Results 11 to 20 of about 4,274,441 (166)
Zhejiang Daxue xuebao. Lixue ban, 2001 本文在张秉坚[1]改进Barker-Henderson微扰理论的基础上，将理论推广应用到链状分子流体混合物热力学性质的计算.推导过程中采用了Wertheim[2]等人的链成键理论和类似Hino-Prausnitz[3]的流体混合法则，导出了链状方阱势分子流体混合物热力学性质的解析表达式.能够计算热力学一致的Helmhotz自由能、压缩因子、内能和恒容热容.计算结果与文献计算机模拟值吻合良好.
LIANGShi-qiang(梁世强) +4 more
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A study of elasticity deformation of polymethylene chain(聚亚甲基链的弹性形变研究)
Zhejiang Daxue xuebao. Lixue ban, 2001 本文采用旋转异构态模型，对聚亚甲基链受到无相变的弹性形变后的热力学性质进行研究，计算出在不同形变时聚亚甲基链体系的自由能、内能等热力学函数，同时还分析了应力与弹性形变的关系以及内能对弹性形变的贡献.
JIANGZhou-ting(姜舟婷) +2 more
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Study on the thermodynamic properties of two-dimensional proteins(二维蛋白质分子的热力学性质研究)
Zhejiang Daxue xuebao. Lixue ban, 2002 采用二维正方形格点模型,用完全计算法研究了蛋白质分子的热力学性质.发现体系的配分函数Z与链长N存在关系:lnZ=aN+b,其中a,b仅与温度、相互作用有关.总简并度g0(m)与链长N存在关系:g0(m)=a·γN,其中a=0.09,γ=2.72.同时计算了蛋白质分子在自然状态构象间的平均距离,发现当链长N较大时,平均距离趋于1.67.这为研究真实蛋白质分子的热力学性质提供了一种模型和方法.
WANGXiang-hong(王向红) +3 more
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International Journal of Applied Linguistics, EarlyView.ABSTRACT This study examines how foreign language teachers’ beliefs about the medium of instruction and translanguaging evolve over time by revisiting three in‐service teachers twelve years after their initial interviews. Using a qualitative longitudinal design, the study traces how translanguaging was initially framed as pedagogically deficient but ...
Danping Wang
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Functional Ecology, Volume 40, Issue 7, Page 2128-2142, July 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Soil organic nitrogen (SON) transformation is critical for global nutrient cycling and ecosystem productivity, yet how its responsiveness to climate change differs across diverse land use types remains poorly resolved.
Xinyi Yang +10 more
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, 1985 自从第二次世界大战末德国发明V-2火箭,特别是1957年苏联发射第一个人造地球卫星以后,航空和宇航技术高速发展,现在,飞行体的速度已远远超过第一宇宙速度(7.8公里/秒)。随着速度剧增,带来了低速飞行时不曾出现的特殊问题:一是高M数效应,一是高温对飞行介质的影响。高M数效应使得通常的Navier-Stokes方程失效。研究这方面问题,属于高速空气动力学范围。在实际问题中,高速必然伴随着产生高温,这两方面的效应交织在一起。热效应比起单纯的速度效应更本质 ...
颜坤志
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han +5 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Dielectric polymers commonly suffer from severe performance degradation above 150°C, hindering advanced power systems. Herein, we demonstrate a polyetherimide (PEI) nanocomposite that overcomes this by mimicking the gradient architecture of nacre and bamboo, incorporating a continuous vertical gradient of fluorinated boron nitride nanosheets ...
Jian Wang +8 more
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Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Composite materials hold significant potential for abrasive sealing, yet composite materials used for abrasive sealing fall short in service durability under extreme environments. Here, a controllable strategy for adjusting pore structure is proposed, aiming to design a YSZ(ESP)/BN@ZrO2‐polyester coating with hybrid micron/nanometer ...
Shuang Yu +8 more
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四川大学学报. 自然科学版, 2009 在q形变费米-狄拉克分布函数的基础上,研究了相对论q形变理想费米气体的低温热力学统计性质,得到了一些重要热力学量例如费米能,基态能,化学势,总能和热容量的解析表达式,揭示了q形变参数和相对论对系统性质的影响.结果表明:q形变导致了一些与正常的系统不同的新奇特性,另外,相对论费米系统的性质与非相对论系统的性质明显不同.
刘慧, 门福殿, 章毛连, 王玉连
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