The impact of different plant extracts on population suppression of Helicoverpa armigera (Hub.) and tomato (Lycopersicon esculentum Mill) yield under field conditions.

Helicoverpa armigera (Hub.) is a destructive pest of the tomato (Lycopersicon esculentum Mill) crop in Pakistan.Although insecticides are the primary management strategy used to control H.armigera, most of them are not effective due to considerable toxic residual effects on the fruits.Nonetheless, H.armigera is rapidly evolving resistance against t

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Preparation and properties of a new high-energy metal (W) film/aluminum nitride system energy exchanger electrothermal pyrogenant

In order to improve the safety and energy exchange efficiency of electric thermal pyrotechnic devices, a new energy exchange element technology of Accessories high energy metal (W) film/aluminum nitride ceramic was explored by taking advantage of the high thermal conductivity of aluminum nitride ceramic materials.High-temperature co-fired ceramics

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