A both governments have commenced joint topical studies on acid rain , nitrogen dioxide , photochemical smog and particulates to identify the sources of problem that affect air quality in the pearl river delta region and to recommend effective mitigation measures 一粤港双方已联合展开有关酸雨二氧化氮光化烟雾和粒子污染及其防治的专题研究,以找出影响珠江三角洲地区空气质素问题的根源,并建议有效的防治措施。
Both governments have commenced joint topical studies on acid rain , nitrogen dioxide , photochemical smog and particulates to identify the sources of problem that affect air quality in the pearl river delta region and to recommend effective mitigation measures (一)粤港双方已联合展开有关酸雨、二氧化氮、光化烟雾和粒子污染及其防治的专题研究,以找出影响珠江三角洲地区空气质素问题的根源,并建议有效的防治措施。
From the moment you enter the lobby , you will be met with a warm and genuine welcome by the friendly and attentive koreana staff . the hotel has a number of fine eating establishments within its walls and , for your convenience , the koreana hotel also houses a custom tailor , barber , game room and arcade 位于汉城心脏部光化门十字路口,拥有345个客房,韩式餐厅、中餐厅、日式餐厅、西餐厅、酒吧、咖啡厅、面包房等8个饮食场所和宴会场、桑那浴等。
In this dissertation , the synthesized conditions , such as the initial concentration of ti4 + , the initial acidity , the reactive temperature and the reactive time , have been studied with their effects on the photochemical activity of the product and the four preparation methods have been compared and optimized 并分别实验研究了钛液起始浓度、反应液起始酸度、反应温度、反应时间等实验条件对产品光化活性的影响,并对各制备方法进行实验条件优化和优劣比较。