His first endeavours in the field were wedding films.

She also got some of the first chemical measurements that showed chlorofluorocarbons caused the hole.

她还掌握一些先进的化学测量方法来说明臭氧洞是由人造含氯氟烃造成的.

The researchers found similar results when the laser beam strikes chlorofluorocarbons in the liquid state.

研究人员发现用激光照射液态的氟氯烃时,也得到类似结果.

Chlorofluorocarbons and hydrochloroflorocarbons are oxidated in the stratosphere and troposphere respectively.

两类物质分别在同温层和对流层氧化降解.

Stratospheric influences on the tropospheric seasonal cycles of nitrous oxide and chlorofluorocarbons.

氧化一氮和chlorofluoro碳的对流层季节周期对平流层影响.

The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.

重点介绍了氟氯烃和芳香族化合物在固态冰相中的光化学反应和反应机理.

Many campsites were located near the flowage.

积水湖附近有许多营地.

Cooks are also employed aboard ships and at construction and logging campsites.

另外厨师还能就职于船只和建筑及伐木营地.

Durable surfaces include established trails and campsites, rock, gravel, dry grasses or snow.

平整的地面包括小径、露营地 、 岩石 、 碎石 、 乾草地或雪地.

There are also campsites by the seashore.

在海滩也可宿营.

As construction begins, tent cities are sprouting up everywhere , making sidewalks and parks look like campsites.

在重建工作开始之时, 灾区城市中的帐篷已是随处可见, 人行道和公园看起来就像是巨大的露营地.

Use designated routes, campsites and resting places to reduce trampling and other negative enviromental impacts.

使用设计好的线路, 露营地和休息场所来减少对环境的负面影响!

Suitable for large, medium and small dry cleaners, one year warranty and lifetime maintenance; carton packaging.

适合大 、 中、小型干洗店, 保修一年、终身维修; 纸箱包装.

Dry-cleaners deal with many hazardous chemicals.

干洗工要跟很多危险的化学品打交道.

So we designed a shop management system to address the basic requirements of all dry cleaners.

所以我们设计了干洗店管理系统来基本解决各个干洗店的要求.

The story mentions dry cleaners'attempts to reclaim and reuse wire hangers.

新闻里提到干洗店在尝试回收再利用这些铁丝衣架.

Used auitable with oil dry cleaners, had types of steam-heating or electric heating.

专为石油干洗机配套使用, 有蒸汽 型 和加热型两种.

The strategy involved too douses ( two doses ) of measles vexing ( vaccine ) with supplements of vitamin A.

提高麻疹 免疫 的策略还包括两种加有维他命A添加济的疫苗.

These same viruses and bacteria can also inhabit faucet handles, drinking fountains and school desks.

同样,这些病毒和细菌也可以居住在水龙头手柄, 饮水机和课桌上.

Under segregation there were even white restrooms and white drinking fountains.

在种族隔离年代,甚至有白人卫生间和白人饮水机.

When they become primary caretakers for siblings and are expected to run the household.

当他们成为基层管理员为兄弟,预计开办家庭.