英语词汇“riffle box”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

riffle box

riffle box n. originally and chiefly Mining = ripple box n. (a) at ripple n.⁵ Compounds 2.

ΚΠ

1848Riffle-box [see sense 4].

1862 Mining & Smelting Mag. 1 398 When amalgamation is employed, the riffle-boxes may be charged with mercury.

1909 School of Mines Q. July 302 Should anything of promise appear, the riffle box is at once cleaned out in order that the copper sludge may be caught separately for assay.

2000 D. M. Pearsall Paleoethnobotany (ed. 2) iii. 111 Passing a sample once through the riffle box produces two equal splits, which can then be resplit to produce smaller subsamples.

extracted from rifflen.

as lemmas

单词	riffle box
释义	> as lemmas riffle box riffle box n. originally and chiefly Mining = ripple box n. (a) at ripple n.⁵ Compounds 2. ΚΠ 1848Riffle-box [see sense 4]. 1862 Mining & Smelting Mag. 1 398 When amalgamation is employed, the riffle-boxes may be charged with mercury. 1909 School of Mines Q. July 302 Should anything of promise appear, the riffle box is at once cleaned out in order that the copper sludge may be caught separately for assay. 2000 D. M. Pearsall Paleoethnobotany (ed. 2) iii. 111 Passing a sample once through the riffle box produces two equal splits, which can then be resplit to produce smaller subsamples. extracted from rifflen. < as lemmas
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