| 1. | Synthesis and performance of lifepo4 cathode materials doped with nickel ions 4的合成及其改性 |
| 2. | Influence and mechanism of copper ions and nickel ions on flotation of talc 铜离子和镍离子对滑石浮选的影响及作用机理 |
| 3. | The stronger the complexing agent , the more negative the initial potential on which nickel ion discharges 络合剂对镍离子的络合能力越强,镍阴极还原的起始电位越负。 |
| 4. | For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution . hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve 对于阴极过程,镍离子放电和氢气析出过程存在耦合,氢气的析出可能掩盖了线性电位扫描曲线上镍还原的电流峰。 |
| 5. | By analyzing of the potentiostatic transients , the diffusion coefficient d of the depositing nickel ions and saturated nucleus number density nsat were estimated , the effects of applied potential on nucleation and growth ware also discussed 通过分析恒电位暂态曲线,求出镍离子的扩散系数d ,以及不同外加电位下的饱和晶核数密度n _ ( sat ) ,探讨了外加电位对成核作用的影响。 |
| 6. | On the basis of catalyzing mechanism , it can raise the reaction efficiency of sodium sulfite and reduce the remains of sodium sulfite , and has evident catalyzing action by adding bivalent nickel ions and bivalent cobalt ions into the water under the condition of weak alkali 根据催化机理,在弱碱条件下加入二价镍离子和二价钴离子能提高水中亚硫酸钠的反应效率,降低水中亚硫酸钠的残余量,对亚硫酸钠的除氧效果具有明显催化作用。 |
| 7. | The effects of main process factors such as feeding mode , reaction ph values , and ratio of ammonia and nickel ion , reaction time , agitation , reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail . at last , we acquired the optimal preparation parameters , the spherical nickel hydroxide with high tap density and crystalloid degree , perfect flow ability were prepared 在研究加料方式,氨水的加入量,反应时间、体系ph值、反应温度、搅拌、陈化等主要工艺条件对ni ( oh ) _ 2结晶过程和物理性能影响的基础上,确定了较优的工艺参数,制备出了堆积密度和结晶致密程度较高、流动性较好的球形ni ( oh ) _ 2 。 |
| 8. | First , through analyzing different stable contants of nickel ion with other coordination compands several coordination compands fitted to prepare ni ( oh ) 2 are choosed . and then it is believed that nh3 h2o is the better coordination compand via experiments with these coordination compands . second , thermodynamics model is set up according to balancing concentration relation 首先,通过对镍离子与不同配位剂的稳定常数的分析,遴选了几种理论上适合制备ni ( oh ) _ 2的配位剂,然后通过对这几种配位剂进行实验研究,得出nh _ 3 ? h _ 2o是制备高质量ni ( oh ) _ 2较为理想的配位剂。 |