Coleg Gwyddoniaeth a Pheirianneg
- Cyfraniad i Gynhadledd › Ymchwil › Heb ei adolygu gan gymheiriaid
- Cyhoeddwyd
Dynamic mechanical thermal analysis of wood modified with bio-polyesters
Grosse, C., Spear, M., Curling, S., Noel, M., Rautkari, L., Uimonen, T. & Gerardin, P., 17 Medi 2018, Proceedings of 9th European Conference on Wood Modification. Creemers, J. (gol.). 8 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Effects of Artificial UV weathering and soft rot decay on heat treated wood
Hale, M., Ghosh, S. C. & Spear, M., 24 Ebr 2005, International Research Group on Wood Protection: Working Papers. 13 t. IRG/WP 05-40302Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Effects of Methyl Methacrylate impregnation on durability of timber.
Curling, S., Spear, M., Ormondroyd, G. & Gibson, R., 7 Medi 2017, Building with bio-based materials: Best practice and performance specification: Final Cost ation FP1303 Conference. University of ZagrebAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Emissions from bio-based building products
Clauder, L., Ormondroyd, G., Mansour, E. & Pfriem, A., 1 Maw 2017, COST FP1303 Design, Application and Aesthetics of biobased building materials. Sofia, t. 1-2 2 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Evaluation of spatial contamination patterns for norovirus and faecal indicator bacteria near to a coastal sewage discharge using Mytilus edulis as biosentinels
Winterbourn, J. B., Clements, K., Malham, S., McDonald, J. & Jones, D. L., Ion 2013, 92 McLeod et al (eds.). Proc. 9th Int. Conf. Molluscan Shellfish Safety . t. 89-92Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Fertilization success of the circumpolar Antarctic Seastar Odontaster validus: A diver-collected study
Grange, L., Tyler, P. & Peck, L., 2011, Proceedings of the American Academy of Underwater Sciences 30th Symposium. Pollock, N. W. (gol.). t. 140-151 12 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Fluid flow in wood: investigation of the influence of laser incision parameters on uptake and flow paths in four wood species
Spear, M., Holmberg, J., Nath, S., Pitman, A., Waugh, D., Mason, P., Curling, S. & Ormondroyd, G., 26 Meh 2018, Timber 2018. Spear, M. (gol.). London, t. 137-144 8 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Hot Oil and Resin Treated Timber: Resistance to Decay by Brown Rot Fungi
Spear, M., Fowler, P., Hill, C. & Elias, R., 20 Medi 2006, Proceedings of ECOWOOD2006, 2nd International Conference on Environmentally-Compatible Forest Products. Fernando Pessoa University, Porto, 9 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Implications of synergistic durability relationships on design of construction elements.
Curling, S. & Ormondroyd, G., 1 Maw 2017, COST FP1303 Design, Application and Aesthetics of biobased building materials. Sofia: European Cooperation in Science and Technology (COST), t. 17-18 2 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Innovative 2D-nanomaterial integrated optical fibre sensors for biochemical applications: (Invited Paper)
Chen, X., Andrés, M. V. & Zhang, L., 9 Mai 2018, Micro-Structured and Specialty Optical Fibres V. SPIE, (Proceedings of SPIE; Cyfrol 10681).Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Insights into stability of glued joints between thermally modified timber: adaptation of an artificial weathering test
Spear, M., Teciu, R. & Ormondroyd, G., 17 Medi 2018, Proceedings of 9th European Conference on Wood Modification. Creemers, J. (gol.). 6 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Measuring tidal hydrodynamics and bedform evolution in the Dee estuary
Bolaños, R., Souza, A. J., Bell, P. & Malarkey, J., 2009, Proceedings of the 6th Symposium on River, Coastal and Estuarine Morphodynamics (RCEM 2009): Santa Fe, Argentina, 21-25 Sep. 2009. CRC Press/Balkema, Cyfrol 2. t. 709-714Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Natural Fibre Reinforced Polypropylene Composites: Assessing the Potential of Hemp and TMP Fibre
