| 1. | They differ in solubility and chemical reactivity .
它们在溶解度和化学反应活性上有差别。 |
| 2. | The chemical reactivity of apo would facilitate its hydrolysis in a waste stream .
三嗪基膦氧化物的化学反应能力会在废水中促进本身的水解。 |
| 3. | The chemical reactivity of apo would prevent the parent compound from reaching the discharge water of a treatment plant .
三嗪基膦氧化物的化学反应能力会阻碍废水中原有的化合物到达处理站的排水中。 |
| 4. | Study on preparation of rice husk ash with high specific surface area and its chemical reactivity
具有高比表面积的稻壳灰的制备及其化学活性的研究 |
| 5. | Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrodes - chemical reactivity to air of prebaked anodes - determination of the reactivity by a loss in mass method
制铝工业用炭素材料的取样与试验方法.电极.预焙阳极对空气的化学反应性.用质量损失法测定其化学反应性 |
| 6. | The experimental results indicate that the initial reaction rates of nano - nah are several orders of magnitude higher than those of the commercial one . the large specific surface area and the high surface energy of nano - nah should be the main factors for their extremely high chemical reactivity . with nano nah , many reactions can be carried out efficiently
实验进一步说明，纳米nah能使某些原来热力学上允许进行但动力学上难以进行或"不能进行"的有关反应得以进行；使一些过去认为低收率无价值的反应，大幅度提高反应速率和产率，使其成为有实际意义的反应。 |
| 7. | Combined core - shell method with scm , pmw - pnn - pt ceramics with core - shell structure , which have excellent dielectric temperature stability , were successfully prepared . the new mechanism of improving temperature stability of dielectric properties was put forward . the main contents are lis ted as bellows : in the systems of pmn - pt , the effects of the chemical reactivities of the starting materials such as soluble mg - salts instead of mgo , pb - salts instead of pbo and ti ( oc4h9 ) 4 instead of tio2 respectively on the formation of perovskite phase were investigated in detail
Scm法与cpm法的工艺相比，工艺简单，预烧温度和烧结温度低，反应时间短；陶瓷致密，介电性能比cmo法和cpm法明显得到改善，而且在没有pt存在时，仍可制得纯钙钛矿结构的pmn基、 pnn基、 pfw基陶瓷。 |
