Results 151 to 160 of about 8,448 (212)
新型微孔材料——杂多阴离子柱撑Zn-Al型阴离子粘土的合成、表征及其催化反应活性研究 [PDF]
, 1995 继余 张 +4 more
openalex +1 more source
[Aesthetic goals of hypospadias repair]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiTang Y.
europepmc +1 more source
Shuitu Baochi Xuebao目的探究河西走廊荒漠绿洲过渡带不同土地利用方式下土壤盐碱化分异特征，进一步完善该领域系统性研究的不足，为筛选抑盐减碱最优管理模式和边际土地的改良与可持续利用提供科学依据。方法通过野外调查取样和室内分析相结合的方法，对4种不同土地利用方式下（未利用地、草地、耕地、林地）0~20 cm土层的土壤酸碱度（pH）、电导率（EC）、全盐量（TSC）、总碱度（TA）、碱化度（ESP）、水溶性盐分离子组成等指标进行测定，并进行主成分和相关性分析。结果1）研究区土壤平均pH为8.69，整体呈碱性，变异性较弱（CV<
代虎明 +8 more
doaj
[Determination of tetracyclines in animal muscle tissues by ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]
Se PuChu K +5 more
europepmc +1 more source
[Research progress on ionic liquid-functionalized magnetic Fe<sub>3</sub>O<sub>4</sub> nanomaterials in sample pretreatment- chromatographic analysis]. [PDF]
Se PuLi JX +6 more
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[Positive cortical support reduction in treatment of trochanteric femur fractures: history in theory establishment and its inspiration for clinical innovations]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiChang S.
europepmc +1 more source
[Application and research progress of metal-organic framework materials in skin repair]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiMa S, Wu W, Liu H, Liu M, Xing F.
europepmc +1 more source