这一不透气的壳层(或边界层)会阻滞水分自由扩散，这种情形称为表面硬化。
This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
目的研究肌萎缩侧索硬化症(ALS)患者非锥体束区域磁共振扩散张量成像(dti)的特点。
Objective Investigate MR resonance diffusion tensor im-aging (DTI) characteristics of non-pyramid tracts in the patients with amyotrophic lateral sclerosis (ALS).
目的探讨SENSE技术支持下磁共振扩散成像adc值在诊断肝硬化和肝癌中的应用价值。
Objective to evaluate the diagnostic value of apparent diffusion coefficient (ADC) values in liver cirrhosis and hepatocellular carcinoma by using SENSE technique.
目的研究肝硬化扩散加权成像adc值的变化、机制及其病理基础。
Objective To investigate the change and mechanism of ADC value in cirrhotic liver and its pathological basis.
目的研究肝硬化扩散加权成像adc值的变化、机制及其病理基础。
Objective To investigate the change and mechanism of ADC value in cirrhotic liver and its pathological basis.
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