基于337个网页-相关网页 报错 百万分之 ( Parts Per Million )(一)、有关儿童产品之含铅量安全标准,在该法案正式实施之 180 天内,制造商与品牌商必须遵守 600ppm ( parts per million )...
基于376个网页-相关网页
...跑仪式的北京多来明视力恢复连锁总部高管COO陈东非先生说:“大气层中二氧化碳厚度的安全上限是350百万分率(parts per million),而目前的水平是约392百万分率,我们希望能通过孩子们所喜爱的跑步运动,传达减少碳排放量的环保爱地球信息。
基于356个网页-相关网页
defective parts per million 缺陷零件每百万分之几 ; 每百万零件不合格数 ; 杰尔还是每百万缺陷数 ; 每百万缺陷数
equivalent parts per million 毫克当量
parts per million range 百万分之几级
defect parts per million 百万分之不良品数
M Parts per million 百万分之
DPPM Defect Parts Per Million 百万分之不良率 ; 每百万个产品中的不良数
·2,447,543篇论文数据,部分数据来源于NoteExpress
Want concentration of CO2 in atmosphere lowered from 380 to 350 parts per million.
希望将大气中二氧化碳含量由百万分之380降低到百万分之350。
A normal amount of CO in your blood is extremely low — zero to eight parts per million.
血液中CO普通含量相当低——零至百万分之八。
The level of carbon dioxide in the atmosphere is measured in parts per million (PPM).
大气层里二氧化碳含量的测量单位是ppm,即一百万体积的空气中所含二氧化碳的体积数。
The team found levels of lead as high as thirty-two thousand parts per million in tests on some paint samples from Ecuador.
VOA: special.2009.08.31
Breathing in two hundred parts per million of carbon monoxide will cause the first signs of poisoning.
VOA: special.2011.01.25
Twelve thousand parts per million of the gas will cause death in one to three minutes.
VOA: special.2010.02.02
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