Results 111 to 120 of about 1,002 (162)

[Determination of 51 per- and polyfluoroalkyl substances in raw water and drinking water by online solid-phase extraction coupled with ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Chen YY, Lyu J, Ye BX, Zhang L, Wang YY, Jin N.   +5 more
europepmc   +1 more source

川西高原土地利用碳储量估算及多情景预测

Shuitu Baochi Xuebao
[目的] 区域碳储量与土地利用密切相关。在"双碳"目标下,从碳储量视角开展重点区域土地利用变化预测研究,对协调与优化区域土地利用格局、提高区域生态系统未来固碳潜力具有重要参考价值。[方法] 以川西高原为研究区,以2000年、2010年和2020年土地利用为数据源,预测不同情景下2030年土地利用,结合修正的土地利用碳密度数据和InVEST模型估算区域碳储量变化。[结果] (1)从各地类相对研究区的面积占比变化看,2000—2020年草地从65.20%逐步缩减到63.65%,林地从31.73 ...
刘雅璇, 彭秋志, 黄培依, 陈笛
doaj  

[Interpretation of the "Expert consensus on the management of neonatal parenteral nutrition (2025)"]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Lin XZ, Zhang R, Chang YM, Li ZH, Liu XH, Bei F, Shen W, Tong XM, Chen C.   +8 more
europepmc   +1 more source

[Determination of genotoxic impurity in the bulk drug of crizotinib by high performance liquid chromatography-electrospray ionization tandem mass spectrometry]. [PDF]

Se Pu
Zhan XB, Qin Y, Yan Y, Zhou J, Zhao LS.
europepmc   +1 more source

[Determination of 35 pyrrolizidine alkaloids in dried tea by ultra-high performance liquid chromatography- triple quadrupole mass spectrometry]. [PDF]

Se Pu
Dong L, Zhang XL, Yang C, Zhao JY, Wang XM, Chu YQ, Li XH.   +6 more
europepmc   +1 more source

[Determination of 17 bisphenol compounds in human urine by solid supported liquid-liquid extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Jin Y, Zhang LG, Zhou JX, Ma JJ, Yuan LL, Xiao P, Wang GQ.   +6 more
europepmc   +1 more source

[Determination of 18 Perfluorinated Compounds in Tea Leaves by a Quick, Easy, Cheap, Effective, Rugged, and Safe Method Combined With Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Sun W, Chuai Y, Zhou X, Zhang T, Yong L, Ren L, Luo X, Zou X.   +7 more
europepmc   +1 more source

[Determination of trace polychlorinated biphenyls in environmental water samples by solid-phase microextraction-gas chromatography-tandem mass spectrometry using carbon nanotube composite microspheres materials]. [PDF]

Se Pu
Song XL, Zhu SQ, Wu YX, Zhong LY, Liu YQ.   +4 more
europepmc   +1 more source

[Determination of 29 organic acids in tobacco based on isopropyl esterification derivatization by gas chromatography-mass spectrometry]. [PDF]

Se Pu
Yu J, Gao Y, Wu D, Cao YQ, Qi DW.
europepmc   +1 more source

[Rapid determination of 12 photoinitiator residues in medicinal composite membranes by ultra performance convergence chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Cao YJ, Liu CX, Chen LL, Shang Y, Chen XL, Hu B, Fu M, Hu M.   +7 more
europepmc   +1 more source