in october , astronaut walter schirra used a swedish hasselblad medium format camera with a german zeiss lens during his flight. since then, the hasselblad cameras with zeiss lenses have been "space qualified" and have been used time and again in space missions apollo nasa wide-angle lens for photos of...
bjorklund، نويسنده , , thomas g. and lim، نويسنده , , sang-hyun and bardeen، نويسنده , , christopher j.، نويسنده , issue information : دوماهنامه با شماره پیاپی سال pages : from page : to page : abstract : the effects of precursor solvent on the optical properties and morphology of poly(p-phenylene vinylene...
nutrients. this is possible by having fruit and vegetable juices, which is the easiest and safest ways to refill the body with the requisite amount of nutrients & fibres. drinking fresh pressed juice can cleanse your system and can even boost your immune system. keeping this in mind, kent has brought...