| hartshorn |
Also known as ammonium bicarbonate, hartshorn was commonly used before baking powder and baking soda were readily available. It may still be purchased in drugstores, but must be ground before using.
출처: southernfood.about.com/library/info/bld_h.htm
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| hardness |
The hardness of water is equal to the concentration of dissolved calcium and magnesium ions. Usually expressed as ppm of (CaCO 3 ).
출처: www.howtobrew.com/glossary.html
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| harvest |
cutting and gathering a tree crop. In a forest harvest, trees are felled and moved to a central location (landing) for final transport by trucks.
출처: www.sfrc.ufl.edu/Extension/ssfor11.htm
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| hardening |
The hardening of steel is accomplished by heating the metal to cherry red and quickly quenching it in brine, water, or oil, depending on the alloy or application.
출처: faculty.uwstout.edu/hunts/art415002/glossary.shtml
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| harmonic mean |
A harmonic mean is used when the influence of extreme values is to be minimized. To calculate the harmonic mean, the total number of scores is divided by the sum of the inverse of each score (ie, 1/Y). Reference: Chapter 4
출처: www.ablongman.com/html/abrami/glossary/glossary.ht...
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