In practice, there are some problems in the production and the application of monascus esterifying enzyme such as low activity and unstable effects etc.

在实际生产中由于红曲酶制剂生产和应用方式过于粗放，普遍存在活性不高、效果不稳定等问题。

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Even if there are some conclusions about the effects of velocity pulse on structures, but it hasn't been applied in practice yet, and the effect of PGD on structures is barely on research.

关于地震动速度脉冲对结构的影响虽已有若干研究结果，但还没有应用到实际工程中，而关于地震动位移峰值对结构的影响则还没有见到相关研究成果的介绍。

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It has been shown there are many reasons resulting in middle school teachers' job burnout which have negative effects from the view of theoretical researches and practice.

理论研究和实践经验视角表明，中学教师职业倦怠现象有多种原因和表现，并具有很大危害。

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