Spear, M., Hill, C. & Tomkinson, J., 9 Hyd 2002, Proceedings of the 6th European Panel Products Symposium.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Physical properties and durability of methacrylate impregnated timber
Curling, S., Spear, M., Ormondroyd, G. & Gibson, R., 28 Medi 2017, Proceedings of the 13th Annual Northern European Network for Wood Science and Engineering Conference. Copenhagen: Univeristy Of CopenhagenAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Properties of wood following treatment with a modified hot oil
Jones, D., Tjeerdsma, B., Spear, M. & Hill, C., 6 Hyd 2005, Proceedings of the 2nd European Conference on Wood Modification. Militz, H. & Hill, C. (gol.). Goettingen, Germany, t. 202-207 6 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Review of the use of PF and related resins for modification of solid wood
Stefanowski, B., Spear, M. & Pitman, A., 26 Meh 2018, Timber 2018. Spear, M. (gol.). London, t. 165-179 15 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Strategies to reach zero carbon beef and sheep production on Welsh farms
McNicol, L., Williams, P., Styles, D., Rees, R. M. & Chadwick, D., 1 Ebr 2022, Animal - science proceedings. 1 gol. Cyfrol 13. t. 8-9Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Transcrystalline Interphases in Polypropylene Composites: Exploring the Possibilities
Spear, M., Hill, C. & Tomkinson, J., 19 Mai 2005, Proceedings of the 7th International Conference on Woodfiber-Plastic Composites (and other natural fibers). Madison, WI: Forest Products Society, t. 49-57 8 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Heb ei Gyhoeddi
Water-Energy Nexus: Efficiencies and Sustainability in Demand Management
Bello-Dambatta, A. & Williams, P., 8 Medi 2019, (Heb ei Gyhoeddi) Global Network for Researchers.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyhoeddwyd
Wood Plastic Composites: surface modification with heat to improve the adhesion ability
Dimitriou, A., Spear, M. & Hale, M., 7 Medi 2015, Advances in modified and functional bio-based surfaces, Proceedings of COST Action FP1006.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd
- Cyfraniad i Gynhadledd › Ymchwil › Adolygwyd gan gymheiriaid
- Cyhoeddwyd
112-Gb/s PAM-4 IM/DD Optical Transmission over 100-km Single Mode Fiber with Linear Equalizer
Hu, S., Zhang, J., Tang, J., Liu, Q., Jin, W., Zhong, Z., Giddings, R., Shao, J., Jin, T., Zhao, X., Xu, B., Gao, X. & Qiu, K., 13 Ebr 2022, 2022 Optical Fiber Communications Conference and Exhibition (OFC). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
14.5GHz energy for dermatological applications - initial in-vivo data with histology
Hancock, C. & Sibbons, P. D., Mai 2016, 2016 IEEE MTT-S International Microwave Symposium (IMS). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A Concept-Drift Perspective on Prototype Selection and Generation
Kuncheva, L. & Gunn, I., 29 Gorff 2016, Proceedings of the International Joint Conference on Neural Networks (IJCNN 2016) . Vancouver, Canada, t. 16-23 8 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A Cost-Effective Virtual Environment for Simulating and Training Powered Wheelchairs Manoeuvres
Headleand, C., Day, T., Pop, S., Ritsos, P. D. & John, N., Ebr 2016, Medicine meets virtual reality 22: Proceedings of NextMed/MMVR22. IOS Press, t. 134-141 (Studies in Health Technology and Informatics; Cyfrol 220).Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A Method to Compute Respiration Parameters for Patient-based Simulators
Villard, P.-F., Vidal, F. P., Bello, F. & John, N. W., 1 Chwef 2012, Proceeding of Medicine Meets Virtual Reality 19 - NextMed (MMVR19). Newport Beach, California: IOS Press, Cyfrol 173. t. 529-533 5 t. (Studies in Health Technology and Informatics).Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A New Method for Micro Fresnel Zone Plates Lens Design and Low-cost Fabrication by Laser Direct Writing
