问题
问答题 简答题
聚合物有哪些流动类型？如何分类？
答案
参考答案：
（1）按雷诺准数分：层流（稳流）、湍流（紊流）
（2）按作用方式分：剪切流动：产生横向速度，梯度场的流动；拉伸流动：产生纵向速度，梯度场的流动
（3）按流动曲线分：牛顿型流动，非牛顿型流动
搜题请搜索小程序“爱下问搜题”
聚合物有哪些流动类型？如何分类？
参考答案：
（1）按雷诺准数分：层流（稳流）、湍流（紊流）
（2）按作用方式分：剪切流动：产生横向速度，梯度场的流动；拉伸流动：产生纵向速度，梯度场的流动
（3）按流动曲线分：牛顿型流动，非牛顿型流动
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| You may not realize it, but you are doing much more than just studying when you are at school. School is also the place 1 you socialize and learn to get along with people. But this is 2 easy. What can you do 3 you just don't like one of your classmates? If you discover that you have problems 4 your classmates or friends, the most important thing to learn is tolerance. Tolerance is the 5 to recognize and respect the 6 in others. We cannot change the way that other people act, 7 it is important to learn to live happily with them. Practicing tolerance will allow everyone to form better 8 with each other. Getting to know someone 9 help you understand why they do things 10 from you. It is important to remember that just because something is different does not mean that it is bad. 11 teaches us to keep an even temper and open mind. One thing to 12 is the old saying, "Treat others how you want 13 ". You would like to be treated kindly by your classmates, so it is 14 to treat them with equal kindness. If you tolerate 15 it does not mean that you have to like it. No one is asking you to 16 who you are or what you believe in. Tolerance just means that you will be 17 of the differences in others and not try to make them change. It is important to 18 tolerance because it will make everyone's lives easier. Learn to 19 people for their different abilities and interests. The world is a very 20 place, and practicing tolerance in your own school and city can help make a difference. | ||||
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