Current-induced Changes on Absorption Coefficient and Refractive Index at Linearly Polarized Light in Undoped Thin GaAs Layer Grown by MOVPE

Both the sign and magnitude of the total nonlinear absorption and nonlinear refractive index can be deduced.

通过这种技术我们既可以得到非线性吸收系数以及非线性折射率的符号又可以同时得到其数值大小。

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Absorption spectra and refractive index of Polyaniline

聚苯胺的吸收光谱和折射率

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The test shows: the concrete strength reduces with heated temperature increases, the specific water absorption and crushing index of broken aggregate are remarkably influenced by its inside defects, heated temperature and grain size.

试验结果表明，混凝土强度随作用温度的升高而下降，破碎后骨料的吸水率和压碎指标受内部缺陷、作用温度和粒径大小的影响较为显著。

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We create a simple two-level structure model. We use the density matrix method to calculate the first-order and third-order absorption and refractive index of the InGaAs/ InGaAsP quantum dot.

基于我们建立的简单二能级结构模型，采用密度矩阵方法计算了InGaAs/InGaAsP量子点的一阶和三阶吸收系数和折射率。

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The non absorption high refractive index can be obtained by adjusting the detuning of the probe field.

调整探测场的失谐可以获得无吸收高折射率；

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However, after the combined treatment with α D 3 and exercise, the BMD at both the lumbar vertebra and the hip increased significantly, the level of osseous formation index BGP increased greatly and the osseous absorption index PYD/ Cr decreased.

而联合治疗使腰椎和髋部的BMD均明显增加，并且骨形成指标BGP水平明显升高，骨吸收指标Pyd/Cr明显下降。

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The level osseous formation index BGP increased greatly and the osseous absorption index PYD/ Cr decreased at month 3. These changes were sustained until month 12, however no significant changes were observed in bone metabolic markers level in control group.

同时运动组在治疗后3个月时骨形成指标BGP上升，骨吸收指标U-Pyd/Cr下降，并且该变化一直持续到试验结束；

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The pri-mary bioassay results showed that compounds 4c, 5a, 5b and 5c exhibited control efficacy of more than 90% against Abutilon avicennae, Portulaca oleracea, and Amaranthus spinosus at 75 g/ hm2.

初步生物活性测试表明：化合物4c，5a，5b，5c在有效成分75g/hm2剂量下对苘麻、马刺苋、凹头苋等双子叶杂草表现出90%以上的防效。

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A novel structure with multi-neural-networks is proposed in this paper in order to derive both high accurate compensation and nonlinear adjustment for cold-side-offset.

该文采用多个神经网络组成一个新结构，同时完成高精度非线性校正和冷端补偿。

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The accurate orientation, adjustment of psychology in employment, change of employment concepts of college students are the key to the solution and remission of the difficulty in employment.

大学毕业生准确定位、调整就业心态、改变就业观念是缓解和解决就业难现象的关键。

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Accurate Control of Adjustment System on Rolling Line of Cold Rolling Mill

冷轧机轧制线调整系统的精确控制

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With reference to the clock difference from Circular T of BIPM, a comparison between data before and after adjustment shows that common-view in near real-time is more accurate after adjustment.

以NTSC、CRL和KRIS3站比对为例，以根据BIPM T公报得到的钟差为标准，对间接观测平差处理前后的数据比较表明，近实时比对精度可进一步提高。

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Because of this situation, this paper studies and designs emphatically a phase device, in order to realize the accurate phase adjustment of the friction welding.

基于这一现状，本文着重研究和设计一种定相位装置，以实现摩擦焊的精确定位。

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And the rotating mirror requires not only accurate speed adjustment, but also the control of the speed-time curve.

而转镜高速相机不但要求其转镜驱动电机有较高的调速精度，还对整个转速&时间曲线提出了要求。

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Specially set structure to fit the cutting knife and cutting height, contributing to simple and accurate travel adjustment.

特有的设定构造，配合裁断刀及裁断高度，使行程调整简单，准确。

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As the method of high accurate grating adjustment is used, this method has many advantages to the pure mechanical one.

由于采用高灵敏度基准光栅调节的方法，比螺旋测微器等纯机械方法具有众多优越性。

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Accurate Measurement Adjustment Technology of Boiler Ceiling Rigid Suspension Hangers

锅炉炉顶刚性吊架精确测量调整技术

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Adopting uniaxial adjusted cylinder for fast and accurate volume adjustment.

采用单轴调节汽缸，能迅速精确调节所需之容量。

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Therefore visual focusing cannot be accurate without adjustment.

如不调整，视力对焦就不可能精确对焦。

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According to the synchronous signal of the measuring and control information, using high-precision timer on information measuring and control card, the accurate adjustment of exposure time is carried out through correction of exposure signal of the camera by software with video sampling card.

根据测控信息同步信号及其对视频采集时刻的规定，以测控信息采集卡上高精度定时器为时钟，由视频采集卡通过软件修正摄像机曝光信号，实现对曝光时刻的精密调节。

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