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重视分析后质量管理

中华检验医学杂志 2012年第4期35卷 289-292页

作者：丛玉隆解放军总医院检验科北京100853

本文根据ISO15189的内涵和现代检验医学的理念，论述了分析后质量管理的重要意义及在患者诊治过程中的重要作用。阐述了检验结果确认要注意的问题，实验室对检验结果审核与发出的程序，制定检验后标本储存的原则，咨询服务范围和处理抱... 详细信息

本文根据ISO15189的内涵和现代检验医学的理念，论述了分析后质量管理的重要意义及在患者诊治过程中的重要作用。阐述了检验结果确认要注意的问题，实验室对检验结果审核与发出的程序，制定检验后标本储存的原则，咨询服务范围和处理抱怨的方法以及实验室与临床科室沟通和信息交流与全面质量管理的关系。

关键词：临床化学试验质量控制

Sulfide-driven nitrous oxide recovery during the mixotrophic denitrification process

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Journal of Environmental Sciences 2023年第3期125卷 443-452页

作者： cong yu Sen Qiao Jiti Zhou Key Laboratory of Industrial Ecology and Environmental Engineering(Ministry of Education China)School of Environmental Science and TechnologyDalian University of TechnologyDalian 116024China

We propose a novel sulfide-driven process to recover N_(2)O during the traditional denitrification *** optimum initial sulfide concentration was 120 mg/L,and the N_(2)O percentage in the gaseous products (N_(2)O+N_(2)) was up to 82.9%.Moreover,sulfide involved in denitrification processes could substitute for organic carbon as an electron donor,e.g.,1g sulfide was equivalent to 0.5-2 g COD when sulfide was oxidized to sulfur and *** accumulation of N_(2)O was mainly due to the inhibiting effect of sulfide on nitrous oxide reductase (N_(2)OR),which was induced by the supply insufficiency of electrons from cytochrome c (cyt c) to N_(2)*** the initial sulfide concentration was 120 mg/L,the N_(2)OR activity was only 36.8%of its original *** to the results of cyclic voltammetry,circular dichroism spectra and fluorescence spectra,significant changes in the conformations and protein structures of cyt c were caused by sulfide,and cyt c completely lost its electron transport *** study provides a new concept for N_(2)O recovery driven by sulfide in the denitrification *** addition,the findings regarding the mechanism of the inhibition of N_(2)OR activity have important implications both for reducing emissions of N_(2)O and recovering N_(2)O in the sulfide-driven denitrification process.

关键词： N_(2)O recovery N_(2)OR inhibition Cytochrome c Electron transfer capacity

Impact of window and air-conditioner operation behaviour on cooling load in high-rise residential buildings

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Building Simulation 2022年第11期15卷 1955-1975页

作者： cong yu Jia Du Wei Pan Department of Civil Engineering The University of Hong KongPokfulamHong KongChina

Space cooling is an important building energy end-use that was found in recent years to be significantly impacted by occupant ***,the majority of previous studies ignored the interplay between the operation of windows and air conditioners(ACs)on cooling load,particularly in building energy *** addition,studies on the analysis of cooling load characteristics regarding high-rise buildings are *** vertical effect of high-rise buildings on cooling load remains *** study thus aims to examine how window and AC operation behaviours impact the cooling load of high-rise buildings in an urban context demonstrated by a real-life typical 40-floor residential building in Hong *** study investigates window and AC operation behaviours jointly and examines the vertical effect on cooling load by using agent-based building energy modelling(BEM)techniques and initiating stochastic and diverse behaviour modes.A carefully designed questionnaire survey was conducted to help build behaviour modes and validate energy *** building energy models were established integrating meteorological parameters generated by the computational fluid dynamics(CFD)programme for ten typical floors and nine combinations of window and AC behaviour *** results show that comfort-based AC modes and schedule-based window modes yielded the lowest cooling *** the combined effect of AC and window uses,the maximum difference in cooling loads could be 26.8%.Behaviour modes and building height induce up to 32.4%differences in cooling ***,a deviation between the behaviour modes and height on the cooling load was *** findings will help develop a thorough energy model inferring occupants’window and AC behaviour modes along with the building height in high-rise residential *** findings indicate that the interaction impact of window and AC behaviour modes and height should be jointly considered in future high-rise buildin

关键词： occupant behaviour air conditioning natural ventilation high-rise residential building building energy use

认知功能损伤对双任务站立影响的中枢机制:功能性近红外脑成像系统分析

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中国组织工程研究 2025年第17期29卷 3579-3587页

作者：董志文于聪陈岩丁建军山东体育学院运动与健康学院山东省济南市250102 山东体育学院国家足球学院国家篮球学院山东省日照市275900

背景:轻度认知障碍老年人由于认知功能下降,姿势控制能力下降,易发生跌倒。双任务范式由于更贴近日常生活,常被用于评估姿势控制能力,但以往对于轻度认知障碍老年人的认知与姿势控制双任务研究主要探讨姿势控制的外在表现特征,中枢神经... 详细信息

背景:轻度认知障碍老年人由于认知功能下降,姿势控制能力下降,易发生跌倒。双任务范式由于更贴近日常生活,常被用于评估姿势控制能力,但以往对于轻度认知障碍老年人的认知与姿势控制双任务研究主要探讨姿势控制的外在表现特征,中枢神经机制的直接证据依然缺乏。目的:探讨轻度认知障碍老年人在执行站立姿势控制-空间工作记忆双任务时大脑躯体感觉运动皮质激活特征。方法:采用蒙特利尔认知量表(MoCA-B)筛选受试者,共纳入轻度认知障碍老年人16人、认知功能正常老年人17人,进行5种任务测试,分别为空间工作记忆(SIT)、双足平衡站立(SD)、Romberg站立(SR)、双足平衡站立-空间工作记忆双任务(DD)、Romberg站立-空间工作记忆双任务(DR);同时使用功能性近红外脑成像系统和三维测力台收集躯体感觉运动皮质(20个通道)的血液动力学、足底压力中心(COP)摆动轨迹数据。结果与结论:①在Romberg站立、双足平衡站立-空间工作记忆双任务、Romberg站立-空间工作记忆双任务下,轻度认知障碍老年人前后、内外方向足底压力中心位移均显著大于认知功能正常老年人(P<0.05);②在双足平衡站立-空间工作记忆双任务下,轻度认知障碍老年人15通道(右侧前运动皮质/辅助运动区)的氧合血红蛋白变化量值显著大于认知功能正常老年人(P<0.05);在Romberg站立-空间工作记忆双任务下,轻度认知障碍老年人15,17通道(右侧前运动皮质/辅助运动区)的氧合血红蛋白变化量值均显著大于认知功能正常老年人(P<0.05);③在Romberg站立-空间工作记忆双任务下,轻度认知障碍老年人内外方向足底压力中心位移与15通道的氧合血红蛋白变化量存在显著正相关(r=0.659,P<0.05),认知功能正常老年人内外方向足底压力中心位移与15通道的氧合血红蛋白变化量存在高度正相关(r=0.840,P<0.05)。结果表明,与认知功能正常老年人相比,轻度认知障碍老年人在站立姿势控制-空间工作记忆双任务中站立姿势控制能力较弱,右侧前运动皮质与辅助运动区激活水平更高,更多的脑资源用于侧向姿势控制,可能是轻度认知障碍老年人认知衰退导致站立姿势控制能力变弱的大脑补偿机制。

关键词：轻度认知障碍姿势控制空间工作记忆前运动皮质辅助运动区功能性近红外光谱

Effects of Self-gravity on Mass-loss of the Post-impact Super-Earths

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Research in Astronomy and Astrophysics 2022年第4期22卷 36-41页

作者： Jiang Huang Wei Zhong cong yu School of Physics and Astronomy Sun Yat-Sen UniversityZhuhai 519082China CSST Science Center for the Guangdong-Hong Kong-Macao Greater Bay Area Zhuhai 519082China State Key Laboratory of Lunar and Planetary Sciences Macao University of Science and TechnologyMacaoChina

Kepler’s observations show most of the exoplanets are *** formation of a super-Earth is generally related to the atmospheric mass loss that is crucial in the planetary structure and *** shock driven by the giant impact will heat the planet,resulting in the atmosphere *** focus on whether self-gravity changes the efficiency of mass *** self-gravity,if the impactor mass is comparable to the envelope mass,there is a significant *** radiative-convective boundary will shift inward by *** the temperature and envelope mass increase,the situation becomes more prominent,resulting in a heavier ***,the impactor mass will increase to motivate the significant mass loss,as the self-gravity is *** the increase of envelope mass,the self-gravity is particularly important.

关键词： planets and satellites:atmospheres planets and satellites:physical evolution methods:numerical

A magnetically driven origin for the low luminosity GRB 170817A associated with GW170817

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Research in Astronomy and Astrophysics 2018年第6期18卷 59-64页

作者： Hao Tong cong yu Lei Huang School of Physics and Electronic Engineering Guangzhou University School of Physics and Astronomy Sun Yat-sen University Key Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical Observatory Chinese Academy of Sciences

The gamma-ray burst GR170817 A associated with GW170817 is subluminous and subenergetic compared with other typical short gamma-ray bursts. It may be due to a relativistic jet viewed off-axis, or a structured jet or cocoon emission. Giant flares from magnetars may possibly be ruled ***, the luminosity and energetics of GRB 170817 A are coincident with those of magnetar giant flares. After the coalescence of a binary neutron star, a hypermassive neutron star may be formed. The hypermassive neutron star may have a magnetar-strength magnetic field. During the collapse of this hypermassive neutron star, magnetic field energy will also be released. This giant-flare-like event may explain the luminosity and energetics of GRB 170817 A. Bursts with similar luminosity and energetics are expected in future neutron star-neutron star or neutron star-black hole mergers.

关键词： stars: magnetar stars: neutron gamma-ray bursts: individual(GRB 170817A) gravitational waves

轻度认知障碍老人与认知正常老人在不同单双任务下姿势控制能力的差异性

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中国组织工程研究 2025年第8期29卷 1643-1649页

作者：张雨馨于聪张翠丁建军陈岩山东体育学院山东省济南市250102 山东省体育科学研究中心山东省济南市250102 山东体育学院运动与健康学院山东省济南市250102

背景:老年人由于轻度认知障碍而引起姿势控制能力下降,导致跌倒风险增高。双任务是在接近真实生活场景下评估认知与姿势控制能力关系的主要研究范式,站立时足底压力中心位移样本熵可代表姿势控制的复杂程度。目的:基于压力中心位移样本... 详细信息

背景:老年人由于轻度认知障碍而引起姿势控制能力下降,导致跌倒风险增高。双任务是在接近真实生活场景下评估认知与姿势控制能力关系的主要研究范式,站立时足底压力中心位移样本熵可代表姿势控制的复杂程度。目的:基于压力中心位移样本熵分析轻度认知障碍老年人与认知正常老年人在姿势控制-空间工作记忆任务中姿势稳定性特征及控制策略的差异,探究认知功能损伤对站立姿势控制能力影响。方法:筛选出符合条件的16名轻度认知障碍老年人和17名认知正常老年人为研究对象,老年人分别完成5种测试任务,包括空间工作记忆、双脚平衡站立、Romberg站立、双脚平衡站立-空间工作记忆双任务、Romberg站立-空间工作记忆双任务,每个任务有效完成3次。使用Kistler三维测力台采集足底压力中心数据,测试指标包括认知行为学指标(认知得分与反应时长)、动力学指标(压力中心位移及样本熵)。结果与结论:①轻度认知障碍老年人在执行空间工作记忆任务时认知得分最大、反应时间最短,双脚平衡站立-空间工作记忆双任务居中,Romberg站立-空间工作记忆双任务认知得分最小、反应时长最长,任务间比较差异均有显著性意义(P0.05);在两种双任务下,与认知正常老年人相比,轻度认知障碍老年人的认知得分更小、反应时长更长(P<0.05),同时轻度认知障碍老年人压力中心前后、内外方向位移更大,压力中心前后、内外方向位移样本熵值更小(P<0.05);④结果表明:与认知正常老年人相比,轻度认知障碍老年人在执行双任务时姿势控制复杂度降低,系统适应性较差,自动调控能力下降,更容易受到空间工作记忆干扰,跌倒风险增大。

关键词：轻度认知障碍老年人空间工作记忆姿势控制双任务样本熵

A Transversely Isotropic Magne to -Elec tro-Elastic Circular Kirchhoff Plate Model Incorporating Microstructure Effect

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Acta Mechanica Solida Sinica 2022年第2期35卷 185-197页

作者： Wei Shen Gongye Zhang Shuitao Gu yu cong School of Civil Engineering Chongqing UniversityChongqing 400044China Jiangsu Key Laboratory of Engineering Mechanics School of Civil EngineeringSoutheast UniversityNanjing 210096China LMEE University Paris-SaclayUniv Evry91020EvryFrance

A non-classical model for transversely isotropic magneto-electro-elastic circular Kirchhoff plates is established based on the extended modified couple stress *** Gibbs-type variational principle is used to obtain the governing equations and boundary cond计*** illustrate the newly derived model,the static bending problem of a clamped circular plate subjected to a uniformly distributed constant load is solved numerically by Fourier-Bessel *** numerical results show that the values of transverse displacement,electric and magnetic potentials predicted by the current model are always smaller than those of the classical model,and the differences are diminishing as the plate thickness *** addition,it is shown that the magneto-electro-elastic coupling effect plays an important role in the transverse displace-ment,elec trie pot ential and magnetic pot ential of the magne to-elec tr o-elastic circular Kirchhoff ***,several reduced specific models are provided for simpler cases.

关键词： Circular Kirchhoff plate Magneto-electro-elastic plate Microstructure effect Couple stress theory Static bending

Synthesis and Bacteriostatic Activity and Antifouling Capability of Benzamide Derivatives Containing Capsaicin

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Chemical Research in Chinese Universities 2011年第5期27卷 803-807页

作者： cong Wei-wei yu Liang-min Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education Ocean University of China Qingdao 266100 P. R. China

Five benzamide deriatives containing capsaicin were synthesized which have similar structures to capsaicin. Their yield was high. The monomers synthesized were characterized by IR, 1H NMR and MS spectroscopy. Cha-racterization data are in agreement with the proposed structures of the products. These five compounds exhibit bacterial inhibition and N-[4-hydroxy-2-methyl-5-（methylthio）benzyl]benzamide（HMMBBA）, for instance, shows that the minimal inhibitory concentrations（MIC） of HMMBBA are 0.125 and 0.25 mg/mL on Staphyloccocus aureus and Escherichia coli, respectively. A static test site was set up in the eighth harbor to investigate the antifouling effectiveness of the five new antifoulants. Five-month exposure experiments were performed on sets of panels coated with each of antifouling coatings, and the results were compared to that of the test panel without antifouling coating. Test boards with antifouling coating were covered with just a macroscopic fouling organism such as Balanus. The results of the present paper demonstrate that new antifoulants represent an alternative to the biocidal antifouling paint.

关键词： Benzamide derivative containing capsaicin Bacterium-inhibition Antifoulant property