optical density

1. The Analysis of Relationship between Macular Pigment Optical Density Early and Aged-related Macular Degeneration
   黄斑色素密度与早期老年性黄斑变性的相关性分析
2. Quantitative analysis of micrographs using integration of mean optical density and total per area
   整合平均光密度和面积比两种参数用于显微图像定量分析的初步研究
3. Methods and Uncertainty Evaluation on Optical Density of Laser Safety Glasses
   激光防护镜光密度测量方法及其不确定度评定
4. Optical density The results showed that the analytical precision and accuracy of the method were better than those obtained with the conventional method for low absorbance samples.
   光密度，表示光学玻璃或器材对蓝、绿及红色光的吸收程度结果表明，对于低吸光度样品的测定，该法较普通分光光度法准确。
5. Fig.7 quantitative analysis of the change in the optical density along a straight line within the dense-core of the LDCV in the nerve terminal of monkey spinal cord.
   图7定量分析猴脊髓后角内神经终末中大致密芯泡泡芯内沿直线的光密度变化。
6. Relationship between the Optical Density of X-Ray Film and Gray Scale of Image
   X线照片密度与图像灰度之间的关系
7. Macular pigment optical density: its relationship to vernier acuity
   正常人眼黄斑色素密度与游标视力的关联研究
8. Measuring the optical density of a substance by shining light on it and measuring its transmission.
   测量阳光照射的物体的光密以及它的传送。
9. Photodynamic Therapy on Ocular fundus of Different Color Rabbits Macular pigment optical density: its relationship to vernier acuity
   不同色素兔眼底对光动力治疗反应的实验研究正常人眼黄斑色素密度与游标视力的关联研究
10. Result: XST injection could reduced nerve cell apoptosis, and the intergral optical density of the apoptotic.
    结果：血塞通能明显降低神经细胞凋亡百分率，降低凋亡神经细胞积分光密度，减轻病理损害。
11. Optical density ultrascan laser densitometer
    超精度扫描激光密度计
12. ASTM E662 Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials.
    ASTME662由固体材料产生烟雾的比光密度的测试方法。
13. The duration of PAE was determined by the optical density method.
    应用光密度法测定抗生素后效应。
14. This increased optical density caused by a disassociation or melting of the DNA is called hyperchromicity.
    这种由于DNA离解或融解引起的光密度增加，称之为增色效应。
15. The composite still remains good mechanical properties, very low specific optical density and toxic gases generation during burning, but the thermal-resistant decreased.
    其复合材料仍保持较好的力学性能，很低的烟密度和毒性气体产量，但耐热性略有下降。
16. Immunohistochemical staining and image analysis were used to detect the number of the positive neurons and the mean optical density and the percentages of SP positive cells in the DRG.
    免疫组织化学方法结合图像分析检测各组脊神经节SP的阳性神经元数和平均光密度，并计算阳性细胞百分率。
17. A study of the relationship between macular pigment optical density and contrast sensitivity function;
    目的研究黄斑色素密度与游标视力之间的关系，探讨黄斑色素对视功能的影响。
18. The most frequently used method of paper formation evaluation is by formation index, or coefficient of variation ( COV) of mass or optical density variation of the paper.
    纸张交纤的评估使用最多的方法是应用纸张质量或光学密度的变异系数，即一般所谓交织指数。
19. Optical density of smoke
    烟的密度的阻光度的量度
20. And the number, area, circumference and integral optical density of cells were also detected.
    并测定其细胞数、面积、周长、积分光密度。
21. Optical density monitoring and cell viability assay demonstrated that histatins inhibit and kill Candida albicans blastospore.
    光密度监测和细胞活力分析证明富组蛋白能抑制或杀灭白色念珠菌芽生孢子。
22. The real area value of wear particles was used to replace optical density.
    用大小磨粒的真实面积和替代了光密度值。
23. As the silica gel can deepen the color of the test solution, the optical density is increased.
    由于硅胶能加深试验溶液的颜色，引起光密度增加。
24. The rule of which process parameter influences coating uniformity of holographic coating was studied. Optical density change of coating film and the method for evaluating coating non-uniformity quantitatively were given, which supply theoretic evidence for optimization design of holographic coating process parameter.
    研究了工艺参数对全息涂料涂布均匀性的影响规律，给出了涂膜光学密度变化的数学表达式，以及定量评价涂布不均匀度的方法，为涂布工艺参数的优化设计，提供了理论依据。
25. 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。
26. This paper presented a new non-contact method to meter CO concentration and smoke optical density simultaneously and online based on photoacoustic technology.
    本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。
27. The optical density of the solution was estimated with a type-72 spectrophotometer, and.
    溶液的光密度的测定用72型分光光度计；
28. 11 fall dormancy rate of alfalfa leaf photosynthetic pigments have the same absorption spectrum and different photosynthetic pigment optical density analysis can be used the same method.
    研究表明，秋季11个秋眠等级苜蓿具有相同的叶片光合色素吸收光谱，都在440nm和663nm有一个吸收高峰，不同秋眠级苜蓿的光合色素光密度分析可采用相同的方法。
29. The change in optical density is studied, based on the inelastic ionization damage model. And the radiation damage effects of quartz glass under the irradiation of charged particles are investigated.
    以非弹性电离损伤的物理模型为基础，研究带电粒子辐照下石英玻璃光密度的变化和石英玻璃低能带电粒子辐照损伤状况，应用该模型对已有试验数据进行理论模拟分析。
30. Algae biomass was determined by optical density method and chlorophyll a method.
    水藻生物量的测定采用光密度法和叶绿素a法。

noun

1. (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation

   Synonym:    transmission densityphotographic densityabsorbance