Using this method, isopachic fractional fringe orders can be measured with compensator, and the parallax and drift of fringe pattern can be eliminated.
Sodium Antimonate is mainly used as clarifier and colour killer for kinescope of blackand white Tvsets,fluore scent tube,cameratube,lighting lamps,ruby glass,and other super-grade glass.
This paper introduced the Method of Dark-field Illumination to develop poroscopy on the glass, and some factors related to forming of poroscopy were also studied.
You cannot unhitch the technology of TV from the many hosts it depends on: radio, silicon transistors, LCD screens, cameras, artificial lighting, and electrical generation.
Abstract Pseudopupil of the compound eye of the housefly was studied by the method of corneal neutralization, and the deep pseudopupil under antidromic illumination in situ.
The main structure have:Electromagnet and Heng galvanism source, numerical type Gauss account(the effect of Huo Er) and ammeter and volt account, have control dish of illuminate the system.