1 Rinse the mustard greens in water and drain. 2  Trim the stems of the greens and chop, if desired. 3  Place the greens in a skillet over low heat and cover. 4  Steam for 4 to 6 minutes or until the mustard greens are wilted, stirring occasionally so they do not stick to the pan. Rinse the mustard greens in cold water, drain and chop them up. 2  Place a skillet on medium heat and pour 2 to 5 tbsp. ( 3 29.58 to 73.95 ml) (in relation to the amount of mustard greens) of water or broth into the pan.
Electrostatic lens. An electrostatic lens is a device that assists in the transport of charged particles.[1][2][3] For instance, it can guide electrons emitted from a sample to an electron analyzer, analogous to the way an optical lens assists in the transport of light in an optical instrument.
Confidence votes 298K. The objective lens in a microscope helps to magnify the object being viewed on the slide. The objective lens can be rotated to change the magnification of the lens and yield a different view. The objective lens in a microscope helps to magnify the object being viewed on the slide. The objective lens can be rotated to change the magnification of the lens and yield a different view.