dsa的例句大全

Based on the ideas of undeniable digital signature and confirmer digital signature, a new zero-knowledge proof scheme of possessing a DSA digital signature is proposed which can be used to prevent the arbitrary distribution of digital signature.

基于不可否认签名和可证实签名的思想，提出了一种拥有DSA数字签名的零知识证明新方案。

Methods Forty patients with suspected intracranial aneurysms were performed both rotational DSA and MRA.

方法40例疑为颅内动脉瘤的患者同时行旋转DSA和MRA检查。

A Research on Digital Subtraction Angiography ( DSA) Image Processing System

数字剪影血管造影（DSA）图象处理系统研究

Internal Carotid Artery Stenosis or Occlusion: Evaluation of Collateral Pathways on DSA and MRA and Their Clinical Significance

颈内动脉狭窄或闭塞侧支循环途径的DSA和MRA评价及其临床意义

For the usual method of DSA has not good performance, a new algorithm based on subsection logarithm transform is presented in this paper.

由于通常的数字减影算法效果并不理想，该文提出了一种新的减影算法&基于分段对数变换的DSA算法。

Methods: 20 limbs affected chronic ischemia were diagnosed as extensive occlusion by Doppler ultrasound and DSA or MRA.

方法：对有慢性缺血表现的20条下肢行Doppler超声与DSA或MRA检查，确诊为广泛性下肢动脉闭塞症。

Postoperative DSA venography, CT, CT angiography and color Doppler ultrasonography of the vena cava were continued under anesthesia and venous blood pressure was monitored at the same time.

完成后普食喂养2-5周，行DSA下腔静脉造影、CT及CT血管造影、彩色多普勒超声下腔静脉检查，以确定狭窄及其程度，并监测静脉血压变化。

Methods There were thirteen cases of TCCF underwent car accidents combined with epistaxis or intracranial hemorrhage between 1990 and 2000.Their clinical symptoms, CT, MR, and digital substract angiogram ( DSA) were retrospectively analysed.

方法总结1990～2000年的TCCF合并鼻衄或颅内出血的病例13例，均为车祸所致的颅脑外伤。分析其临床表现，CT、MR和数字减影血管造影（DSA）等影像学表现。

Methods 28 patients underwent preoperative digital substraction angiography ( DSA) by Seldinger ′ s procedure to help in entering tumour blood vessel and received intraarterial chemotherapy.

方法运用Sedinge方法对28例直肠癌患者行术前选择性区域动脉造影，显示肿瘤血管并进行动脉药物灌注化疗。

Objective To investigate the relationship of head computed tomography ( CT) and digital substraction angiography ( DSA) in patients with non hypertensive supratentorial hemorrhagic stroke.

目的探讨非高血压性幕上出血性卒中头CT与DSA的关系。

Extend Self-certification Signature Scheme Based on DSA

基于DSA的扩展自证明签名方案

SEM and accelerated life test showed that these three types of DSA anode with good electro-chemical stability.

SEM和加速寿命测试试验表明，3种DSA阳极具有较好的电化学稳定性，适合用于废水处理。

La-Mo, Co-Mo and La-Co-Mo alloys were respectively deposited on titanium substrates with DSA anodes. The properties of Mo alloys were detected with methods of AES, electronic thickness gauge, micro-hardness tester, scratch adhesion test and salt spray test.

以DSA为阳极分别在钛基体上电沉积La MO、Co Mo、La Co Mo合金，采用AES、电子测厚仪、显微硬度计、划痕实验、盐雾实验等手段对镀层性能进行测试。

Prostatic arteriography could be performed successfully with skillful catherization and high resolution DSA.

熟练掌握插管技术和良好的DSA设备可成功进行前列腺动脉造影。

Blind Digital Signature Algorithm Based on DSS/ DSA

基于DSS/DSA的盲数字签名算法

dsa in circumrotate can improve the discovering rate of aneurysm.

脑血管旋转DSA可以提高动脉瘤的检出率。

a gray-level image registration algorithm for dsa image based on subtraction histogram and gray value shift mesh

基于直方图信息和灰度偏移网格的数字减影图像灰度矫正算法

nursing care of acute pulmonary embolism patients undergoing dsa intracavity thrombus circumrotating resection

腔内血栓旋切术治疗急性肺栓塞病人的护理

dsa and treatment of serious arterial hemorrhage by interventional therapy

急性出血性疾病的数字减影血管造影和介入治疗

results dsa could more directly display the vascular stenosis and occlusion as well as dilated leptomenin geal vessel.

结果DSA能直观、准确表现狭窄及闭塞血管，以及颅底毛细血管网；