“free-swelling index”的概念、定义、翻译、参考文献-科学参考

单词	free-swelling index
释义	free-swelling index [`frē ´swel·iŋ `in´deks] ^ENGINEERING A test for measuring the free-swelling properties of coal; consists of heating 1 gram of pulverized coal in a silica crucible over a gas flame under prescribed conditions to form a coke button, the size and shape of which are then compared with a series of standard profiles numbered 1 to 9 in increasing order of swelling.
随便看	bivalve Bivalvia bivane bivariate distribution biventer bivittate bivium bivoltine bivouac bixbyite bixin bize Bk BL Blaauw mechanism black black acids black alkali black amber black-and-white groups black-and-white television black annealing black area black ash black balsam

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