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- Based on the inversion method of Fred Holm integral equation, a multi-exponential inversion algorithm is derived for resolving spectra of pulsed NMR transve-rserelaxation signals in low field. 从第一类积分方程的反演求解入手,推导出了适合低场脉冲核磁共振横向弛豫信号多指数反演的一种解谱算法。
- Inversion analysis of pulsed NMR transverse-relaxation signals in low field 低场脉冲NMR横向弛豫信号的反演分析
- Introduced are the principle, methods of low field nuclear magnetic resonance(NMR) imaging technology and it's application in rock petrophysics experiment. 摘要主要介绍了低场核磁共振成像技术的原理、方法及在岩石物理实验方面的应用。
- Objective To probe the value of low field MRI in the diagnosis of intrahepatic peripheral cholangiocarcinoma (PCC). 摘要目的探讨肝内周围性胆管细胞癌(PCC)低场MRI的诊断价值。
- Objective To probe diagnostic value of oral Ferrimage in differential diagnosis of extrahepatic biliary obstructive diseases using low field MR. 目的探讨口服复锐明在低场磁共振诊断肝外胆管梗阻病变中的应用价值。
- It was in the lower field next day,poisoning. 次日在较低的田里放毒。
- Methods 42 cases of infectivity rachitis with low field strength MRI were collected. To analyze the signal characterize. 方法收集42例感染性脊柱炎的低场强MR图像,分析其信号特征。
- It had been raining for a week and the low fields were flooded. 一个星期来一直下雨,水位低的田已被洪水淹没。
- The white Gaussian noise was successfully separated from noise signal in low-field pulse NMR system and its parameters were estimated by using this method. 采用该方法从实际低场脉冲核磁共振系统噪声信号中分离出高斯白噪声并对其进行了参数估计。
- Objective:To assess the clinical application of MR urography(MRU)with low field magnet. 目的：评价低场磁共振泌尿系成像（MRU）的成像技术的临床应用。
- Methods The low field MRI of 9 cases with skull base chordoma confirmed by operations was analyzed retrospectively. 方法对9例手术病理证实的颅底脊索瘤患者的低场MRI表现进行了回顾性分析。
- probes low-field pulsed NMR 低场脉冲核磁共振
- Methods: We analyzed restrospectively the low field MRI in 10 cases of chordoma confirmed by operations and pathology . 方法:对10例手术病理证实的脊索瘤患者的低场MRI表现进行了回顾性分析。
- In this paper,we put forward an experiment design that can integrate continuous and pulse NMR image because of the deficiency of NMR experiment in the present university. 针对目前高校核磁共振实验开设现状的不足之处,提出了一种综合了连续和脉冲核磁共振实验结合的实验设计。
- Objective To evaluate the application of low field intensity joint MR in acute injury of ligament of ankle joint. 目的评价专用四肢关节低场MR在踝关节韧带急性损伤中的应用价值。
- Objective To explore the low field MRI feature of chordoma and improve MRI dignosis level. 目的旨在探讨脊索瘤低场MRI的表现特点,提高其诊断水平。
- Objective To evaluate the clinical application value of magnetic resonance hydrography on low field of MR. 目的评价低场强磁共振水成像的临床应用价值。
- Objective: To Study the characteristic of chordoma in low field MRI and improve MRI diagnostic level. 目的:旨在探讨低场MRI脊索瘤表现特点,提高其诊断水平。
- Around 2/3 area of the lower field already hoed and added with compost. 三分之二的低地田已经翻了土;加上堆肥以及基肥了.
- But it seemed unlikely that sharks could use their ampullae of Lorenzini to detect electric field pulses that last only a few thousandths of a second. 但鲨鱼似乎不太可能利用劳伦氏壶腹侦测只有几毫秒的电场脉冲；
