热发射
- 网络thermal emission;thermionic emission;Hot Launch
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La2O3-Mo热发射材料的研究
The Study on the Thermionic Emission of La-Mo Materials
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先进星载热发射和反射辐射仪(ASTER)&地质学家的最佳选择
Advanced Spaceborne Thermal Emission and Reflection Radiometer ( ASTER ) - The best choice for geologists
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同时也介绍了用LED光源测得的单光电子幅度谱及用热发射法测得的暗电流谱的差异,并分析了两种方法测得的幅度谱的差异的主要根源。
At the same time we studied the difference for use LED low intensity light source and dark current method , mea sured photoelectron spectrum .
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论Kirchhoff定律在热发射率测定中的适用性
An Investigation of the Validity of Kirchhoff 's Law for Measuring Total Thermal Emittance
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纳米复合W-La2O3材料的表面行为与热发射性能
Surface behavior and emission properties of nano-composite W-La_2O_3 material
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硅P-N结电场对金施主中心空穴热发射率的影响
Electric Field Effect on the Thermal Emission Rate of Holes Trapped at Gold Donor Center in Si P-N Junction
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La-W、Ce-w、Y-W电极材料热发射性能研究
Thermal-Emission Properties of La-W 、 Ce-W 、 Y-W Electrode Materials
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通过对LaB6在各种气体、气压下中毒机理的研究,发现它的热发射在H2中最稳定,在O2中变化最大。
Having studied the poison mechanism of LaB_6 in different gases and pressures , we find that it works most stably in H_2 and it has violent variation in O_2 . Oxygen existing is of great advantage to eliminate carbon impurity on surface in activating process .
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论文介绍RF腔光阴极注入器中热发射度的测量方法,在注入器中有三个因素影响热发射度的测量,它们是:射频场效应、空间电荷效应和发射度测量误差。
A new method for the measurement of the thermal emittance in the RF photoinjector is introduced in the paper . The measurement are affected mainly by three factors which are the RF effect , the space charge effect and the error of measurement .
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本文对金刚石车削后的铜、镁的表面形貌进行了测量,表明粗糙度造成的热发射度大约0.4mm·mrad。
Surface profile measurement of Copper and Magnesium after diamond cutting shows normalized RMS thermal emittance due to surface roughness is about 0.4mm · mrad .
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介绍了一种最新遥感器&载于将在1998年发射的EOSAM-1空间飞行器的高级星载热发射反射辐射仪,并提出遥感找油气的基本原理。
A new sensor : Advanced Spaceborne Thermal Emission Reflection Radiometer ( ASTER ) carried on EOS AM 1 which will be launched in 1998 was introduced , and the basic principles of remote sensing detecting petroleum were also proposed by the author .
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高温下材料表层形成了含有超额铈的活性层,纳米CeW材料的活性层厚度增大,超额铈的含量增多,Ce/O的活性层更厚,因此热发射性能更优异。
At high-temperature , the active layer thickens , and the cerium concentration in surface increases . Nanometer Ce-W material exhibits excellent emission characteristics compared with that of micrometer material .
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垂直热发射流场研究与计算机仿真
Research on flow of jet plumes out during vertical hot launching
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光阴极电子枪中金属光阴极的热发射度研究
Researches on Thermal Emittance of Metal Cathode in Photoinjectors Hottest Word
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各向异性散射梯度折射率介质层的热发射特性
Thermal emission characteristics of an anisotropic scattering medium layer with gradient index
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自由电弧热发射阴极的物理模型
Model of free burning arc at thermal emission cathode zone
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金属低周疲劳的能量耗散与热发射
On Energy Dissipation and Thermal Emission of Metals Under Low Cycle Fatigue
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负折射率半透明薄膜的热发射特性研究
Thermal emission characteristics of a negative index semitransparent thin film
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半球向热发射率测定研究
The research on measurement of the total hemispherical emissivity
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在发射过程中,如何保证发射电流的稳定性、均匀性是热发射研究的又一个研究方向。
How to ensure the stability and uniformity of emission is another researching direction .
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高温涂层及金属的半球向全热发射率测定装置
An apparatus for measuring the hemispherical total emissivity of the high temperature coatings and metals
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量子阱中载流子的热发射能与界面的能带偏移有着密切的关系。
The thermal emission energy from a quantum well is related to the appropriate band offset .
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对红外加热器热发射率的标准参比涂料测试法作了简化。
The conventional method using reference paint for determining heat emittance of infrared heater is simplified .
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设计了涂层的抗热震试验方案,并表征了涂层的抗热震性能;使用辐射计法测量涂层表面的热发射率。
The thermal shock property was characterized and the coating surface emissivity was measured by radiometer .
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热发射测速技术
Thermal emission velocimeter technique
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在极低电荷量的情况下,我们利用补偿线圈扫描法测量了电子热发射度。
Solenoid scan method is applied to measure the thermal emittance while the beam charge is very low .
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在栅极上涂覆一层材料降低栅极的温度,抑制栅极热发射;
The problem of reducing grid heating-launch is solved by coating a flat of the material around the grid .
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对非连续薄膜的电导率热发射和隧道发射模型进行了对比。
The Schottky emission model has been compared with tunnel emission model by the calculation of the conductance of non-continuum film .
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得到了生长速率与微缺密度、注量率、热发射率之间的定量关系。
The growth rate of the metallic compounds , as afunction of sink-densities , dose-rate and thermal emission-rates , is obtained .
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分析比较温度对金属热发射、场致发射、光电发射和次级发射的影响。
This paper analyses and compares the influence of temperature upon metal thermal emission , field emission , photoelectric emission and subsequent emission .