超顺磁性,superparamagnetism
1)superparamagnetism[,sju:p?,p?r?'m?ɡnitiz?m]超顺磁性
1.Preparation and superparamagnetism of Fe_3O_4 nanoparticles;Fe_3O_4纳米粒子的制备与超顺磁性
2.Preparation and Superparamagnetism of Nano-Ni/mesoporous SiO_2 Composites;纳米Ni/SiO_2介孔复合体的制备与超顺磁性
3.The results indicated that The introduction of MgO and Fe_3O_4 delays the transition from T-ZrO_2 to M-ZrO_2;the magnetic solid superacid catalysts have superparamagnetism because of the existence of Fe_3O_4 particles;The samples show well-defined crystallographic faces and the average size in diameter is 30nm;The HRTEM shows that .29nm;磁性基质的引入赋予了固体超强酸以超顺磁性;Hammett指示剂法测得经800℃焙烧后产物的酸强度Ho<-13。
英文短句/例句

1.Superparamagnetic Fe_2O_3 microparticles as gastrointestinal contrast agent in magnetic resonance imaging超顺磁性Fe_2O_3用作磁共振胃肠对比剂
2.Preparation and characterization of super-paramagnetic MFe_2O_4 nanoparticles超顺磁性MFe_2O_4纳米粒子的制备及表征
3.Research on Origin Fitting Ni_2 FeAl SuperparamagneticOrigin法拟合Ni_2FeAl超顺磁性的研究
4.Transverse Relaxation Induced by Superparamagnetic Fe_3O_4 Nanoparticles超顺磁性纳米Fe_3O_4颗粒感生的横向弛豫
5.Synthesis and applications of superparamagnetic magnetite nanoparticles超顺磁性Fe_3O_4纳米颗粒的合成及应用
6.Synthesis and Properties of Ultrasmall Superparamagnetic MRI Contrast Agent;超小型超顺磁性磁共振对比剂的制备及性能研究
7.The Preparation and in Vitro Magnetic Resonance Signal Intensity Tests of Ultrasmall Superparamagnetic Iron Oxide Nanoparticles;超小超顺磁性氧化铁纳米颗粒的制备和体外磁共振信号测试
8.Imaging of pancreas in mice with ultrasmall superparamagnetic iron oxide-enhanced MRI超小型超顺磁性氧化铁颗粒小鼠胰腺增强磁共振成像
9.Synthesis, Characterization and Application of Mesoporous Superparamagnetic Nanoparticles;介孔超顺磁性纳米粒子的制备、性能及应用研究
10.Investigation of Superparamagnetic Nano-Spheres and Nano-Partical Synthesized Through Polyol Process多醇法制备超顺磁性Fe_3O_4纳米微球和颗粒的研究
11.Study on Transverse Relaxation of Water Protons Enhanced by Superparamagnetic Fe_3O_4 Particles超顺磁性Fe_3O_4颗粒增强水质子横向弛豫的研究
12.Application of superparamagnetic nanoparticles for cancer treatment超顺磁性纳米颗粒治疗肿瘤的应用进展
13.Superparamagnetism of Co_(0.8)Zn_(0.2)Fe_2O_4 Nano-particles小粒径Co_(0.8)Zn_(0.2)Fe_2O_4纳米颗粒及超顺磁性研究
14.The Catalyst with the Superparamagnetic Nanoparticles as Its supporter超顺磁性纳米颗粒为催化剂载体的研究
15.Study on cellulase immobilization with supermagnetic nanoparticles超顺磁性纳米颗粒固定化纤维素酶初步研究
16.Synthesis of superparamagnetic carboxyl functional magnetite microspheres through polyol process多醇法可控制备羧基化Fe_3O_4超顺磁性微球
17.Study of Super-paramagnetic Property of Silicon-oil-based Dysprosium Ferrite Magnetic Liquid硅油基镝复合铁氧体磁性液体的超顺磁性能研究
18.Development of α_vβ_3 integrin targeted superparamagnetic liposome and in vitro MR observationα_vβ_3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
相关短句/例句

superparamagnetic超顺磁性
1.Advancement of Research about Superparamagnetic Contrast Agents;超顺磁性造影剂的研究进展
2.Synthesis of superparamagnetic carboxyl functional magnetite microspheres through polyol process多醇法可控制备羧基化Fe_3O_4超顺磁性微球
3.Superparamagnetic Fe_2O_3 microparticles as gastrointestinal contrast agent in magnetic resonance imaging超顺磁性Fe_2O_3用作磁共振胃肠对比剂
3)super paramagnetism超顺磁性
1.Results The synthesized Fe 3O 4 nanoparticles had super paramagnetism,its average diameter was 25nm.目的 采用水解法 ,在碱性条件下制备出具有超顺磁性的Fe3O4 纳米粒子。
2.The Cu/Fe quasi periodic super lattice sample with a Curie point higher than 300 K exhibits super paramagnetism at room temperature.进一步分析表明,超顺磁性的存在使得造成磁偶极分裂的磁场数值减小、超精细场减弱。
4)super-paramagnetism超顺磁性
1.The results showed that the composite had super-paramagnetism, low water absorption and high tensile strength compared with pure PI.采用化学合成法及溶胶凝胶工艺制备了聚酰亚胺(PI)/纳米Fe2O3复合材料,采用古埃法、傅立叶变换红外光谱分析、吸水性能测试、拉伸性能测试等表征了材料的结构及特有的超顺磁性
5)Superparamagnetic Fe_3O_4超顺磁性Fe3O4
6)Superparamagnetic iron oxide nanoparticles超顺磁性Fe_3O_4
延伸阅读

超顺磁性  铁磁性物质的颗粒小于临界尺寸时,外场产生的磁取向力不足以抵抗热骚动的干扰,其磁化性质与顺磁体(见顺磁性)相似,称作超顺磁性。临界尺寸与温度有关,例如球状铁粒在室温的临界半径为12.5纳米,而在4.2K时半径为2.2纳米还是铁磁性的。    超顺磁体的磁化曲线与铁磁体不同,没有磁滞现象。当去掉外磁场后,剩磁很快消失。如以H/T(H是磁场强度,T是绝对温度)为坐标横轴,不同温度的磁化曲线合而为一,可用顺磁体的磁化公式(朗之万函数或布里渊函数)表示。外加磁场时,在普通顺磁体中,单个原子或分子的磁矩独立地沿磁场取向;而超顺磁体以包含大于105个原子的均匀磁化的单畴作为整体协同取向,所以磁化率较一般顺磁体大很多。