The calculation results, based on mass balance of chemical concentrations, indicate that the average recovery rate of injected water in the current production well LWN-4 is about 88.5%.

基于水化学浓度质量平衡的计算结果表明，开采井中回灌水的平均回采率约为88.5%。

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Another merit is the choice of activators. Some of them provide the high initial activation for mass production, while others guarantee the low rate of dispensing barium required for long life.

另一特点是激活剂的选择，某些激活剂提供阴极的良好初始活性，而其它则保证长寿所需的低的钡供应率。

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The corelation of the annealing temperature with the total working rate of the cold-rolled product and the method of controlling the temperature in the mass production are particularly investigated.

着重探讨了在大生产条件下，退火温度与冷轧成品总加工率的相互关系与控制方法。

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When mechanical engineer James Parks joined Nektar in 1994, employees at the company were hand-filling blister packs with an early version of insulin powder at a rate of 100 per person per day, too slow for mass production.

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