| 1. | Thus it is electric field which triggers the photochemical process .
因此是电场引发光化学过程。 |
| 2. | The photochemical effect has been reproduced many times in laboratory experiments .
光化学效应在实验室试验中多次复制。 |
| 3. | Ozone is formed in the stratosphere and mesosphere by photochemical processes .
由于光化过程，在平流层与中层内产生了臭氧。 |
| 4. | If the dark period was too short, the photochemical system was not completely regenerated .
如果暗周期太短，光化学系统不能完全再生。 |
| 5. | The role of photochemical reactions in soil pesticide degradation remains uncertain .
光化学反应在土壤中的农药的降解方面的作用还没有确定。 |
| 6. | The term photochemical oxidants refers to the secondary pollutants formed in photochemical smog .
光化学氧化剂这一词是指在光化学烟雾中生成的次生污染物。 |
| 7. | The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration .
其原理是根据光化反应的可逆性伴随的染色变化。 |
| 8. | The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration .
其原理是根据伴随着染色变化在光化反应中的可逆性。 |
| 9. | Photochemical oxidants have been associated with impaired athletic performance in healthy cross-country runners .
光化学氧化剂一直与健康的越野赛跑运动员的成绩下降有关。 |
| 10. | Asymmetric photochemical reactions conducted within microreactors
微反应器中的不对称光化学反应 |
