• Proceedings of the 9th Annual Symposium 2003 (Pre Text) 

  Kumarage, AS [Conference-Extended-Abstract]
• 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 ...
• 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 ...
• The importance and usage of documented procedures in construction contracts 

  Karunaratne, CD; Gunawardena, ND; Kodikara, GW [Conference-Extended-Abstract]

  A construction contract is a unique venture carried out to meet the needs of a client and other stakeholders within the parameters of cost. schedule and technical specifications. For a contract to be successful in all ...
• The effect of out-of-plane loads on heavy mechanical systems - a case study of a rail car dumper system 

  Kahangamage, U; Burgess, S [Conference-Extended-Abstract]

  New design solutions for heavy mechanical systems arc generally developed based on similar historical designs. However. new solution requirements hardly ever match exactly with a historical design. Historical designs thus ...
• 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 ...
• 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 ...
• 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 ...
• 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: ...
• 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 ...
• Robust human body model acquisition from images in the presence or occlusion 

  De Silva, GC; De Silva, CR; De Silva, LC [Conference-Extended-Abstract]

  Automated detection of postures and actions of humans from image/video data is \ aluablc for many applications. Some examples are automated surveillance. effective Human- Computer Interaction and Entertainment such as ...
• Removal of nitrogen and phosphorus from wastewaters by phytoremediation using water hyacinth ieichhornia crassipiesy 

  Wijeyekoorr, SLT; Jayaweera, MW; Hirimburegama, K; Kasturiarachchi, JC; Fernando, PUD [Conference-Extended-Abstract]

  Water hyacinth (Eichhomia crassipes [Mart.] Solms.) is one of the most prominent freefloating aquatic weeds found throughout the tropical and subtropical areas of the world. In Sri Lanka the water hyacinth was first ...
• Reinforcing activity of modified filler 

  Gunapala, O; Gunapala, PY [Conference-Extended-Abstract]

  Sri Lankan rubber industries process approximately 90,000 tons of natural rubber per year for manufacture of tire tread. footwear. flooring, pneumatic tubes, rugs. dipped product and many others. Large quantities of ...
• Optimum design of steel portal frames 

  Perera, P; Hettiarachchi, MTP; Javanandana, ADC [Conference-Extended-Abstract]

  The pitched roof. single bay, steel portal frame is now, a conunon structural form for single storey industrial buildings in Sri Lanka. It is adopted in preference to the conventional form of roof truss-stanchion or lattice ...
• Optimization of biogas production using water hyacinth (eichhornia crassipes) 

  Jayaweera, MW; Gamage, NPD; Wijekoon, SLK; Dilhanil, JAT [Conference-Extended-Abstract]

  The water hyacinth (Eichhornia crassipes) has been classified as an obnoxious freshwater weed in the tropical and subtropical regions of the world due to its rapid growth rate and asexual reproduction. In Sri Lanka widespread ...
• Kinetic coefficients for anaerobically pretreated crepe rubber effluent and optimization of activated sludge process by kinetic modeling 

  Wijeyekoon, SLJ; Hettiarachchi, IU; Senewiratne, WMG [Conference-Extended-Abstract]

  Factorv efl:1uents from raw rubber processing facilities exhibit very high biochemical oxygen demand (BOD). ammonia and suspended solids and therefore arc amenable for biological wastewater treatment. The Rubber Research ...
• Investigation on using of high alumina ceramic roller wastes of fast firing kiln 

  Jayaratna, M; Rajasingham, S [Conference-Extended-Abstract]

  Alumina and mullite ceramics are widely used ceramic materials due to their attractive properties combined with chemical inertness and high strength. These arc "ell-established ceramic materials. which have many industrial ...
• Gravity die casting as an alternative route for the manufacture of tyre moulds 

  Warnakulasooriya, FSK; Tiltagala, SR [Conference-Extended-Abstract]

  Quality of a tvre is highly dependent on the tyre moulds that are being used to produce tyrcs. It has been found that in most of the situations. tyres are rejected due to defects and other problems arising from the existing ...
• Extraction of lignin from sawdust for rubber compounding 

  Gunapala, PY; Gunapala, O; Sagarika, APT [Conference-Extended-Abstract]

  The increasingly stringent requirements of rubber product consuming industries have put demand on Sri Lankan rubber processing industry to provide rubber parts with better performance such as high tensile strength, good ...
• Deformation analysis in model soil slope studies 

  Rathnasiri, RM; Peiris, TA; Puswewala, UGA [Conference-Extended-Abstract]

  In model soil slope studies as related to Geotechnical Engineering. the engineers arc interested in the failure surface and the maximum shear strength developed there upon failure. Monitoring the displacements and strains ...

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