| 词汇 | aliquot |
| 释义 | aliquot noun[ C ] uk /ˈæl.ɪ.kwɒt/ us /ˈæl.ɪ.kwɑːt/ aliquotnoun[C] (PART)science specialized an amount taken from a larger quantity, so that it can be tested, etc.: 试样 After centrifugation, aliquots of serum were frozen at -70°C until analysis.在离心之后，血清试样在检测前被冻存在零下70度。 Samples and examples a case in pointphrase advertisement archetype benchmark benchmarking cross-section flavour for instanceidiom forerunner illustration incarnation instance prototype qua quintessence role model sample showpiece specimen taste aliquotnoun[C] (NUMBER)mathematics specialized a quantity that can be divided into another quantity an exact number of times整除数 Terms for numbers -handed additive inverse common denominator common factor common multiple complex number exponent fold fourfold GCF hundredfold imaginary number reciprocal recurring recurring number remainder response variable twentyfold twofold weighting Examples of aliquotaliquot Sugars were extracted with four successive 250 l aliquots of 80% (v/v) ice-cold ethanol and further grinding. Each pool was divided in two equal aliquots and processed in duplicate. Due to the small amount of material available, only 15 aliquots of the sample could be prepared by settling in acetone on aluminum discs. Two 100 ml aliquots were taken from the vials and the number of nematodes contained in 100 ml was determined under stereo-microscope. If helminth eggs were found in any of the five aliquots of a given sample, this was recorded as 'contaminated'. Further serial dilutions of the cercarial suspension were made to give five aliquots having densities of 20, 15, 10, 5 and 2.5 cercariae ml21. A suspension of eggs was fertilised at time 0 and aliquots fixed at the indicated time points. The drug solutions were prepared from frozen aliquots of stock solution, dissolved in extracellular solution, and applied from seven-barrel pneumatic puffer pipettes. The supernatants were divided in two aliquots for further analysis. At the start and after 5 h of incubation, aliquots were removed and analysed. The remaining homogenate was centrifuged for 2 min at 10,000 g before aliquots of supernatant were removed for the following assays. Positive results were confirmed by repeating the assay using two aliquots from the same sample. The bags were checked daily for evidence of green colour and aliquots were removed for absorbance spectra after 8 days. Two percent aliquots of the total worm burden were counted. The total number of eggs was calculated by counting eggs in multiple representative aliquots of each collection. See all examples of aliquot 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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