Chen, Y., Wang, Z., Wu, B., Yan, B., Yue, L. & Joya, Y., 22 Hyd 2022, Frontiers in Optics + Laser Science 2022. Optica Publishing GroupAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A Web Community for Digitising Cultural Heritage Assets
Miles, H., Wilson, A., Labrosse, F., Roberts, J. C. & Tiddeman, B., 10 Medi 2014, Computer Graphics & Visual Computing (CGVC): Eurographics UK conference. Borgo, R. & Tang, W. (gol.). UK: The Eurographics Association, t. 95-96Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A benchmark database for animal re-identification and tracking
Kuncheva, L., Hennessey, S., Williams, F. & Rodriguez, J., 6 Rhag 2023, Proc. of the Fifth IEEE International Conference on Image Processing, Applications and Systems (IPAS). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A method for Critical and Creative Visualisation Design-Thinking
Roberts, J. C., Alnjar, H., Owen, A. & Ritsos, P. D., Hyd 2023, Poster publications at IEEE VIS 2023: Visualization & Visual Analytics: IEEE VIS 2023 Posters. Cao, N., Kozlikova, B., Xia, J. & Willett, W. (gol.). IEEE Computer Society Press, 2 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
A new haemostatic device utilising a novel transmission structure for delivery of adrenaline and microwave energy at 5.8 GHz
Preston, S., White, M., Saunders, B., Tsiamoulos, Z. & Hancock, C., 2016, 2016 46th European Microwave Conference (EuMC). IEEE Advancing Technology for Humanity, t. 910-913Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Acceptance of bio-degradable Stoverpack among agricultural products market actors in Kampala and Wakiso districts
Charlton, A., 16 Maw 2023, 3rd NARO-MAK Conference, Kampala, Uganda (14-16 March 2023): Conference theme: Innovations for enhancing productivity and agro-industrialization. t. 85Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Active Disturbance Rejection Control of Nuclear Pressurized Water Reactor for Power Generation
Ahmad, S., Abdulraheem, K. K., Tolokonsky, A. O. & Ahmed, H., 11 Gorff 2022, 2022 4th Global Power, Energy and Communication Conference (GPECOM). t. 372-377 6 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Adaptive Learning Rate for Online Linear Discriminant Classifiers
Kuncheva, L. I. & Plumpton, C. O., 4 Rhag 2008, Proceedings of the IAPR Workshop on Statistical, Structural and Syntactic Pattern Recognition (S+SSPR 2008). Orlando, Florida, USA, t. 510-519Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Additive manufacture of zirconium alloys for thermal propulsion by selective powder deposition
Makurunje, P., Callaghan, J. & Middleburgh, S., 31 Hyd 2024, 75th International Astronautical Congress (IAC). International Astronautical Federation (IAF), IAC-24,C2,LBA,1,x91846Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
An Enhanced Single-Phase Self-Tuning Filter based Open-Loop Frequency Estimator for Weak Grid
Verma, A. K., Ahmed, H., Roncero-Sánchez, P. & Chaturvedi, P., 16 Tach 2021, 2021 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, t. 1020 1025 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
An Industry Prioritised survey of thermal, mechanical, hydro and decay properties of natural fibre insulation materials
Ormondroyd, G., Stefanowski, B., Mansour, E., Spear, M. & Curling, S., 5 Hyd 2017, Proceedings of the International Panel Products Symposium 2017. Bangor, UK, t. 179-184 6 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Artificial Evolution Strategy for PET Reconstruction
Vidal, F. P., Pavia, Y. L., Rocchisani, J.-M., Louchet, J. & Lutton, É., 1 Mai 2013, International Conference on Medical Imaging Using Bio-Inspired and Soft Computing (MIBISOC2013). Brussels, Belgium: Springer, t. 37-48 8 t. (Lecture Notes in Computer Science).Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Assessment and monitoring of aesthetic appearance of building biomaterials along the service life
