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In comparison with the switches based on other polytypes of SiC, the design benefits from having fewer lattice mismatches between the SiCGe and 3C-SiC. A maximum common emitter current gain of about 890 and superb light-activation characteristics may be achievable. The performance simulation demonstrates that the device has a good I-V characteristic with a turn-on voltage knee of about 4V.

结果表明，与采用其他结晶类型的碳化硅衬底相比，SiCGe与3C-SiC间较小的晶格失配有利于提高器件性能，可使其最大共射极电流增益达到890，获得最好的光触发特性和较好的I-V特性，饱和压降大约为4V。

The organic EL device adopts the compound having the formula (1) for its organic layer, for example, the emitter layer, which results in improved emission efficiency and luminance, compared to common blue light-emitting compounds.

该有机电致发光装置采用通式（1）的化合物用于其有机层，例如发射层，结果，与普通蓝光发射化合物相比，改善了发射效率和亮度。

Conformal transformation method is firstly used to investigate themisalignment impacts on emission properties of the emitter.

首次采用变换方法讨论了环形边缘发射体偏心对发射的影响，计算的结果表明少量的偏心对发射影响不明显，随着偏心量增大发射体的场强明显增强。

Triggering off the free oscillation of the reinforced bar by amplifying the triggering signal of the piezoelectric ceramic sensor by the emitter coupled oscillation circuit , we have measured the oscillation frequency of various reinforced bars, and then we can calculate the magnitude of the corresponding pre stressing force accor.

论述了振动法测量钢筋的预应力的新方法，振动触及压电陶瓷传感器产生的电信号，通过双稳态触发振荡电路，经放大后启动钢筋自由振动。根据弦线振动频率和所受张力之间的关系，测量出不同型号不同长度的各类钢筋的频率，从而得出对应钢筋的预应

It is shown that the maximum controllable current depends on the design of the current gain and emitter-shorted current.

结果表明，耦合晶体管电流放大系数及晶闸管射极短路电流的设计决定了器件的最大可关断电流。

From our measurement data, we find that the current gain is influenced by emitter size effect.

依量测结果可知，电流增益会受到射极尺吋效应的影响。

As for light emission from semiconductor NWs or NTs or NCs, an accurate and efficient method is proposed to simulate light emission of an emitter in a general cylindrically multilayered nanostructure.

在一维半导体纳米结构光辐射器件方面，包括半导体纳米线、纳米管和纳米同轴线等，我们提出适用于柱坐标系下多层同轴结构光辐射的精确高效的电磁理论分析模型。

This design uses the monolithic integrated circuit to control 8 groups signals the sampling as well as the read-write process, uses the monolithic integrated circuit stored datum, uses the monolithic integrated circuit AT89S52 readout, through application software, 8 group signal demonstrations on hypothesized , and uses the light emitter diode demonstration.

本设计采用单片机控制8路信号的采样以及读写过程，采用单片机存储数据，采用单片机AT89S52读出数据，通过应用软件，将8路信号显示在虚拟示波器上，并且用发光二极管显示。

This design uses the monolithic integrated circuit to control 8 groups signals the sampling as well as the read-write process, uses the monolithic integrated circuit stored datum, uses the monolithic integrated circuit AT89S52 readout, through application software, 8 group signal demonstrations on hypothesized oscilloscope, and uses the light emitter diode demonstration.

本设计采用单片机控制8路信号的采样以及读写过程，采用单片机存储数据，采用单片机AT89S52读出数据，通过应用软件，将8路信号显示在虚拟示波器上，并且用发光二极管显示。

This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV （ particle Tracking Velocimetry ） technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.

本文以齿形流道、梯形流道为主要研究对象，以流道转角、流道高，流道宽、偏差量及梯形流道上底宽为主要结构参数，首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟，分析了不同结构参数对流态指数和流量系数的影响，其次，应用 CFD 两相流（含沙量为1%）数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响，然后，应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度，分析了影响固体颗粒运动特性及流道内流体流态的基本因素，最后，对上述流道结构形式通过模具加工及滴灌带试制，进行了标准化测试（ GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序），测试结果验证了 CFD 模拟结果，并提出了迷宫结构流道灌水器的抗堵塞设计方法。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失