| 词汇 | centrifuge |
| 释义 | centrifuge noun[ C ] uk /ˈsen.trɪ.fjuːdʒ/ us /ˈsen.trə.fjuːdʒ/ a machine that turns a container round very quickly, causing the solids and liquids inside it to separate by centrifugal action离心机 ozina/iStock/Getty Images Plus/GettyImages Laboratory equipment aspirator bell jar bubble chamber Buchner funnel Bunsen burner calorimeter condenser flask litmus microscope Petri dish photometer pipette retort stand scope siphon synchrotron syphon test tube transducer Examples of centrifugecentrifuge This is no doubt related to the increased interest in gas centrifuges as a means of separating uranium isotopes. The homogenate was centrifuged and the supernatant concentrated to 500 mg/ml as before. Lysed cells were centrifuged at 2500 g for 15 min and the pellet containing unbroken cells, nuclei, and kinetoplasts was discarded. After 24 hours, the conditioned medium was harvested, centrifuged to remove cellular debris and protein concentrations determined. The samples were mixed well with 75 l chloroform and centrifuged for 20 min at 15 000 rpm. In this method, large membrane fragments are centrifuged at high g forces. The liquid was decanted into 50 ml centrifuge tubes and the sediment discarded. The culture was then centrifuged at 25 000x g for 15 min and the supernatant was discarded. The assay suspensions were centrifuged at 15000rpm for 5 min and the supernatants discarded. The sample was stirred, centrifuged at 50,000g for 30 min, and the supernatant extract of visual pigment was pipetted off. The bottom of a specially designed centrifuge cell is shaped according to the surface of a cylinder that is coaxial with the spin axis. After filtration, 10% formalin and ethyl acetate were added, the sample centrifuged for 10 min at 3000 rpm, and suspended into 1 ml. In a standard high-speed centrifuge, only two specimens of this volume range can be processed simultaneously. The mixture was shaken and then centrifuged at 1500 x g in a benchtop centrifuge. The growth medium containing the dislodged microglia cells was centrifuged at 800 rpm for 5 minutes. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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