对熊喷雾有效期的一项最新分析显示，活性成分辣椒素不会随时间降解。推进剂泄漏是主要问题，可以通过称量罐体来监测。然而，一项来自杨百翰大学的同行评审研究因其方法论存在缺陷、错误解读了气雾罐物理学以及错误地得出头部压力迅速下降的结论而受到批评。 AI
排序理由 该集群讨论了一篇科学论文及其方法论，提供了评论和批评，而不是新的发布或重大事件。
AI 生成摘要 · Google Gemini · 来自 2 个来源。 我们如何撰写摘要 →
<p><span>Last year my 4-year-old can of bear spray reached its expiry date, completely unused, and I wondered how sound the basis of that date was. Reddit showed plenty of others wondering or asserting on the matter, several outdoorsy sources reported on testing, and there was a …
<p><span>Last year my 4-year-old can of bear spray reached its expiry date, completely unused, and I wondered how sound the basis of that date was. Reddit showed plenty of others wondering or asserting on the matter, several outdoorsy sources reported on testing, and there was a …