超声的

Objective The aim of this study was to discuss the performance and character of breast carcinomas on gray scale and color Doppler ultrasound and to evaluate their value in the diagnosis of breast carcinomas.

目的 探讨二维超声及彩色多普勒超声在检查乳腺癌中的表现和特征，评价其在诊断乳腺癌中的应用价值。

By means of scanning electron microscope and EDS test, the factors which have a great influence on the ultrasonic wire bonding between the CdZnTe electrode and the Au down-lead are studied, such as surface treatment technology, electrode thickness of CZT wafer and ultrasonic welding parameters.

采用扫描电镜及EDS测试研究了高电阻CdZnTe金电极与外引线的超声焊接工艺，探讨了CdZnTe表面处理工艺、接触电极厚度及焊接参数对引线超声焊接质量的影响规律。

Objective: Ultrasound is considered as an alternative enedrgy for post-myocardial infarction ventricular tachycardia due to its good penetration through tissues. This study was designed to observe the effects of acoustic power, duration, repetitive ablations, tissue-transducer interface temperature and different sites of the ultrasound ablation in vitro.

使用1.8 MHz超声，分别对①离体犬心肌标本：a采用不同的声功率、时间、次数进行消融，部分标本在消融测量换能器—组织间温度；b采用相同频率和声功率消融左、右心室肌；c 采用与组织接触和不直接接触的两种超声换能器消融；标本均以甲醛固定1～2周后测量损伤灶深度及体积。

We design a five-fingered dexterous hand driven by an ultrasonic motor,whose power is conveyed to various joints by elastic belts of the ultrasonic motor placed at the palm of the dexterous hand.

设计一个由超声电机驱动的仿人五指灵巧手，由于超声电机的一些优点，使得该五指灵巧手与人手相仿，共有20个独立自由度，重量不足1000 g。

Techniques for extraction of total flavones from leaves of Ku bamboos were studied.

对苦竹类竹叶总黄酮的提取工艺进行了研究，确定了乙醇超声提取法的最佳提取工艺是：75%乙醇，1∶15料液比，超声提取3次，每次20min。

Results: The accuracy of four-dimensional ultrasound was 100%,while that of two-dimensional ultrasound was 85.7% between 14 to 24 weeks of gestation.

但传统的二维超声存在一定的局限性，本研究采用通过比较二维和实时三维超声

To improve the measuring accuracy and increase the signal-to-noise ratio in ultrasonic detection of concrete damage, a frequency-modulated ultrasound transmission method was firstly developed.

为提高混凝土超声检测的信号噪声比，提高测量精度，研究脉冲压缩调频超声发射的方法。

Methods: The clinical data and results of ultrasonography and pathological examination of 32 patients with GISTs were analyzed retrospectively.

回顾性分析32例GISTs患者的临床资料、超声检查及手术病理结果，对所有病例的超声检查结果和手术所见进行对比分析。

Objective Analysis the characteristic studying the ovary tumour pedicle reverses acoustic image that the patient examine by the abdomen route. Methods The pedicle of the ovary tumour by operation pathological confirms reverse 46 examples, 10 examples among them are incomplete torsions, 36 examples are to reverse completely, and to carry out by the abdomen route.

目的 分析卵巢肿瘤蒂扭转患者经腹超声检查的声像图特点方法选择经手术病理证实的卵巢肿瘤蒂扭转46例，其中10例不全扭转，36例为完全扭转，并对其经腹超声检查图像进行综合分析。

Ultrasonic imaging method combined with water bag in rectum is superior to that of only TAUS or TVUS in diagnosing and differentially diagnosing masses behind uterus,which has significant clinical value.

超声显像加用直肠水囊法对女性子宫后方包块的诊断和鉴别诊断方面明显优于单纯应用超声显像者，具有较高的临床价值。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。