作业帮【求助】论文写作中 v/v 及w/v 的完整表示是什么
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【求助】论文写作中 v/v 及w/v 的完整表示是什么
【求助】论文写作中 v/v 及w/v 的完整表示是什么
【求助】论文写作中 v/v 及w/v 的完整表示是什么
β巯基乙醇0.3%(v/v)：每100ml中含β巯基乙醇0.3ml
0.1%SDS：每100ml的组织裂解液含有0.1克的SDS 不好意思,刚才表述不清楚
这个意思我明白
v/v你可以写成volume to volume
w/v ：weight-volume percentage,percent weight per volume,Weight-in-volume etc
EXPLANTATION:v/v2% v/v means that the volume of the substance is 2% of the total volume of the solution or mixturew/van abbreviation for "weight by volume," a slightly confusing phrase used in chemistry and pharmacology to describe the concentration of a substance in a mixture or solution.The weight by volume is the mass (in grams) of the substance dissolved in or mixed with 100 milliliters of solution or mixture.For example,the concentration of fluoride in toothpaste is usually about 0.15% w/v,meaning that there is 0.15 gram of fluoride per 100 milliliters of toothpaste.Thus 1% w/v is equal to 1 gram per deciliter (g/dL) or 10 grams per liter (g/L).
受教了.SSR wrote:不好意思,刚才表述不清楚
这个意思我明白
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