The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
zhi zuo ping di shi guan jing yan dian di
Author(s): 
Pages: 30
Year: Issue:  2
Journal: Physics Teacher

Keyword:  玻璃管演示实验透明胶片平底试管深度重心压强装药调节;
Abstract: <正> 《研究液体的压强和深度的关系》的演示实验需要的较长的平底玻璃管,这种玻璃管不但不易找到,而且自重大,装入细沙后就更重,重心却仍然比较高,实验中容易倾斜、容易沉没,更难多次调节浸入水中的深度。我在实验中选用了外径稍大管壁较薄装药片的平底短玻璃管,外面紧紧裹上一个透明胶片做成的圆筒(事先将透明胶片卷成很
Related Articles
loading...