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Now showing items 1031-1040 of 1670
Formaldehyde Health and Safety Guide - Health and Safety Guide 57
(1991)
Formaldehyde is a flammable, colourless, reactive, and readily polymerized gas at normal temperature and pressure. The heat of combustion for formaldehyde gas is 4.47 kcal/g. It forms explosive mixtures with air and oxygen ...
Crop Genetic Resources of Africa Volume I: Proceedings of an International Conference
(1988-09-26)
Worldwide, food crops are increasing their yields but from ever fewer varieties. The genetic base of the world's food supply is shrinking, at an ever faster rate
Integrated Management of Watersheds in Relation to Management and Conservation of Nearshore Coastal and Marine Areas in the East Asian Seas Region: Phase 1 - Assessment of Effects of River Discharges of Sediments, Nutrients and Pollutants on Coastal Wetlands, Seagrass Beds and Coral Reefs; A Regional Overview – RCU/EAS Technical Reports Series No. 13
(1997)
This document synthesizes the national inventories and synopses in four thematic overviews on coral reefs, seagrass beds, coastal wetlands, and watersheds and attempts to focus on the linkages between the sources of SNP ...
Integrated Pest Management in the Tropics: Current Status and Future Prospects
(John Wiley and Sons, 1995)
This volume assesses the current status and future prospects for IPM in these regions. It provides a unique overview of the efforts made to develop and implement IPM for the pests of livestock and agroforestry in selected ...
Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68
(1992)
The PCBs are chlorinated hydrocarbons that are manufactured commercially by the progressive chlorination of biphenyl in the presence of a suitable catalyst (e.g., iron chloride). Depending on the reaction conditions, the ...
Hexachlorocyclopentadiene Health and Safety Guide - Health and Safety Guide 63
(1991)
Pure hexachiorocyclopentadiene (HEX) is a light, lemon-yellow liquid that has a pungent, musty odour. The odour threshold is reported to be 0.0014-0.0016 mg/m3. HEX is highly reactive and volatile at low temperatures. ...
Explosive Remnants of War: Mitigating the Environmental Effects
(1985)
This book is the third major product of a research programme into the environmental consequences of military activity. The book will, it is hoped, draw attention to the explosive munitions that remain hidden in former ...
Trichlorfon Health and Safety Guide - Health and Safety Guide 66
(1991)
Trichlorfon is a colourless crystalline powder that is stable at room temperature. It is slowly hydrolysed in acid media; the half-life is 526 days at pH 1-5 and 20°C. In alkaline media, at pH 8 and 37.5 °C, it hydrolyses ...
Interim Report to UNEP on Studies of Intercropping on Farming Systems 1975
(1975)
The objective of the IITA Farming Systems Program is to replace existing food crop production systems by more efficient systems that attain good yields of improved crop varieties on a sustained basis through:- developing ...
Aldicarb Health and Safety Guide - Health and Safety Guide 64
(1991)
Aldicarb has a slight sulfur smell. It has a melting point of 100 °C and a specific gravity of 1.195 at 25 °C. it is soluble in water, sensitive to heat, and relatively unstable. Analytical methods for aldicarb include ...