Results 61 to 70 of about 780 (103)

[Application of salivary micro-ecosystem in early prevention and control of oral and systemic diseases]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Sun X, Yuan C, Zhou X, Diao J, Zheng S.
europepmc   +1 more source

避雷器安装恰当才能运行良好

open access: yesDianci bileiqi, 1990
要使金属氧化物避雷器运行良好,除了正确选择残压外,还要选择最大连续工作电压及暂态过电压。据调查,连续工作电压比额定灭弧电压平均高7%,有的高17%。为此设计了有并联间隙的金属氧化物避雷器结构。此外,正确的使用仍然是必要的 ...
doaj  

[Expert consensus on the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: neonatal urinary tract infection (2025)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology   +2 more
europepmc   +1 more source

[Chinese expert consensus on the diagnosis and treatment of POEMS syndrome (2025)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Plasma Cell Disease Group   +3 more
europepmc   +1 more source

[Application advances of fractional flow reserve in endovascular treatment of lower-extremity arterial disease]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zhang L   +6 more
europepmc   +1 more source

[Therapeutic effects of natural products on animal models of chronic obstructive pulmonary disease]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Fei X   +5 more
europepmc   +1 more source

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