查询词典 arc

Meanwhile, as the growth of arc, the lost of arc heat quality becomes larger, so the heat quality which is used to fuse base metal and weld stick decreases, the weld width and weld reinforcement decreases comparatively.

同时，电弧增长后，电弧的热量损失加大，所以用来熔化母材和焊丝的热量减少，相对焊缝宽度和余高就略有减少。

Meanwhile, as the growth of arc, the lost of arc heat quality becomes larger, so the heat quality which is used to fuse base meta l and weld stick decreases, the weld width and weld reinforcement decreases comparatively.

同时，电弧增长后，电弧的热量损失加大，所以用来熔化母材和焊丝的热量减少，相对焊缝宽度和余高就略有减少。

Firstly, the models of one unprotected circuit and three protected circuits were built and the formulas of arc energy for each circuit were given in this paper. Secondly, the experimental equipment of electrical life of relay was developed and the arc erosion status of contacts of breaking the inductive load with the four circuits was researched by experiments.

论文首先构建了无保护电路和3种有保护电路模型并给出了电弧能量的计算公式；然后研发了继电器电寿命实验装置并通过实验研究了上述4种电路中继电器开断感性负载时触点的电弧侵蚀情况。

First, the mismatching factors of submerged arc welding and shielded metal arc welding of S355ML steel (65mm thickness) were determined with "direct measurement method". Then, the butt welds of SAW and SMAW were made to full thickness fracture toughness specimens and the fracture toughness in welds centre were measured by CTOD test.

用&直接测量法&确定了低合金高强钢S355ML钢板（厚65mm）自动埋弧焊和手工电弧焊的焊缝强度匹配系数，同时将这两项焊接工艺的对接焊缝制成全厚度断裂韧度试样，运用裂纹尖端张开位移试验方法测定其焊缝中心的断裂韧度。

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。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