扫描范围

Current laser engraving adopt holophote optical circuit or liberation mirror which have some defects such as engraving small, optical circuit complex, adjust difficult or light spot size asymmetry.

目前的激光雕刻机均使用振镜扫描式和全反射镜式进行工件加工，这种方法存在着雕刻绘图的范围小、光路系统复杂、调节困难、光斑尺寸不均匀等不足。

Current laser engraving adopt holophote optical circuit or libration mirror which have some defects such as engraving small, photic circuit complex, adjust difficult or facula size asymmetry.

目前的激光雕刻机均使用振镜扫描式和全反射镜式进行工件加工，这种方法存在着雕刻绘图的范围小、光路系统复杂、调节困难、光斑尺寸不均匀等不足。

Objective To evaluate CT in assessing invasive range and preoperative staging of the hypopharyngeal carcinoma.

目的探讨CT扫描对下咽癌侵犯范围及其术前分期的价值。

There were 46 cases with SAH, 7 cases with IVA, 9 cases with SDH and 4 cases with ICH.

CT扫描是检查HIE 的主要手段，同时能准确显示病变部位和范围。

Methods ct scan were performed with patients suffered from lumbar or abdominal blunt trauma, and ct findings of 24 patients with renal trauma or companying with adjacent injuried organs were analyzed retrospectively.results according to the ct features of part, range and extent of the injured kinds, the lesions could be divided into 4 types:(1) type ⅰ, simple subpeplos hematoma (4 cases);(2) type ⅱ, renal parenchyma trauma (7 cases);(3) type ⅲ, renal parenchyma accompanying hematoma (8 cases);(4) type ⅳ,broken kidney accompanying perinephric hematoma (5 cases).

对闭合性腰部或腹部创伤患者行ct扫描，分析24例肾脏损伤或合并邻近脏器复合性损伤患者的ct征象。结果：根据肾损伤的部位、范围和程度可将ct表现分为四型：ⅰ型，单纯肾包膜下血肿，4例；ⅱ型，肾实质挫伤，7例；ⅲ型，肾挫裂伤并肾内血肿，8例；ⅳ型，肾裂伤伴肾周血肿，5例。

The severity of peripancreatic fluid collection and the necrotic extent shown on enhanced CT scan should be regarded as the criteria for the classification of pancreatitis.

应以胰周渗出程度和增强CT扫描显示的坏死范围共同作为胰腺炎的分级标准。

The study on the dynamic rheological behavior at molten state for PP/EPDM, PP/EVA blends was conducted on an advanced rheometric expansion system .

以扫描电子显微镜为主要手段，研究了PP与EPDM、PP与EVA共混体系在整个组成范围内的相形态，并探讨了与体系组成及性质的关系。

Results Among 24 cases, 18 had headache,17 had visual symptoms. In all cases the space-occupied lesions in sphenoidal sinus and sellar area were rerified by CT scan.

结果 24例临床表现中18例有头痛，17例出现眼部症状。24例均经CT扫描发现蝶鞍区占位性病变并提示了病变范围。

No significant difference of CBV nor CBF was detected between the stenosed or occluded side and the contralateral side assessed in 20 patients.Conclusion Volume Shuttle CTP provides valuable information on hemodynamic damage and MCA abnormalities in patients with MCA stenosis or occlusion.

结论64排螺旋CT应用容积穿梭扫描模式全脑CTP，为MCA狭窄或闭塞可提供有价值的脑血流动力学信息和全面显示灌注异常范围，并且重建CTA可以显示血管狭窄或闭塞。

The XRD patterns showed that the major peaks are at 18.80°, 15.20°, 33.85°, 23.65° and 24.02°, respectively, which are in very good agreement with the values of lanthanum potassium hexacyanoferrate tetrahydrate, further confirms that the compound obtained by the electrochemistry is a crystal of LaKFe〓·4H〓O.

峰电流与扫描速率的平方根在10∽750mV/s的范围内呈线性关系，表现出扩散控制的特征；在此基础上，计算了铁氰化镧在铂电极表面的浓度和钾离子在膜中的扩散系数。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。