Results 31 to 40 of about 1,408,588 (142)
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of highly efficient and stable nonprecious metal electrocatalysts for the acidic oxygen evolution reaction (OER) is crucial to advance proton exchange membrane (PEM) water electrolysis. In this work, a dual synergistic strategy was proposed by constructing a Ce‐modified MnO2/MnO heterostructure.
Chuanbin Li +7 more
wiley +1 more source
Gongye shui chuli, 2016 介绍了离子交换膜污染的原因和分类，根据对离子交换膜的不同要求，从3个方面详细阐述了提高离子交换膜抗污染性能的改性方向，指出探寻新的改性方法、开发新型亲水性膜材料是将来提高膜抗污染性能的主要途径。
张学敏, 王三反, 周键
doaj +2 more sources
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Expanding near‐infrared (NIR) spectral response and utilizing ultraviolet (UV) photons are effective strategies for enhancing the power conversion efficiency (PCE) of lead halide perovskite solar cells (PSCs). However, the range of NIR spectral response extension and the utilization of UV light for devices are not enough, and the loss of ...
Li He +9 more
wiley +1 more source
Adaptive Chemical Strain Boundary in Freestanding BiSmFe2O6 Double‐Perovskite Membranes
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Double‐perovskite multiferroic systems have attracted increasing attention due to their highly tunable structures and chemical adaptability. The uncontrollable performance changes caused by the release of boundary conditions are an important factor hindering the development of freestanding membranes.
Jie Tu +14 more
wiley +1 more source
Gongye shui chuli在均相阴离子交换膜（AEM）表面振荡沉积聚多巴胺（PDA）改性层，然后借助PDA的黏附性进一步沉积与铁离子（Fe3+）络合的聚丙烯酸（PAA），制备具有复合改性层的单价阴离子选择性AEM。利用扫描电子显微镜、红外光谱仪、Zeta电位及接触角测试仪等对改性膜进行表征和性能测试，考察改性膜在电渗析分离氟离子（F-）、氯离子（Cl-）和硫酸根离子（SO42-）混合溶液中F-和Cl-的单价阴离子选择性，并探讨了PAA浓度和Fe3+投加量等因素对改性膜性能的影响。结果表明 ...
宋俊 +4 more
doaj +4 more sources
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 7-14, January 2026.ABSTRACT Objective To perform an updated meta‐analysis evaluating the diagnostic performance of transvaginal ultrasound (TVS) for detecting lateral parametrial involvement in women with suspected deep pelvic endometriosis. Methods A literature search was performed in the Web of Science, PubMed and Scopus databases from January 2021 to May 2024 for ...
J. L. Alcázar +7 more
wiley +1 more source
, 2017 本发明涉及一种改性聚合物微孔膜，所述改性聚合物微孔膜包括聚合物微孔膜以及附于聚合物微孔膜的表面的交联层，所述交联层为通过硅氧烷预聚液对所述聚合物微孔膜的表面进行交联改性而得到，所述硅氧烷预聚液由预聚体和惰性有机溶剂组成，所述预聚体为多烷氧基硅烷与功能性单体进行聚合得到的共聚物 ...
林海波, 刘富
core
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 79-88, January 2026.ABSTRACT Objective To evaluate the proportion of optimal assessments of endometrial thickness (ET) achieved by transvaginal ultrasound (TVS) compared with a multimodal (MM) sonographic approach in women with abnormal uterine bleeding (AUB). Methods This prospective observational study was a subset of the EPI‐SURE study conducted between June and ...
S. Nijjar +5 more
wiley +1 more source
, 2011 本发明涉及一种新型的聚砜超滤膜表面改性方法，用以改善分离膜的耐污染性能。采用聚砜为表面改性基膜，通过紫外引发剂或热引发剂在膜表面产生活性自由基，进而将亲水性单体接枝在膜表面，完成对聚砜超滤膜的接枝改性。本发明操作简便，有效地抑制了聚砜主链断裂的发生，并保持了超滤膜的截留性能。所制得的超滤膜亲水性明显改善，抗污染能力显著提高 ...
刘健辉 +5 more
core
Gongye shui chuli纳滤膜对水中污染物的分离截留性能优异，膜污染控制和抗污染强化是该技术发展的研究热点。纳滤膜改性是强化纳滤膜抗污染性能的方法之一，基于两性离子材料的改性纳滤膜凭借两性离子材料静电作用与水分子结合的特性，在渗透性和抗污性方面表现优秀。系统综述了强化抗污染的两性离子纳滤膜的改性方法，包括涂覆法、接枝法、界面聚合法、自组装和共混掺杂法等，并阐释了各方法所制备纳滤膜的抗污效能和适用条件，最后对各改性方法做出了展望，以期为两性离子材料在纳滤膜改性和实际应用中的研究提供参考。
尹萌萌 +5 more
doaj +2 more sources