1、

The surface speed, impacting pressure and impacting depth were analyzed through water simulation for different submerged nozzles.

通过水模实验,定性分析不同水口结构对液面速度、侧壁冲击压和冲击深度的影响。

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2、

It is considered that this phenomenon is caused by difference of saddle surface speed between two pulleys.

环拉力在带的各边不同,这种现象由于两带轮间支承面速度不同造成的。

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3、

The theory of stability of a liquid with free surface is applied to understand the'humping'phenomenon in bead formation during high speed welding.

应用具有自由表面的流体稳定性理论,解释了高速焊接时驼峰焊道的产生机理,并通过对熔池形成过程的实时图像采集对该理论进行了验证。

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4、

Tooth surface temperature and thermal equilibrium conditions have significant effects on gear performance and failure as well as lubrication system in high-speed gear transmissions for aerospace applications.

高速重载齿轮传动系统的热平衡状态以及轮齿表面温度的大小对齿轮传动的性能与失效以及齿轮润滑系统的设计与操作控制等有着重要的影响。

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5、

At high temperature melted Al spread over the TiB 2 particle surface, which lead to a decrease of reaction layer thickness of melted Al, an increase of reaction surface and speed, and liquid sinter occurs.

在反应区高温下熔融Al在TiB2表面发生漫流现象,使Al的反应层厚度减小,反应面积增大,反应速度提高。

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6、

Focus on high-speed airflow for the specific aircraft environment, the surface temperature and vibration environment, a theoretical analysis, the specific environment of each model.

着重针对飞行器具体的高速气流环境、表面温度变化环境以及振动环境进行了理论分析,建立了各个具体环境的数学模型。

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7、

The diminishing process of Taylor bubble during physical absorption was recorded by the high-speed camera, and the temporal evolution process for the Taylor bubble was obtained, subsequently, the liquid mass transfer coefficient kL and specific surface area a for two-phase flow were calculated.

利用高速摄像仪记录了物理吸收过程中Taylor气泡的变小过程,得到气泡长度随时间的变化关系,并由此得出液相传质系数kL以及两相流的比表面积a。

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8、

Through cutting experiment, the influence on cutting force and surface quality was analyzed when change the parameters such as cutting speed, back cutting depth and cutting fluid and so on.

通过切削试验,分析了切削速度、背吃刀量以及切削液等参数改变时,对切削力及表面质量的影响。

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9、

Segmental Fitting and Contour Plotting for the Speed Surface of Vertical Ground Distortion Mapping valley cliff equipotentials lines by terrestrial photogrammetry

地壳垂直形变速率面的分区拟合及速率等值线图的绘图技巧地面摄影测量绘制峡谷陡岩等值线图

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10、

By means of the methods of DTA-TGA, infrared spectroscope and optical microscope, we made a series of investigations on heat effected surface layer of the friction material which was made from basic trinal formula and had undergone a friction test on the constant speed type friction tester.

本文通过差热-热失重分析、红外光谱分析和光学显微观察等手段,对经过定速式试验机摩擦试验的石棉-树脂-填料三元基础配方材料的热影响表面层进行了研究。

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11、

After the collision between Comet Shoemaker-Levy 9 ( SL9) and Jupiter, some ring structures propagating outwards at constant speed (-450m/ s) were observed on the surface of Jupiter, which implicates these rings are linear waves caused by the collision.

苏梅克-列维9号彗星(SL9)与木星相撞后,在木星上观测到的以常速度(-450m/s)向外扩展的圆环意味着这是碰撞在木星大气中引起的线性波动。

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12、

Working out optimization model of high-speed moldboard plow surface by using improved genetic algorithm

采用改进的遗传算法求解高速犁体曲面的优化模型

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13、

Optimization of High Speed Plow Surface

高速犁犁体曲面的优化设计

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14、

The shape of strip electrode end is observed and analysed using a high speed X-ray photography and the temperature of melten pool at the bottom and the surface are measured by using W-Re thermoelement.

用X光高速摄影机对带极端部形态进行了观察和分析,用钨铼热电偶对熔池表面和底部温度进行了测定。

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15、

The high-speed movement of the hydrodynamic drag device in free surface is a highly complex three-dimensional flow problem.

水力增阻器高速冲到水中并在自由面上运行是一个高度复杂的三维流动问题。

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16、

Besides, with several supposed diesel piston cases, it involves the examination of the speed of heat transfer and permeation and damping of temperature wave on the combustion-chamber surface of the internal combustion engine.

并以柴油机活塞为例,考察了在几种假定情况下,内燃机燃烧室壁面热传播的速度以及温度波的渗透和衰减情况。

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17、

The special NC forming cutter used for machining the big tapered surface of aluminum alloy parts is designed and manufactured. Through cutting tests, the suitable cutting speed and feed are determined.

设计和研制了用于加工铝合金工件大锥面的专用数控成形刀具,通过切削试验,确定了适当的切削速度和进给量。

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18、

Through high-speed dry milling technology, the surface quality of Inconel 718 is studied in this thesis.

本文通过高速干铣削加工技术精加工Inconel718,对其加工后的表面质量进行研究。

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19、

Study on the Influence of Coating Thickness, Mould Structure Type and Rotational Speed on Outside Surface Quality of Centrifugal Casting Ductile Iron Pipes by Heated Mould Method

铸型类型及其转速和涂料层厚度对热型法离心铸造球铁管外表面质量影响的试验研究

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20、

The effect of different technological conditions on the speed of plating and the surface quality was studied.

研究了不同工艺条件对镀层沉积速度和表面质量的影响,得出电沉积Ni-P-La和Ni-P-Ce镀液的最佳工艺组成和操作条件。

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