钡铁氧体 meaning in English
barium ferrite
ferroxdure
Examples
- The effects of the different kinds of rare earths and the doping amount of them on magnetic properties of bafe , 2o19 ultrafine powders ( including the specific saturation magnetization , the specific remanent magnetization and coercive force ) were firstly discussed systematically
首次查明了钡铁氧体粉末的磁性能(包括比饱和磁化强度、比剩余磁化强度和内禀矫顽力)随稀土元素种类及其掺杂量的变化规律。 - To measure the size of ba - ferrite fine magnetic particles , electromagnetic field was employed to drive the fine magnetic particles displace in order , then scanning electron microscope ( sem ) was used to observe and measure the size of ba - ferrite fine magnetic particles
为了迅速、准确地测定钡铁氧体磁粉颗粒的厚度、直径和厚径比的统计分布，采用对磁颗粒施加外加电磁场的方法，使各个磁颗粒的易磁化轴方向趋于一致，并用扫描电子显微镜观察钡铁氧体磁粉颗粒。 - The hexagonal barexfe , 2 . xo , , ( re denote la ^ nd > sm and gd ) ultrafine powders with m - type structure were firstly synthesized by a novel technique - - - - - - sol - gel combustion synthesis method which combines sol - gel method with low temperature combustion synthesis method . based on theoretical analysis and experimental study , the effects of the composition of the gel , the different kinds of intermediate , strength of solution , the amount of complexing agent , the different kinds of anions , the adding of dispersant , auto - propagating combustion and the condition in heat treatment of the gel on crystal phase , particle size , morphology and magnetic properties of bare ^ fe ^ o , , ultrafine powders were firstly investigated systematically to clarify the optimum forming conditions
本研究是在前人工作的基础上，同时从制备方法和掺杂元素两方面着手，以保证制备的粉体材料具有优异的性能，即首次利用溶胶?凝胶湿化学合成法和低温燃烧合成法相结合的一种兼具二者优点的超细粉末新型合成技术? ?溶胶-凝胶燃烧合成法来完成稀土元素掺杂钡铁氧体bare _ xfe _ ( 12 - x ) o _ ( 19 ) ( re为la 、 nd 、 sm 、 gd )超细粉末的制备。 - In order to meet the requirement of nano - hexaferrites , hydrothermal method and sol - gel self - propagating high - temperature synthesis method were applied . by studying the effects of different precursors , ph value , temperature and time , the optimum conditions were determined , the structure of crystals was studied by x - diffract aat the same time the morphologic and the diameter of crystals were studied by tem
使用x一射线衍射鉴别晶体结构，通过透射电子显微镜观察粒子的形貌与大小， x一射线衍射鉴别晶体是钡铁氧体，透射电子显微镜观察粒子的形态与大小， ，发现粒子分散性较好，结晶性良好，形貌为六角型，通过统计计算粒子粒径，粒子大小处于纳米级，平均粒径为70nm 。