目的：研究核磁共振成像反转恢复技术中零信号点。
Objective: To study the zero signal point in the MRI inversion recovery technology.
均采用自旋回波（SE）、短时反转恢复（STIR）序列。
All MR imaging was performed by using spin echo(SE)and short time inversion recovery(STIR)sequences.
目的评价FLAIR(液体反转恢复)序列在颅脑疾病中临床应用价值。
Purpose To evaluate the application of FLAIR in cerebral disease.
目的探讨液体衰减反转恢复(FLAIR)序列在脑室系统中的应用价值。
Objective To evaluate the value of fluid-attenuated inversion recovery (FLAIR) sequences in ventricular system.
目的研究在低场液体衰减反转恢复(FLAIR)像上垂体柄的信号特征。
Objective To study signal characteristics of the pituitary stalk on low field fluid-attenuated inversion-recovery (FLAIR) images.
目的评价液体衰减反转恢复(FLAIR)序列对脑室型囊虫病的应用价值。
Objective An evaluation of the application of FLAIR (fluid attenuated inversion recovery) sequence in diagnosing brain intraventricular cysticercosis was made.
目的评价液体抑制反转恢复(FLAIR)序列在颅脑疾病中临床应用价值。
Objective To evaluate the application of flow attenuated inversion recovery (FLAIR) sequence in cerebral disease.
方法采用相位敏感方法消除相位误差，保存反转恢复序列中磁化矢量的极性。
Methods The phase sensitive method was used to remove the phase errors and restore the polarity of theinversionrecovery data .
目的评价液体衰减反转恢复(FLAIR)序列在低场MR中对脑梗塞的应用价值。
Objective: to evaluate the application of fluid-attenuated inversion-recovery (FLAIR) sequence to cerebral infarction in low field MR.
目的评价液体衰减反转恢复(FL A IR)技术在脑梗死诊断中的临床应用价值。
Objective To evaluate the value of FLAIR (fluid attenuated inversion recovery) technique in the diagnosis of cerebral infarction.
基于反转恢复法建立质子nmr二维时域数据，经双重付里叶变换获得二维频域数据。
Proton NMR two dimensional time-domain data are collected based on the inversion-recovery technique. Double Fourier transformation of those data yields the two dimensional frequency-domain data.
目的：探讨快速液体衰减反转恢复(FLAIR)技术条件及其在颅脑的临床应用价值。
Objective: To evaluate fluid attenuated inversion recovery (FLAIR) pulse sequence and the clinical application of fluid attenuated inversion recovery pulse sequences in MRI imaging of the brain.
目的：评估低场MR液体衰减反转恢复（FLAIR）序列诊断颅内柔脑膜转移瘤的价值。
Purpose: To evaluate the value of FLAIR(Fluid attenuated inversion recovery) sequence in diagnosing intracranial leptomeningeal metastasis on low field MRI.
方法：从理论上对核磁共振成像反转恢复技术进行系统研究，获得零信号点的数学表达式。
Methods: Using the MRI inversion recovery technology systemically in theory and get the mathematical expression of the zero signal point.
方法：采用配位竞争法测定钆螯合物的稳定常数，采用反转恢复法测定钆螯合物的水质子弛豫时间。
Methods The stability constants of gadolinium chelates were determined by using a compitition method and water proton ralaxation times T1 were measured by means of the inversion recovery method.
目的：比较液体衰减反转恢复(FLAIR)序列和弥散加权成像(DWI)在急性脑梗塞中的应用。
Purpose: To compare fluid attenuated inversion recovery (FLAIR) sequence and diffusion weighted imaging (DWI) sequence in evaluation of acute cerebral infarction.
目的评价低场液体衰减反转恢复技术(FLA IR)和弥散成像(DWI)序列在脑部MRI应用价值。方法应用0。
Objective To explore fluid attenuated inversion recovery (FLAIR) and Diffussion-Weighted Imaging (DWI) sequence in MRI in brain.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
本文针对目前研究较多的自加热退化和热载流子退化机制做了更深入的探讨，比较了两者的差别，并介绍了它们在反转模式下出现的退化恢复现象。
More detailed discussions on self-heating and hot carriers effects are made as well as comparisons between them. The recovery phenomena under reverse mode are also introduced.
研究表明：相位阻尼能抑制原子反转与恢复和腔场的非经典效应。
It is demonstrated that the phase damping suppresses the revivals of the atomic inversion and non-classical effects of the cavity field in the JCM.
澳元反转向上，并且恢复涨势至三月，然后见高点。
AUD will then turn up again and resume its advance into March when a more important peak is expected.
它提供了一个48伏直流冗余电源输入设计，配备了双重保护机制：电源极性反转和过载电流自恢复保险丝。
It offers a 48 VDC redundant power input design and is secured with a double protection mechanism; power Polarity Reverse and an Overload Current Resettable Fuse.
它提供了一个48伏直流冗余电源输入设计，配备了双重保护机制：电源极性反转和过载电流自恢复保险丝。
It offers a 48 VDC redundant power input design and is secured with a double protection mechanism; power Polarity Reverse and an Overload Current Resettable Fuse.
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