| 释义 |
preˈtreat, v.
[pre- A. 1.]
trans. To treat beforehand. Hence preˈtreated ppl. a.
1934Jrnl. Physical Chem. XXXVIII. 795 Comparing the form of the characteristic curve of the normally developed strip S with those of the strips that were pre⁓treated with the iron citrate solutions..the latter are steeper. 1950Nucleonics Mar. 48/1 It may be necessary to pretreat and purify the water before using it in the pile. 1956Nature 21 Jan. 136/1 A variation of the relative concentrations..may account for the variation..of the shape of light curves observed in differently pretreated algae. 1963Mechanical World CXLIII. 17/1 Of recent years the production of pre-treated metal surfaces has increased enormously. 1975Jrnl. Immunol. Methods VIII. 383 Peritoneal macrophages..cultivated for 48 hr on glass pretreated with poly-l-lysine. |