The “L”“T” type joints of P208 pump oil warm-up pipeline were scoured by the vortexing,and the evorsion led to crack in weld.
分析了炼油装置P2 0 8泵预热油浆管线L、T型接头的涡流冲蚀导致焊缝开裂泄漏的原因 ,提出了工艺结构改进措
Microstructure,cavitation erosion resistance and surface morphology after cavitation erosion of the untreated sample,the remelted by plasma jet and the treated by nitriding were observed and measured by optical microscope,scanning electron microscope,ultrasonic oscillation magnetostriction strain gage and analytical balance etc.
借助光学显微镜、扫描电子显微镜、超声振荡磁致伸缩仪、电子分析天平等设备观察和测试了熔凝、渗氮及未处理试样的表层组织结构、耐穴蚀性能和穴蚀后形貌。
The conclution shows that the cause for damage is cavitation erosion.
文章采用金相显微镜和冷场发射扫描电镜对轴瓦损坏部位进行磨损形貌观察分析,对连杆大端轴承进行系统的轴心轨迹、油膜压力计算,重点分析运行过程中轴承各部位滑油压力分布及其在0°~720°曲轴转角范围内滑油压力的变化,最终得出损坏的原因是穴蚀。
In the article, the reasons for cavitation erosion in cylinder sleeve of 135s diesel engine are analyzed, and several suggestions to against cavitation erosion are given.
文章在分析135系列柴油机缸套穴蚀原因的基础上,给出了消除穴蚀的方案。
Study on the anti-cavitation property of shape memory alloys;
形状记忆合金的抗穴蚀能力试验研究
Cavitation Prevention of the Fuel Injection System for a Highly-uprated Diesel Engine;
高强化柴油机燃油喷射系统防穴蚀研究
Diesel engine cylinder liner cavitation causes and preventive measures
柴油机气缸套穴蚀的成因以及预防措施
Based on the PW2000 fuel injection pump,by fuel injection pump performance testing and comparing,the influences of delivery valve s opening pressure,diameter of fuel returning hole and seat angle of returning valve on injection pump pressure,nozzle pressure,residual pressure,injection pattern,secondary injection and cavitations were discussed in this paper.
以PW 2000喷油泵为基础,通过喷油泵性能测试对比研究与分析,研究在高喷射压力强化条件下,等压出油阀偶件回油阀开启压力、回油孔直径、回油阀座面角度对喷油泵泵端压力、嘴端压力、残余压力、喷油规律综合性能及燃油液力系统穴蚀、二次喷射的影响规律与程度。
Mechanism Analysis on Cavitation Corrosion of Engine Cylinder Sleeve and Precaution Measures
发动机缸套穴蚀机理分析及预防措施
Diesel engine cylinder liner cavitation causes and preventive measures
柴油机气缸套穴蚀的成因以及预防措施
Causation Analysis and Preventive Measure about the Rusted Hole of Diesel Engine′s Cylinder Liner
柴油机气缸套穴蚀原因分析和运用措施
Research on Structural Dynamics and Cavitation of Cylinder in Multi-cylinder Engine Block;
多缸内燃机机体结构动力学及缸套穴蚀问题的研究
Benefits and hazards of subground erosional geomorphy of loess tunnels
黄土洞穴潜蚀地貌及其利弊综合分析
Polymer Light-Emitting Diodes Based on Erosion-Resistant HTLs
基于抗侵蚀空穴传输层的聚合物电致发光器件
An area of irregular limestone in which erosion has produced fissures, sinkholes, underground streams, and caverns.
喀斯特由于腐蚀而产生裂隙，落水洞，潜流和洞穴的不规则的石灰岩地区
To inhabit or hide in a den.
穴居居住或藏在洞穴里
A small cave or cavern.
洞穴小的山洞或洞穴
half round
半场(前9穴或后9穴)
A putting green.
球穴区攻击区，球穴区
A crypt, especially one used for burial under a church.
地穴尤指教堂底下用作墓穴的地穴
thermal etching
热腐蚀;热浸蚀;热力学侵蚀;热蚀;热蚀法
sheet erosion (sheet wash)
片蚀, 表土侵蚀, 片状侵蚀
Old Cypress at Yu Xue
禹穴古柏图（绘画）
underground passages, caves, etc
地下通道、 洞穴等
hole theory of liquids
【化】液体空穴理论
the parent calls out, @Key-aw, key-aw!
老穴鸟叫喊“啊！啊