âWell Mr. Customer, let me go check with my manager to make sure the car is still available and work out the best figures that will help you make the best decision.â Show your customer your proof book or evidence manual when you run for the numbers.
Laboratory tests are usually negative in patients with HADD. CHA crystals are 75-250 nm, and are not visible with light microscopy, except when the crystals form aggregates. The CHA crystals are non-birefringent in polarized light.
Best Answer: Liquid crystals are useful from a theoretical standpoint in that they illustrate an intermediate state between liquids and solids. From a practical standpoint, they are useful in liquid crystal displays, which you see everywhere now, in watches, calculators and handheld video games, but which were unknown outside the laboratory as recently as the 1960s. Cholesteric liquid crystals have been known the longest, and have been used in so-called mood rings since the 60s.