radiation contrast
英 [ˌreɪdiˈeɪʃn ˈkɒntrɑːst]
美 [ˌreɪdiˈeɪʃn ˈkɑːntræst]
网络 辐射对比
双语例句
- The more strong the material absorbed radiation is, the bigger the thickness the materials are and the more severe the reduction of the contrast ratio of images are. The results show that, with rise of the applied load and sliding speed, the friction coefficient decreases.
材料对射线的吸收越强、材料越厚，则图像对比度的降低越明显。温度对准晶材料表面的摩擦系数影响明显比其他因素大，温度的增加明显提高地表面摩擦系数。 - However, it is important to confirm this finding given the radiation and contrast risks associated with CT, they add.
但是本文作者认为，肯定之一发现的时候，因该将辐射和对比剂的风险考虑进去。 - Hard, strong metals require a lower cutting speed than soft and ductile materials. the more strong the material absorbed radiation is, the bigger the thickness the materials are and the more severe the reduction of the contrast ratio of images are.
硬度高而强度大的金属要求的切削速度比硬度小而韧性好的材料低。材料对射线的吸收越强、材料越厚，则图像对比度的降低越明显。 - Enhanced ultraviolet radiation increased the content of dissolve protein and ascorbic acid in leaves, but dissolve protein and ascorbic acid became lower than that of the contrast when ultraviolet radiation exceeded to a certain extent.
UV-B辐射增强，菠菜叶片的蛋白质和抗坏血酸表现为质量分数升高，但当UV-B辐射超过一定强度，二者又表现为低于对照。 - To track and guidance with microwave radiation measuring, the basic measure parameter is antenna temperature contrast.
采用微波辐射测量技术进行跟踪和制导，其基本的可测参数是天线温度对比度△TA。 - Radiation image contrast enhancement based on genetic algorithm
基于遗传算法的辐射图像对比度增强 - Digital CR medicine radiation image is high in doctor's favor and has become medicine imaging technology new hotspot because of its high gray contrast 、 powerful computer disposal function 、 little radiation dosage 、 non-film diagnosis 、 different area consultation.
数字CR医学放射图像以其高灰阶分辨率、强大的计算机图像后处理功能、小辐射剂量、无胶片诊断、异地会诊等优势，深受放射医生的青睐，已成为医学成像技术新的热点。 - The characteristic of digital CR ( computed radiography) medicine radiation image has wide dynamic range 、 abundant detail and bad contrast, so it is necessary to enhance CR image to improve its visual quality.
数字CR（computedradiography）医学放射图像动态范围宽、细节丰富、对比度差，只有对其进行增强处理才能满足医生临床诊断的需要。 - In this paper, the influences of urban aerosols on radiation are carried out by using the data of radiation and in the temperature profiles simultaneously measured in winter both in Lanzhou city and in the contrast site around the city.
本文利用冬季观测的兰州市区、邻近山顶以及郊区皋兰县的辐射资料和温度廓线资料，分析了兰州城市气溶胶对太阳辐射影响； - Based on the microwave radiation theory, this paper discusses the theory calculating model about antenna temperature contrast between motional metal target and its backgrounds, provides an effective method to recognize microwave radiation image and to measure the motional target.
根据微波辐射理论，讨论了运动的金属目标与背景的天线温度对比度的理论计算模型，为微波辐射图象的识别及运动目标的检测提供了一种有效的方法。 - Analysis on radiation contrast of IR small target and background
红外小目标与背景辐射对比度的研究 - Influence of Scattered Radiation on Contrast Sensitivity in Radiography
散射射线对照相系统反差灵敏度的影响 - After the BLEVE accidents, the main harm comes from the radiation made by the explosion, and the harm caused by shock waves is relatively small by contrast.
BLEVE事故发生后，主要危害来自于爆炸产生的火球的热辐射，爆炸产生的冲击波超压危害相对较小。 - Scatter radiation is a major reason of image degradation in digital radiography, the degradation can be characterized by a loss of contrast and an increase in noise.
在数字X线摄影中，散射线造成了图像对比度的损失、噪声的增加，是使图像质量恶化的主要原因。 - Objective To study the methodology of X-ray phase contrast imaging using synchrotron radiation, and evaluate the quality of phase contrast images.
目的研究同步辐射光源X射线位相对比成像的方法，并观察其图像特点，分析其图像质量。 - OCT has many advantages over other existing medical modalities, including use of non ionizing radiation, display of contrast between soft tissues and disclosure of functional information.
光学成像法与现有的辐射成像方法相比具有辐射是非电离的；可以区分软组织； - Due to the radiation difference between the target and background in different wave bands, the contrast of target and background is different, which is one of the main reasons on IR image taking on different characteristics.
目标和背景在不同波段的辐射度不同从而使目标与背景在不同波段的对比度不同，是中波和长波红外图像呈现不同的特点主要因素之一。 - The effects of radiation flux and ground spectral reflectance to low-light-level ( LLL) image contrast are investigated. An image simulation equation involving ICCD synthetic response characteristics is derived.
研究了地面光谱反射特性和光照强度对微光图像对比度的影响，导出了包含ICCD相机综合特性的图像仿真方程。 - Compared with other modalities of medical image, MRI has many advantages, such as with no ionizing radiation, imaging with multiple parameters in arbitrary plane, and providing excellent soft-tissue contrast.
与其他医学成像技术相比，具有无电离辐射损害、多序列多方向多参数成像、软组织结构显像清晰等优点，是医学临床和科研的一种十分重要的检测手段。 - Meanwhile, the ultrasonic radiation force method is used to get the higher adhering efficiency for the targeted micro-bubble contrast agent, which will improve the imaging quality.
同时采用超声辐射力法以增加靶向性微泡造影剂在血管壁上的黏附效率，改善成像的性能。 - Then, based on retinal cortex theory, we can estimate the effective radiation image, and apply it to EPID image enhancement, removing the low contrast brought by too strong or too low X-ray.
然后，基于视网膜皮层理论可有效的估计出照射图像，将其应用于EPID图像增强中，去处X射线过强或过弱带来的对比度过低。