Results 21 to 30 of about 1,231,748 (164)

Regulating the Degradation and Cytocompatibility Behavior of Additively Manufactured Pure Zinc Through Post‐Processing Surface Treatments

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Zinc‐based biodegradable metals are promising implant materials, and additive manufacturing offers a powerful route for their patient‐specific fabrication. However, process‐induced surface defects can accelerate degradation and compromise biocompatibility, rendering post‐processing essential.
Yixuan Shi   +13 more
wiley   +1 more source

血浆蛋白可屏蔽人类循环中IgG抗体对凋亡细胞的反应活性

open access: yesZhongguo shiyan zhenduanxue, 2016
目的明确血浆蛋白影响循环中IgG抗体对凋亡细胞的反应性,并探索检测此类抗体活性的最佳条件。方法分别检测纯化前及纯化后的IgG抗体对凋亡细胞的反应性。检测所用样本来源于:(1)10例发生移植肾抗体介导排异反应(AMR)患者的血浆样本;(2)从以上10例患者血浆中纯化的IgG抗体;(3)分泌IgG抗体的永生化B淋巴细胞克隆培养上清液;(4)从同一永生化B淋巴细胞克隆培养上清液中纯化的IgG抗体。结果当IgG从血浆中纯化出来时,其对凋亡细胞的反应性显著增强。对于某些单克隆B细胞分泌的IgG抗体 ...
荣春书   +4 more
doaj  

电解纯化对Inconel 600合金在LiCl-KCl熔盐中腐蚀影响

open access: yesHe jishu
LiCl-KCl共晶熔盐为乏燃料干法后处理中电解精炼过程常用的电解质,其对结构材料的腐蚀主要受熔盐中杂质的影响,通过熔盐纯化降低其腐蚀性是解决干法后处理材料腐蚀问题的重要手段之一。研究中使用电解法对LiCl-KCl盐进行纯化,通过循环伏安电化学方法监测纯化过程,并使用电感耦合原子发射质谱(Inductively Coupled Plasma Mass Spectrometry,ICP-MS)测量LiCl-KCl盐纯化前后杂质元素含量。同时在773 K、氩气环境下开展Inconel ...
童 阳   +5 more
doaj   +1 more source

Lignin‐Derived Carbon Quantum Dots as Hole‐Trapping Promoters in LCDs/Bi‐MOF/ZIS With S‐Scheme Heterojunction for Efficient Photocatalytic Hydrogen Peroxide Production in Pure Water

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Photocatalytic hydrogen peroxide (H2O2) production from water and oxygen driven by solar energy represents a highly promising green and sustainable strategy. Herein, lignin‐derived carbon quantum dots (LCDs) were strategically introduced at the heterojunction between a Bi‐based metal organic framework (Bi‐MOF) and ZnIn2S4 (ZIS).
Wanpeng Sun   +8 more
wiley   +1 more source

Superior Irradiation Resistance of an AlN/Al Nanocomposite: Combined Ion Irradiation and In Situ Electron Irradiation Studies

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Lightweight metallic materials with high irradiation tolerance are essential for aerospace systems operating in extreme irradiation environments. However, the irradiation behavior of particle‐reinforced aluminum matrix composites and underlying irradiation damage mechanisms remain insufficiently understood.
Yuyao Chen   +7 more
wiley   +1 more source

高纯二氧化氯工业循环水处理系统的应用

open access: yesGongye shui chuli, 2006
二氧化氯作为水处理剂已得到广泛的应用,但其纯度和使用成本越来越成为制约其应用的瓶颈。在DTJ-HP法高效、高纯稳定二氧化氯溶液生产技术的基础上,作者研制了新型高纯二氧化氯工业循环水处理系统。该项技术运行成本低、性能稳定、无泄漏、安全可靠。该装置运行的综合费用仅为电解法二氧化氯发生器的30%左右、纯二氧化氯发生器(以亚氯酸钠为原料)的5%~10%左右。
陈亚鹏   +5 more
doaj   +2 more sources

促红细胞生成素多克隆抗体及酶标抗体的制备及纯化研究

open access: yesZhongguo shiyan zhenduanxue, 2011
目的以免疫亲和层析方法纯化重组人促红细胞生成素(rhEPO)并免疫新西兰家兔制备多克隆抗体,用辣根过氧化物酶标记抗体,为进一步建立ELISA检测体系做准备。方法购买rhEPO,用淋巴结内注射法制备多克隆抗体,EPO抗体与葡聚糖凝胶偶联,制成抗体亲和层析柱,以rhEPO作为抗原上样纯化。抗体先盐析粗提纯再过SPA亲和层析柱纯化。用高碘酸钠法制备酶标抗体。结果亲和层析纯化的抗原、抗体纯度较高,蛋白质含量测定分别为0.560、.41 mg/ml;酶结合率为0.578。结论免疫亲和层析法纯化rhEPO ...
曾昭伟, 王学谦
doaj  

Sulfur Vacancy Modulation‐Induced Electronic Rearrangement in S‐Scheme BaTiO3@ZnIn2S4 Heterojunctions: Toward Synergistic Piezo‐Photocatalytic H2O2 Evolution

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT High‐yield photocatalytic H2O2 production in sacrificial agent‐free pure water constitutes a critical bottleneck requiring urgent advances in energy catalysis. Although ZnIn2S4 (ZIS) exhibits favourable visible light absorption, it is plagued by severe bulk charge carrier recombination and scarce accessible surface‐active sites.
Sheng Liu   +7 more
wiley   +1 more source

制取化学纯硅的方法

open access: yes四川大学学报. 自然科学版, 1959
随着半导体事业的发展,制取高纯度的硅是当前一个较重要的问题。而如何充分地利用广泛存在于自然界的硅,提取化学纯硅却是首要的一步。当然,用锌还原、铝还原、碘化法……是可以制取化学纯硅的,我们也作过这些实验,但是,像铝、石英、无砷锌等都是较贵的物品。要用来大量的制取纯硅是很不合算的。在“破除迷信,解放思想”的指导下,我们大胆地用含硅达85%的硅铁进行了试验,结果采用土法,很经济地提取出了纯度达99.99%的化学纯硅。在这里,我们介绍出提纯的方法,供大家参考。
朱爱美, 胡润田, 宋永燊
doaj  

考虑物流特性用于削峰填谷的纯电重卡双层协调优化调度方法 [PDF]

open access: yes全球能源互联网
针对纯电重卡大规模充电给电网带来的负荷峰值大、运行成本高等问题,提出了用于削峰填谷的双层协调优化调度方法。首先,考虑物流特性对纯电重卡进行负荷预测,并获取纯电重卡的行驶行为,得到充电负荷曲线,同时利用模糊C均值聚类将充电负荷分为可调度与不可调度两类,计算其可调度潜力;其次,以总负荷方差最小为目标函数,构造上层优化模型,制定纯电重卡日充电方案;然后,将上层寻优的日充电方案传递到下层,考虑柔性时间窗约束,以纯电重卡运行成本最低为目标函数,构造下层优化模型,实现考虑充电负荷方差与运行成本的双层优化调度;最后 ...
胡文东   +4 more
doaj   +1 more source

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