Results 41 to 50 of about 15,664 (213)

Study on salt tolerance mechanism of leucine dehydrogenase based on molecular dynamics simulation [PDF]

open access: yes, 2017
来自嗜盐微生物的嗜盐酶不仅可以在高盐的环境中生存,且可以保持较好的稳定性及活性,为探究这类特殊的嗜盐酶在高盐环境中的盐适应机制,本文以来源于海洋Pseudoalteromonasspongiae菌株的亮氨酸脱氢酶(以下简称psLeuDH)为研究体系,对酶进行理性设计并采用分子动力学模拟的方法模拟酶在不同盐浓度的模拟过程中的动态变化尝试解释酶的盐适应性。 首先对psLeuDH酶进行了耐盐性质的研究,测定了psLeuDH分别在0、1、2、3、4、5M盐浓度条件下的酶活。结果表明psLeuDH为极端耐盐酶 ...
杨若南
core  

Interface Issues of Inorganic Solid‐State Electrolytes in Secondary Magnesium Batteries

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Solid‐state magnesium batteries (SSMBs) have gained significant attention as promising candidates for next‐generation safe energy storage systems because of the abundance of magnesium (Mg) in the earth's crust, superior energy density, and inherent nonflammability.
Jiren Wang   +9 more
wiley   +1 more source

动脉源性栓子与心源性栓子的比较转录组学研究

open access: yesZhongguo shiyan zhenduanxue, 2022
目的 探讨动脉源性栓子与心源性栓子的转录基因差异,以期确定潜在诊断性生物标志物的种类。方法收集12例动脉源性栓子和14例心源性栓子并随机各自分成3组进行总RNA提取,采用高通量转录组学检测动脉源性栓子和心源性栓子的转录组、筛选和确定差异表达基因和转录本并进行GO和KEGG途径分析,CPAT和rMATS分别完成新转录本编码能力预测和可变剪切事件检测。结果 动脉源性栓子和心源性栓子分别鉴定出11080个和10658个基因、24759个和24166个转录本。两组栓子相比 ...
doaj  

Bimetallic Mo/Fe‐Doped CoP2 Nanoleaf Array as a Bifunctional Electrocatalyst for Overall Water Splitting

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The development of efficient and stable bifunctional catalysts remains a key challenge for green hydrogen production via electrochemical water splitting. In this study, a bimetallic Mo/Fe‐doped CoP2 nanoleaf array anchored on carbon cloth (Mo, Fe‐CoP2@CC) was synthesized from zeolitic imidazolate framework‐L (ZIF‐L) via an ion‐exchange and low‐
Xiangqun Zeng   +6 more
wiley   +1 more source

Molecular Dynamic Simulation on Flexible Binding of Broad-specific Neutralizing Antibody CDR3 with Avian Influenza Virus Receptor Binding Site (RBS) and Structure-based Rational Design of RBS-binding [PDF]

open access: yes, 2017
流感病毒以其持续变异能力和在全球范围内的广泛传播,引发人类呼吸道传染病,严重威胁着人类的健康,是全球公共卫生的重大问题。每年都有大量的人感染流感病毒,或因季节性流感和流感大爆发而死亡。其中,禽流感病毒的威胁,尤其是H5N1型和H7N9型等高致病性禽流感病毒已逐渐成为对人类最具威胁的传染病之一。由于流感病毒的高度变异性,现有的疫苗研发策略需要每年更新流行株,而传统抗病毒药物的治疗效果也会受到影响,因此开发新型抗流感药物是流感防治的迫切需要。 流感病毒包膜外的血凝素蛋白是中和抗体识别的主要靶标 ...
毕行建
core  

Bottom‐Up Strategy Toward 3D Porous MXene/MoS2 Nanosheets/Graphene Nanoarchitectures as Highly‐Efficient Hydrogen Evolution Electrocatalysts

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT As a core component in the electrochemical water splitting system, the cathode catalyst is capable of boosting the kinetics of the hydrogen evolution reaction (HER), while the scarcity and expenditure of current noble metal‐based electrocatalysts seriously restrict the large‐scale commercial development of hydrogen manufacturing devices. Here,
Haiyan He   +8 more
wiley   +1 more source

Anti-freezing Mechanism of Superhydrophobic Substrate [PDF]

open access: yes, 2016
广泛存在于自然界的结冰现象对人类社会有着很大的影响,非预期的结冰往往会给日常生活带来不便和经济损失,甚至人员伤亡。基于生物仿生的超疏水界面材料不仅具有很好的抗冻效果,还克服了传统抗冻方法能耗高,不环保和不便捷等缺陷,为界面抗冻的研究提供了新的途径,成为最近几年界面抗冻的研究热点,一系列具有卓越抗冻性能的超疏水界面材料被发现,促进了相关研究的进行,加深了人们对超疏水界面材料抗冻的认识。然而,由于目前的研究工作采用的实验条件不同,对超疏水界面材料抗冻性能的实验条件没有进行严格控制 ...
张志森
core  

A Multifunctional Reducing Molecular Dopant for 16% Efficient Tin Perovskite Solar Cells

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Although lead‐based photovoltaics have seen remarkable progress, tin‐based perovskite solar cells (Sn‐PSCs) continue to face challenges due to their limited power conversion efficiency and insufficient operational stability. The primary cause of this performance gap is the susceptibility of Sn2+ to oxidation, which promotes rapid defect ...
Xianyong Zhou   +12 more
wiley   +1 more source

HARBIN GUANGHAN POWER TRANSMISSION CO.,LTD.

open access: yesJixie chuandong, 2015
<正>公司简介:哈尔滨广瀚动力传动有限公司是中国船舶重工集团公司第七○三研究所控股子公司,黑龙江省高新技术企业,公司以七○三所舰船动力传动专业为技术依托,拥有强大的设计、研发能力。公司通过长期的技术积累,掌握了高速、重载等核心动力传动技术,形成了一支高水平的研发技术团队,涵盖机、电、液等专业方向,实践经验丰富,研发模式已由传统的经验模式转变为更加严谨的理论一试验相结合模式,精通动力学分析、静力学分析、应力应变分析、流体仿真分析、
doaj   +2 more sources

平衡态和非平衡态等离子体的微观模型研究

open access: yesGaoya dianqi, 2005
总结和比较了当前主要的几种等离子体微观模型: Potapov模型、Eindhoven模型、基于动力学的模型和基于最小吉布斯自由焓原理的模型。前两种模型的理论依据都是道尔顿分压定律、质量作用定律、电荷准中性条件与化学计量平衡条件,但质量作用定律和配分函数的表达式不同:后两种一个是从化学反应动力学的角度,一个是从热力学和统计物理的基本定义出发,来描述等离子体的微观过程。分平衡态和非平衡态阐述了模型的变化:推荐了Eindhoven模型作为工程计算用的首选模型。
臧春艳, 何俊佳, 程礼椿
doaj  

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