Interferometry is a method which allows the measurement of very small distances and thicknesses by way of transmitting two beams and using the interference principle (i.e., how they reinforce or neutralize each other) to determine the difference. A problem with interferometry is that it is usually l.....
[更多]
Current approaches for detecting tunnels, activities in tunnels or tunnel excavation include electromagnetic induction sensors or acoustic ones to detect mechanical waves, and radar-type waves propagating between two boreholes. All of the approaches mentioned above are limited to large tunnels (>1m .....
[更多]
Diagnostic for early detection of preeclampsia in blood of pregnant womenClinical symptoms of preeclampsia usually begin to be manifested from week 20Studies in healthy and preeclampsic human placentasDetected protein in human serum from weeks 15-17 – proof of concept for ELISA testsA human-specific.....
[更多]
