After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.Recent studies suggested that erythromycin may b...
Recent studies suggested that erythromycin may be effective in prophylaxis against pertussis in exposed, susceptible persons.最近的研究提示,红霉素对暴露于百日咳的易感者,在预防上有效.Whooping cough is a serious respiratory disease caused by Bordete...
EFT applications are increasingly important for companies.电子资金调拨的运用对公司越来越重要.Over 150 companies will be there, covering everything from finance to fixtures and fittings.将有超过150 家公司出席，涉及领域从金融到室内设备，应有尽有。The big six record c...
This is called a rarefaction and is represented by widely spaced dots.这个区域称为稀疏区,并用疏散的小点表示.The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.黎曼解涉及的经典基本波包括疏散...
高楼林立中的静电干扰是引发大楼病综合征的原因之一。Built-up static contributes to sick building syndrome.他们被迫听白噪音，类似于你在调电台时听到的那种静电噪音。They were made to listen to white noise, such as static of the sort you might pick up between radio stations.控制颗粒...
Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.目的:评价异 丁基 壳聚糖作为生物材料的安全性.Conclusion The isobutyl - chitosan multifunctional dressing has a good bio - safety as a wound dressing.结论异 丁基 壳聚糖多...
In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.Alanine aminotransferase ( ALT ) was checked post - treatment 1 day , 7 days and 14 days.实验动物分别于治...
The teacher often detains the lazy pupils at school to do their homework.老师常把懒惰的学生留在学校写作业.The crowned head , the person in power either people's detention or the control, or detains legally.君主 、 当权者或人民的扣留或管制, 或依法扣押....