Verisurf Coefficient of Thermal Expansion (CTE) mobile app makes it easy to quickly determine the effect temperature has on length of a given material.
(Bio Monitoring), Stainless Steel, 1/4'' i.d., length 9 cm) was placed on the top of a sampling chamber (Fig.1B). The gas flow made possible the passing of headspace air containing the emitted VOCs through the adsorbent tube. The Micro-Chamber/Thermal Extractor (Markes International) ...
Second, with regard to the idea floated inpost 37, a 2" mirror supported on 4x 1.5 mm steel wires preloaded to 150 lbf (667 N) will sag 0.031 mm (0.0012"). This sounds usable but I think a 2" mirror is probably undersized for a 12". Since it looked reasonable, a 3.1" mirror s...