The treatment group (145 cases) was treated by oral use of QW;
治疗组145例,口服清银丸治疗;
Men are all alike in their promises. It is only in their deeds that they differ. qw.
人们的承诺不相上下,只有行动才能显出差异。
The two wavelengths correspond to E1-HH1 and E2-HH2transitions in the QW respectively.
这两个激射波长分别对应于量子阱中E1-HH1和E2-HH2的跃迁。
To enhance the tunable photonic delay of a single QW SOA, we explore a serial cascade of multiple amplifiers.
为了提高单个量子阱半导体光放大器的可调光子延迟,我们进一步探讨了多个光放大器的串行级联。
Providing the conditions of QW-304 are satisfied, renewal of qualification may be performed on production work.
在符合QW-304要求的前提下,可以在生产工作期间进行资质更新。
A model for the number of QW SOAs in series with variable optical attenuation is developed and matched to the experimental data.
提出了具有可变光衰减的串联量子阱半导体光放大器的数字模型并与实验数据相匹配。
The 1.55 mm strained QW lasers and modulators are optimized and designed by using the design system, and the good results are presented.
用该系统优化设计了1.5微米应变量子阱激光器与调制器,取得很好结果。
Via variant of displacement harmonic oscillation, the exact electronic states in the semi-parabolic QW with an applied electric field are obtained.
通过位移谐振子变换,得到了系统中的电子态的精确解。
QW series submersible sewage pump is mainly used in municipal engineering, and industry and agriculture, hospitals, building, hotel, restaurant, etc.
QW系列潜水排污泵主要用于市政工程、工农业、医院、建筑、宾馆、饭店等行业。
Slow and fast light in quantum-well (QW) and quantum-dot (QD) semiconductor optical amplifiers (SOAs) using nonlinear quantum optical effects are presented.
利用非线性量子光学效应在量子阱(QW)、量子点(QD)半导体光放大器(SOA)中得到了慢光和快光。
A simple equivalent circuit model of quantum well laser (QW LD) which is derived by QW rate equations and is accomplished in the circuit simulation program SPICE.
给出一个新的量子阱激光器等效电路模型,由量子阱激光器单模速率方程推导得到并在电路模拟程序SPICE中完成。
Firstly, the bulk longitudinal optical (LO) modes and the interface optical (IO) modes in the QD-QW structures are investigated within the framework of continue medium.
首先,我们利用连续介质模型讨论了该结构中的体纵光学模和界面光学模。
Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.
如需重新获得资质,则该焊工需要遵照QW- 301和QW - 302的要求,在一个板材附件试片,或一个管材附件试片上,进行焊接试验。
Although small QW has smaller optical confinement factor and smaller ratio of carriers injected into QW, it can provide higher mode gain because of its smaller mixing between valence bands.
小阱宽的量子阱虽然光学限制因子和载流子注入比例都较小,但由于其价带耦合小于宽量子阱,从而具有高的模式增益,说明量子阱的能带结构对其光学特性有决定性的作用。
Although small QW has smaller optical confinement factor and smaller ratio of carriers injected into QW, it can provide higher mode gain because of its smaller mixing between valence bands.
小阱宽的量子阱虽然光学限制因子和载流子注入比例都较小,但由于其价带耦合小于宽量子阱,从而具有高的模式增益,说明量子阱的能带结构对其光学特性有决定性的作用。
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