Assuming a cylindrical symmetry, we obtained the two-dimensional PSF.

The characteristics of ultrashort laser pulses propagation in cylindrical symmetry resonance media

超短光脉冲在圆柱对称性共振介质中的传播特性

The article studied drum shape deformation of cylindrical body of boiler by methods of chemical analysis and metallographic examination.

采用化学分析及金相检验等方法，对锅炉锅筒产生的鼓包原因进行了分析。

Analysis on the Strength Design Calculation Formula of Cylindrical Shell of Boiler

锅炉圆柱壳的应力与强度设计

Result The cilium columnar epithelia or cylindric cell have be found in sputum of the tracheal, no cell mentioned above was checked in sputum collected from pharyngeal portion.

结果气管内痰液可查到纤毛柱状上皮细胞或圆柱形柱状细胞，但咽部痰液查不到上述细胞。

For example, the steam cylinder bolt for ultra-supercritical turbine requires not only enhanced high temperature strength and ductility, but also good corrosive and wearing resistance.

例如：用于超超临界汽轮机组的汽缸螺栓，不但要求具有足够高的高温强度和韧性，而且要求良好的抗腐蚀和耐磨性能。

Tipped Shell Reamer for Finishing the Hole of Steam Cylinder

加工汽缸内孔用镶片套式精铰刀

Study on Measure for Steam Cylinder Shim Block of Positional Tolerance and Wire Profile Tolerance

汽缸垫片位置度与线轮廓度测量研究

Service life loss of high temperature bolts on joint face of the steam cylinder and analysis for safe application performance thereof

汽缸结合面高温螺栓寿命损耗及其安全使用性能分析

Improvement of Synthetic Steam Cylinder Oil Production Process

合成蒸汽汽缸油生产工艺的改进

Through analysis of performance test for high temperature bolts on joint face of the steam cylinder, it is believed that the main factors affecting the safe application performance of high temperature bolts are undue and nonhomogeneous pretightening loads.

通过对汽缸结合面高温螺栓的性能试验分析，认为预紧力过大和预紧力不均匀是影响高温螺栓安全使用性能的主要因素。

Thermal stress rectification of steam cylinder deformation

汽缸变形的热应力矫正

Repair of piston style oxygen compressor cylinder

活塞式氧气压缩机的气缸修复

By analyzing the cases of oxygen cylinder accidences, we find out the main causes and possible ways and give the concept of "structure important degree" to describe the accidence.

应用事故树分析方法对氧气瓶爆炸事故进行分析，找出了引发事故的基本原因和途径，分析了基本原因事件的结构重要度。

Investigators are focusing on the idea that an oxygen cylinder might have exploded mid-flight, ripping a hole in the side of the plane.

调查者聚焦的问题点是：一个氧气瓶可能在航行中爆炸了，在飞机的里面撕裂一个洞。

Flame retardant selection and inflaming retarding principle are researched on winding cementing system of compound oxygen cylinder used for coal mine safe.

研究了煤矿安全用复合式氧气瓶缠绕胶接体系中阻燃剂的筛选及阻燃机理。

Using high pressure oxygen cylinder as supercharging device, pressure test of autopolymerizing acrylic resin was carried out.

采用自行设计的高压氧气加压法测定了自凝树脂的耐水压性能。

Sulphur determination of plant leaves by oxygen cylinder combustion-ionic chromatogram

氧瓶燃烧-离子色谱法测定植物叶片中的硫

There is an oxygen cylinder in the sickroom in case.

病房里有一个氧气瓶，以防万一。

Stability of Electron Circular Orbit in an Ion channel Electron Cyclotron Maser

离子通道电子回旋脉塞中电子圆轨道的稳定性

Electromagnetic Spectrum Characteristics of Ion Channel Electron Cyclotron Maser

离子通道电子回旋脉泽频谱特性