• 根据数据新闻报道燃烧面积而言最近野火加州有史以来严重的次野火。

    Some recent wildfires are among the biggest ever in California in terms of acreage burned, according to state figures and news reports.

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  • 其中一处火灾已经扩大了其一范围燃烧面积达一万英亩

    One fire doubled in size and has now burnt over 10,000 acres.

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  • 根据几何形状,导出了在火箭发动机工作过程燃烧面积通道面积变化规律的计算公式

    The area calculating formulas of burning surface and channel section have been derived by the grain geometry.

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  • 本论文通过正交实验燃气压力、水流量、进风口面积排烟口面积四个因素中找出了影响强制平衡式燃气热水器的燃烧热工特性主要因素。

    Through the orthogonal experiments, the author found out the major factor affecting the combustion and thermal characteristics from the gas pressure, water flow, air-inlet area and fume-exhaust area.

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  • 本文介绍喷管喉道高度为0.3毫米面积比为30燃烧驱动CO_2气动激光器某些实验结果

    This paper describes a combustion-driven CO2 gasdynamic laser with a throat height of 0.3mm and an area-ratio 30 grid nozzles, and presents some experimental results.

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  • 计算结果表明,燃烧通道面积、通道倾角、通道形状、通道布置气流运动的形式气流速度均有较大的影响

    It is concluded that the combustion chamber passage area, passage direction, passage shape and passage position have a strong effect on in-cylinder current motion and flow speed.

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  • 诱导流动通过加速火焰传播、加剧火焰变形增大火焰面积对容器内燃烧产生增强作用,泄爆流动大小主要泄爆面积决定。

    The venting induced flow result in the flame acceleration, deformation and area increase, and the strength of venting induced flow is dominated mostly by the venting area.

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  • 溶液燃烧样品虽然高温焙烧前比面积最小,在高温焙烧后比表面积几乎没有发生衰减表现优异的稳定性

    While the samples prepared by solution combustion have little surface area decay, behaving greatly high thermal stability, although they have the least surface area before calcining.

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  • 森林大火已经吞噬了相当于旧金山面积大小两倍地区,而且火势不减,燃烧

    It has already consumed an area twice the size of San Francisco, and still it burns.

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  • 文章提出一种定量计算燃烧室壁层厚度积炭表面时态温度方法,并依据测量数据给出研究结果

    The paper put out an analytical method to compute the deposit thickness and the instantaneous temperature of the deposit surface, and obtained the computing results.

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  • 石油燃烧具有分动力学行为特征表面分形维数变化趋势和面积容积不同。

    The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.

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  • 并测量气缸盖鼻梁区活塞燃烧表面态热流,结果表明燃烧受热表面积的存在工质燃烧零件的瞬态传热表现出闭塞作用

    The results shoW that the carbon deposit layer on the combustion chamber has strong isolative effect on the transient heat transfer between working medium and the parts of combustion chamber.

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  • 文中所研究燃烧结构条件下,存在最佳二次喷管出口面积,它能使引射火箭推力达到最大

    There exists an optimal exit area of secondary nozzle to result in a maximum thrust of rocket ejector in the light of the investigated ejector chamber structure.

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  • 由于采用了上述技术方案本发明具有使空气煤气混合效率燃烧火焰长度、火焰截面积优点

    The invention adopting the technical scheme has the advantages of high mixing efficiency between air and gas, short flame length during the combustion and large section surface of flame.

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  • 通过试验找出了诸因素对怠排放污染物浓度影响规律,如混合气质量,点火发动机转速,冷却水温度燃烧

    These factors are mixture concentration, ignition advance Angle, engine speed, temperature of cooling water and carbon deposit on the SUrfaces of the combustion chamber, etc.

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  • 通过石油燃烧过程中不同燃尽率焦样面积容积测定表明石油焦的比面积和孔容积增大,后减小一定数值,最后再增大。

    According to measurements, the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase, then decrease and increase again.

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  • 模型中考虑底排出口面积排气固相颗粒质量比,燃料热值燃气分子量燃烧飞行马赫数因素。

    In the model the exit area ratio, solid particle mass ratio, fuel enthalpy of combustion, jet gas molecular weight, chamber stagnation temperature, flight Math number etc. have been considered.

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  • 宽松的睡衣天然纤维棉花制成时,着火时,燃烧迅速有潜在儿童身体造成面积严重烧伤的风险。

    When loose-fitting sleepwear is made with natural fibres such as cotton, they can burn rapidly, potentially resulting in severe burns to large areas of the child's body.

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  • 宽松睡衣人造丝天然纤维制成时,一旦点燃将迅速燃烧可能造成儿童身体面积严重烧伤

    When loose-fitting sleepwear is made with natural fibres such as cotton or rayon from bamboo, they can burn rapidly, potentially resulting in severe burns to large areas of the child's body.

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  • 独特的燃烧设计增加了炉膛辐射受热面积缩小锅炉体积降低了。

    The unique big combustion chamber design, increased the chamber radiation heating area, reduced the boiler volume, reduced Nox discharging;

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  • 文章提出了一种定量计算燃烧层厚度积炭表面时态温度方法,并依据测量数据给出研究结果

    The results showed that when the combustion chamber wall was coated with deposits, the measured temperature fluctuation and me...

    youdao

  • 文章提出了一种定量计算燃烧层厚度积炭表面时态温度方法,并依据测量数据给出研究结果

    The results showed that when the combustion chamber wall was coated with deposits, the measured temperature fluctuation and me...

    youdao

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