Laboratory test sieve shaker advanced structure, good performance with a conversion rate of big, strong vibration, easy to use, screening effective, easy to use and flexible jacket and so on.

实验室振筛机结构先进，性能良好，具有转制幅度大，振动力强，使用方便，筛选效果好，使用夹套方便灵活等特点。

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To explore the method of establishing mice model of asthma induced by respiratory tract syncytial virus, offering foundation for researching disease mechanism and screening effective medicines.

探讨建立呼吸道合胞病毒诱发的哮喘小鼠模型的方法，为研究哮喘发病机理、筛选有效的治疗药物奠定基础。

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As with any screening test, and most vaccines, the process is not 100 percent effective, and a small number of women with precancerous cells escape detection with false negative tests, for example.

如同大多数疫苗一样，任何筛选试验的程序都不是百分之一百的有效。举例来说，有一小部分妇女的癌前期病变细胞在筛选试验中显示假阴性而逃过了检测。

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They might end up getting cancer." Virtual colonoscopy as a screening tool is quite effective thats one of the reason why national cancer Institute recommends this as one of the screening device."

VOA: standard.2010.04.07

Overall, they concluded that exit screening is more effective than screening passengers for Ebola when they arrive in another country.

CNN: Up to three Ebola-infected travelers might fly each month

"The work that we have done has shown that screening is cost effective and beneficial, " he told BBC News Online.

BBC: Aneurysm screening possible

That would mean more effective screening (which is planned already), and also a willingness by those without the symptoms to be treated.

ECONOMIST: Thirty years of a disease