查询词典 ultrasound

Materials Methods: Beast ultrasound was performedduring luteal phase and late follicular phase in 50 women, aged 25～45, with normalmenstrual cycle and no distinct breast disease; Serum estradiol and progesteronelevel were measured by enzyme immunoassay on the day of ultrasound performed. Onehundred of twenty nine menopause transition women and 318 menopause women wereselected. All of them had ultrasound of breast and serum estradiol report. Breast pain wererecorded. Sixty menopausal women aged 56.8 yr. and menopausal aged 8.2 yr. participated1-year double-blind, randomized, placebo-controlled and 2mg 17β-estradiol continuouscombined with 1mg norethindrone acetate clinical study. Mastalgia was diaried. Breaststructure changes tested by high-resolution ultrasound at the 0 and 12 M.

资料和方法：征集身体健康，没有明显乳腺疾病的正常月经妇女53名，分别在月经的晚卵泡期和黄体期进行超声检查和测血清雌二醇和孕酮水平；收集有HRT前乳腺超声检查和血清雌二醇水平结果的绝经过渡期妇女129名和绝经后妇女318名，记录既往乳腺胀疼、过渡期乳腺胀疼、绝经后乳腺胀疼和既往乳腺病史。17 β-雌二醇2mg加醋酸炔诺酮1mg连续联合治疗和安慰剂随机双盲平行对照临床研究1年的60名参加者，分别在用药前后各进行一次乳腺超声检查，乳腺症状按同一表格由病人日记及经培训的一名医生定期随诊记录乳腺胀疼出现、消失的日期及持续的天数；超声检查用同一方法测量乳腺腺体层厚度、导管宽度、乳腺腺体结构及血流。

Kunshan Bishan ultrasound Machinery Co., Ltd. of Taiwan BENSONIC ultrasound Switzerland TELSONIC ultrasound Bishan ultrasound Machinery Co., Ltd., has been a high-performance ultrasonic welding machine industry-leading marks.

碧山超音波机械有限公司，一直是高性能超音波熔接机的业界领先标志。

A new method based on the Fourier-Bessel series is proposed to calculate the higher-order harmonic components of a nonlinear ultrasound field in absorbing medium and an analytical solution of a series form is obtained. A closed analytical solution of the higher-order harmonics in the zeroth-order Bessel ultrasound field and the focused Gaussian ultrasound field is deduced to study the field property, especially the near-field property.

提出了一种基于Fourier-Bessel级数的新方法，用于计算吸收媒质中非线性超声场的高次谐波分量，得到其级数形式的解析解，由此推导出吸收媒质中零阶Bessel超声场、Gauss聚焦超声场高次谐波的封闭解析解，进而对其声场特性尤其是近场特性进行了研究。

Objective:to determine the value of ultrasound in diagnosing fatty liver and analyze its cause.methods:using ultrasound as diagnostic tool,we analyzed the pathogenesis of fatty liver in 2 350 patients,and at the same time,we recorded their heights,weights,blood lipids levels,blood-sugar levels,drinking time and occupation,et al.results:these was prominent performance in ultrasound examination of fatty liver,and it had high incidence in patients who was overweight,normolipidaemic,hyperglycemia,dipsomania and mental workers.

目的：探讨超声对脂肪肝的诊断及对分析其起病原因的价值。方法：用超声作诊断工具，分析我门诊部2 350例体检病人的脂肪肝发病情况，同时记录病人身高、体重、血脂、血糖、饮酒、职业等。结果：脂肪肝的超声检查有较突出的图像表现，超重、高血脂、高血糖、长期饮酒、脑力劳动者有较高的发病率。

The above effects of ultrasound on the structure and catalytic properties were related to the frequency of used ultrasound, and the relationship followed the Gaussian distribution curve approximately. The maximum was located at 50 kHz ultrasound.

并且超声波对催化剂结构和催化性能的影响与超声波频率有关，不同频率的超声波对LaBO〓催化剂结构和性能影响的规律近似高斯分布曲线，以50kHz的超声波影响最大。

The "spiculation"sign raised accurate rate of the diagnosis by 11.8%.Conclusion Real-time three-dimension ultrasound is a good supplement of two-dimension ultrasound.It can give more diagnosis information of the breast mass,especially to the small mass which can not be diagnosed definitely by two-dimension ultrasound.To analyse the characteristics of coronary section will improve the diagnosis accurate rate of the breast cancer.

三维超声是对二维超声检查的一个补充，它为诊断乳腺肿块的良恶性多提供了一些观察的指标，尤其对那些在二维图像上不能明确诊断的小肿块，加用三维扫查，注重分析冠状切面特点，有助于提高诊断的正确率。

This paper finds that the treatment efficiency of ultrasound wave at combined frequencies of low and high excels other fashion ultrasound wave. The combined frequencies ultrasound wave with 28 kHz and 840 kHz can compensate others trough each other and eliminate stationary wave and can make furthest effect of cavitate in liquid anywhere.

3本文从理论分析及计算机模拟超声波波形传播得出低、高频搭配的超声波对印染废水的处理效果远远高于其他方式。28kHz和840kHz频率超声波能够相互补偿对方的波谷，消除驻波，使液体各处所受超声波辐射均匀且声压均最强。

Therefore, Dr. Ciechomska and her coinvestigators wanted to see if ultrasound would accurately identify the features of nerve compression in patients with CTS. They obtained ultrasound images of 126 wrists in 52 patients who had been diagnosed as having CTS by EMG. They also obtained ultrasound images of the wrists of 22 healthy people. They used the Aspen unit (Acuson, Aliso Viejo, California), which was equipped with a linear, wideband transducer at 6 to 11 MHz.

