顺磁性
- paramagnetism
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LaNi5晶体表面第一、第二层有1·15个电子从La原子向Ni原子转移,这两层有反向的微小自旋磁矩,从而使表面显示顺磁性。
For the first two layers of the surface of LaNi_5 crystal , there are 1.15 electrons transferred from La to Ni , and the two layers have small opposite spin magnetic moments which shows the paramagnetism .
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对所得纳米CuO的顺磁性进行了研究,结果表明该氧化铜呈现出超精细结构特征,这可能是由于CuO表面有大量的吸附氧或者离子缺陷造成的。
The paramagnetism of the CuO hollow spheres has also been investigated . The results showed the hollow spheres represent hyper-fine signals , which is caused mainly by the absorbance oxygen or the imperfections . 4 .
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顺磁性对比剂动态增强MR脑灌注成像
The paramagnetic contrast agent dynamic enhancing MR perfusion imaging of brain
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靶向超顺磁性脂质体整合素受体MR成像实验研究
Integrin receptor MR imaging with targeted superparamagnetic liposome
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大鼠间充质干细胞超顺磁性氧化铁标记和经脾移植后的MR示踪研究
In vivo MR tracking of magnetically labeled mesenchymal stem cells in rat liver after intrasplenic transplantation
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肾功能衰竭大鼠超顺磁性氧化铁标记骨髓间充质干细胞肾脏移植MR活体示踪的研究
In vivo tracking of magnetically labeled mesenchymal stem cells injected via renal arteries in kidney failure rat
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超顺磁性氧化铁粒子增强MRI在骨肿瘤动物模型中的实验研究
Experimental Study of SPIO-Enhanced Magnetic Resonance Imaging in the Bone Tumor Model
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MR示踪观察面神经损伤大鼠脑内移植超顺磁性氧化铁标记神经干细胞
MR tracking of transplanted neural stem cells labeled with SPIO nanoparticles in rats brain after facial nerve injury
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超顺磁性氧化铁增强MRI诊断肝脏局灶性结节增生
SPIO Enhanced MRI Diagnosis of Hepatic Focal Nodular Hyperplasia
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超顺磁性Fe2O3用作磁共振胃肠对比剂磁偶极子的相互作用
Superparamagnetic Fe_2O_3 microparticles as gastrointestinal contrast agent in magnetic resonance imaging
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MRI顺磁性造影剂增强及护理
Nursing and Enhancement of Paramagnetic Contrast Medium MRI
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Origin法拟合Ni2FeAl超顺磁性的研究
Research on Origin Fitting Ni_2 FeAl Superparamagnetic
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αvβ3整合素受体靶向性超顺磁性脂质体的建立及体外磁共振观察
Development of α _v β _3 integrin targeted superparamagnetic liposome and in vitro MR observation
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超顺磁性氧化铁增强MRI对肝脏局灶性病变检出价值的评价
The Value of SPIO-Enhanced MR Imaging in the Focal Hepatic Lesion Detection : A Systematic Review
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目的探索通过改变K空间填充方式来降低肾动脉MR扫描顺磁性造影剂剂量的可行性。
Objective To evaluate the feasibility of reducing the contrast agent dose for renal artery MR angiography through changing K-space filling approach .
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是由于Co原子聚集形成了超顺磁性的Co纳米颗粒,减弱了样品的铁磁性。
The implanted Co atoms agglomerated and formed superparamagnetic Co clusters , which resulted in the decrease of the ferromagnetism .
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超顺磁性氧化铁增强MRI检测转移性淋巴结的实验研究
Magnetic resonance imaging enhanced by superparamagnetic iron oxide particles in detecting lymph node metastasis of tumors : an experimental study
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MRI观察超顺磁性纳米颗粒标记的AnnexinV体外检测细胞凋亡
MRI observation of apoptotic cells using superparamagnetic iron oxide nanoparticles labeled Annexin V in vitro
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溶剂热处理对超顺磁性球形γ-Al2O3催化剂载体性能的影响
Effects of Thermal Treatment in Solvents on Properties of Magnetic Spheroidal γ - Al_2O_3 Catalyst Carrier
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多醇法可控制备羧基化Fe3O4超顺磁性微球
Synthesis of superparamagnetic carboxyl functional magnetite microspheres through polyol process
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超顺磁性Fe3O4颗粒增强水质子横向弛豫的研究
Study on Transverse Relaxation of Water Protons Enhanced by Superparamagnetic Fe_3O_4 Particles
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利用顺磁性的钆类对比剂进行磁共振成像(MRI)检查是脑胶质瘤最常用的诊断方法。
Magnetic resonance imaging ( MRI ) with gadolinium-based contrast agent is currently the gold standard for the detection of brain tumor .
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磁性测试结果表明,在室温下这种银耳状的Co(0.85)Se具有顺磁性。
And magnetism test results show that the tremelliform Co ( 0.85 ) Se possesses paramagnetic property at room temperature .
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相应地,2a位的Fe原子,在AFM态为顺磁性,经过该相变后,相应地呈现铁磁性排列。
However , the Fe atoms at 2a also showed a magnetic moment in ferromagnetic state .
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MRI顺磁性造影剂Gd-DTPA的合成
Synthesis of MRI paramagnetic contrast agent Gd-DTPA
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空心超顺磁性Fe3O4纳米微球的制备与表征
Preparation and Characterization of Hollow Superparamagnetic Fe_3O_4 Nanospheres
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本文报道一种MRI阴性造影剂&超顺磁性氧化铁混悬剂用作胃肠腔造影剂的临床试用结果。
The clinical application of a kind of MRI negative contrast agent-superparamagnetic iron oxide particles suspension as contrast medium for gastrointestinal tract was reported .
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实验观察到的Faraday偏转为顺磁性的。
The observed Faraday rotation is of the paramagnetic type .
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超顺磁性纳米Fe3O4颗粒感生的横向弛豫
Transverse Relaxation Induced by Superparamagnetic Fe_3O_4 Nanoparticles
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纳米级超顺磁性Fe3O4超细粒子的制备及表征
Synthesis and characterization of ultrafine Fe_3O_4 nanoparticles