Results 61 to 70 of about 1,084 (111)

[Research Advances on Natural Products in Maintaining Oral Microecological Balance]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Liu Y, Ma Q, Meng M, Wu Y, Zou J.
europepmc   +1 more source

[Advances in pharmacological research for retinopathy of prematurity]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Xie Y, Zheng S, Yang H.
europepmc   +1 more source

[Research Progress on Microbiome-Driven Mechanisms and Intervention Strategies for Oral Malodor]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Shang X, Wang Z, Ge S.
europepmc   +1 more source

[Research Progress on the Regulatory Mechanism of Respiratory Microbiota in the 
Comorbidity of Chronic Obstructive Pulmonary Disease and Lung Cancer]. [PDF]

Zhongguo Fei Ai Za Zhi
Zhang Y, Zhang T, Wang H.
europepmc   +1 more source

[Biological activities of <i>Polygonatum</i> polysaccharides and their roles in the prevention and treatment of related diseases]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Guan P, Li Z, Wang Q, Ding H, Chen L, Qin H.   +5 more
europepmc   +1 more source

[Oral Health Status of Obese Children andIntervention Strategies]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Cheng R, Lei L, Zhang R, Cai H, Hu T.
europepmc   +1 more source

[Experience of the use of cerebral embolic protection device during transcatheter aortic valve replacement]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Zhang L, Liu X, Xi Z, Yuan F, Yao J, Jiang Z, Yan Y, Song G.   +7 more
europepmc   +1 more source

[Expert consensus on overall standardized management of gadoxetate disodium-enhanced MRI examinations (version 2026)]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Abdomen Group of Chinese Society of Radiology, Chinese Medical Association, Nursing Group of Chinese Society of Imaging Technology, Chinese Medical Association, Chongqing Society of Radiology, Chongqing Medical Association, Imaging Nursing Committee, Chongqing Nursing Association.   +7 more
europepmc   +1 more source

[Expert consensus on the diagnosis, treatment, and prevention of neonatal dengue, chikungunya, and Zika virus infections (2025)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Perinatal Group, Pediatric Branch of the Chinese Medical Doctor Association; Editorial Board, Chinese Journal of Contemporary Pediatrics.   +2 more
europepmc   +1 more source

在低压装置上使用避雷器的安全问题

Dianci bileiqi, 1992
低压回路和装置中过电压防护问题决定于雷电过电压.它分为直接（近处）雷击过电压和间接（远处）雷击过电压.直击雷的过电压与其能量有关,由于能量很大,至今未有令人满意的保护.在最近的IEC文件中实际上已不考虑防护这种过电压的问题.当远处雷击时过电压值取决于避雷器残压和网路情况.在中性点接地的网路中工作接地网路和各种装置的接地都与保护线相连,由于总的接地电阻的降低而减小过电压值.所有元件的电位同时提高 ...
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