Is there research ongoing to evaluate the relative effectiveness of alternative preservatives to thiomersal?

有没有正在进行的评估硫柳汞替代性防腐剂相对有效性的研究？

youdao

DEA method is an effective method for evaluating the relative effectiveness of decision making problem with multi inputs and outputs.

数据包络分析通过分析生产决策单元的投入与产出数据，评价多输入、多输出决策单元之间的相对有效性。

youdao

The operator needed a method to determine the relative effectiveness of treatment across the wellbore and the impact of diversion on stimulation performance.

作业者需要一个方法能够判别沿整个井眼的增产措施效果和使用了转向技术增产措施的具体效果。

youdao

Not only did government regulators underplay scientific evidence of the effectiveness and relative safety of DDT, they also failed to appreciate the distinction between its large-scale use in agriculture and more limited application for controlling carriers of human disease.

FORBES: Beyond Copenhagen

While goals are not necessary for activity or even productivity, they provide us with a relative standard against which to measure the effectiveness of our efforts, aiding us in the elusive quest for fulfillment.

FORBES: Don't Be A Slave To Circumstance -- Set Goals

At the same time, Facebook has seen its growth slow recently, raising questions in the minds of investors about the effectiveness of its social ads and its relative lack of mobile ads.

FORBES: Move up http://i.forbesimg.com t Move down