track mark
4.Nuclear particle track-etched anti-counterfeit marking is a new weapon against fake products.The mark is manufactured by intricate high technology in state-controlled sensitive nuclear facilities which ensures that the mark can not be copied.The pattern of the mark is characterized by its permeability,and can be distinguished from fakes by using a transparent liquid(e.g.water),colored pen or chemical reagent.The technique has passed the official health safety examination and poses no danger of nuclear irradiation.
6.As one of the comparative research of cross-culture difference in visual cognition, this report has carried on the track test to observe landscape cognition and evaluation using the eye-mark recorder (EMR), trying to probe into the cross-culture influence on human by collecting and analyzing the visual information in the variety trend of fixation point distribution, quantity and remaining time, so as to identify the meaning of regional landscape features and the layout of composing elements.
7.The Theory and Trouble Shooting of T&H-NRC-l-A Model Cup Temperature and Humidity Controlled Air Supply System of TEL Mark-8 Clean Track

