资讯

Therefore, a safer and more accurate way to identify allergies is through a skin patch test, a method where small amounts of suspected allergens are applied to patches placed on your skin.
WEST CONSHOHOCKEN, Pa.—A new, abbreviated test method for ash content in recovered carbon black (rCB) is being analyzed by ASTM International, the regulatory body said Aug. 13. According to ASTM, the ...
GRAFENWOEHR, Germany — When a U.S. Army airborne unit was resupplied during a recent live-fire exercise in the Caucasus, there was something notably absent from the delivery vehicle: a driver. The ...