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burning speed
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  燃烧速度
     The results indicate that the burning velocity of Ti(>10%)Cr alloys is low. If the alloying element Cr content is greater than 15% the burning speed is lower.
     结果表明 :Ti (>10 % )Cr合金元素的燃烧速度较低 ,Cr含量大于 15 %的合金阻燃效果更明显 .
短句来源
     In this paper, the manufacture of 1/4s (quarter-second) series and 1/2s (half-second) series delay powders has been discussed. From adding some oxidant BaSO4 in the millisecond delay powder containing Si and Pb3O4 can reduce the burning speed.
     介绍了在毫秒级延期药Si-Pb3O4系中加入一定量的缓燃氧化剂BaSO4,可以降低体系的燃烧速度,取得有较长延期时间的1/4秒和半秒延期雷管装药。
短句来源
     Since the major composition of biogas is CH4, but contains a considerable proportion of CO2, ignition temperature is high, burning speed is slow, octane value is high, with high anti-explosion, when it burns, the first problem is to gear the engine, thus employ technical measures such as high energy ignition, higher compression ratio, bigger spark advance or supplying oil advance angle, collocate suitable ratio of air and fuel etc.
     由于沼气的主要成份为CH_4但成份中含有相当比例的CO_2,辛烷值高,着火温度高,燃烧速度慢,抗爆性强,在发动机上燃用首先解决起动着火性能,所以需要采用较大的压缩比和采用高能点火及较高的点火提前角或供油提前角,以及配置合适空燃比等技术方法。
短句来源
     Second, In order to improve its power, economy and emission, it is necessary to improve burning speed of LPG contraposing its low burning speed.
     其二,针对液化石油气燃烧速度低,为改善其动力性、经济性、排放特性和提高功率,有必要提高液化石油气的燃烧速度
短句来源
     Through the measure of moisture content,crude fat crude ash, sillica,volaule oil, burningpoint,combustion heat’ burning speed,etc. , of the leaf and methed of A、I、D.
     本文对福建37种针阔树种鲜叶含水率、粗脂肪、粗灰分、SiO_2、挥发油含量和燃烧热值、燃点、燃烧速度等10个因子进行测试,并应用A、I、D方法将37个树种依因子的不同取值范围划分为6个抗火性能等级。
短句来源
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  燃烧速率
     One-dimensional mathematical model for the premixed combustion of the mixed gases in inert porous media has been developed based on the hypothesis of local thermal non-equilibrium between the solid and the gas phases by solving separate energy equations for these two phases. The temperature distributions and the burning speed in the porous media are examined in different cases and compared to those in free flame.
     根据气固两相局部非热平衡假设,建立了混合气在惰性多孔介质中预混合燃烧的一维数学模型,研究了不同情况下甲烷-空气的预混合气在多孔介质中燃烧时的温度分布和燃烧速率,并与自由空间中相应的值进行比较.
短句来源
     The combustion temperature and the temperature of the chamber are increased evidently in the porous media and the thickness of combustion zone and the burning speed are also increased.
     在多孔介质中混合气的燃烧温度和燃烧室的温度明显升高,反应区厚度和燃烧速率显著增大.
短句来源
     The flame front is twisted and draped after it enters the spiral rings perturbing area. Flame superficial area,burning speed and heat release rate are increased to induce shock wave.
     火焰阵面进入螺旋环扰动区后,发生扭曲并产生褶皱,火焰表面积显著增加,燃烧速率增大,并相应增加了释热速率,诱导激波的产生.
短句来源
  “burning speed”译为未确定词的双语例句
     (4) As the moisture content of the pyrotechnic composition will influence on burning speed, the moisture content will be 0.3~0.8%;
     (4)烟火药的水份含量影响到燃烧的速度,确定烟火药中的水份含量在(0.3~0.8)%最为适宜;
短句来源
     (5) The uniformity and performance of the pyrotechnic composition shall be improved as the particle diameter of various components decrease. The grain size of the magnesium powder is controlled at 110~180μm, the burning speed is in the range of 3.6~6.7mm/s;
     (5)均匀性和烟火剂的性能随各种组分粒径的减小而提高,镁粉粒度控制在(110~180)μm,使燃速控制在(3.6~6.7)mm/s范围内;
短句来源
     (6) In order to guarantee the uniformity of the product burning speed, as same time it must be the definite strength, the density is selected at 1.70~1.75g/c m~2,that is said the pressure coefficient is 0.93~0.96;
     (6)为保证产品燃速的一致性,同时具有一定的强度,选择密度(1.70~1.75)g/cm~3,即压紧系数k为0.93~0.96;
短句来源
     The Application of Single-chip Computer on the Measuring Instrument of Burning Speed of Propellant
     单片机在火药燃速测定仪上的应用
短句来源
     (7) The grain length diameter ration and the composition interface shall directly influence the burning stability, so it makes charging at two times, the more reasonable the grain length diameter ration is, the more stabile the burning speed is;
     (7)长径比和药层界面数量直接影响到燃烧的稳定性,采用两次装压,每层药柱的长径比较合理,燃速更稳定;
短句来源
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  burning speed
The local propagation speed of the flame, which is solely determined by microscopic properties, is called the laminar burning speed.
      
