Results 21 to 30 of about 956,585 (113)
Rare Metals, Volume 45, Issue 9, September 2026.ABSTRACT Ti‐15Mo‐2.5Ag alloy exhibited a low modulus and strong antibacterial ability but poor bioactivity. To resolve this problem, sandblasting and anodization were used to create a hydrophilic and nano‐Ag2O‐containing TiO2 coating. Subsequently, the microstructure and physicochemical properties were investigated by scanning electron microscopy, X ...
Yanchun Xie +11 more
wiley +1 more source
, 2011 应用平衡法研究了红壤对草酸、柠檬酸、酒石酸和苹果酸的吸附行为。结果表明:红壤对有机酸的吸附量随着有机酸平衡溶液浓度的增加而增加,有机酸种类不同,吸附量也不同。有机酸在红壤中的吸附行为均可以很好地用Langmuir、Freundlich和Temkim方程描述,其中以Langmuir方程的拟合效果最好。红壤对有机酸均具有较高的吸附率,在0.5～20mmolL-1初始浓度范围内,草酸、柠檬酸、酒石酸和苹果酸的吸附率最大分别可达89.2%、77.5%、67.4%和47.1%。红壤对柠檬酸 ...
王兴祥 +3 more
core +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT The regeneration of osteoporotic bone defects is severely hampered by compromised endogenous healing capacity, demanding advanced strategies that actively orchestrate pro‐osteogenic microenvironments. Here, we report an integrated, self‐powered osteo‐regenerative system that uniquely leverages a dual ultrasound‐responsive piezoelectric ...
Bing Tan +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Due to their exceptional porosity, structural versatility, and modular coordination chemistry, metal–organic frameworks (MOFs) have emerged as versatile platforms for targeted drug delivery. These structures enable fine‐tuning of pore size, surface activity, and framework stability for the encapsulation of a broad range of therapeutics ...
Rui Hua +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Although alloy‐based materials present potential for peroxymonosulfate (PMS) activation, metal ion leaching remains severely restricted during the pollution degradation process. Herein, the porous carbon‐supported Fe–Cu alloy derived from industrial copper slag was prepared to remove the organic pollutants from wastewater while inhibiting the ...
Xuanren Chen +10 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Na‐superionic‐conductor‐type (NASICON) Na4MnV(PO4)3 (NMVP) is an appealing cathode for sodium‐ion batteries (SIBs), but its application is hindered by Jahn–Teller distortions, sluggish Na+ kinetics and poor conductivity, leading to rapid capacity fade.
Huan Liu +8 more
wiley +1 more source
, 2010 本发明涉及有机物的合成，具体的说是一种将有机羧酸转化为有机醛的制备方法。具体为在同一反应器中经两步反应，先将羧酸中的羧基转化为氧硼烷基化合物，然后加入质量为反应底物羧酸质量的0.1％-1.0％的2， 2，6，6-四甲基哌啶氧化物和反应底物羧酸当量的1.0-1.2倍的碱，在0-40 ℃下用反应底物羧酸当量的1.0-1.2倍的三氯异氰脲酸的丙酮溶液氧化为醛。本发明采用的一锅反应由有机羧酸制备醛的方法，反应条件温和、反应迅速，使用无毒氧化剂，反应过程绿色，工艺简单、易操作、易处理 ...
于君宝 +4 more
core
Ultrasound in Obstetrics &Gynecology, Volume 68, Issue 2, Page 211-219, August 2026.ABSTRACT Objectives First, to evaluate whether the ratio of soluble fms‐like tyrosine kinase‐1 to placental growth factor (sFlt‐1/PlGF) is associated with hemodynamic changes in ophthalmic artery (OA) Doppler in near‐term pregnancy. Second, to assess the performance of OA Doppler to rule in and rule out angiogenic factor imbalance.
M. F. Tinajero +7 more
wiley +1 more source
, 2007 本发明涉及一种有机-无机杂化类水滑石负载杂多酸盐催化剂的制备方法及其在液相烯烃的过氧化氢环氧化反应中的应用。催化剂的制备方法是先合成层间为长链有机酸根阴离子的有机-无机杂化类水滑石，用水重新分散成浆后，取适量浆液与“三明治”型杂多酸盐进行阴离子交换，杂多酸盐的量是类水滑石阴离子交换容量的0.1～2倍，离子交换反应的条件是在N2保护下于50～100℃搅拌5～120分钟，经过滤、洗涤、干燥，即得有机-无机杂化类水滑石负载的杂多酸盐催化剂。将该催化剂用于液相烯烃的过氧化氢环氧化反应，具有高的催化活性和选择性 ...
刘 鹏, 李 灿
core
Journal of Ecology, Volume 114, Issue 8, August 2026.Ectomycorrhizal roots of Pinus armandii release more carboxylates than non‐mycorrhizal root segments, mobilizing Al‐bound inorganic P. Under the lowest available P conditions, they also secrete more phosphatase, promoting the mineralization of Al‐bound organic P.
Jun Zhou +7 more
wiley +1 more source