If a vacuum line much smaller than the flange diameter of the turbopump (DN 100 (100 mm)) is used, the effective pumping speed will decrease. A DN 25 (25 mm) vacuum line will result in only around 7.4 ...
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Caring for your scar so you can barely see it
Whether after an injury or surgery, many of us carry scars. Over time, they can fade if we treat them right. Two medics spell out what to do.
Microscopic mites are part of human biology. Some live harmlessly in our pores but others can trigger allergies, inflammation ...
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