Abstract: A retainerless rolling element bearing (20) is disclosed as including an inner raceway (22), an outer raceway (24), a plurality of first type of rolling elements (26) and a plurality of second type of rolling elements (28) alternately arranged adjacent to each other and between the inner raceway and the outer raceway, a surface of the first type of rolling elements having a higher contact angle, a lower contact angle hysteresis and a smaller magnitude of surface energy than a surface of the second type of rolling elements.

Abstract: An oral care composition including an orally acceptable vehicle is disclosed. The orally acceptable vehicle includes a source of hydrogen peroxide, an acyl donor, and an enzyme that catalyzes the generation of peracetic acid between the source of hydrogen peroxide and the acyl donor.

Abstract: A debris direct reflection embedded microscope comprises a focus mechanism 1 and a reflected light source 5 into the pole gap of the electromagnetic debris deposition device 3 for on-line visual ferrograph. A reflection ferrogram is imaged directly other than though the oil film in the oil tunnel. The focus mechanism 1 is composed of a lens sleeve 10, a limit threaded sleeve 11, a focus threaded sleeve 14 and a connecting seat 2. An image sensor 13 is on the top of the focus mechanism 1 and a lens 12 is inside the lens sleeve 10. The focus mechanism 1 and reflected light source 5 are placed in the internal space of the electromagnetic debris deposition device 3, and the center optical axis of the focus mechanism 1 coincides with the center axis of the electromagnetic debris deposition device 3. The focus mechanism 1 and reflected light source 5 are fixed in the connecting seat 2, and the connecting seat 2 connects the focus mechanism 1 and the magnetic poles 3-1 together.

Abstract: A multicomponent composition separating surfactant and fragrance into separate phases to increase the fragrance release from the composition.