点火

Owing to the grouping synchronously multi-point injection, the distributorless ignition system with two cylinder ignited synchronously, and MAP sensor replacing air flow meter are applied in this system, it has simple structure, credible performance and cheap cost.

在该系统中，选择了分组同时喷射的多点喷射方式，点火系统应用了无分电器两缸同时点火系统，从技术和造价上来看，该系统具有结构简单、性能可靠和造价低廉等优点。

The composition of the system,injection and ignition signal generation and measurement of control map characteristics,as well as the control algorism of gasoline injection quantity and ignition advance angle were discussed in detail.

重点论述了该控制系统的构成、点火及喷油控制信号的生成方法，控制脉谱的制取过程以及喷油量、点火提前角的控制策略。

Innovative automobile electronic ignition control system is based on the characteristic curve MAP of ignition advance angle to control data,and the insertion value algorithm and changing index exponent curve surface fitting algorithm are chosen dynamically.

新型汽车电子点火控制系统是以点火提前角的特性曲线MAP图为基础控制数据，动态选用插值算法和变阶曲面拟合算法。

The result shows that the movement of the propellant grains is complex and relative to the ignition system very much. Guns with center tube ignition and flame-spreading system can alleviate the accumulation of the propellant effectively, and will have better performance.

结果分析表明：火炮点火后膛内火药颗粒的运动情况十分复杂，其运动规律与点传火的方式密切相关，点火孔均匀分布的中心传火管点火方式可以有效的改善发射过程中火药颗粒在弹丸底部堆积的现象，获得更佳的发射效果。

In order to enhance the engine the power curve, the efficiency and the improvement discharges the pollution, but used enhanced the ignition power, may the variant ignition angle technology several -like electron ignitions system.

为了提高引擎的动力曲线、经济性和改善排放污染，而使用了提高点火必、可变式点火角技术的数位式的电子点火系统。

Based on the characteristic of Zhuzhou Power Plant, the burners will be retrofitted by using traditional oil gun and natural gas ignator.

结合株洲电厂特点，选用将传统的点火油枪和天然气点火燃烧器结合使用方法对点火系统进行改造。

In the boiler ignition technology, the new units have adopted the vast majority of the plasma or a small oil gun ignition technology, fuel consumption is also greatly reduced, many plasma ignition technology, coal-fired units also achieved in infrastructure during debugging zero fuel consumption .

在锅炉点火技术方面，新建机组绝大多数都采用了等离子或小油枪点火技术，燃油的消耗量也大大降低，很多采用等离子点火技术的燃煤机组在基建调试期间还实现了燃油的零消耗。

In modern spark ignition engine, in order to optimize Spark Advance Angle to increase the dynamic performance and economic performance and decrease emission, the Microcomputer controlled ignition system is adopted.

为了提高火花点火发动机动力性、经济性和改善排放，进行点火提前角的调整优化，通常采用电控点火系统。

The ignition module can be divided into 2 types, id est: the capacitor discharge ignition module, and transistorized coil ignition module according to the difference of the energy storage element.

根据点火储能元件的不同，点火器主要有电容充放电点火和晶体管点火两种类型。

Modes of the suddenness blast-off of the engine are taken based on fault tree qualitative analysis,and the probability of the suddenness blast-off of the engine are obtained based on fault tree quantitative analysis.

定性分析获得了发动机意外点火模式和避免意外点火的有效模式，定量分析得到了发动机意外点火概率值，最后对分析结果进行了评价。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。