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v hz copper accelerated acetic acid salt spray cass test machine with high performanc high performance salt spray test chamber with pp material in gray color economical cass salt spray test chamber , liters salt spray test machine environmental climate salt spray test chamber / corrosion testing apparatus...
home decor furniture hardware living room furniture office furniture furniture parts furniture by material window coverings & decorations outdoor furniture bedroom furniture window covering parts & accessories view more beauty & personal care makeup tools bath & hair products beauty equipments & apparatus...
automobile industry. he was made the head of the naval consulting board during world war i. a profound advocator of non-violence, he indulged in projects that basically designed defensive weapons, such as submarine detectors and gun-location techniques. his last patent, which was his rd us patent, was an apparatus...
ability to absorb uv-light when they are exposed to such light. certain molecular electrons will get exited if exposed to light. this exitation results in absorbance of light which can be measured. absorbance at a specific wavelength is a measure for concentration of specific compounds. in a special apparatus...
getting out of the imprecision trap at low air flow velocity measurement. some of the air flow velocity measurement methods seem to solve the low velocity imprecision problem and perform well at the higher velocity end of range as well. acoustic (ultrasonic) flow measurement principle advantages the apparatus...