本文简要地论述了高分子聚合物稀溶液管道减阻的特点，并探讨了在输油管道上应用的可能性与存在问题。
This paper gives a brief introduction of the drag reduction characteristics of the dilute solution of high polymer in pipelines, the possibility of its application to oil pipelines.
尤其对那些原料药生产商来说，反应物，反应堆或设备间的管道系统可以只是用冲洗溶液样品取样，这样做就很正确了。
This would be particularly true for the bulk drug substance manufacturer where reactors and centrifuges and piping between such large equipment can be sampled only using rinse solution samples.
但在生产中要妥善解决尿素浓溶液易结晶堵塞管道以及尿素在高温下易生成缩二脲的问题。
However these troubles of concentrated urea liquor crystallizing and blocking pipe, as well as urea changing into biuret at high temperature should be avoided.
集输管道内的二氧化碳溶于水后生成稀碳酸溶液，形成了腐蚀环境。
After CO2's dissolving into water, dilute carbonic acid solution is formed, which is corrosive to the gathering lines.
分析了不同溶质水溶液对石油管道腐蚀的过程、机理。
The paper analyses the corrosion course and mechanism ofthe petroleum pipelines by the different solute solutions.
表面活性剂和氢氧化钠溶液预先在管道搅拌器内混合，再与质量分数为0.5%的PAM溶液和清水在静态混合器内混合。
The surfactant and sodium hydroxide solutions was premixed in online dynamic mixer then mixed with 0.5% (wt) PAM and water in static mixer.
经过熟化时间段后，着色的溶液流入了计量管道。
After this period, the already dyed solution flows into the dosing conduit.
该泵适用于供暖、热水符合VD12035标准， 管道泵也可适用于乙二醇溶液最大混合比例达到1：1；
Main use:Pump this is it heat to suitable for, hot water accord with VD12035 standard, can suitable for ethylene glycol to be solution most heavy to mix than up to 1:1;
螺旋管道可作为聚合物溶液的分层配注器。
The helical pipe can be taken as multi-zone flow regulator of polymer injection.
螺旋管道可作为聚合物溶液的分层配注器。
The helical pipe can be taken as multi-zone flow regulator of polymer injection.
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