POPULATION FLUCTUATIONS OF THRIPS (THYSANOPTERA) AND THEIR RELATIONSHIP TO THE PHENOLOGY OF RICE IN BABOLSAR (MAZANDARAN PROVINCE, IRAN)

Population fluctuations of thrips (Thysanoptera) and their relationship to the phenology of rice in Babolsar (Mazandaran Province, Iran)

The objective of this study was to identify the species of thrips associated with rice crops in order to determine population fluctuation of the dominant species.Studies were conducted during the month of April to August in the year 2017 form different growth stages of rice in Babolsar city, Mazandaran Province (Northern Iran).Samplings were done f

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Microstructural and Mechanical Property Analyses of Ti/Al/Ti Laminated Composites Prepared by Ultrasonic Welding

ORG KIMCHI Ti/Al/Ti laminated composite material is an ideal material for high-temperature parts and protective armor in the aerospace field because of its high specific strength and high temperature oxidation resistance.To improve the joint strength, the ultrasonic welding solid-phase joining technology is used to prepare Ti/Al/Ti laminated compos

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