Results 81 to 90 of about 120,350 (129)
[Research Progress of Nrf2 and Ferroptosis in Tumor Drug Resistance]. [PDF]
Hu S +5 more
europepmc +1 more source
采用自主开发的乙二醇制备方法对毫克级的实验室级别催化剂的放大制备工艺进行研究。将Pt3Pd/C合金催化剂的单次制备从0.1、1 g到10 g的逐级放大过程中,合金纳米颗粒的尺寸分布与形貌(TEM表征)、晶体结构(XRD表征)与电化学性质(循环伏安扫描与氧还原极化曲线测试),均保持良好的一致性。10 g级别放大制备的Pt3Pd/C在半电池测试中表现出良好的稳定性;在全电池测试过程表现出优于商业Pt/C的电催化性能;在组装的电堆模块及发动机系统表现出优于商业Pt/C电催化活性及稳定性 ...
秦晓平 +4 more
core
等离子切割电源的电弧稳定性和弧电流的精细度限制了等离子加工的切割效果,提出了一种基于多级耦合电感的新型DC-DC变换器,既能使电弧电流快速响应又能有效地对桥臂及输出回路起到限流的作用,不仅能提升电弧的稳定性,而且也改善了电弧电流精度。首先分析了新型DC-DC变换器的拓扑结构,在建立多级耦合电感(MCI)数学模型的基础上,在Simulink模型中验证了MCI参数变化对变换器的限流能力,并进一步探讨MCI变换器的可行性。最后,搭建了10 kW等离子切割电源实验平台 ...
陈龙, 宋孙浩, 胡克满, 胡国伟
core
依次用m(Pt):m(Nafion)=0.4:0.8、0.6:0.6、0.8:0.4和1.0:0.2的催化剂料液分层涂覆,制备了梯度结构气体扩散电极;通过伏安曲线、扫描电镜(SEM)和循环伏安(CV)等方法,研究了电极结构对质子交换膜燃料电池(PEMFC)性能的影响。该梯度结构电极具有电子传导速度快、质子传递通道多的特点,催化剂Pt的利用率比亲水电极提高了32%,且能扩大催化反应的三相界面,提高PEMFC的性能。在电流密度为500mA/cm^2、1000mA/cm。时,使用梯度结构电极的PEM ...
董明全 +3 more
core
[Synergistic removal of malachite green and Cr(Ⅵ) using ethylenediamine disuccinic acid functionalized silica gel]. [PDF]
Yao L +5 more
europepmc +1 more source
[Interpretation of the "Expert consensus on the management of neonatal parenteral nutrition (2025)"]. [PDF]
Lin XZ +8 more
europepmc +1 more source
Research progress in cuproptosis in liver cancer. [PDF]
Chen L, Liu D, Tan Y.
europepmc +1 more source
[Research progress in the application of molecular imprinting technology in catalysis]. [PDF]
Ye WM +5 more
europepmc +1 more source
Dexmedetomidine exerts its protective effect on cerebral ischemia reperfusion injury in mice by inhibiting ferroptosis. [PDF]
Hu M +6 more
europepmc +1 more source
[<i>Jianpi Zishen</i> Formula improves renal damage in mice with systemic lupus erythematosus by inhibiting p53-MDM2 signaling axis-mediated ferroptosis]. [PDF]
Li Y, Huang C, Pang L, Zhu Z, Li M.
europepmc +1 more source

