Regression analysis based on weight gain rate indicates that the optimal dietary taurine content of grouper is 1.04%.

以增重率为指标，通过回归分析得出斜带石斑鱼饲料中牛磺酸的适宜含量为1.04%。

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Based on the relative weight gain rate, results indicated that the optimum protein content in formulated Diets for Chinemys reevesii juveniles was 35.

首次采用蛋白质梯度法，以白鱼粉为蛋白源，测定出幼乌龟配合饲料最适蛋白质含量。

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The compact and small particle oxide film was very corrosion resistant. The weight gain rate of samples declined very much firstly, and then changed little.

致密细小氧化物膜具有很强的耐蚀性，腐蚀增重速率先是大幅降低，然后逐渐平缓。

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Nine children showed greater than a 50% increase in annual rate of weight gain, a statistically significant result, but six children lost weight, perhaps because of disease progression or side effects of the medicine.

WSJ: Progeria Drug Study Helps in Search for Clues on Aging

The city's obesity rate is rising, and studies have linked sugary drinks to weight gain, they note.

WSJ: Critics seek to delay NYC sugary drinks size limit