Results 101 to 110 of about 43,057 (157)

[Overexpressing NDUFA13 and CRIP1 improves B cell injury and lung Lesions in COPD mouse models]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Wang M   +6 more
europepmc   +1 more source

两种用中子测量水分的方法

open access: yesDianci bileiqi, 1992
探讨了两种在箱式给料器中及在传送带加工过程中测量原料水分的方法.把测量头较深地插入箱式给料器中,尽可能消除料堆高度对被测水分的影响.已确定,对箱式给料器中粘土水分用中子法测定误差很大.因此,把中子法与γ射线逆逸散法结合进行.根据γ射线及中子脉冲计算水分,测量误差为±0.6%.传送带上的粘土岩矿水分根据水分及密度测定.中子法与γ射线吸收法相结合的水分测定仪,不断地旋转,而测量头固定在框架上,粘土水分与脉冲法测得水分精确度为±0.7 ...
doaj  

[Analysis of the prevalence and influencing factors of myopia among primary and secondary school students in Inner Mongolia Autonomous Region in 2022]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Lu L   +11 more
europepmc   +1 more source

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