| 1. | Lithium has some chemical behavior that resembles the chemistry of mg .
锂的某些化学行为类似于Mg的。 |
| 2. | Study on marine environmental chemical behaviors of spilled oil
溢油海水环境化学行为的研究 |
| 3. | Chemical behavior of mass transfer at the bronze environment interface
环境界面上物质转移的化学行为 |
| 4. | Lithium has some chemical behavior that resembles the chemistry of mg
锂的某些化学行为类似于mg的。 |
| 5. | Chemical behavior and ecological effects of pollutants acting on root - soil interface
土界面的化学行为与生态效应 |
| 6. | The chemical behavior and biological effects of rare earth elements in aquatic environment
稀土元素在水体中的环境化学行为及其生物效应 |
| 7. | The chemical behaviors of heavy metals in contaminated environment affected by acid rain are reviewed
摘要综述了酸雨对污染环境中重金属化学行为的影响。 |
| 8. | Isotopes are different varieties of the same type of atom , all completely identical in their chemical behavior , but differing slightly in their atomic weight
同位素是同一原子的不同品种，具有完全吸纳共同的化学特性，只是它们的原子核重量有点不同。 |
| 9. | This course examines how the presence of 1 - , 2 - and 3d defects and second phases control the mechanical , electromagnetic and chemical behavior of metals and alloys
本课程将探讨1 - 、 2 -及3维之缺陷以及第二种位相，如何控制各种金属及合金材料之机械、电磁和化学行为。 |
| 10. | In this thesis , in order to reducing the amount of the pt catalyst , improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt , the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility . the composite electrode , pt / moox / gc , was characterized to study its composition and its electro chemical behavior by cv . using the xrd and sem techniques , the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst
为了降低主催化剂pt的用量、提高pt的活性和利用率，本论文利用循环伏安法共沉积制备高分散的pt moo _ x催化剂颗粒，利用循环伏安电化学表征、 xrd和sem技术研究了引入moo _ x后的催化剂即pt moo _ x颗粒的粒子大小、分散状态；利用icp - aes定量分析pt moo _ x催化剂颗粒的组成含量；并借助于电化学方法分别评价了pt moo _ x gc电极催化剂的对甲醇的电催化活性和稳定性、氧还原电催化活性。 |
