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- excess carrier density 过剩载流子密度
- The applicability of the assumption, "the surface photo-voltage is a monotonic function of the surface excess minority carrier density", to epitaxial material is studied by numerical analysis method. 本文应用数值计算方法研究了表面光电压是表面非平衡少子浓度的单调函数这一假设对于同型外延材料的可应用性。
- Using steady state rate equations,closed form solutions for carrier density in the active layer is deduced. 利用稳态速率方程 ,导出了激光器有源区载流子密度与偏置电流及输入信号光功率关系的隐函数表达式。
- The higher carrier density in the type-II quantum well results in higher Auger recombination rate as temperature increases. 第二型量子井中较高的载子浓度可能是高温时欧杰复合速率增加的原因。
- The effects of different irradiation energy density and laser wavelength on the carrier density and the process of temperature ultrafast variation were investigated. 研究了不同辐照能量密度和不同激光波长对载流子密度和温度超快变化过程的影响规律。
- Nonuniformly injected SOAs can improve carrier density hole-burning effects and have more stable gain and higher saturation output power than conventional SOAs. 采用非均匀注入结构，可以达到改善SOA内部载流子空间烧孔效应、稳定增益、提高输出功率的目的。
- The linear relation of gain on carrier density in the conventional rate equation is replaced by the logarithmic relation (gain saturation effect) for quantum well (QW) lasers. 用量子阱激光器增益与载流子浓度的对数关系(增益饱和效应)取代了体材料的线性关系,得到了适用于量子阱结构的速率方程,详细分析和计算了这一修正的影响。
- It is indicated that the laser structures with many quantum wells will suffer from the inhomogeneity of the carrier density within the quantum well itself which affects the LD performance. 结果表明，当激光器包含多个量子阱时，量子阱内部的载流子密度的不均匀性会损害激光器的性能。
- The essay discusses a series of tests which the factors of the carrier density .solidified agent density, medium and PH value influence the capacity of lysine production solidified yeasts. 本文报道了载体浓度、固化剂浓度、培养基浓度以及其PH值等因素对固定化酵母产赖氨酸影响的系列试验和结果。
- Mott-Schottky analy?鄄sis showed that the hydrogen protons could enhance the dielectric constant of the passive film and account for the increase in capacitance and carrier density of passive films. 同时，氢促使钝化膜的介电常数增大，空间电荷电容增大，载流子密度增加，从而降低了钝化膜的稳定性。
- Never spend in excess of your income. 花钱切不可超过自己的收入。
- Don't carry your anger to excess. 不要肝火过盛。
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- Our school has a student number in excess of 800. 我们学校的学生数超过八百人。
- Please trim the excess fat off (the meat). 请把过多的肥膘(从肉上)切掉。
- An excess of rain caused severe floods. 雨水过量造成了严重的水灾。
- Usury is interest in excess of a legal rate. 高利贷是指超过法定利率取息。
- Luggage in excess of 100 kg will be charged extra. 超过100公斤的行李要额外收费。
- Your carrier for this flight is British Airways. 你的这一班机是英国航空公司的飞机。
- The missile was launched from the aircraft carrier. 导弹是从航空母舰上发射的。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
