Results 91 to 100 of about 43,057 (157)

[Effects of ascites grading and the application of non-selective beta-blockers on the 1-year prognosis of acute-on-chronic liver failure]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Liu WS, Shen LJ, He X, Tian H, Zhai QH, Li DZ, Xin SJ, You SL.   +7 more
europepmc   +1 more source

[Research progress on high performance liquid chromatography stationary phases based on mixed mode]. [PDF]

Se Pu
Li SJ, Li Z, Tang ZX, Lyu M, Wang LT.
europepmc   +1 more source

[Case-based teaching with both positive and negative examples in undergraduate analytical chemistry laboratory： determination of six nitrogen-containing pesticides in environmental samples by solid-phase microextraction-high performance liquid chromatography]. [PDF]

Se Pu
Zhang J, Zhang XZ, Zhang Z, Liu JW, Wang XM.   +4 more
europepmc   +1 more source

钢铁循环水补水水质及系统运行方案优化

Gongye shui chuli
为了进一步探究钢铁行业循环水补充水加药方案，利用主成分分析法分析不同水质类型的时空分布特点，并采用结垢指数法分析5个地区补充水水质类型和不同浓缩倍数下的结垢倾向，从而确定加药方案。主成分分析结果表明：补水为地下水时主要受钙硬、电导率、总碱和氯离子影响，补水为河流水或市政水时主要受总铁与浊度影响；结垢指数法表明：地下水为补充水偏结垢，河流水或市政水为补充水偏腐蚀；建议地下水为补水时浓缩倍数为4~5，河流水或市政水为补水时浓缩倍数为3~4。依据各地区水质类型与浓缩倍数，优化各地区的建议加药方案。
熊斐, 杨浩, 金晓蓉
doaj  

[Determination of 16 organic ultraviolet absorbers in drinking water by solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Wang Z, Zhao C, Ye BX, Chen YY.
europepmc   +1 more source

[Experimental teaching design of instrument analysis for undergraduate study： detection of bifenthrin pesticide residues in tea by response surface methodology-optimized QuEChERS combined with gas chromatography-mass spectrometry]. [PDF]

Se Pu
Gu CX.
europepmc   +1 more source

[Research progress of photoacoustic imaging in diagnosis of limb lymphedema]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Shen Y, Pan J, Wang X.
europepmc   +1 more source

[Finite element analysis of tibial fracture risk following lateral unicompartmental knee arthroplasty under varying bone conditions]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li Z, Huang T, Xu Y, Sun X.
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

[Preparation of mesoporous covalent organic framework core-shell stationary phase and its application in the analysis of astragaloside Ⅳ content in <i>Astragalus</i>]. [PDF]

Se Pu
Zhao XY, Jin JY, Liu XJ, Yan LJ, Yang SY, Zhang ZW, Zhang LY, Wu RF.   +7 more
europepmc   +1 more source