emission velocity
英 [iˈmɪʃn vəˈlɒsəti]
美 [iˈmɪʃn vəˈlɑːsəti]
网络 发射速度,放射速度
双语例句
- On the basis, the relation between the enhancement of stimulated emission as well as transmissivity being greater than one and the abnormal group velocity in photonic band gaps as well as n.
由此说明光子晶体光纤的缺陷介质中掺入激活杂质时，光子禁带中能出现品质因子非常高的杂质态，具有很大的态密度，较强的受激辐射放大。 - Gas flow from borehole directly relates to the gas emission from drill drainage coal bed and judging the initial velocity of gas emission from the borehole.
钻孔瓦斯流量直接关系着钻孔抽放煤层瓦斯涌出量及钻孔瓦斯涌出初速度的判定，因此研究钻孔瓦斯流量的变化及发展趋势具有较大实用价值。 - A Study of Forecasting Gas Emission Rate at New District of Coal Mine with the Initial Velocity Method
利用速度法预测矿井新盘（采）区瓦斯涌出量的研究 - The physical mechanism of explosive emission cathodes is reviewed. The properties of these cathodes are introduced in detail, including the threshold voltage, uniformity, plasma closure velocity, and life time.
文章对爆炸发射阴极的物理机制进行了阐述，着重对爆炸发射阴极的各种特性进行了介绍，包括阈值电压、发射均匀性、等离子体闭合速率、阴极寿命等。 - Results show that NO_x emission can be reduced by increasing the injection velocity of the fuel gas.
结果表明，燃气射流速度的提高可以减少NOx的排放； - In addition, some different concepts, for example, "the quasi-Fermi level discontinuity" and "effective emission velocity of the carriers" are proposed.
文中还提出了准费米能级不连续性、载流子有效发射速度等与传统观念不同的新概念。 - The relationship between dust emission rate and frictional velocity was analyzed too.
最后讨论了起沙率与摩擦速度的关系。 - When a higher load was added to the engine, EGR can effectively reduce NOx emission under some velocity range, and the engine power was slightly affected, so EGR can be used in some conditions;
在发动机较大负荷时，EGR能在一定的转速范围内有效的降低NOX排放量，并且对动力性的影响不大，因此要有选择的采用EGR； - The numerical modeling of acoustic emission to the processes of rock damaged and evolution with high velocity body
含硬包体岩石破裂演化过程的声发射数值模拟 - Characterisation of Structure& borne Emission of Machines: Measurement of Free Velocity and Mobility
机器结构声发射的表征：自由速度和导纳的测量 - For exploring the direction of acoustical emission sources prior to earthquakes, assuming that the sound velocity is only dependent on depth, a formula of sound source direction can be derived.
为探索震前声发射的方向与地震的关系，假定声速仅与深度有关，在这种条件下得到的方向公式应该与恒速条件下得到的方向公式一致。 - The formula for predicting structure-borne sound power emission from source to suppor-ting structure contain source free velocity, source mobility matrix and supporting structure mobility matrix, and is inconvenient.
预测结构声源进入到支撑结构功率的精确公式包含机器在安装点的导纳矩阵、自由速度、以及支撑结构在安装点的导纳矩阵，缺乏实用性。 - For the sawdust sample smolder process, the average emission rate of CO_2 first rose, then dropped with the increase of air velocity, while the average emission rate of CO had no obvious change.
随着空气流速的增加，同一种材料（木屑）在阴燃过程中CO2的平均排放速率先增大后减少，而CO的平均排放速率随空气流速的变化不大。 - By prediction analysis to mean series of daily observation data of electromagnetic emission and roof subsidence velocity series, the results show that the prediction model based on the maximal Lyapunov index has very high prediction precision and is feasible.
通过对冲击危险区域的电磁辐射日平均值序列及顶板下沉速度序列等实例的预测运算和分析，得到冲击地压的最大Lyapunov指数预测模型达到了较高的预测精度，是完全可行的。 - We find that the HBT radius for the freeze-out emission case is substantially greater than that for the case without absorption of multiple scattering. The expanding velocity of the source leads to a smaller HBT radius.
研究发现，在冻结发射情况下的HBT半径要明显大于没有考虑多重散射吸收情况下的结果，源的膨胀速度导致HBT半径变小。 - From the simulation, we know the relationship between the viscosity and the velocity, the movement viscosity and the emission volume, the jet velocity, density and the radius of the print head, and et al.
通过模拟，我们知道了粘度与速度的关系、运动粘度和喷出量的关系、喷口速度和液体密度和喷头半径的关系、以及喷射角和液滴着落位置的关系。 - The damage state of rock can be determined with number of acoustic emission and velocity variation under uniaxial monotonous loading.
单轴单调加载下的声发射数和波速变化已用作岩石损伤测定方法。 - The thesis also analyze some factors that affect the emission rate from goaf, the main factors are cycle pressure, air quantity, production, the velocity of the working face advanced and production processes.
对影响综放工作面采空区瓦斯涌出的主要影响因素如周期来压、产量、推进速度和生产工序等方面进行了全面的分析。 - It shows that the rock damage process can be divided into several stages, and the acoustic emission and ultrasonic velocity variations exhibit different characteristics in different stages.
研究表明：单轴单调加载下岩石损伤过程可分成几个阶段，不同阶段声发射和声波波速变化呈现不同特征，超声波速相对变化能够稳定可靠地鉴别岩石的加载强化与加载弱化。