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reference value standard中文是什么意思

  • 参考值标准

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  • 例句与用法
  • Ph measurement-specification for reference value standard solutions and operational reference standard solutions
    ph值测量.第2部分:参考值标准溶液和工作参考标准溶液规范
  • In order to supply a basis for uniting the reference value standard of chinese old men s hematocrit, a research is made on the relationship between the reference value of chinese healthy old men s hematocrit and five geographical factors, which are determined by the way of wintrobe laws . it is found that altitude is the main factor affecting the reference value of chinese old men s hematocrit . as the altitude increases gradually, the reference value aslo increases gradually, and the correlation is quite obvious . applying the method of mathematical regression analysis, a regression equation is given . if geographical values are obtained in some area, the reference value of chinese old men s hematocrit of this area can be reckoned by regression equation . furthermore, according to the similarity of the reference value, taking the altitude as the main dividing basis and considering effects of other geographical factors and population distribution, china can be divided into six regions : qingzang, southwest, northwest, southeast, north and northeast region
    为制定中国老年男性红细胞压积参考值的统一标准提供科学依据,收集了中国各地用温氏法测定的健康老年男性红细胞压积参考值,并对其与地理因素的关系进行了研究,发现海拔高度是影响老年男性红细胞压积参考值最主要的因素,随着海拔高度的逐渐增大,老年男性红细胞压积参考值也在逐渐增大,相关性很显著.用逐步回归分析的方法推导出了一个回归方程.如果知道了中国某地的地理因素,就可以用回归方程估算这个地区的老年男性红细胞压积参考值.依据老年男性红细胞压积参考值与地理因素的依赖关系,把中国分为青藏区、西南区、西北区、东南区、华北区、东北区等6个区
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Last modified time:Sun, 17 Aug 2025 00:29:56 GMT

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