Ormondroyd, G. & Dimitriou, A., 2017, Proceedings of Timber Structures 2017. t. 1 11 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Assessment of radiation exposure from discharges of uranium ore concentrate processing and nuclear fuel reprocessing facilities
Assinder, D., Mudge, S. & Bourne, G., 1994, Radiation and society: comprehending radiation risk: proceedings of an International Conference on Radiation and Society: Comprehending Radiation Risk. t. 184 1 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Automatic tuning of respiratory model for patient-based simulation
Vidal, F. P., Villard, P.-F. & Lutton, É., 1 Mai 2013, International Conference on Medical Imaging Using Bio-Inspired and Soft Computing (MIBISOC2013). Brussels, Belgium, t. 225-231 7 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Behaviour of plutonium in the inter tidal sediments of the eastern Irish Sea
Assinder, D., 1983, Ecological aspects of radionuclide release. Coughtrey, P., Bell, J. & Roberts, T. (gol.). 3 gol. British Ecological Society, Cyfrol Special Publication . 8 t. (Special Publication of the British Ecological Society).Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
BiCMOS microfluidic sensor for single cell label-free monitoring through microwave intermodulation
Palego, C., 11 Awst 2016, Microwave Symposium (IMS), 2016 IEEE MTT-S International.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biological Cell Discrimination Based on Their High Frequency Dielectropheretic Signatures at UHF Frequencies
Hjeij, F., Dalamy, C., Bassette, B., Begaud, G., Bessaudou, A., Blondy, P., Jaubertau, M. O., Lalloue, F., Kaynak, C. B., Kaynak, M., Gamal, W., Palego, C. & Pothier, A., 2017, 2017 IEEE MTT-S International Microwave Symposium (IMS). Institution of Electrical Engineers (IEE)Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biologically-induced precipitation of aluminium in synthetic acid mine water
Falagan Rodriguez, C., Johnson, D. B., Sanchez-Espana, J. & Yusta, I., Meh 2016, Biohydromet 2016 Proceedings.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Black phosphorus coated tilted fibre gratings for highly sensitive ion sensing
Liu, C., Sun, Z., Zhang, L., Lv, J., Yu, X. & Chen, X., 2017, Optical Fiber Communication Conference. Optical Society of America, Cyfrol 2017. t. W2A.18Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Broadband dielectric measurement & simulation of e-field curing systems
Parker, N., Cuenca, J., Gumbleton, R., Dimitriou, A., Ormondroyd, G. & Slocombe, D., 26 Meh 2018, Timber 2018 . Spear, M. (gol.). London, t. 89-98 10 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Building Immersive Data Visualizations for the Web
Butcher, P. & Ritsos, P. D., 2017, Proceedings of International Conference on Cyberworlds (CW’17). IEEE Computer Society Press, t. 142-145Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
CMOS-compatible, Ge-SiO2 core-shell, nanowire for label-free, highly sensitive detection of cancer biomarker
Cai, Q., Ye, L., Xu, B., Di, Z., Chen, X., Mao, H., Jin, Q. & Zhao, J., 29 Chwef 2016, 2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
COMPUTER MODEL FOR THE SIMULATION OF RELATIVE HUMIDITY OF AN INDOOR ENVIRONMENT
Raghavalu Thirumalai, D., Spear, M., Curling, S. & Ormondroyd, G., Hyd 2018, Proceedings of 29th Inter-American Congress of Chemical Engineering incorporating the 68th Canadian Chemical Engineering Conference. 1 t.Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Cyhoeddwyd
Combination of Object Tracking and Object Detection for Animal Recognition
Williams, F., Kuncheva, L., Rodriguez, J. & Hennessey, S., 6 Rhag 2022, Proc. of the Fifth IEEE International Conference on Image Processing, Applications and Systems (IPAS). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid