Results 51 to 60 of about 23,507 (165)
From Clueless to Confident: How ChatGPT Transforms Academic Writing in Chinese as a Second Language
International Journal of Applied Linguistics, Volume 36, Issue 2, Page 1235-1251, May 2026.ABSTRACT Generative artificial intelligence (GenAI) has demonstrated its potential to enhance the quality of second‐language (L2) academic writing. This study used a qualitative approach comprising analysis of ChatGPT usage‐history screenshots, written assignments, and semi‐structured interview data on students’ use of GenAI in their L2 Chinese ...
Lanfang Sun +4 more
wiley +1 more source
Jingshui jishu【目的】本文针对活性污泥2d号模型(ASM2d)参数众多、不确定性高的问题，开展参数敏感性分析，以识别关键参数、降低模型校准复杂度，为工艺模拟、校准与优化提供依据。【方法】本文以某污水厂厌氧-缺氧-好氧(AAO)工艺为对象，构建生物段处理工艺ASM2d模型，采用蒙特卡洛模拟结合拉丁超立方抽样，对筛选的39个模型参数进行全局敏感性分析，研究了不同模拟次数(78～210组)对分析结果的影响，并通过标准化回归系数量化参数对各出水指标的影响程度。【结果】当模拟次数达到156组以上时 ...
Zhu Jialu, Ma Yan
doaj +1 more source
A MRI study of white matter changes in mesial temporal lobe epilepsy patients [PDF]
, 2015 目的 运用基于体素的形态学测量（voxel-basedmorphometry,VBM）及基于纤维束骨架的空间统计方法（tract-basedspatialstatistics,TBSS）对内侧颞叶癫痫（mesialtemporallobeepilepsy,MTLE）患者全脑白质体积和白质纤维束弥散张量成像(diffusiontensorimaging,DTI)参数进行分析，并探讨MTLE患者脑白质结构改变与认知水平的关系。 材料和方法 选取24例右利手MTLE患者，其中左侧MTLE12例 ...
席继辉
core
Engineering Geometric Active Sites in Cobalt Spinel Oxides for Energy and Environmental Catalysis
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Cobalt‐based spinel oxides (Co3O4 and derivatives) are among the most promising transition metal oxides for electrochemical energy conversion and environmental catalysis due to their abundant active sites, structural tunability, and robust redox flexibility.
Shenning Liu +6 more
wiley +1 more source
Gaoya dianqi, 2009 内部均压是高压硅堆研制的关键技术,而硅堆电压分布不均的现象在端部最为突出。以硅堆分布参数等效电路为基础,先采用解析方法分析硅堆内部电压分布规律和影响因素,针对硅堆端部电压分布尤其不均匀的特点,建立EMTP仿真模型,分析端部强制均压元件参数对硅堆电压分布不均匀系数的影响。提出采用非等值均压参数配置方法改善端部电压分布,并通过实验验证了这种非等值均压参数配置方法对改善高压硅堆电压分布不均匀度的效果。研究表明,这种端部均压方法能有效降低硅堆端部的分压,从而提高硅堆整体的反向耐压。
张磊 +4 more
doaj
Optimizing condition of efficient high-expression of lipase B in Pichia pastoris and enzymatic kinetic study [PDF]
, 2015 脂肪酶B是一种用途较为广泛的脂肪酶，能够催化甘油三酯酯键的断裂。除此之外，脂肪酶B还具有多种酶活性，对非水溶性和水溶性物质都有很强的催化活性。因其催化功能的多样性及作为一种生物催化剂的优越性，脂肪酶B在许多领域中具有广泛的应用。随着基因工程和发酵工程等生物技术的不断发展，微生物脂肪酶在各行各业中都得到了广泛应用。而毕赤酵母作为一种能够高效表达外源蛋白的真核表达系统，可以高效表达外源脂肪酶，为其工业化生产提供了基础。本论文以重组毕赤酵母表达脂肪酶B为研究目标 ...
魏常锦
core
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Additively manufactured AlCoFeNi series eutectic high‐entropy alloys (EHEAs) exhibit nonequilibrium dual‐phase microstructure in the as‐printed state, allowing them to be easily tailored through annealing to explore their strength–toughness potential.
Huidong Wu +13 more
wiley +1 more source
TEG血栓弹力图同常规凝血试验的关系及TEG血小板图试验的临床应用
Zhongguo shiyan zhenduanxue, 2012 目的探讨TEG血栓弹力图试验同常规凝血试验的关系,并回顾分析TEG血小板图试验监测抗PLTs药物的临床效果。方法①100例患者,每位分别同时抽取静脉血,做TEG血栓弹力图、常规凝血（aPTT、PT、TT、Fbg）和血常规检测。采用线性相关与回归、多元线性回归与偏回归,评估各参数间关系。②对TEG血小板图试验监测抗PLTs药物的疗效进行回顾性分析。③着重分析MA与PLTs数量的关系。结果 ①MA和CI值均分别与Fbg、PLTs和aPTT,R与aPTT、PT和TT,A与PLTs、aPTT ...
谭延国, 张岩, 王芳, 孙莉
doaj
Jianzhu Gangjiegou Jinzhan, 2020 提出了一种新型外包波纹钢-混凝土组合梁,为了研究这种新型组合梁的受弯性能和破坏机理,通过ABAQUS软件建立了新型外包波纹钢-混凝土组合梁在正弯矩作用下的数值分析模型。剖析了新型组合梁在正弯矩作用下的破坏机理,并进行了这种新型组合梁受弯性能的参数分析,研究了钢材强度、混凝土强度、预应力筋直径、波纹腹板厚度和底部钢板厚度等参数对外包波纹钢-混凝土组合梁抗弯承载力的影响。参数分析表明:钢材强度越大、预应力筋直径越大、底板厚度越大,新型组合梁的极限弯矩越大。基于参数分析提出了新型组合梁抗弯承载力计算方法 ...
钱慧超 +6 more
doaj
keff Uncertainty Analysis of Small Prismatic HTGR [PDF]
Uncertainties on results of reactor physics calculations basically originate from uncertainties of solvers, modeling parameters and nuclear data. The uncertainty quantification (UQ) of import core parameters is critical for the safety and reliability of ...
YUAN Yuan, LIU Guoming, ZHANG Peng, ZHANG Chenglong, YU Miao, YI Xuan
core +1 more source