查询词典 lamp-oil

The use of a spirally wound optical fiber as optical means (5) and a transparant envelope (2) shaped as a conventional light bulb provides a lighting device (1) which is a good look-alike of the conventional incandescent lamp, such as, for instance, the carbon filament lamp.

使用螺旋缠绕的光纤作为光学装置(5)以及形状象传统灯泡的透明外壳(2)，提供了与传统白炽灯非常相似的照明设备(1)。

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。

Along with the unceasing development of technical innovation, the requirement for miner's lamp is more and more high, the lead sour miner's lamp of storage battery in coal mine enterprise gets extensive application.

随着科技创新的不断发展，对矿灯的要求越来越高，铅酸蓄电池矿灯在煤矿企业得到广泛应用。

"Inefficient in comparison with fluorescent lamp s and electric discharge lamp s, incandescent lighting is today reserved mainly for domestic use."

同萤光灯和放电灯相比，白炽灯的效率不高，现今主要还是家用电灯。

With the non-burning lamp core of the candle lamp, large amounts of cotton thread is saved.

与非燃烧灯的核心部分，蜡烛灯，大量的棉线是岸。

Lamp Current Crest Factor: Ratio of peak current to the root mean square lamp Current.

灯管电流峰值因数：峰值电流与灯管电流平方根的比值。。

Using this method, wide dimming range can be achieved with narrow frequency range and constant DC link voltage. And the lamp current keeps perfect sine wave all the time, which means low lamp current crest factor is obtained. Its validity is verified by simulation and experiment.

本章最后提出了一种基于T型滤波器的新型的调光方法，采用此方法可以在保持逆变器直流母线电压和开关占空比不变的情况下，只需很窄的频率范围就能达到非常宽的调光范围，而且在整个调光范围内灯电流都基本上是完美的正弦波，这就意味着可以始终保持很低的灯电流波峰因数，仿真和实验结果充分验证了它的优点。

R. Lamp Current Crest Factor: For 60Hz operation, the ratio of peak lamp current to the root mean square RMS

R。 为灯电流的最大峰值与均方根有效值之比。为避免操作阴极，标准规定LCCF 不得超过1.7 。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。