阐述了季节对电瓷坯件和生产工艺过程的影响,重点分析了几种典型的季节性缺陷产生的原因及其防止办法,指出了在电瓷生产中控制微气候的重要性.
叶立茂, 路普生
doaj
[The comparison of step-down pharmacotherapy and maintaining dose therapy for seasonal allergic rhinitis]. [PDF]
Li LS, Guan K, Wang ZX, Cui L, Xu YY.
europepmc +1 more source
[Research status and hotspots of seasonal allergic rhinitis based on CiteSpace visualization analysis]. [PDF]
Tian H, Zhu D, Zhao B, Liu X, Meng C.
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[Clinical characteristics of allergic rhinitis induced by pollen in northern China]. [PDF]
He S +5 more
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[Epidemiological characteristics of intussusception in children aged 0-3 years in Jiangsu Province from 2018 to 2023]. [PDF]
Wang Y, Gao X, Liu Z, Zhan S.
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[Epidemiological characteristics of respiratory syncytial virus infection in children in Hebei Province]. [PDF]
Wang X +7 more
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野生动物的活动节律和家域特征是其为适应内外环境变化而形成的生存模式,研究活动节律和家域特征有助于深入了解野生动物生态适应性,维护生态平衡,并有助于制定科学保护策略。因此,基于北斗卫星追踪项圈监测技术,深入研究了贺兰山岩羊(Pseudois nayaur)全年的活动节律和家域特征,以及不同季节、性别的个体差异。研究表明:(1)岩羊属于晨昏性动物(06:00—10:00、16:00—20:00),4个季节均表现为双峰模式的日活动节律;(2)岩羊全年的活动速率为(0.17±0.51) km/h ...
崔爽 +6 more
doaj
[Surveillance of birth defects among perinatal infants in Guiyang City, 2016-2024, and trend prediction]. [PDF]
Wang Y, Yang JY, Tang LY.
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[Bacterial Infection Spectrum and Antimicrobial Resistance in 2850 Cases of Community-Acquired Pneumonia in Children]. [PDF]
Zhong M +6 more
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[Association between airborne particulate matter(PM 2.5) concentration and the incidence of allergic rhinitis in Shanghai]. [PDF]
Sun N +12 more
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