信号强度比；
We take into account the change of the signal gain with the different beam intensity ratio.
考虑了不同光强比下的信号光增益的变化。
Organelle-cell fluorescence intensity ratio analysis was adopted to study the intracellular distribution of HMME.
采用细胞器-细胞荧光强度比值法，对HMME进行单细胞内分布的定性与定量研究。
The formula and criterion of the Strehl intensity ratio consisting of the aberration and roughness are developed.
建立了兼含粗糙度与波面像差影响的中心点亮度比公式及其像质评价准则。
The experimental results show that the decrease of the intensity ratio of writing to gating beam and the increase of the gating...
而增大记录光与门光束的光强比，可以提高双色记录灵敏度。
The optical parameters of grating and intensity ratio among three beams in interferometer are derived from the view of optimization design.
从优化设计的角度求出了光栅的最佳参数以及干涉仪三束光的最佳光强之比；
When the intensity ratio of PV soliton is smaller, the full width of half maximum (FWHM) of PV solitons decreases monotonically to a constant value;
当光伏孤子强度比值较小时，孤子的半高宽度随着时间单调递减达到一个稳定常数；
Using fluorescence intensity ratio method of analysis, detection of wide variety, wide measuring range, fast analysis speed, less sample consumption.
采用荧光强度比率分析方法，检测品种广，量程宽，分析速度快，样品耗量少。
After enhanced, the signal intensity ratio of the infarcted myocardium was significantly higher than both that before enhancement and that of the normal.
增强后梗塞心肌信号率既高于增强前也明显高于其周围的正常心肌。
In all lesions, the signal intensity ratio was generally lower on exponential diffusion coefficient images compared with that on diffusion-weighted images.
所有病灶在指数扩散系数像上的信号强度比率要比扩散加权像减低。
Moreover, we find that the formation time of screening solitons decreases with increasing amplitude, while the PV soliton's is relative to the intensity ratio.
另外发现稳态屏蔽孤子的形成时间随着振幅的增加而减少，而开路光伏孤子的时间行为与孤子峰值强度与暗辐照的比值有关。
The signal to noise ratio (SNR) of tumors, contrast to noise ratio (CNR) and signal intensity ratio (SIR) of tumors and normal liver were calculated and analyzed.
计算不同图像中肿瘤信噪比（SNR）、肿瘤与肝脏对比噪声比（CNR）及信号强度比（SIR）等数据，并进行统计学分析。
Optical temperature sensor, especially these based on the fluorescence intensity ratio (FIR) technology, has been widely used in the fields of temperature measurement.
光学温度传感器在温度测量等领域已经得到了广泛应用，特别是采用荧光强度比（FIR）技术进行测温。
General expressions of intensity ratio of light in ring and output port were deduced according to multiple-beam interference, and optimum resonance condition was given.
从多光束干涉的基本原理出发，推导了集成光波导陀螺谐振腔一般谐振过程中，谐振环光强和输出光强表达式。
Microwave emission lines with anomalous intensity ratio would be produced when the relativistic electrons move through a, molecular cloud with a certain population inversion.
相对论电子在某种粒子数反转布居的分子云中穿行时，可以产生具有反常强度比的微波发射谱线。
When using the instantaneous intensity ratio method, the event of first arrival curve becomes more smooth, and abnormal points have greatly reduced, thus the accuracy of picking is greatly enhanced.
而采用瞬时强度比法后，初至曲线的同向轴变得更加光滑，拾取异常点的情况大为减少，从而有效的提高拾取的精度。
The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
飞机的长度和最大横截面面积之比也会影响音爆的强度。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通过测量后向反射波与入射波的强度比，可以确定介质的三阶极化率。
The application of this system reduce handlers work intensity, and remarkably reduce reject ratio and returning rate, and enhance welding productivity.
系统的应用，降低了操作者劳动强度，显著降低了废品率和返修率，提高了焊接生产率。
The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light .
分子的消光系数等于入射光和透射光强度对数的比。
As an advanced conformal therapy, Intensity-modulated radiotherapy (IMRT) can increase the gain ratio of radiotherapy and improve the local control of the tumor.
调强放疗(IMRT)是一种先进的适形放射治疗方法，能提高放射治疗的治疗增益比，促进肿瘤的局部控制。
The ratio of the UV PL intensity to the visible PL intensity is 54, indicating the high quality of ZnO quantum dot was acquired.
光致发光谱中紫外发射峰积分强度和可见发射峰的积分强度比达到54，表明得到了较高质量的氧化锌量子点。
We also measured the dependence of fragmental ratio of each ions on laser intensity and laser power index of total ions.
实验还测得了各产物离子信号分支比对激光强度的依赖性和总离子信号的光强指数。
The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
用热表面离子源测定了锂同位素丰度，在样品全耗尽过程中累计离子流强度。
The intensity of normal concrete is linear relationship with the size of water cement ratio.
普通混凝土的强度与水灰比的大小成线性关系。
Commercial and service buildings occupy less land, but feature higher intensity, with floor area ratio below 1.0, and building density limited withing 35%.
商业和服务业的建筑占地较小，使用强度较高，容积率控制在1.0以下，建筑密度控制在35%以内。
Commercial and service buildings occupy less land, but feature higher intensity, with floor area ratio below 1.0, and building density limited withing 35%.
商业和服务业的建筑占地较小，使用强度较高，容积率控制在1.0以下，建筑密度控制在35%以内。
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