In this paper the flame spreading rate (Vf), pyrolysis length (lp) and flame structure of PMMA fuel rod in an opposed air flow and quiescent environment were investigated.
本文测量了不同直径的PMMA燃料棒在逆风和静止环境中的火焰传播速度、裂解长度和火焰形状。
The effects of temperature and equivalence ratio of supersonic premixed combustible flow on the structure of supersonic combustion flow field, ignition and flame propagation were studied.
研究了超声速预混可燃气流的温度以及当量比对超声速燃烧流场结构、点火与火焰传播特性的影响。
Considering the characteristic of thermite and the concrete structure of the welding rod, the design scheme of special-purpose flame igniter is adopted, and the igniter is designed in detail.
针对焊接药剂的特点，并结合焊条的具体结构，采用专用火焰点火器点燃焊条的设计方案，并对点火器进行了详细设计。
There also introduces the principle and structure of infrared flame detecting equipment and the improving measure for flame processor.
介绍了红外火焰检测装置的原理结构及其火焰信号处理器的改进措施。
This paper describes the structure of unit circuits of capacitor high-low adjustor, trend of signal, basic work principle and practical application of whole equipment in flame cutting.
详细叙述其各单元电路结构，信号走向，整体设备的基本工作原理以及在火焰切割中的实际应用。
In this paper, the structure of a flame detector and CCD imaging feature is described.
文中简单介绍了火焰探测器的结构和成像特点。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied.
用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
This paper describes in detail the components and structure of W -type flame combustor, as well as W- type flame combustion technology and its adjustment method.
介绍了W形火焰燃烧器的组成和结构，W形火焰燃烧技术及调整方法。
The features of burners, air distribution mode, and structure for various W-shaped flame boilers in service at present in China have been presented.
介绍我国现役各类W火焰锅炉燃烧器、配风方式及结构特点。
The system can be used to study the flame structure and propagation mechanism of gas flame, dust flame and hybrid flame.
利用高速纹影、微细热电偶、离子探针和光电管系统地分析了甲烷煤尘复合火焰的传播特性。
The invention relates to a large cylindrical welding structure flame automatic air gouging method and a special device.
大型圆筒形焊接结构火焰自动气刨方法及专用设备。
To introduce the application effect of emissive flame nozzle on muffle, the structure characteristics of muffle, main design targets and real targets of production.
介绍平焰烧嘴在马弗炉中的应用效果，炉子结构特点，主要设计指标与投产后实际指标。
Melamine could polymerized with other polymers to form crosslinked network structure, which could improve the strength, toughness and flame retardance and other properties.
三聚氰胺可以和其它聚合物发生聚合反应，形成立体网状结构，提高聚合物的强度、韧性、阻燃性等。
The reasons for different mode of welding residual stress distribution and influence of flame curving on steel structure are discussed.
简要阐明了造成不同焊缝应力分布的原因及火工校弯成形工艺对构件残余应力分布的影响。
The structure of the obtained flame retardant was identified by IR, 1HNMR and elementary analysis. In addition, the effects of water-trapping agent and catalyst on the reaction are discussed.
用元素分析、IR、1HNMR验证了化合物的结构，分析了除水剂、催化剂等反应条件对反应结果的影响。
But the short flame and high temperature of fully aerated burners conduct more heat through burners and that causes the head of burners overheat and material the size and structure of burners.
但是由于完全预混式燃烧器火焰短且温度高，增加了火焰向燃烧器的传热，造成燃烧器头部过热，使材料老化加快。
The pipe blank dimensions and the necking force were calculated. The structure of necking die for the flame pipe was introduced.
确定了缩口次数并计算了管坯尺寸和缩口力。
This paper introduced a low yellowing , excellent flame retardant unsaturated polyester resin synthetized from a special chemical structure brominated compound and its chemical physical properties.
采用一种特殊化学结构的含溴化合物为主要原料， 合成了一种具有老化变黄度小、阻燃性能优越的不饱和聚酯树脂，介绍了此树脂的化学物理性能。
Sandwich type panel structure, the middle of flame retardant and heat insulation and noise reduction material, has the fire performance of A0 class.
三明治夹层式面板结构，中间加阻燃隔热降噪材料，具有A 0级防火性能。
The utility model relates to a flame-proof structure for a shaft, belonging to the electromotor manufacturing field, which comprises a shaft, a flame-proof sleeve and a bearing.
本实用新型涉及电动机制造领域，具体说是一种轴用隔爆结构。
The flame-proofing switch with tight structure, good reliable and small bulk has strong capacity for cutting out and in, and the long service life, etc;
隔爆型开关具有结构紧凑、可靠性好、体积小、通断能力强、寿命长等优点；
The flame-proofing switch with tight structure, good reliable and small bulk has strong capacity for cutting out and in, and the long service life, etc;
隔爆型开关具有结构紧凑、可靠性好、体积小、通断能力强、寿命长等优点；
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