查询词典 ignition

Two ignition methods of kerosene/oxygen igniter, direct ignition and indirect ignition, were discussed.

提出了两种应用气动谐振的气氧煤油点火器方案：直接点火方案和间接点火方案。

In this paper, the effects of these random factors on the ignition delay of single particle and on the ignition delay of multipoint uniform ignition are investigated.

本文主要研究这些随机因素对火药颗粒点火过程的点火一致性和同时性的影响。

The ignition of this electric current in the regulation when the dot is released with onefold weaveform, and the primary coil that electric current has shed ignition coil, tall voltage electricity produces in the secondary coil induction of ignition coil, its are to be in as a result intense scintilla bursts forth in sparkplug clearance.

此电流在规定的点火正时点以单一的波形被释放，而电流流过点火线圈的初级线圈，在点火线圈的次级线圈感应产生高电压电流，其结果是在火花塞间隙中迸发强烈的火花。

In shafts where self-ignition of gases is possible, main transport lanes shall be deployed in rock layers or in ore layers where self-ignition is unlikely, and, effective measures for precaution, for instance, grouting up, to prevent self-ignition, are necessary

有自然发火可能性的矿井，主要运输巷道布置在岩层或者不易自然发火的矿层内，并采用预防性灌浆或者其他有效的预防自然发火的措施。

Result of computation of content of the oxygen in ignition air current makes clear, the aerobic content in air current of microwave sirocco ignition is 21%, content of the oxygen in gas ignition air current is 8.59%.

点火气流中氧气含量计算结果表明，微波热风点火气流中的氧气含量为21%，煤气点火气流中氧气含量为8.59%。

Application of 12V8 full DC magneto, dual-channel CDI, double ignition coil and double spark plugs enable quick ignition at low speed and high-energy ignition at high-speed, and ensure smooth startup in oxygen-deficit highland conditions, cold weather and other heavy conditions.

采用12V8极全直流磁电机、双通道点火器、双高压包、双火花塞，使发动机实现低速快速点火和高速高能点火，能在高原贫氧和寒冷天气等恶劣环境条件下正常启动。

Compared with conventional ignition, plasma ignition has showed some benefits, shorter ignition delay time, enhanced combustion, and ignited consentaneously, and so on.

与常规点火比较，等离子体点火可以缩短点火延迟时间，显著增强燃烧，提高点火一致性和全面性。

Thus, it is important and significant to study plasma ignition technology and direct the structure design and application of plasma ignition device. In this dissertation, the plasma ignition technology and development of numerical simulation was introduced and the structure and character of chemical flow of plasma ignitor was analyzed in details.

本文详细介绍了等离子点火技术国内外研究现状和燃烧流场的数值模拟进展，系统深入地分析了等离子点火器内部化学反应模型、流场数理模型和数值模拟方法。

The research show that from anthracite, lean coal to bituminous, reaction rate become more and more large and ignition activation energy become more and more small; ignition activation energy falls and reaction rate increases as the volatile content increases;With the carbon content of dry ash-free basis increasing, ignition activation energy increases and reaction rate falls.

结果表明：从无烟煤，贫煤到烟煤，其反应速率越来越大，频率因子越来越小，着火活化能越来越低；挥发分增加，活化能减小，反应速率变大；干燥无灰基固定碳含量增加，着火活化能增加，反应速率减小。

Detailed analysis is conducted on the velocity field, the pulverized coal concentration and temperature, and the results indicate that: in the first stage of the two-stage oil-less ignition system, the flow characteristics and the distribution of pulverized coal concentration make for the ignition of pulverized coal by heating pipe, and during procedure of ignition there are three different kinds of temperature distribution on the cross sections of heating pipe; the flow characteristics in the second stage makes for the mixing of gas phase, and the flame temperature is higher in the second stage.

详细地分析了燃烧器内部速度场、煤粉颗粒浓度场和温度场，结果表明：在燃烧器的第一级，其流动特征及煤粉颗粒浓度分布有利于加热管道对煤粉颗粒的点燃，点燃过程中加热管道的截面上有三种不同的温度分布；燃烧器第二级内部流动特征有利于气流的混合，第二级的火焰温度比第一级更高。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。