New scientific experiments can be inspired by a simple question, and in the case of John Mercer, that question was, "So, John, do toning shoes work?"
新的科学技术实验往往是由一些简单的问题推动的,就约翰·莫瑟而言,那么这个问题就是,“约翰,塑身鞋真的有效吗?”
The process was discovered by John Mercer in 1850 when he noticed that cotton undergoes a general swelling and shrinking when it is treated with caustic soda solution.
该工艺是杰恩·默瑟在1850年发明的,他发现棉经过苛性钠处理后,会有膨胀和收缩现象。
The process was discovered by John Mercer in 1850 when he noticed that cotton undergoes a general swelling and shrinking when it is treated with caustic soda solution.
该工艺是杰恩·默瑟在1850年发明的,他发现棉经过苛性钠处理后,会有膨胀和收缩现象。
应用推荐