[Impact of optimizing the quality control system on newborn screening outcomes for congenital hypothyroidism]. [PDF]
Wang J +6 more
europepmc +1 more source
本文对1969年至1985年初在冲击发电机上进行的10kV真空断路器断流容量试验中的弧后击穿现象进行了统计计算。计算结果证明,我国10kV真空断路击穿几率的大小与开断电流的相对大小有关。当开断电流小于极限开断电流的60%时,击穿几率接近于零;当开断电流接近开断稳定区的上限时,有1%左右的弧后重击穿几率和0.4%左右的延滞击穿几率,击穿时间服从威布尔分布。
doaj
[Practice and reflection on sentinel lymph node navigation surgery for early gastric cancer]. [PDF]
Bu Z, Feng M, Ji K.
europepmc +1 more source
[Research progress and clinical practice considerations on assessment tools for gastroesophageal reflux disease in infants and young children]. [PDF]
Liu RX, Li RH, Yin CX.
europepmc +1 more source
[Facial scarless surgical approach for mandibular condyle fracture]. [PDF]
Chen J, Liu L.
europepmc +1 more source
[Effects of opening toward symptomatic side versus ossified side on effectiveness of unilateral open-door laminoplasty for cervical ossification of posterior longitudinal ligament with symptom-ossification mismatch]. [PDF]
Zhang X, Zhu W, Pan Q.
europepmc +1 more source
本文将燃弧区间作为判断开断能力的因素之一,系统地分析了断路器在各种情况下的开断条件。求出了三相分闸不同期与燃弧区间的普遍关系。文章认为只按三相短路的首先开断相的开断条件进行单相试验是不够全面的,提出了新的单相试验条件的方案。
doaj
[Progress in microsurgical repair and reconstruction techniques and development of microsurgery in China]. [PDF]
Gu L.
europepmc +1 more source
[Advances in basic and experimental diagnostic research on liver diseases in 2025]. [PDF]
Chen DB, Yang RF, Chen HS.
europepmc +1 more source
[Comparative analysis of effectiveness of two single-pin internal fixation techniques in treatment of pediatric distal radial metaphyseal diaphyseal junction fractures]. [PDF]
Xu W +6 more
europepmc +1 more source

