light-off
英 [laɪt ɒf]
美 [laɪt ɔːf]
网络 起燃; 点火; 点燃; 关光
双语例句
- Controlling micro-structure of rate-earth mixed oxide and zeolite makes WFEC DOC possess excellent low temperature light-off performance with quite low PGM loading.
通过控制稀土材料、分子筛微观结构，使DOC以较低贵金属用量达到具有良好的低温活性。 - The exhaust gas temperatures rise and variation during EUIII test cycle and its impact on the light-off time, ceramic temperature, dynamic response behavior and emission results were studied.
试验研究了摩托车在EUIII测试循环工况下的排气温度变化，以及对于两种氧传感器起燃时间、陶瓷体温度变化、动态响应特性和排放的影响。 - Automotive emission; Catalytic converter Light-off performance;
汽车排放；催化转化器；起燃特性； - Catalytic converter; Fast aging test; light-off temperature; Converter efficiency;
催化转化器；快速老化试验；起燃温度；转化率； - A comparative analysis is carried out between common light-off temperature meth-od and uncommon light-off ties method for evaluating the light-off performance.
对起燃特性评价试验中常用的起燃温度法和不常用的起燃时间法进行了对比分析。 - Experimental study on catalytic converter fast light-off of electronically controlled LPG fuel injection engine
电控LPG发动机催化转化器快速起燃的试验研究 - And for this purpose, the author has also studied the effect of space velocity, monolith length, specific area of catalyst, and conduction coefficient and wall thickness of the monolith on the performance curve of the light-off temperature were investigated by use of the model.
用该模型考察了空速、载体长度、催化剂比表面积、载体导热系数以及壁厚等因素对起燃温度特性曲线的影响。 - In view of the high light-off temperature and short service life of alum catalyst made in China which is used in the production of sulfuric acid, the development of cesium catalyst using cesium salt as solubility promoter and cerium salt as additive is proposed.
针对国产的硫酸生产用钒催化剂起燃温度高、使用寿命短，提出以铯盐为助溶剂、铈盐为添加剂，研制了铯催化剂。 - Study on Light-off Characteristics of a Small LPG Engine with Three-Way Catalyst
小型LPG发动机匹配三效催化器的起燃特性研究 - Influences of different combinations and distributions of the three precious metals on the catalysts characteristics were studied by contrasting and analyzing the performances of ratios of air to fuel ( A/ F), light-off temperatures and catalytic conversions of the catalysts.
通过对表征催化剂催化性能的空燃比特性、起燃特性和催化转化效率的对比分析，研究了3种贵金属的组合与分布对催化剂3大特性的影响。 - Study on Light-off Characteristics of Two Stage Three Way Catalytic Converter during Cold Start Period
两级式三效催化器冷起动起燃特性研究 - In this paper, the light-off and space velocity characteristics of lean NO_x diesel catalyst with ethanol as the additive were evaluated on engine test bench and the adaptability of this catalyst to the Euro III Standard ( ESC) was also tested.
在发动机台架上对乙醇作为还原添加剂的柴油机稀燃NOx催化剂进行了起燃特性和空速特性的性能评价，并考察了该催化剂对欧III排放法规的适应性。 - Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.
试验结果表明，催化转化器的位置距排气口近可提高排气温度，大大提高催化转化器的转化效率；推迟点火提前角和提高怠速转速均有利于使催化转化器进入快速起燃状态。 - In order to meet the increasingly stringent automotive emission standards, the catalytic converter not only has high conversion efficiency and a long durability but also has low light-off temperature and good flow features.
为了满足日趋严厉的排放法规，催化转化器不但要有高的转化效率和长的使用寿命，而且要有良好的起燃特性和流动特性。 - And, finally, the value of conduction coefficient and wall thickness of the monolith almost have no obvious effect on the light-off temperature.
载体导热系数和壁厚的大小对起燃温度几乎没有影响。 - The Impacts of Differences Between C_3H_6 and C_3H_8 to the Catalytic light-off Performance of Pt-Rh Type Automotive Catalyst
C3H6和C3H8的性质差异对Pt&Rh型汽车排气催化剂起燃特性的影响 - The studies on automotive catalytic converter, including reaction kinetics, heat and mass transfer, gas distribution, transient behavior, deactivation, modeling, design, fast light-off and low emission techniques, were reviewed.
综述了近30年来国内外在汽车催化转化器方面的研究概况，包括化学反应动力学、传热传质、气体流动、催化器暂态行为、失效、模型、设计、快速起燃和低排放技术等。 - Influence of gas flow uniformity on catalyst light-off characteristics in automotive catalytic converter
汽车尾气催化转化器内流动均匀性对起燃特性的影响 - Flow velocity distributing in monolith gives great effect on transform efficiency and light-off character and life of catalytic converter.
载体的流速分布对催化转化器的使用效率、起燃特性和寿命都有很重要的影响； - A three-way catalyst including Pd is evaluated using test method and its light-off course is simulated.
对一种含Pd的三效催化剂进行实验室评估，并模拟了此催化剂的起燃过程。 - Numerical simulation of light-off temperature for automotive catalytic converter
车用催化转化器起燃温度的数值模拟 - A Study on Vehicle Emission performance on Road Based on Light-off Temperature of Catalytic Converter
基于催化转化器起燃温度特性的道路车辆排放性能研究 - At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light-off characteristic and conversion efficiency of three-way catalytic converter are analyzed and could provide a guide for the optimization of three-way catalytic converter.
本文还对载体长度、孔密度、孔道壁厚和催化剂用量对催化转化器起燃特性和转化效率的影响进行了分析，为载体参数的优化设计提供了依据。 - The result shows the change of its temperature field and concentration field in light-off course.
模拟结果显示了起燃过程中催化转化器载体温度场以及气体浓度场的变化。 - The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.
研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。 - Air/ Fuel ratio property, light-off temperature property and light-off time property tested on bench before and after the fast aging are described in this paper.
文中报道了研究的试验装置，快速老化模式以及老化前后空燃比、起燃温度、起燃时间等特性的台架试验结果。 - It may effectively reduce the HC emissions to use a catalyst with low light-off temperature, close-coupled catalyst, HC traps, second air injection and electrically heated catalyst.
采用如低起燃温度催化剂、密耦催化剂、HC捕集器、二次空气注入和电加热催化剂等在内的排气后处理技术，可以有效地减少污染物尤其是HC的排放。 - The traditional catalysts in the presence of HC low temperature processing ability is poor, light-off temperature higher.
传统催化剂存在HC低温处理能力差，起活温度高等瓶颈问题。 - Besides, the product purity also can be raised through controlling the feed rate of the light-off tower, or adding nitrogen in the top of light-off tower.
此外，控制脱轻塔的进料量和在脱轻塔顶加入氮气进行吹扫也能解决产品质量不达标的问题。