@sci_feed · Post #3744 · 02/10/2026, 07:00 PM
FDA将重新评估常见零食中使用的防腐剂BHA的安全性 美国联邦卫生官员表示,他们将重新评估用于食品(包括薯片、谷物食品、冷冻食品和肉制品)中的化学物质BHA的安全性。 来源: Medical Xpress | 阅读全文 发布时间: 2026-02-11 02:30 GMT+8(北京时间) #BHA#食品安全#FDA
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Source channel @githubtrending · Post #14854 · Jun 23
#vue#courses_management_system#education#frappe#javascript#learning#learning_management_system#lms#online_course_platform#online_learning#open_source#python Frappe Learning is an easy-to-use, open-source Learning Management System that helps you create and organize courses with a clear structure of courses, chapters, and lessons. It supports live Zoom classes, quizzes, assignments, and certificates to track and reward learner progress. You can host it yourself or use managed hosting for easy setup and maintenance. Its drag-and-drop course builder and pre-built lessons simplify course creation, while features like notifications and discussion sections enhance interaction. This system helps you share knowledge effectively, monitor learner progress, and provide a smooth, engaging learning experience without complicated setups or high costs. https://github.com/frappe/lms
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