Halogen detector is an important halogen gas leakage detection instrument. In order to ensure that the upper and lower shells have the same quality, it is necessary to use one mold and two pieces in ...

The question of "having it all" cropped up yet again in the comments on today's post about newly appointed Yahoo CEO Marissa Mayer. She just announced that she's pregnant, which has some people ...

In this paper we further investigate the problem of finding nadir criterion values (minimum criterion values over the nondominated set) in multiple objective linear programming. Although easy to ...

Cropping systems is one of the most important components in the crop production system, which is intensified to feed a growing global population. Previous studies focused on the high yield with less ...