查询词典 optical density

The analytic expression of optical rectification coefficient of this system is derived by means of density matrix approach and the iterative method.

用量子力学中密度矩阵算符理论导出了加偏置电场的双曲线量子阱中光整流系数的解析表达式。

Furthermore, The frequency-domain relationship between the electric flux density and the electric field is managed with the Z transform, which is of frequent use for digital filtering and signal processing. The optical pulse propagating in nonlinear and dispersive media is analyzed with Z transform, which is simpler than with auxiliary differential equation method.

同时利用数字滤波和信号处理中经常使用的Z变换来处理D和E间的频域关系，并具体分析了如何用Z变换法来处理非线性色散问题，此方法与辅助差分法相比要较为简单明了。

The function of black matrix used in color filter is to avoid color interference. The usual needs for BM pattern are high light optical density and fine line width.

中文摘要黑色矩阵的目的是要防止色纯度的低下，因此BM须达到高遮光性和pattern 的高细线化，目前BM的材料以金属Cr 为主。

Electronic structure and optical properties of zinc blende CdSe have been investigated using the plane waves ultrasoft pseudopotential technique based on the density functional theory.

采用基于密度泛函理论框架下广义梯度近似平面波超软赝势法，计算了闪锌矿型CdSe的电子结构和光学性质。

QTY06 significantly decreased MUC5ac expression in trachea and bronchiole epithelium, and reduced the optical density and mucins area as detected by image analysis in rats with chronic airway inflammation.

QTY06使气管和细支气管上皮内黏蛋白MUC5ac表达的阳性染色区域和程度明显减轻，通过图像分析系统测得的光密度值和黏蛋白面积%均明显低于模型组。

Inflammatory cell infiltration and bronchiolitis severity were significantly reduced ofter administration of E. globulus oil. Especially in 300 mg·kg -1 treated rats,there were significant decreases of mucin content in BALF and MUC5ac expression in trachea and bronchiole epithelium. Optical density and mucins area% detected by image analysis system were apparently lower than those in model group. Conclusion: E.

各给药组经不同浓度蓝桉油灌胃后能减少中性粒细胞及淋巴细胞的浸润，降低炎症程度；尤其是蓝桉油高剂量组(300 mg·kg-1)，能明显减少灌洗液中黏蛋白含量，使气管和细支气管上皮内黏蛋白MUC5ac表达的阳性染色区域和程度明显减轻，通过图像分析系统测得的吸光度值和黏蛋白面积%均明显低于模型组。

Methods this experiment chose seven parameter of cell nuclear, including the area and integral optical density, determined the changes of DNA content in the kidney cellule of 15 rats at different intervals between 0 and 48h postmortem with auto-TV-image system.

方法应用电脑图像分析技术，测定了15只大鼠在死后48h内不同时间点大鼠肾细胞核DNA含量的面积、等效直径（Mean－Dia，MD）、异形指数（Indexofdensity，ID）、平均光度（Average optical density，AOD）、积分光度（Integral optical density，IOD）、密度变化数（L－Den－Coe，LDC）和平均灰度（Averagegray，AG）等七项参数的变化值。

The immunohistochemical staining, cell-size frequency analysis and the survey of average optical density value were used to observe the changes of TRPV1 expression in the neurons of the trigeminal ganglion, peripheral nerve fibers in the vibrissal pad, and central projection processes in the trigeminal sensory nuclei caudalis on day 3, 5, 7, 14, and 21 after TO injection.

应用免疫组织化学染色，细胞大小频率分析和平均光密度值分析来研究面部炎症痛后第3、5、7、14、21天支配大鼠面部表皮区三叉神经节(trigeminal ganglion，TG)初级感觉神经元、触须部皮肤末梢神经纤维和投射至三叉神经感觉尾侧亚核(trigeminal sensory nuclei caudalis， Vc)中枢突TRPV1表达的改变。

The average optical density of cfos in cochlea was measured with computer image analysis system.

用免疫组织化学染色分析cfos基因在耳蜗的表达情况，用计算机图像分析系统测量耳蜗cfos蛋白的平均吸光度值。

The key components in laser gyro is He-Ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the Lamb half classical theory, and on the base of density matrix theory, the optical Brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter-propagating wave. On the basis of this equations, adopted the simulation software MATLAB and virtual instrument programming language LabWindows/CVI, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock-in of frequency and the characteristic of light intensity and phasic of the counter-propagating wave in laser gyro.

激光陀螺的核心部件为He-Ne环形激光器，而掌握光与介质的相互作用理论是研究激光器的关键，采用拉姆半经典理论为主，在密度矩阵理论的基础上，推导环形谐振腔中描述He-Ne气体增益介质原子运动的光学布洛赫方程，运用介质极化理论得出描述激光陀螺反向行波的光强、位相所满足的自洽场方程组，在此基础上，运用MATLAB仿真软件和虚拟仪器编程语言LabWindows/CVI，对激光陀螺中的介质增益色散特性、频率牵引效应、烧孔效应及模竞争、闭锁效应及环激光的光强和相位特性进行仿真试验研究，并且运用全量子理论，对激光工作原理进行分析，得出二能级系统单模辐射场的光子数密度分布，得出激光场的光子统计分布，仿真激光场的动态建立过程。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。