查询词典 aberrations

Monochromatic optical aberrations and pupil size were measured with a Hartmann-Shack wavefront sensor under monocular viewing conditions, without pharmacological dilation or cycloplegia.

使用Hartmann-Shack波前感受器测量单眼注视下的单色光学像差和瞳孔直径，不使用药物散瞳或麻痹睫状肌。

The study showed that FISH was more sensitive than traditional cytogenetics in detection of chromosome aberrations.

本实验结果表明FISH在检测染色体畸变中比细胞遗传学核型分析方法敏感。

These formulae can be used as an analytic solution for quickly estimating the geometric aberrations of a known deflection system and checking the related computer program.

这些公式不但可用来快速估算偏转象差，还可用来作为校验数字计算程序的理论模型。

The other is to analyze the distortion of cavity mirrors leading to defocus aberrations.

得到了离焦像差与腔长的特性关系和离焦像差与腔镜变形量之间的特性关系。

AIM: To compare the dioptre results obtained by wavefront analyzer and subjective refraction test, respectively, and to evaluate the accuracy and reliability of lowerorder aberrations measured by wavefront analyzer.

目的：比较波前像差仪与主观验光法对屈光度检查的结果，探讨波前像差仪对低阶像差测量的可靠性和准确性。

The analyses of chromosomal aberrations and CBMN are an extremely reliable method in biological dosimetry.

提示染色体畸变和CB微核分析是非常可靠的生物计量估算方法。

Errors in the machining of the objective lens in an electron microscope may result in aberrations which prevent the realization of the theoretically possible resolving power of the instrument.

高分辨本領电子光学仪器要求电子透镜具有理想的旋轉对称性。但是实际的电子透镜存在着非旋轉对称的缺陷；其中极端头的椭圓畸变影响最为严重。

The aim of study was to investigate the importance of chromosome aberration in differential diagnosis of eosinophilia and the chromosomal aberrations involved in patients with clonal eosinophilia. 65 cases of eosinophilia were collected and chromosome specimens of bone marrow cells were prepared by 24hour culture, and Gbanding technique was used for karyotyping.

为探讨染色体异常克隆在嗜酸性粒细胞增多症诊断和鉴别诊断中的意义及克隆性嗜酸性粒细胞增多症涉及的染色体异常，收集了65例嗜酸性粒细胞增多患者的骨髓标本，培养24小时，采用G显带进行核型分析。

The main aberrations of the euchromosomes was chromosome gain, including trisome, tetrasome, and polysome. The gain rates of the four euchromo-some were 84.9%, 77.5%, 63.7% and 83.2%, and the frequencies of polysome for each euchromosome were 24.6%, 34.9%, 23.4% and 31.7%, respectively. Loss of chromosome Y was observed in 61.2% of male patients. The combination of the four chromosome probes 3, 8, 10 and 20 detected 74.5% of ESCC and the combination of 3, 8, 20 and Y detected 85.0%.

发现所测常染色体在食管癌组织中均存在较高的数目畸变率，主要表现为染色体增益，包括三体、四体及多体。4条常染色体3、8、10和20号染色体增益率分别为84.9%、77.5%、63.7%和83.2%，其中多体率各为24.6%、34.9%、23.4%和31.7%。Y染色体在61.2%的男性患者表现缺失。3、8、10和20号探针联合检测食管癌的阳性率为74.5%， 3、8、20和Y染色体探针联合检测男性食管癌的阳性率为85.0%。

But in order to reduce the effects of other aberrations that can be used a smaller field of view.

但为了减小其它像差的影响，可用视场较小。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。