Results 101 to 110 of about 163,985 (149)

[Establishment of an Epstein-Barr virus infection model using human nasal organoids]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Wei J, Zheng H, Zhao Y, Yu Y, Xu Y, Li G.   +5 more
europepmc   +1 more source

[Comparison of the efficacy of trabeculectomy combined with Schlemm canal incision versus trabeculectomy alone in the treatment of primary open angle glaucoma]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
He Y, Feng L, Wang C, Zhang W, Zhang C, Zhu W, He M, Ye F, Song W.   +8 more
europepmc   +1 more source

一种大通量两性纳滤膜的制备方法

, 2013
本发明涉及一种大通量两性纳滤膜的制备方法。传统纳滤膜的制备方法主要分为相转化法和复合法，但很难得到通量很大的膜。该方法是超滤膜用乙醇和去离子水洗涤，然后浸泡于烯烃类阳离子单体溶液中，100～600W紫外灯下辐照3～120分钟，得到阳离子纳滤膜；阳离子纳滤膜用去离子水洗涤，然后浸泡于两性烯烃类单体溶液中，100～600W紫外灯下辐照2～40min,得到两性纳滤膜；最后两性纳滤膜用去离子水洗涤。本发明方法制备的两性纳滤膜在0.5MPa下水通量为55～200L/m2h，对氯化钠、MgCl2 ...
薛立新, 鲁华锋, 马碧荣, 刘富
core  

[Mechanism of <i>Tongxie Yaofang</i> for reducing 5-HT-induced oxidative stress injury in BRL 3A cells: the mediating role of the SREBP-1/CD1 pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Song M, Su H, Xia H, Chen S, Shao L, Jiang Z.   +5 more
europepmc   +1 more source

超滤技术在赖氨酸生产中的应用

, 2002
本文研究采用超滤膜技术直接处理赖氨酸的发酵夜。实验结果表明,所用的超滤系统能够一步截留未经过任何处理的赖氨酸发酵液中的菌体蛋白、固体颗粒等杂质,赖氨酸有效成分的损失率可以控制在3％以内,即超滤的收率可达97％以上.滤渣的量约为原料体积的10％,而同等量的发酵液经过离子交换后,浓废水量约为该滤渣的20倍,所以大大减少了后续污物处理的压力。膜通量的衰减幅度较小 ...
夏海平, 孙洪贵, 何旭敏, 苏丽明, 丁马太, 蓝伟光, 曾碧榕, 蒋林煜, 陈庆良(泉州大泉赖氨酸有限公司)   +8 more
core  

[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

一种金属有机骨架-金属纳米离子复合过滤膜及其制备方法和应用

, 2017
本发明公开了一种金属有机骨架-金属纳米离子复合过滤膜及其制备方法和应用，首先制备金属有机骨架-金属纳米离子复合过滤膜，然后将所述金属有机骨架-金属纳米离子复合过滤膜装入细菌过滤器中，将有机污染物溶液装入针管中，通过注射过滤法实现所述金属有机骨架-金属纳米粒子复合过滤膜对有机污染物的吸附，最后直接进行表面增强拉曼检测。本发明制备方法所需材料简单，同时制备的复合过滤膜性质稳定，可以回收利用，成本较低。本发明制备的有机骨架-金属纳米离子复合过滤膜能快速富集有机污染物分子 ...
程昱川, 张磊, 鲍静静, 孙爱华, 李志祥, 刘雅娇, 许高杰   +6 more
core  

[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

[Revolution teaching practice in sample pretreatment supported by large-scale instrument： a case study of magnetic covalent organic framework enriching organic ultraviolet filters in seawater]. [PDF]

Se Pu
Li S, Zhu YL, Ren Z, Gao DD, Gu HL, Lao JL.   +5 more
europepmc   +1 more source

[Rapid determination of five antipyretic analgesics in surface water by online solid phase extraction and ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
He P, Wang LQ, Zhou S, Zhang BF, Jia X, Chi Y, Xu ZQ, Tang W.   +7 more
europepmc   +1 more source