试验结果表明：护坦减轻了下游纵向围堰左侧坝趾处的回流淘刷，隔流墩明显减轻了防冲墙附近河床的冲刷，确保了坝基和下游纵向围堰的安全。
The test results show that the apron can reduce back flow at the dam toe, and the piers can obviously diminish river bed scouring near the scour resistant wall.
在PIV流迹显示试验中观察到在模型上下两侧发生流动分离，后方有两个大旋涡，且在两个旋涡中间回流处测点的风压系数大于附近测点。
In the PIV flow visualization experiment, flow separation takes place at the top and bottom edges and two large vortices behind the model that remain attached to the back of the model are observed.
对外混式自吸泵的回流孔面积进行对比试验，确定最佳设计方案。
Through comparison testing of the surface of reflowing holes of the external-mix self-sucking pump, the best design is determined.
同时探讨了塔顶压强、塔顶和塔釜温度、回流比变化对产品纯度的影响，获得了试验条件下的最佳操作条件。
Furthermore the effects of tower top pressure, temperatures of tower top and bottom, reflux ratio on product purity were analyzed.
采用长江科学院空腔回流泥沙淤积水槽试验数据，验证了回流区泥沙淤积计算方法的可行性和精度；
Feasibility and accuracy of the method has been verified by using sedimentation experimental data of cavity flume from the Yangtze River Scientific Research Institute.
通过试验研究，找出了不同原水浊度情况下污泥回流的最佳运行工况。
The optimal operation condition to treat the raw water by sludge return method in various levels of turbidity has been found.
摘要：本研究采用正交试验设计分别优选回流提取和超声波提取竹柏叶总黄酮的最佳工艺条件。
Abstract: in this study, the reflux extraction and ultrasonic extraction processes of total flavonoids from Podocarpus nagi leaves were optimized using orthogonal experiments.
为了开发莽草酸资源，以高效液相色谱法分析了马尾松、侧柏以及八角茴香中的莽草酸含量，并研究了马尾松中莽草酸的超声提取、加热回流两种提取方法和不同加标水平的回收试验。
To exploit the resources of shikimic acid, the content of shikimic acid in Masson pine leaf, Oriental arborvitae leaf and Star anise, the extraction and recovery experiments were studied by HPLC.
取某氯碱厂正常回流的活性污泥对余氯及五种有机氯化物进行急性生物毒性试验。
The acute biological toxicity of residual chlorine and five organic chlorides against normal backflow activated sludge in a CHLOR-ALKALI factory was examined.
试验技术上采用高压封闭容器，引起小液滴回流会造成液雾测量上畸变。
Experimentally using high pressure container for drop size measurement will cause recirculation of small droplets introducing spray measurement error.
并就污泥回流对除磷的影响进行了模拟试验，结果说明污泥回流可以节约药剂投加量。
Moreover, a simulated experiment on the influence of the reflux sludge on the dephosphorization was carried out. The result indicates that the sludge reflux can save the medicaments.
为了确定运行条件的影响，采用搭建CAST小试试验台对曝气时间、DO、回流比、排水比进行了研究。
In order to determine the influence on account of operating conditions, aeration time, DO, reflux ratio, water drainage ratio were studied by using small CAST test-bed.
试验得出随着回流比的增加，塔顶1-己烯浓度增大，而1-己烯的收率有缓慢下降的趋势。
The results show that the top concentration of 1-hexene increases and the reflux ratio of 1-hexene slowly decreases with the increase of the reflux rate.
采用试验和三维紊流模型相结合，对长方体边墩在不同纵向宽度条件下的回流长度变化规律进行了研究。
The relationship between the longitudinal dimension of an abutment and the recirculation length behind it is established based on the experimental data and the numerical results using a 3D model.
对常用的三种挂膜方式进行了对比试验，结果发现，采用二级处理回流污泥进行接种对好气滤池的启动没有明显促进作用；
Results shows that, start-up by seeding activated sludge from a secondary treatment plant has no beneficial effects. On the contrary, the start-up period are detained.
对常用的三种挂膜方式进行了对比试验，结果发现，采用二级处理回流污泥进行接种对好气滤池的启动没有明显促进作用；
Results shows that, start-up by seeding activated sludge from a secondary treatment plant has no beneficial effects. On the contrary, the start-up period are detained.
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