光密度

Computer image analysis was used to measure the average optical density of synaptophysin.

方法采用免疫组织化学方法，观察突触素在不同周龄的人胎儿海马中的表达水平，利用计算机图像分析技术测量不同周龄阶段海马突触素表达的平均光密度。

Average optical density of positive cells were deteched. SPSS9.0 software was used to analyze the data.

测定阳性细胞的平均光密度值作为统计参数，利用SPSS9.0统计软件进行统计学处理。

Quality control should include checks on clustering, optical density, sensitivity, and specificity.

质量控制包括检测聚集、光密度、灵敏度和特异性。

MMP25 may play an important role in embryo implantation and placentation.

蜕膜组织中MMP25主要在腺上皮细胞表达，自然流产组的表达微弱，两组平均光密度分别为0.25±0.13和0.21±0.12，差异有统计学意义(P＜0.05)。

Results The expressions of IGF IR protein and mRNA were located on the basal cell layers and prickle cell layers.

结果IGFIR蛋白与mRNA表达在银屑病患者基底层和棘细胞层，IGFIR蛋白与mRNA相对积分光密度值在正常对照组与银屑病组间存在极显著性差异（P＜0.01）。

By analyzing experimental results, a kinetic model for the evolution of color centers in quartz glass irradiated with protons is proposed, and the change in optical density can be given.

根据对试验结果的分析，建立了低能质子辐照下石英玻璃色心演化的动力学模型，并给出了光密度变化的表达式。

PURPOSE. To estimate the distributions in width as well as in density of macular pigment in humans at different ages, imaging fundus reflectometry was employed as a tool to reach our aim.

目的：利用眼底影像反射法来评估不同年龄层的人，其黄斑色素光密度分布的宽度。

Photographic sensitometry, determination of optical density; geometric conditions for reflection density

照相胶片感光度的测定。光密度的测定。反射测量的几何条件

So, these Chinese can decrease the injuty of the inflammation and leucocyte soakage in the ischemia tissue.

栀子苷治疗脑缺血12小时组缺血脑组织HSP70光密度值较缺血12小时模型组无显著性差异（p＞0.05）。

Objective: To determine the numerical value of light dense of sodium salicylate by colorimetric analysis, and calculate its plasma half life.

目的：用比色法测定水杨酸钠的光密度值，并计算血浆半衰期。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。