Ciechomska和她的研究同僚于是对超音波进行研究，确定超音波是否可以正确的侦测出腕隧道症候群患者受到压迫的神经；研究人员从52位患者处获取了126个手腕超音波造影，这些患者皆经肌电图证实患有腕隧道症候群；同时，研究人员也取得了22位健康者的腕部超音波造影以为对照；所使用的仪器为Aspen (Acuson公司，位于加州Aliso Viejo市)，配备一线性的宽频电能转换器，频率设定在6到11 MHz。

Four aspects of research achievements include:(1)several imaging correction methods and strained estimation methods for biological tissues elasticity imaging were investigated as well as elasticity reconstruction and phantom, in vitro and in vivo elasticity imaging experiments;(2)in the fields of biological microsystem and perfusion evaluation for microvascular system, three kinds of microbubbles whose shell are albumin, sugar ester and surfactant respectively were designed and produced, then the methods to estimate the thickness of their shells were presented, moreover, the interacting mechanism of ultrasound contrast agents and tissues, as well as protein drug delivery under the condition of ultrasound sonification were studied in the molecular level;(3) At the aspect of high intensity focused ultrasound therapy system, we designed and constructed the 256-element HIFU transducers using 1-3 composite materials. And furthermore we developed the integrated HIFU system with 256-element HIFU transducers. And we made preliminary and important progresses in the research of HIFU bioeffect, lesion estimation, techniques of monitoring and imaging and characterizing of structure of HIFU transducer;(4)The real-time method of voice source regeneration based on compensative regulation of physiological parameters was investigated in the field of medical rehabilitation. We addressed the physiology and biophysics of vocalization, modeled voice source regeneration based on compensative regulation mechanism, and put forward an integrated evaluation about the speech rehabilitation and the regenerated voice source; Sixty-one archived journal papers were published, as well as ten in international journals, and eighteen publications were embodied by SCI.

成果包括：（1）在生物组织弹性成像方面，研究了多种图像校正方法和应变估计方法，进行了弹性重构和仿体、离体及在体超声弹性成像实验研究；（2）在生物微系统和微血管血流灌注成像方面，制备了三种不同包膜超声造影微泡，研究了纳米包膜厚度检测与估计方法以及不同纳米包膜造影微泡断裂与药物释放机制，并在分子层次上开展了超声与生物组织相互作用机制以及蛋白质药物超声乳化微囊包裹的研究；（3）在阵列式高强聚焦超声治疗与监控成像技术方面，设计制作了新的HIFU换能器，解决了256阵元单焦点和多焦点合成HIFU治疗系统关键技术问题，并在HIFU生物效应与创伤性评价方法、HIFU过程监控成像技术和薄层复合结构与HIFU 换能器界面特性评价等方面的研究取得了初步而重要的进展，具有重要应用前景；（4）在语音听觉系统特别是嗓音康复方面，研究了基于发声系统补偿调节机制的实时多模式嗓音源再生方法和发声生理，建立基于神经、肌肉和空气动力系统的综合补偿调节模型，提出了相应的评价系统。

Four aspects of research achievements include:(1)several imaging correction methods and strained estimation methods for biological tissues elasticity imaging were investigated as well as elasticity reconstruction and phantom, in vitro and in vivo elasticity imaging experiments;(2)in the fields of biological microsystem and perfusion evaluation for microvascular system, three kinds of microbubbles whose shell are albumin, sugar ester and surfactant respectively were designed and produced, then the methods to estimate the thickness of their shells were presented, moreover, the interacting mechanism of ultrasound contrast agents and tissues, as well as protein drug delivery under the condition of ultrasound sonification were studied in the molecular level;(3) At the aspect of high intensity focused ultrasound therapy system, we designed and constructed the 256-element HIFU transducers using 1-3 composite materials. And furthermore we developed the integrated HIFU system with 256-element HIFU transducers. And we made preliminary and important progresses in the research of HIFU bioeffect, lesion estimation, techniques of monitoring and imaging and characterizing of structure of HIFU transducer;(4)The real-time method of voice source regeneration based on compensative regulation of physiological parameters was investigated in the field of medical rehabilitation. We addressed the physiology and biophysics of vocalization, modeled voice source regeneration based on compensative regulation mechanism, and put forward an integrated evaluation about the speech rehabilitation and the regenerated voice source; Sixty-one archived journal papers were published, as well as ten in international journals, and eighteen publications were embodied by SCI.

中文摘要：成果包括：（1）在生物组织弹性成像方面，研究了多种图像校正方法和应变估计方法，进行了弹性重构和仿体、离体及在体超声弹性成像实验研究；（2）在生物微系统和微血管血流灌注成像方面，制备了三种不同包膜超声造影微泡，研究了纳米包膜厚度检测与估计方法以及不同纳米包膜造影微泡断裂与药物释放机制，并在分子层次上开展了超声与生物组织相互作用机制以及蛋白质药物超声乳化微囊包裹的研究；（3）在阵列式高强聚焦超声治疗与监控成像技术方面，设计制作了新的HIFU换能器，解决了256阵元单焦点和多焦点合成HIFU治疗系统关键技术问题，并在HIFU生物效应与创伤性评价方法、HIFU过程监控成像技术和薄层复合结构与HIFU 换能器界面特性评价等方面的研究取得了初步而重要的进展，具有重要应用前景；（4）在语音听觉系统特别是嗓音康复方面，研究了基于发声系统补偿调节机制的实时多模式嗓音源再生方法和发声生理，建立基于神经、肌肉和空气动力系统的综合补偿调节模型，提出了相应的评价系统。

I will not give up and will not call you any more at the same time.

我不会放弃，同时我也不会在给你打电话了。

China is an uneven distribution of resources cross country.

摘要我国是一个资源分布不平横的国家。