The Mount Sinai researchers also warned against, Bisphenol-A, a substance present in many food containers, plastic water and baby bottles (indicated by a number 7 printed on the base).

西奈山医学中心的医生还警告到，一种名为双酚a的物质普遍的出现在许多的食物容器之内，其中包括了塑料水瓶和婴儿的奶瓶(表面印有数字7)。

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Based on it, a portable intelligent waste water activity determinator was developed, with which the biological activity index data can be read directly, stored and printed out.

并在此基础上，研制成功了智能化的污水活性测定仪，实现了生物活性指标的直读、存储及打印输出功能。

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The utility model relates to a water saving device, in particular to a water saving device used on a printed circuit board (PCB) line.

本实用新型涉及一种节水装置，特别是应用于印制电路板(PCB)线上的节水装置。

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