Abstract: This invention provides compounds of Formula (I), N-oxides and suitable salts thereof, wherein A and B are independently O or S; each J is independently a phenyl ring, a naphthyl ring system, a 5- or 6-membered heteroaromatic ring or an aromatic 8-, 9- or 10-membered fused heterobicyclic ring system wherein each ring or ring system is optionally substituted with 1 to 4 R5; K is, together with the two contiguous linking carbon atoms, a 5- or 6-membered heteroaromatic ring optionally substituted with 1 to 3 R4; and R1, R2, R3, R4, R5 and n are as defined in the disclosure. Also disclosed are methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a compound of Formula (I), an N-oxide thereof or a suitable salt of the compound (e.g., as a composition described herein).

Abstract: This invention relates to the application of techniques based upon the mathematics of fractals and chaos in various fields including document verification, data encryption and weather forecasting. The invention also relates, in one of its aspects, to image processing.

Abstract: Disclosed herein is a silencer for reducing acoustic energy in a flow of exhaust gas from a combustion power source which prevents rain or snow from entering an exhaust stack without the need for a weather cap or hood. The silencer achieves acoustic energy attenuation and precipitation diversion with a minimal increase in backpressure. The silencer comprises a chamber at least partially defined by a chamber wall in communication with an inlet port for introducing exhaust gas into the chamber and an exhaust port for exiting exhaust gases from the chamber. The inlet port may be in communication with an inlet collar for attachment to an exhaust stack. A housing at least partially surrounds the chamber wall to form at least one cavity between the chamber wall and the housing where acoustic absorbing material is disposed. A deflector is at least partially disposed within the chamber having a gallery portion in communication with the channel.