| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | Asymmetric photochemical reactions conducted within microreactors 微反应器中的不对称光化学反应 |
| 5. | An innovative process for synthesizing vitamin d2 by photochemical reaction is also put forward 同时还提出一条光化学合成维生素d2的创新技术路线。 |
| 6. | The advances in the studies of photochemical reactions and synthetic applications of arenedicarboximides are reviewed 摘要综述了芳香二酰亚胺的光化学反应及其合成应用的研究进展。 |
| 7. | In present paper , the discovery of vitamin d and their syntheses by using photochemical reaction were introduced and reviewed 摘要本文报道了维生素d的发现以及它们的光化学合成与进展。 |
| 8. | Ozone is not directly emitted from any source , and is formed under photochemical reaction between nox and voc under sunlight 臭氧并非直接由污染源排放,而是由氮氧化物与挥发性有机化合物在阳光下产生光合化学反应所形成的。 |
| 9. | Prolonged exposure to direct sunlight or fluorescent light causes a photochemical reaction that will adversely affect the beer ' s taste and create an offensive odor 长时间的光照会产生光化学反应,使啤酒的味道发生逆转并产生异味。 |