压下的

The research on microstructure pattern and mechanical properties of the circular ring parts by liquid forging experiment under different specific pressures and casting temperatures were stated.

通过圆环零件的液态模锻成形实验，对在不同比压和浇铸温度条件下，锻件的微观组织形貌和力学性能进行了分析研究。

The effects of space of fins, number of tube rows and relative humidity of incoming air on airside performance of wavy fin with hydrophilic coating under dehumidifying conditions were experimentally explored for seven wavy fin-and-tube heat exchangers with hydrophilic coating. The Colburn factor and the Fanning friction were applied to describe airside heat transfer and friction characteristics, respectively.

为了确定翅片间距、管排数和入口空气相对湿度等参数对析湿工况下带亲水层波纹翅片空气侧特性的影响，对7个带亲水层的波纹翅片管换热器进行了试验研究，并分别以Colburn换热因子和Fanning摩擦因子来反映空气侧换热和压降特性。

AbstractThe effects of space of fins, number of tube rows and relative humidity of incoming air on airside performance of wavy fin with hydrophilic coating under dehumidifying conditions were experimentally explored for seven wavy fin-and-tube heat exchangers with hydrophilic coating. The Colburn factor and the Fanning friction were applied to describe airside heat transfer and friction characteristics, respectively.

摘 要：为了确定翅片间距、管排数和入口空气相对湿度等参数对析湿工况下带亲水层波纹翅片空气侧特性的影响，对7个带亲水层的波纹翅片管换热器进行了试验研究，并分别以Colburn换热因子和Fanning摩擦因子来反映空气侧换热和压降特性。

The effects of space of finsnumber of tube rows and relative humidity of incoming air on airside performance of wavy fin with hydrophilic coating under dehumidifying conditions were experimentally explored for seven wavy fin-and-tube heat exchangers with hydrophilic coating. The Colburn factor and the Fanning friction were applied to describe airside heat transfer and friction characteristicsrespectively.

为了确定翅片间距、管排数和入口空气相对湿度等参数对析湿工况下带亲水层波纹翅片空气侧特性的影响，对7个带亲水层的波纹翅片管换热器进行了试验研究，并分别以Colburn换热因子和Fanning摩擦因子来反映空气侧换热和压降特性。

It is then compacted by the traffic if there is nit enough money to allow a road roller to be used.

在资金不允许使用压路机的情况下，则可由道路上行驶的车辆将路面自然压实。

Even without complications, the increase with age, systolic blood pressure also increased, and cardiac contractility and conductivity will decrease.

即使无合并症的情况下，随着年龄的增长，收缩压也会升高，而心脏收缩性和传导性会下降。

In order to achieve a tradeoff between vectoring and unvectoring state, the proposed parameters of DTN are: Z=3~4, secondary injection flux is about 3%, cavity divergence angle is about 10°, cavity convergence angle is 20°~30°, injection angle of secondary is about 30° by counterflow injection.

为了实现DTN在推力矢量和非推力矢量下都有较好的内流综合性能，所建议的设计参数为：落压比为3~4，引射量为3%，凹腔扩张角为10°左右，收敛角在20°~30°，引射角度为30°逆流引射角(β=30°)。

The main part of this densimeter is a thick-walled glass capillary, which can resist corrosion and can bear up to 10.0MPa in pressure and 573.15K in temperature.

为此，本论文自行研制了一种可用于测量高温带压条件下液体密度的压力计式密度计并验证了该装置的可靠性。

Based on the structural matrix of thermody-namic system,a calculation model for the influence of extraction steam pressure loss on thermal economy of unit was derived by strict deduction and demonstration.

基于热力系统结构矩阵，通过严密的数学推导，给出了定流量条件下抽汽压损对机组热经济性影响的计算模型。

In this work,the processes for purifying the bentonite suspension with high concentrate by hydraulic cyclone and dewater ing,the obtained product by pressure filtration were investigated.

研究了膨润土采用水力旋流器在较高矿浆浓度下进行分级提纯和压滤脱水的工艺、获得的提纯膨润土产品蒙脱石含量高(达95%以上)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。