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数据驱动的发动机剩余使用寿命直接预测

Zhendong Ceshi yu Zhenduan
针对发动机剩余使用寿命（remaining useful life，简称RUL）间接预测时失效阈值难以准确设置、直接预测时监测数据与RUL之间复杂映射关系难以建立的问题，提出了一种改进的发动机RUL直接预测方案。首先，为降低监测数据中的噪声干扰，在多传感器数据融合阶段引入滑动平均滤波对一维健康指标进行降噪以提升数据质量；其次，为改善退化模式特征的提取效果，提出指数函数与二次多项式函数混合交替的优化策略，通过相关向量机模型学习得到退化模式特征与RUL之间的直接映射关系 ...
doaj   +1 more source

人工繁育藏酋猴血液学及血液生化部分指标正常参考值测定

野生动物学报, 2017
目的:了解在人工繁育条件下,不同性别和年龄藏酋猴血液学和血液化学部分指标的正常参考值范围,为藏酋猴标准化养殖及实验室运用提供参考数据。方法:利用全自动血液细胞分析仪和全自动血液生化分析仪,测定119只健康藏酋猴血液学和血液生化值,并对不同性别、不同年龄段藏酋猴检测结果进行分析比较。结果:按年龄分组,成年组的LYM、RBC、HGB、HCT、BUN、Alb、TC等指标,老年组WBC、BASO、RDW、MCHC、Na、CL等指标与青年组比较有明显差异 ...
杨 锋 陈 辉 谢晓娟 曾 雅 余晓君
doaj  

[Effectiveness and cost-effectiveness of risk-based topical fluoride intervention on early childhood caries in Jiangnan District, Nanning City]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Jiang Y, Li Y, Zhang Y, Liu F, Li L, Deng S, Qin Y, Yu J, Qiu R.   +8 more
europepmc   +1 more source

[Health education preferences in patients with type 2 diabetes mellitus based on Big Five personality traits]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Yuan S, Min H, Chen P, Wu Y, Cui H, Zhang X, Sun X.   +6 more
europepmc   +1 more source

[Disease burden and trends of preterm birth in China from 1990 to 2023]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Lin R, Li PP, Lan CY, Zheng Z, Lin XZ.
europepmc   +1 more source

[Expert consensus on artificial intelligence-assisted monitoring and management of neonatal jaundice in primary medical institutions (2026)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology, Society of Pediatrics, Chinese Medical Association.   +2 more
europepmc   +1 more source

[To create the era of oral health management in China]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Luan Q.
europepmc   +1 more source

[Key determinants of global burden of non-alcoholic fatty liver disease: machine learning combined with Mendelian randomization analysis based on GBD data]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Chen H, Li Z, Ji M, Wang X, Chen B, Guan Q, Wu M, Lu L.   +7 more
europepmc   +1 more source

[Cessation intention and behavior of e-cigarettes and associated factors among 18-44 Chinese adults: Based on protection motivation theory]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zhang X, Yang X, Lin H, Ji Y, Cao W, Chang C.   +5 more
europepmc   +1 more source

[Impact of effective health information acquisition on hemophilia-related health literacy among caregivers of underage hemophilia patients]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Yuan R, Lin H, Xu Q, Liu X, Shi D, Chang C, Cao J.   +6 more
europepmc   +1 more source