Static pests

Tn applying pesticide sprays, the first problem is that of distributing a small quantity of active material over a large target area. The uniformity and extent of the distribution required depend on the type of pest to be controlled and the mode of action of the toxicant a patchy distribution may be satisfactory to control mobile insects or to apply systemic pesticides to foliage, whereas for static pests and contact pesticides, a more uniform spray deposit may be required. The degree of distribution attained depends on ... 

Numbers of pests are seldom static for long periods of time. Usually, population growth can be described precisely with one or more mathematical models. Such models permit the prediction of... 

Table 5.7 omits references in which transesterification in PEST/PEST blends is brought about under static conditions either by annealing or heating in a DSC chamber. Blends in such examples were prepared by solution precipitation. Selected recent references in this class include PC + polyester urethane [Ahn et al., 1997] PBT + PET [Backson et al., 1995] Polyarylate + PBT [Denchev et al., 1996] PCL + PBT-CL copo-... 

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