This energy feed back leads the stabilized flame to have higher burning speed and a wide lean flammability limits than free flame.
      
Note that the mass-weighted mean of qsgs is scaled in units of the laminar burning speed slam.
      
However, the data points cover values of the turbulent flame speed of the same order as magnitude as the laminar burning speed only.
      
Figure 8. 2D contour sections of SGS turbulence velocity relative to the laminar burning speed, qsgs/slam, in logarithmic scaling.
      
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Great attention have been called both at home and adroad to the study on the burning characteristics of vertical tanks on fire.The article briefs the burning statse and process,looking into the factors that affect burning speed, flame emissivity, flame inclination and flame temperature obtained through observation and measurement,some computer formula included. There is ment(?)oned here in particular the burning charateristics of heavy oil products and meanwhile some propositions as to preventing...

Great attention have been called both at home and adroad to the study on the burning characteristics of vertical tanks on fire.The article briefs the burning statse and process,looking into the factors that affect burning speed, flame emissivity, flame inclination and flame temperature obtained through observation and measurement,some computer formula included. There is ment(?)oned here in particular the burning charateristics of heavy oil products and meanwhile some propositions as to preventing fire from spreading widely ao as to reduce economic loss.

对于立式油罐失火状态燃烧特性的研究,在国内外都引起了有关部门的很大重视。文章概述了燃烧时的状况和过程,观察、测定并研究了影响燃烧速度、火焰高度、火焰倾斜度、火焰温度的因素并引证了有关计算公式。文章还着重提出了重质油品燃烧的特殊性,同时也提出了防止火势蔓延、减少经济损失的建议。

By applying QDTA/T/EGD/GC on-line combined technique and the related equipments, DTA/EGD/GC burning characteristic curves of four different ranks of coal were determined. From those curves, the following information were obtained:(1) According to the burning characteristic curves measured by DTA, the characteristic temperatures of various thermal properties of coal during its oxidation and burning were determined: initial oxidation temperature (T_A), temperature range of surface oxidation/pyrolysis (T_B-T_C),...

By applying QDTA/T/EGD/GC on-line combined technique and the related equipments, DTA/EGD/GC burning characteristic curves of four different ranks of coal were determined. From those curves, the following information were obtained:(1) According to the burning characteristic curves measured by DTA, the characteristic temperatures of various thermal properties of coal during its oxidation and burning were determined: initial oxidation temperature (T_A), temperature range of surface oxidation/pyrolysis (T_B-T_C), ignition temperature (T_D), temperature of maximum burning speed (T_E) and burning out temperature (T_F).(2) Based upon the EGD curves measured by tracing the change of the composition of gas formed in DTA, better understanding on the difference in the characteristics of pyrolysis, ignition and burning among various coals was achieved.(3) The on-line GC analyses were conducted by extracting evolved gas at different temperatures in accordance with the DTA/EGD curves.Based on the above experimental results, a peroxide mechanism was presented and discussed for the low temperature oxidative reaction of coal.

应用QDTA/T/EGD/GC在线联同技术及其装置,测定了四种不同变质程度的煤质之DTA/EGD/GC燃烧特性曲线,从中可提供如下三方面的信息和数据:(1)依据DTA测得的燃烧特性曲线,可取得在氧化、燃烧全过程中各项热特性的表征温度。(2)依据跟踪DTA逸出气成份的浓度变化所测得的EGD曲线,可了解不同煤质在热解、着火和燃烧特性等方面的差异。(3)依据DTA/EGD曲线的演变,可截取各个反应温度下之逸出气,进行在线的GC分析。在上述实验结果的基础上,应用过氧化物学说探讨煤的低温氧化反应机理。

Studies the decreasing regularity of detonation wave through bulkhead and the ignition critical condition of igniting compositions. The accurate burning speed technique is found out in the case that the igniting powder is ignited by the detonation wave of detonator output. Therefore the design pain of a completely sealed delay detonator for fuze use is put forward, and its products with the delay time and accu racy of (100±20)ms are developed. Through the analysis on system  ̄research,the paper also point...

Studies the decreasing regularity of detonation wave through bulkhead and the ignition critical condition of igniting compositions. The accurate burning speed technique is found out in the case that the igniting powder is ignited by the detonation wave of detonator output. Therefore the design pain of a completely sealed delay detonator for fuze use is put forward, and its products with the delay time and accu racy of (100±20)ms are developed. Through the analysis on system  ̄research,the paper also point out the design ideas of completely sealed delay detonator which have different delay time and solves the problem of igniting the delay ignitor by detonator output which is pointed out by field of fuze.

通过对冲击波在隔板中的衰减规律及点火药点火临界条件的研究,找出了在雷管输出冲击波引燃点火药的条件下,延期药精确燃烧的技术.从而提出了引信用全密封延期管的设计方案,并研制了延期时间和精度为(100±20)ms的全密封延期管.文章还提出了不同延期时间系列全密封延期管的设计思路.解决了引信界提出用雷管输出引燃延期管的问题.

 
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