Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification.
Because the Earth's axis is tilted, the length of a day changes during the course of a year, with the longest stretch of daylight in midsummer, and the shortest day falling in midwinter.
The moon’s orbit around the Earth is tilted by a few degrees relative to our path around the sun, so during most full moons the Earth isn’t directly in the way.
The set is literally tilted, with sidewalks that lead nowhere, walls arranged seemingly at random, and buildings that look poised to collapse, all rendered in stark graphic lines by a trio of expressionist painters.