查询词典 optical density

This project focuses on the joint time frequency characteristics of different phenomena in different types of fire disaster, such as pool fires, boilover, smoke movement, and different classes of fire. The temperature, optical density, heat radiation, combustion noise, and velocity of thermal flow are analyzed by joint time frequency method.

本项目研究中针对各种火灾场景：如油池火焰在水雾、风作用下的变化、扬沸过程中诸参数的变化、烟气运动过程、各类火焰等进行了实验与分析，对实验中的温度、火焰消光度、热辐射、燃烧噪声、速度分布等参数进行了联合时频域的分析。

Methods: Integrated optical density was measured by ABC immuno-histochemical and in situ hybridization technique with computerized image processing. The rat′s brain was coronally sectioned after combination of EA and MEL.

采用ABC免疫组织化学和原位杂交组织化学技术，结合计算机图像处理，测定其积分光密度值。

Methods The macular pigment optical density was measured in the right eye of 116 adult subjects with heterochromatic flicker photometry.

采用异色闪烁光度仪对116例正常成年人右眼进行黄斑色素密度测量。

Seven morphological parameters of hair were observed on the lanugo of a roe deer fetus 10 to 15 days before birth by linear eyepiece micrometer and optical microscope, which include hair density, hair length, medulla length, hair diameter, medulla diameter, scale pattern, and medullar pattern. Results indicate that the development of lanugo expresses temporal and spatial sequence, namely, hair occurs from head to tail.

利用线性目微尺和光学显微镜测量比较了距出生还有10~15d的狍颈部、背部、腹部、臀部、后肢上部的胎毛密度、毛长度、髓质长度、毛细度、髓质细度，并对鳞片和髓质形态进行了观察，发现狍胎毛的发生具有时间和空间上的顺序性，即毛的发生从头颈部向体后扩展。

Rats 20 days after birth the TGF-βexpression in the metaphysis:positive signals in cells,dark blue,located in cytoplasm;positive expression intensity of the use of quantitative analysis of optical density.

仔鼠生后20天时TGF-β在干骺端的表达：阳性信号的细胞呈深蓝色，定位于细胞浆；阳性表达强度采用平均光度进行定量分析。

The nonlinear optical properties of one-dimension nonsymmetrical D-π-A charge-transfer molecule VPDB in gas phase and different solvents have been studied on the base of time dependent density functional theory.

首先在密度泛函理论基础上优化了气相下该分子体系的几何结构；考虑溶剂效应时采用了极化连续模型，在密度泛函理论基础上采用极化连续模型优化了分子在不同溶剂中的几何结构。

Of the recording media using scanning probe microscope, including scanning tunneling microscope, atomic force microscope, scanning near-field optical microscopy, etc., nanometer-scale data storge can be successfully achieved, and this technology has been considered as one of the best way to promote the storage density.

扫描探针显微技术通过改变材料的光、电、磁等局域特性可以实现纳米尺度的信息存储，成为提高信息存储密度的最有效手段之一。

Data were analyzed from photographs from optical microscopy and Computer Image Analysis.Results:Gene expression level of bcl-2mRNA (numeric density and concentration of bcl-2 immunopositive neurons) in layer Ⅲ of the ipsilateral visual cortex area 17 and the laminas receiving ipsilateral geniculate input from the strabismic and deprived eyes are significantly lower than the input from the untreated eyes.

MS1和MD1组幼猫实验眼同侧视皮质17区Ⅳ层及同侧外侧膝状体Al层神经元在视觉发育敏感期内，由于长期的斜视及形觉剥夺效应以致功能低下，对Bcl-2调节的敏感性降低，以及对NTs的营养保护及上调Bcl-2 mRNA表达水平应答能力降低，在双眼竞争的神经元发育及突触连接中处于劣势，使对侧眼形成优势循环。

The optical density value of cells was detected by MTT colorimetric method, content of MDA and NO in the supernatant fluid of cultured cells was detected by spectrophotometer, and the transudatory content of LDH was detected by automatic biochemistry analyzer.

用MTT法检测细胞吸光度值，利用分光光度计分别测量细胞上清液中的MDA和NO含量。用自动生化分析仪测定培养液中LDH漏出量。

Methods 100 mg of muscle of rat corpse was preprocessed before trimethylamine was extracted with anhydro-methylbenzene, then trinitrophenol was added into extracts, and yellow compounds emerged. The optical density was detected by spectrophotometer at 410 nm and the concentration of TMA-N was calculated using the standard curve. Results There was good linear correlation (R^2=0.9991, P.001) between OD and the concentration of TMA-N in the range of 1~10 mg/L.

大鼠肌肉组织样本100 mg经预处理后，将三甲胺抽提于无水甲苯中，与苦味酸作用，形成黄色的苦味酸三甲胺盐，用分光光度计在410 nm处检测吸光度，标准曲线法计算TMA-N含量。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。