弥散

不同b值在正常人脑弥散加权成像中的应用

Application of Different b Values in Normal Brain Diffusion Weighted Imaging

软组织肿瘤MR弥散加权成像量化研究初探

Preliminary quantitative research of MR diffusion weighted imaging in soft tissue tumors

MR弥散加权成像在颈髓中的应用

The Application of Diffusion-weighted MR Imaging Techniques in Cervical Spinal Cord

结论：3.0TeslaMR弥散成像有助于肝细胞癌、胆管细胞癌和转移瘤的诊断及鉴别。

Conclusion : DWI at 3.0 Tesla MR is conductive to accurate diagnosis of malignant lesions .

弥散MRI诊断颅内表皮样囊肿的价值

The Value of Diffusion-weighted MRI in Diagnosis of Intracranial Epidermoid Cysts

肺功能检查CO弥散量、潮气量和肺总量下降。

Pulmonary function tests CO diffusing capacity , tidal volume and lung volume decreased .

软组织肿瘤的MR弥散成像、MR灌注成像及MR波谱的比较研究

The Comparative Study of MR Diffusion-Weighted Imaging , MR Perfusion-Weighted Imaging and MR Spectroscopy in Diagnosing Soft Tissue Tumors

硝酸盐分解法制备Al2O3弥散强化铜基复合材料的研究

Al_2O_3 Dispersion Strengthened Copper Composite Manufactured by Decomposing of Nitrate

陶瓷颗粒Ti3SiC2-碳纤维弥散强化铜基复合材料组织和性能研究

Microstructure and Properties of Ti_3SiC_2 / Carbon Fibre Dispersion-strengthening / Cu-graphite Composites

HA粒子以弥散状态分布在生物玻璃相中。

The HA particles were diffused in the BG phase .

Al2O3弥散强化铜与T2铜的真空钎焊研究

Study on Vacuum Brazing of Al_2O_3 Dispersion-strengthen Copper and Copper T2

脊髓梗死的弥散加权MRI成像：高分辨率成像和弥散异常的时程

Diffusion-weighted MRI of spinal cord infarction : High resolution imaging and time course of diffusion abnormality

刺激C类纤维后联合间隔分布图趋于弥散，连续短间隔数目减小；

The C-fiber input elicited the dispersed tendency of the distribution of joint ISI and the numbers of continuous short ISI decrease ;

SEM分析显示，反应生成的颗粒细小，且在基体中弥散分布。

SEM analysis indicated that the particles forming were fine and distributed uniform in matrix .

大鼠肝纤维化MR弥散加权成像ADC值与病理评分的相关性研究

Relationship between ADC value of diffusion-weighted MR imaging and pathologic score of liver fibrosis in rats

纳米Y2O3弥散强化Ni基合金激光熔覆层

Nano-Y_2O_3 Dispersion Strengthened Ni-Based Alloy Laser Coating

弥散加权MRI评价经动脉溶栓治疗急性脑梗塞实验研究

Evaluation of Intra arterial Thrombolytic Therapy in Induced Acute Embolic Stroke of Rabbits with Diffusion weighted MR Imaging

弥散CeO2对高温下α－Al2O3氧化膜初期生长的影响

Effect of ceo_2 dispersion on initial stage growth of α - al_2o_3 oxide scale at high temperature

高于γ′相固溶温度热处理时，弥散分布MC型碳氮化合物阻碍晶粒长大；

The dispersed MC-type carbonitrides inhibit grain coarsening during solution treatment above γ′ solvus temperature .

WC对弥散强化铜的性能的影响

Effect of WC on Properties of Dispersion-Strengthened Copper

NiAl弥散增韧Al2O3复相陶瓷

Toughening Al_2O_3 Ceramics by NiAl Particles

闸述采用喷吹弥散法制取Al2O3颗粒增强铸态中锰钢基复合材材。

In this article , spray dispersion method was used to produce as-cast mid-maganese steel matrix composites reinforced with Al_2O_3 particles .

目的：探讨后颅窝出血经脑室系统弥散的CT表现及临床意义。

Objective : To study the CT findings and clinical significance of accumulation of blood in the ventricular system secondary to hemorrhage in the posterior cranial fossa .

结论豆状核信号强度及其ADC值不受弥散梯度方向影响；

Conclusion ADC and signal intensity in lentiform nucleus were not affected by diffusion gradient directions .

引入分子平均弥散空间V′这一物理量，并证明了气体的压强与这一物理量有关。

The average free space of the molecule V ′ is introduced and the fact that gas pressure is related with V ′ .

MRI技术包括常规MRI、磁共振波谱、弥散张量成像和血氧水平依赖成像已经应用于肌萎缩侧索硬化的临床诊断及相关研究。

MRI techniques including conventional MRI , MRS , DTI and BOLD have been applied in the clinical diagnosis and related studies in ALS .

正常人椎间盘MRI弥散张量成像ADC值、FA值与年龄和解剖部位的相关性研究

The Correlation between the MRI-DTI-ADC / FA Value and Age , Anatomic Location of Healthy Volunteers Lumbar Intervertebral Discs

采用较合理的光路，显著地减小N＿2激光光束的弥散损耗，使系统的效率有较大的提高。

The beam diffusion loss of the N_2 laser , used as the pumping source , is cut down greatly , therefore the system efficiency is raised obviously .

挤压态Cu-Al2O3弥散强化铜合金组织结构与强化机制的定量探讨

Microstructure and Strengthening Mechanism of the Al_2O_3 Dispersion Strengthened Copper Alloy as Hot-extrusion

它由细小的α-Ti晶粒组成，其中弥散分布着一些TiC的微小晶粒。

It consisted of α - Ti fine grains with some small TiC grains distributed over it .