Soil drying decreased pigments contents on leaf-area basis, but increased on fresh-leaf-weight basis.

土壤干旱引起单位叶面积色素含量降低，但却引起单位叶鲜重色素含量的增加。

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On a body weight basis, this is equivalent to 0.8 and 0.4 mg/kg bw/day at the average, and 1.7 and 1.0 mg/kg bw/day at the 95th percentile.

若以单位体重表示则分别为每天每公斤体重0.8毫克和0.4毫克，第95百分位情况下分别为每天每公斤体重1.7毫克和1.0毫克。

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The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14,800 times better at trapping heat than carbon dioxide.

出于争论中心的气体是HFC-23（三氯甲烷）。 以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。

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Study leader Pooja Tandon says even small calorie reductions on a regular basis can prevent weight gain over time.

VOA: special.2010.01.27

If one or both of your parents struggle with weight, a genetic basis for difficulty losing weight is a strong possibility.

CNN: I'm exercising; why can't I lose weight?

It also provides an objective basis for asking board members to leave if they are not pulling their weight.

FORBES: What Every Nonprofit Board Needs to Know

Professional body builders consume up to 1.5 grams of protein per kilogram of weight each day, but unless you are spending several hours in the gym on a regular basis, this is too much for the average person trying to gain muscle.

CNN: How should I eat to build muscle mass?