Each person took the test twice over two days and beforehand received either an injection of ghrelin, a hunger hormone that is released by the stomach, or a shot of saline as a control.

每个人两天里做的测试是多过两次的，并且这些人在参加测试之前都会注射一种胃饥饿素(从胃里释放出的一种饥饿激素)，或者是盐水。

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The cause of usual molding fault in the course of injection forming, such as the short shot, the viscous flow and the sedimentation tache, was analyzed.

对注射成型过程中常见的成型缺陷(如短射、滞流和沉降斑)的形成原因进行了分析。

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But in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.

而柴油机是由喷油泵或脉动泵按照正确的点火顺序将燃油轮流地喷人各气缸的。

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"The only differences in symptoms was increased soreness in the arm and redness at the injection site among people who got the flu shot, " the CDC found.

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Then an injection of pace from Arshavin saw him test Hennessey with a stinging shot.

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