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Coal is much more calorific than green wood .

煤燃烧放出的热量比木头多。

With what method ability to treat old people foot scratchy , calorific ?

用什么办法才能治疗老年人脚发痒、发热？

Fatty foods have a high calorific value .

多脂肪食品富含卡路里。

Faults : use fuel prices high , gas calorific value is lower .

缺点：使用燃料价格高，煤气的热值较低。

Stevioside is a glycoside-ene-quote category , with high sweetness low calorific value .

甜菊糖是烯帖类配糖体，具有高甜度低热值。