price exert a great impact on the global economy. Therefore, modelling and forecasting crude oil prices are ... -
Influence of the factors associated with suicides: A case study in the Kelaniya police division in Sri Lanka
(2019)Suicide is a major public health problem worldwide and moreover it is considered as a social problem. In Sri Lanka, suicides have been a major social and economic burden for the previous three decades. Hence, developing ... -
Urea modified calcium carbonate nanohybrids as a next generation fertilizer
(2019)With increasing world population, sustaining food security of people has become a daunting challenge. Scientists have explored various pathways to feed the global population. One way is the development of efficient ... -
Potentials of Using Bamboo as a Building Material for Permanent Structures in Sri Lanka
(2019)Most of designers in all over the world thoroughly concerned about sustainable designs. Natural Materials such as wood is mainly considered as sustainable building materials. But now there is a scarcity of wood in ... -
Elements of Urban Form in Defining the Elements of Collective Cognitive Map, with Special Reference to Maharagama, Sri Lanka
(2019)Cities are dynamic in nature. Image and the experience of the cities are fast changing. People perceive the cities individually. But all inhabitants navigate in the city with use of a cognitive map based on individual ...