Cooperative guidance problem of multiple missile system in three-dimensional space is investigated in this paper.Guidance commands in pitch plane and lateral FIXED BLADE - CLOSEOUT plane of initial guidance, mid-course guidance and terminal guidance are designed, and the rules of shift guidance in different guidance stages are given.The numerical s
Onion yellow dwarf virus (OYDV), an aphid-borne potyvirus is one of the major viral pathogens of garlic causing significant yield losses worldwide.It is found Honeysuckle almost everywhere in the world where Allium species is grown.The aim of this study was to test the presence of OYDV infection in garlic from Ethiopia.The presence of the virus was
BackgroundWhile rates of HIV and sexually transmitted infections (STIs) are extremely high among adolescents and young adults in the United States, rates of HIV and STI testing remain low.Given the ubiquity of mobile phones and the saliency of peers for youths, text messaging strategies may successfully promote HIV or STI testing among youths.Objec