| 1. | Optimum process of preparing ceo2 - zro2 - la2o3 ultrafine powder
铈锆氧化物粉末制备工艺及其优化 |
| 2. | As an advanced technique of powder preparation , it develops quickly and is applied in many important material sciences
作为一种先进的粉末制备技术，近年来它迅速发展并广泛应用于各重要材料科学领域。 |
| 3. | Chapter 5 . ceoi nanoparticles of average diameter about 30 nm were prepared by sol - gel method in lower temperature
另外，我们用自制的纳米氧化怖粉末制备了以醋酸纤维素为母体的稀土元素离子选择电极。 |
| 4. | The films prepared from ballmilling modified powder are dense in both surface and cross section while filmsprepared by unmodified powder are porous
使用球磨优化后的粉末制备的电解质膜致密,而使用未球磨粉末所得膜内微孔较多。 |
| 5. | Meanwhile a new method was developed to prepare vo2 thin film directly from v2o5 powder . pressed v2o5 powder of 99 . 7 % purity was used as sputtering target by argon ion beam
发展了一种用离子束增强沉积从v _ 2o _ 5粉末制备vo _ 2薄膜的新方法。 |
| 6. | In fact of the preparation of material , nanometer wo _ 3 was synthesized in a novel method by gas - state reaction with tungsten filament . further more , we designed a new type gas sensor based on hall effect
在材料制备方面,我们使用了一种新的wo _ 3粉末制备方法:采用气相反应法,以纯钨丝为原料,获得了wo _ 3纳米气敏材料。 |
| 7. | The effect of rolling coefficients was analyzed , and the optimal coefficients were gotten , therefore the continual coiled green strips in a certain thickness could be produced which have a good mechanical property
分析了粉末轧制过程中的各个参数的影响，利用设计得到供料漏斗和卷带装置，通过实验得到了一组能够将复合粉末制备成为具有良好机械性能的粉末带材的轧制参数，并连续生产得到一定厚度的粉末带卷。 |
| 8. | The vickers hardness , bending strength and fracture toughness were studied . the experiment results show that the starting powders size has a significant effect on the properties of al2o3 - tic ceramics . the al2o3 - tic ceramics with various additions of tic , from 15 to 35 wt . % ,
对不同粒度的原料粉末制备的al _ 2o _ 3 - tic复合陶瓷，随着原料粉末的逐步变细，复合陶瓷的抗弯强度和断裂韧性都逐步提高，但原料粉末的细化对硬度却没有与此对应的影响。 |
| 9. | 3 . the reaction of lanthanide powder with anthracene in the presence of ticl4 catalyst in tetrahydrofuran at 0 - 60 under normal pressure generated organolanthanide compounds , which are less thermal . it was found that the decomposition of the organolanthanide compounds in vacuum could give rise to lanthanide powder of nanometric size with high purity accordingly
3 .纳米尺寸镧系金属粉末制备的研究温和条件下，采用络合催化法合成镧系金属有机化合物，利用它的热不稳定性，在真空条件下进行热分解来制备纳米尺寸镧系金属粉末。 |
| 10. | On the basis of preparing powders with usual technological parameters of thermal spray , the influences on powders properties of ball milling time , assistant reagents of ball milling and conditions of heat treatments are discussed , and then it comes to the optimal preparation project
在采用常规热喷涂工艺参数进行粉末制备的基础上，讨论了球磨时间、球磨助剂、热处理条件对粉末性质的影响，得出最佳的制备方案。该方法可以制备出粒度分布均匀、性质稳定，粒度为200 500nm的超细铜锌粉末。 |
