约剂

非盟已为其成员国争取到了约6.7亿剂疫苗，并计划在未来三年内为至少60%的人口接种疫苗。

The AU has already secured around 670 million doses for its member states and it plans to immunize at least 60 percent of its population in the next three years .

综合分析了我国水基钻井液技术的发展，包括：①聚磺钻井液的形成过程及包括约10种处理剂的配方组合模式；

The developments in water base drilling fluids in China are compiled and analyzed in three topics : ① the historical aspects of formulating polymer / sulfonate fluid and the variation of its recept composition from about 10 additives ;

荧光增白剂的所有类型中，二苯乙烯类荧光增白剂最重要，品种数约占荧光增白剂总量的60%，产量占荧光增白剂的80%以上，对国民经济众多行业发挥着非常重要的作用。

Stilbene fluorescent whitening agents are the most important of all the types of fluorescent whitening agents , the variety and yield accounting for60 % and80 % of the total , respectively . They play an important role in national economy in many industries .