OBJECTIVE Summarize the research progress on hollow type suppository(HTS).

目的介绍中空栓的研究概况和进展。

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Preparation of paracetamol hollow type suppository and its quality research;

目的 研究胰岛素中空栓剂的制备及对正常家兔的降糖效果。

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Methods: Paracetamol hollow type suppository was produced by the model of HTS.

方法：用中空栓模具，制备了对乙酰氨基酚中空栓。

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The government may simply insist that 3D printer manufacturers install software that prevents printing of a hollow cylinder of a certain size, a firing pin, or a certain type of spring.

FORBES: Five Reasons Gunmakers Have Nothing To Fear From 3D Printed Guns

At a recent golf-industry show, however, the U.S. working group displayed examples of counterfeit clubheads sawed in half, and you can see the type of irregularities that impact performance: irregular interior walls, or supposedly hollow iron-head cavities that instead are solid steel.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport