超声角膜测厚,pachymetry
1)pachymetry超声角膜测厚
1.Central corneal thickness(CCT) was measured with pachymetry immediately after lens removal and then repeated at 3 days,1 week,2 weeks and 1 month.方法应用超声角膜测厚仪,检测准分子激光原位角膜磨镶术(laser in situ keratomileusis,LASIK)的前长期配戴SCL(5年以上)的患者75例(150眼),术前连续观察摘镜当天、摘镜后第3天、第1周、第2周和第1个月时的CCT。
2)ultrasound pachymetry超声角膜测厚仪
1.DGH 1000 ultrasound pachymetry was used for each eye.方法 :应用超声角膜测厚仪检测无角膜接触镜配戴史者 10 0例 (198眼 )和长期持续配戴软性角膜接触镜者 4 0例 (77眼 )的中央角膜厚度。
3)ultra-sonic pachymetry角膜超声测厚仪
4)ultrasound pachymeter超声波角膜测厚仪
1.[Methods] The CCT of 68 eyes of 34 patients with myopia were measured by OCT, ultrasound pachymeter, and OrbscanⅡ, respectively.【目的】探讨光学相干断层扫描仪(OCT)、超声波角膜测厚仪及OrbscanⅡ角膜地形图/角膜测厚系统(OrbscanⅡ系统)测量中央角膜厚度(CCT)的差异及测量的可重复性。
5)Ultrasonic thickness measurement超声测厚
1.The signal processing method of ultrasonic thickness measurement has been investigated for the film or coating materials less than 1mm.针对厚度小于1mm的薄膜或涂层材料,研究了一种超声测厚信号处理方法。
2.Harmonious Control among individual circuit parameters is realized in intelli- gent ultrasonic thickness measurement using a 8031 single chip processor Automatic selection of measuring methodsd for thickness using different detectors and automatic out -put control are realized A nonlinearity compensation is implemented in the system through a self-regulation program.运用8031单片机完成了智能化超声测厚仪各单元电路多数的协调控制,实现了在不同探头下测厚方法的自动选择和输出的自动调整,并通过自调程序对系统进行非线性补
3.Ultrasonic thickness measurement is one of the main technical of non-destructive testing.多通道全覆盖钢管壁厚检测技术的应用研究超声测厚是无损检测的主要技术之一,随着近年来计算机电子技术的快速发展,超声测厚系统的开发研究也向着数字化、智能化方向发展,在材料工业、石油化工、机械制造等领域有着广泛的应用。
英文短句/例句

1.The thickness of the famous ancient "Great bell" in Beijing was for the first time measured with ultrasonic method.利用超声测厚的方法第一次测定了北京永乐古钟的壁厚。
2.portable ultrasonic thickness meter携带式超声波测厚仪
3.digital ultrasonic thickness gauge数字式超声波测厚仪
4.ultrasonic echo-impulse digital thickness meter超声回波脉冲数字式测厚仪
5.Measuring thickness by ultrasonic pulse-echo contact methodGB/T11344-1989接触式超声波脉冲回波法测厚
6.The Primary Measurement Study of Ultrasonics on Skin Thickness in Children;儿童皮肤厚度的超声学初步测量研究
7.A Study on Acoustic Impedance Matching Criteria for Coating Thickness Measurement by Ultrasonic Interferometry超声干涉法涂层厚度测量声阻抗匹配判据研究
8.Ultrasonic Monitoring in Infertility Women's Follicular Development and Endometrium Thickness超声监测卵泡发育子宫内膜厚度的意义
9.MEASURING THE THICKNESS OF THE FAMOUS ANCIENT “GREAT BELL” IN BEIJING WITH ULTRASONIC METHOD利用超声方法测定北京大钟寺永乐古钟的壁厚
10.Study on the Nodularity and Thickness of Centrifugal Nodular Cast Iron Pipe Using Ultrasonic Testing Method;离心球墨铸铁管球化率和壁厚的超声检测研究
11.Development of Ultrasonic Device for On-Line Automatic Measurement of Seamless Pipe Thickness;无逢钢管在线超声波自动测厚装置研制
12.Study on the Ultrasonic System for Thickness Measure of Plastics Extruder;塑料管材挤出机超声波在线测厚系统的研究
13.The Research on the System of Visualized Ultrasonic Successive Measuring Thickness for Steel Pipes;钢管可视化超声波连续测厚系统的研究
14.Research on Ultrasonic Testing of Multi-Shell Thickness Adhesive Interface for the Motors;多厚度壳体发动机界面脱粘超声检测技术研究
15.Study on Ultrasonic NDT Method of the Thickness of Coated Layer in Thermal Spraying;热喷涂涂层厚度的超声无损检测方法研究
16.Investigation of Thickness Measurement of Liquid Layer in Mechanical Structure Using Ultrasonic Technique机械结构液体层厚度超声测量方法研究
17.Investigation into Ultrasonic Testing of Thick Walled Austenitic Welds厚壁奥氏体焊缝超声波检测之探究(英文)
18.Application of Multizone Ultrasonic Inspection for Great Thickness EBW应用超声多区聚焦技术检测大厚度电子束焊缝
相关短句/例句

ultrasound pachymetry超声角膜测厚仪
1.DGH 1000 ultrasound pachymetry was used for each eye.方法 :应用超声角膜测厚仪检测无角膜接触镜配戴史者 10 0例 (198眼 )和长期持续配戴软性角膜接触镜者 4 0例 (77眼 )的中央角膜厚度。
3)ultra-sonic pachymetry角膜超声测厚仪
4)ultrasound pachymeter超声波角膜测厚仪
1.[Methods] The CCT of 68 eyes of 34 patients with myopia were measured by OCT, ultrasound pachymeter, and OrbscanⅡ, respectively.【目的】探讨光学相干断层扫描仪(OCT)、超声波角膜测厚仪及OrbscanⅡ角膜地形图/角膜测厚系统(OrbscanⅡ系统)测量中央角膜厚度(CCT)的差异及测量的可重复性。
5)Ultrasonic thickness measurement超声测厚
1.The signal processing method of ultrasonic thickness measurement has been investigated for the film or coating materials less than 1mm.针对厚度小于1mm的薄膜或涂层材料,研究了一种超声测厚信号处理方法。
2.Harmonious Control among individual circuit parameters is realized in intelli- gent ultrasonic thickness measurement using a 8031 single chip processor Automatic selection of measuring methodsd for thickness using different detectors and automatic out -put control are realized A nonlinearity compensation is implemented in the system through a self-regulation program.运用8031单片机完成了智能化超声测厚仪各单元电路多数的协调控制,实现了在不同探头下测厚方法的自动选择和输出的自动调整,并通过自调程序对系统进行非线性补
3.Ultrasonic thickness measurement is one of the main technical of non-destructive testing.多通道全覆盖钢管壁厚检测技术的应用研究超声测厚是无损检测的主要技术之一,随着近年来计算机电子技术的快速发展,超声测厚系统的开发研究也向着数字化、智能化方向发展,在材料工业、石油化工、机械制造等领域有着广泛的应用。
6)corneal thickness角膜测厚
1.Analysis of corneal thickness measured by Orbscan-II corneal topography system and ultrasonic corneal pachymeter;Orbscan-II角膜地形图仪与超声角膜测厚仪角膜测厚结果的对比分析
延伸阅读

超声超声UltrasofliCS  是指超出人耳听力范围的高频声(频率超过20000Hz)。超声具有与一般声音共同的物理性质,还具有一些其他重要的物理特性,如能够成束发射,直线传导,方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2~7.5MHz。频率越高,对组织结构的分辨力越强,但远场声能容易被组织吸收、衰减,不易穿透较深的层次。