BOOKQUE

No image available
Directory of Methodologies
J. F. Ryan , National Water Research Institute (Canada)
· 1993
No image available
Use of Ultraviolet Irradiation in the Determination of Nutrients in Water with Special Reference to Nitrogen
Afghan, B. K , Canada. Inland Waters Branch , Goulden, P. D , J. F. Ryan
· 1971
No image available
A Review of Analytical Methods for Glyphosate: Application to the Analysis of Water Samples
J. F. Ryan , H. B. Lee
· 1987
No image available
Light Scattering in Ferro-electric Crystals
J. F. Ryan
· 1975
No image available
Evaluation of Methods for Analysing Toxaphene in Water and Sediment Samples
Brian F Scott
· 1986
No image available
Use of Ultraviolet Radiation in the Determination of Nutrients in Water with Special Reference to Nitrogen
P. D. Goulden , J. F. Ryan
· 1971
No image available
Improved Method for the Determination of Chlorophyll-a in Natural Water Samples and Laboratory Cultures
B. K. Afghan , J. F. Ryan
· 1983
No image available
Substituted Benzophenone as Fluorometric Reagent in Automated Determination of Nitrate
B.K. Afghan , J.F. Ryan
· 1975
No image available
Compendium of Research Needs Identified in PSL Assessments
J. F. Ryan
· 1993
No image available
Analytical Method for Toxaphene in Fish Tissue
J. F. Ryan
· 1986