Results 51 to 60 of about 358 (101)

[Recent advances in gas chromatographic separation of C₈ aromatic isomers using metal-organic framework stationary phases]. [PDF]

Se Pu
Zhang XH, Xu M, Gu ZY.
europepmc   +1 more source

[Recent progress of covalent organic frameworks as chromatographic stationary phases]. [PDF]

Se Pu
Luo KX, Sun Y, Zhang QT, Wu LS, Song JM, Zhong YH, Lin Z.   +6 more
europepmc   +1 more source

[Separation and purification of phospholipids from Antarctic krill oil by hydrophilic interaction liquid chromatography]. [PDF]

Se Pu
Pan J, Hong L, Zhang Y.
europepmc   +1 more source

[Comparison of Pulsatilla decoction formula granules versus its standard decoction for consistency of chemical components and bioequivalence in mice with ulcerative colitis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhang J, Zhang X, Huang W, Ye D, Huang Z, Huang J, Weng X, Peng L, Dai W, Huang X.   +9 more
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[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

[Research progress of cementless prosthesis in total knee arthroplasty]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Tai W, Qi X, Wang B, Chai W.
europepmc   +1 more source

深水气田水下井口环空压力异常处理技术研究

Haiyang gongcheng zhuangbei yu jishu, 2019
由水下井口和深水海管组成的水下生产系统是深水气田开发的大趋势。因生产管柱穿孔、封隔器失效、井口阀组内漏等原因，导致水下井口环空压力异常超高，接近井口装置安全许用压力，严重威胁生产安全，国内外尚无很好的解决方法。通过进行现场测试，分析水下井口环空压力异常超高的原因，结合现场工艺流程和物料资源，研究出一套水下井口环空压力异常处理技术，并在现场成功应用。该技术研究为深水气田水下井口环空压力异常处理开辟了新思路，极大的提高了深水气田水下生产系统开发的安全性。
doaj  

[Determination of 13 prohibited alkaloids in essential oil-based cosmetics by ultra performance liquid chromatography-tandem mass spectrometry combining QuEChERS purification]. [PDF]

Se Pu
Liu Z, Wang YM, Pan JB, Zong LL, Song YH, Sun XJ, Chen HY.   +6 more
europepmc   +1 more source

[Determination of 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Shi FY, Xu HY, Li JH, Xu MY.
europepmc   +1 more source

[Geometric analysis of three-dimensional position blocking in implant surgery: clinical decision making of instrument length and implant guidance methods]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Yu H, Zhan M, Xie C, Sun M, Cui A, Zhang X, Fu X, Yang Y.   +7 more
europepmc   +1 more source