超声的

Sonography has a higher accuracy in the diagnosis of retrocecal appendicitis. For the patient with atypical appendicitis symptom, sonography should be made.

超声对盲肠后位阑尾炎有较高的检出率，对于症状不典型，临床疑诊阑尾炎的患者应及时行超声检查。

To observed the best ablation temperature of getting effectively electrical isolation, first, we selected three mongrel dogs, if transseptal catheterization was performed successfully, then the pulmonary vein ostia、superior vena cava ostia and inferior vena cava ostia were ablated with TTB-USA (predetermined temperature: 50℃、55℃、60℃ respectively, ablation time: 60 seconds).

为观察不同温度超声消融入心静脉口对电传导的影响，确定最佳的消融温度与消融时间。我们首先选用健康成年犬3只，如果房间隔穿刺成功，则行超声消融肺静脉口与上、下腔静脉口；如果不成功，则单纯消融上、下腔静脉口。

Methods:The echocardiography of 53 patients with thrombus were analyzed by MTEE and transthoracic echocardiography simultaneously.

分析53例心瓣膜病合并心内血栓的多平面经食管超声心动图和经胸超声心动图技术的声像图表现。

Objective: To assess the value of transthoracic echocardiography in the diagnosis and treatment of acute pulmonary embolism.

目的：探讨经胸超声心动图在急性肺栓塞诊断与治疗中的价值。方法：对经临床综合诊断（包括核素肺灌注扫描或CT血管造影）确诊为急性肺栓塞的患者46例进行经胸超声心动图检查。

There is a theoretical possibility that the interaction of diagnostic ultrasound and UCA could produce bioeffects.

在理论上有这样的可能性，即诊断性超声和超声造影剂的相互作用会产生生物效应。

The mathematical model to describe the vibration state of wire under the action of ultrasonic vibration and discharge force has been established, through which computer simulation has been made to study the influence of ultrasonic excitation on the vibration state of wire and distribution of discharge spots.

本文首先建立了描述超声线切割复合加工中电极丝振动状态的数学模型，并计算机模拟分析了超声振动对复合加工中电极丝振动状态及放电点分布状态的影响。

In this paper, numerical computations are made on the scattering of ultrasonic pulse waves with different centroid frequencies of 100 kHz,500 kHz and 1 MHz in fluid-filled finite-length perforation by using Finite Element Method,where three kinds of models of perforation bottom, I.E., flat bottom, stepped bottom and acuminated bottom,are assumed to simulate the practical bottoms of perforation.

乔文孝，杜光升。射孔孔眼中散射超声脉冲波的FEM模拟。测井技术，2001，25（2）：96～100 采用有限元素法，分别数值计算了平底孔道、台阶式孔道和尖劈状孔道等3种孔眼模型中不同中心频率(100 kHz、500kHz、1 MHz)的散射超声脉冲波。

Results show: 1 In the range of long life (N≥2× 10〓 cycles), the design class of peened joints is FAT160; 2 In the range of middle life (2×10〓≥N≥5×10〓 cycles), the design class of peened joints is equal to or higher than FAT125 which is the highest class recommended by ⅡW.

分析了超声冲击处理焊接接头与原始焊接接头在疲劳设计中的不同特点。给出Q235B与16Mn钢对接接头和十字接头经超声冲击处理后的参考FAT值。

Microcalorimetry method is used to measure the heat effect of vesicle formation when PTA titrates into AOT or SDS solution.

囊泡体系超声30分钟，发现体系的蓝色都加深，浊度也增加，说明超声对囊泡的形成起到了促进作用。

Objective To examine whether transesophageal echocardiography is better than transthoracic echocardiography in the detection of partially ruptured mitral chordae tendineae.

目的 比较经胸超声心动图及经食管超声心动图对二尖瓣腱索部分断裂的诊断价值，探讨TEE对该病的探测方法及其声像学特征。

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。