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Browsing UoM Conferences by Year "2003"

Now showing items 21-28 of 28

The role of the mottled water hyacinth weevil (neochetina eichhorniaes on biological control of water hyacinth in Sri Lanka

Gamage, NPD; Jayaweera, MW; De Silva, SD; Kasige, AP [Conference-Extended-Abstract]

Water hyacinth (Eichhornia crassipesi has become one of the most obnoxious freshwater weeds \~ith numerous widespread infestations occurring in the North Western. Central and Southern provinces in Sri Lanka. Water hyacinth ...
Salinity variation and pollution of the Negombo estuary

Malawaraaratchi, RN; Rathnayake, N; Samarawickrama, SP [Conference-Extended-Abstract]

Negombo estuary. which is 3170 ha in extent, serves important economic functions including fishing and tourism. It is characterized by high secondary production rates reflected in important biomass values for benthic and ...
Shade variations in narrow fabric dyeing - a case study

De Silva, NGH [Conference-Extended-Abstract]

This paper looks at the problems of a local narrow fabric manufacturer supplying its products to garment factories of the same group. The basic raw materials are (i) Filament yarns of Nylon 6. Nylon 66. Polyester and Lycra: ...
Simulation study to jmprove out patient management at national hospital of Sri Lanka

Mathugama, SC; lndralingam, M; Lokupiriya, R [Conference-Extended-Abstract]

Out Patient Department of National Hospital of Sri Lanka functions mainly as a primary care unit which provides number of different services. This department comprises of' a General OPD section. Admission section. Clinic ...
A study of strength gain of driven piles

Thilakasiri, HS; Abeysinghe, RM; Tennakoon, BL [Conference-Extended-Abstract]

Piles can be classified into three categories depending on the amount of soil displaced during installation: (i) Large volume displacement piles: (ii) Small volume displacement piles and: (iii) Replacement piles. Installation ...
The study of the environmental aspects of waste dumping in the city of Kandy

Thaldena, SNB; Pathinather, S; Werallegama, DRIB [Conference-Extended-Abstract]

Inadequate collection and disposal of solid waste poses serious health risks to the population and leads to environmental degradation in many cities of Sri Lanka. Many local authorities do 110thave adequate funds and ...
Study on the suitability of cation selective membrane and the effect 011 current density for electrodialitic removal of heavy metal joils

Dissanayaka, DMDOK; Jaaweera, MW; Gunawardhana, WDDH; Wijekoon, SLJ [Conference-Extended-Abstract]

Heavy metal pollution of the environment is a major environmental problem facing the modem world. Their persistence in the environment and the difficulty in removal from wastewaters make them available for aquatic and ...
Tea polyphenols as an indigenous natural plant resource in preparation of azo dyes for dyeing textiles

Gunararne, KPN; Wijayapala, S; De Silva, NGH [Conference-Extended-Abstract]

For thousands of years. until as recently as the discovery ofthe first synthetic dye in 1RS6. all colouring substances were of natural (vegetable. animal, lichen and mineral) origin. After the discovery of first synthetic ...

Now showing items 21-28 of 28

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