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Light weathering theory,basic structures and characteristic of carbon arc lamp and xenon arc lamp acceleration weathering tester have been described.

塑料、涂料等高分子材料在使用的过程中经常出现起泡、变色、开裂和脱落等现象，严重影响产品的物理机械性能和表观质量。汽车外装部件诸如前后灯、格栅、保险杠、中央挡泥板和各种外部饰条等长期暴露在自然环境中，必然要求其具有较强的抗老化能力。

polymer material ; weathering ; carbon arc lamp ; xenon arc lamp

本文将对材料的老化机理进行简单阐述，对氙弧灯、碳弧灯

Based on test conditions of these two acceleration weathering methods in NES M1041,possibility is discussed on Xenon Arc Lamp Acceleration Weathering Test Substituting Sunshine Carbon Arc Lamp Acceleration Weathering Test in vehicle'acceleration weathering tests.

因此，在研制相应部品时，必须模拟自然使用条件对其进行老化测评。为了能快速评估材料的抗老化性能，在进行高分子材料的老化试验中，采用了人工加速老化的方法。目前人们常用的人工加速老化试验有氙弧灯、荧光紫外灯、金属灯和碳弧灯老化等。

Based on optoelectronic measuring system, arc voltage drops are observed in arc running process of current limiting circuit breaker.

本文采用光电测试系统，观察到在低压限流断路器开断过程中的电弧电压跌落现象。

Behavior of welding arc plasma,characteristic of welding voltage,local changes of electron temperature and electron density were investigated respectively with high speed camera,inductance gauge of current and voltage,spectrometer in low power YAG laser-gas metal arc welding hybrid welding process comparing with simple GMAW welding case.

采用高速摄像机、电流电压采集仪及光谱分析仪分别研究低功率YAG激光-熔化极气体弧焊复合焊接过程中的电弧形态、电压特点及局部电子温度、密度变化。

Our company supplies over 20, 000 kinds of automobile products in car decoration, car-care and auto refitting, like automobile oxygen, car license plates, stand mark, skid resistant pad, silencer, perfume, car universal holder, rearview mirror, wheel arc, key b8uckle, voltage tester, fuel tank cap, bumper series, ornament, arc cushion, head cushion, with unique advantages.

公司产品众多，约两万多种产品，囊括了汽车用品精品类、护理类、改装类（汽车氧吧、。各款车牌架、立体卡通脚踏板、各种立标200多款、南韩清香防滑垫、扶手箱、消声器、门拉手、后踩条、各款挡泥板、香水、中控锁、手机座、看后沙板镜、。门灯开关、通用卡通挡泥板、轮眉、锁扣、小电笔、地毯、轮弧、油箱盖、防撞胶、尾灯罩、汽车吊饰、抱枕、头枕等）各种类型的优势产品。

Regardless of the circular, the round arc, the polygon and so on, each kind of different shape punch cutting edge, according to the equal parts angle adjustment division, it can complete the angle or the circular arc which you need without taking down in process.

无论圆形，圆弧形，多角形等，各种异形状的冲子刀口，按等份角度调整分割，中途不需取下，就可以完成你所需要的角度或圆弧。

This paper analyses the usage of LGK series of air plasma arc cutting machine,and enumerates the causes and solutions of striking arc,main circuit,gas path and cutting torch breakdown.

分析了LGK系列空气等离子弧切割机的使用方法，例举了其引弧故障、主电路故障、气路故障、割枪故障产生的原因和解决方法。

According to the single-walled twist structures obtained by carbon arc discharge with TAMF and the cylinder-shaped structures obtained by carbon arc discharge with ACMF, both of them have never been reported by other researchers at present, that is, they are newly discovered carbon nanostructures.

在阳极添加钴粉作为催化剂的条件下，通过外加纵向磁场还可以得到一种空心筒状的新结构，它的形成可能是纵向磁场和催化剂共同作用的结果。

External magnetic fields were introduced to arc in liquid for the first time, in order to control the arc shape and the directionality of carbon particles. The primary control of carbon nano-products was realized, and some novel carbon nano-structures were obtained, such as single-walled twist structures and cylinder-shaped structures.

首次引入外加磁场来控制液体中电弧形态和碳粒子的运动方向，实现了对产物中碳纳米结构的初步控制，并得到了一些新颖的碳纳米结构，如单壁管缠绕结构和空心筒状结构。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。