Under the the scope of 50m3/d, polymer molecular weight can be reduced by 20% -50%. ,the maximum choke pressure difference can reach to 1.5MPa.
分子量调节器采用机械降解方式实现聚合物分子量的调节,在50m3/d流量范围内,可将聚合物分子量降低(20～50)%,最大节流压差1.5Mpa。
参考来源 - 聚合物驱分层注入技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The exercise is especially effective for students who say they habitually choke under pressure.
这项措施在那些声称自己在压力下呼吸困难的学生中尤为有效。
Under pressure, when worries co-opt these resources, high-powered folks don't have all the brain power they normally have to perform at a high level, and thus they choke.
在压力下，当担心阻碍了这些资源发挥作用，高能人士失去了实现优秀表现的脑力源泉时，他们就窒息了。
A courtroom lawyer must never choke up under pressure.
律师上了法庭绝对不可以因压力大而无法应付。
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