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7篇 您的检索式:作者名="QIU Jihong"
    题名 作者 年代 出处 被引量
1Optimization design of chiral hexagonal honeycombs with prescribed elastic properties under large deformation显示文摘Flexible chiral honeycomb cores generally exhibit nonlinear elastic properties due to large geometric deformation.The effective elastic moduli and Poisson's ratio typically vary with an increase in deformation.Here,the size and shape optimization of the chiral hexagonal honeycombs was performed to keep the Young's moduli and Poisson's ratio unchanged under large deformations.The size of the honeycomb unit cell and the position coordinates of the key points were defined simultaneously as design variables.The equivalent Young's modulus and Poisson's ratio of chiral honeycombs were calculated through geometric nonlinear analysis.The objective was to minimize the allowable tolerance between the prescribed and actual properties within the range of the target strain.A genetic algorithm was then adopted.The optimal results demonstrate that the chiral honeycombs can maintain effective elastic properties that do not vary under large deformation.These results are meaningful to morphing aircraft designs.Kepeng QIU Ruoyao WANG Jihong ZHU Weihong ZHANG 2020Chinese Journal of Aeronautics2020,33,3:3
2Comparison of the Physicochemical Characteristics of Pinus koraiensis L. Nut Oils from Different Extraction Technologies显示文摘In this study, the physicochemical properties, fatty acid profiles, and tocopherol compositions of Pinus koraiensis L.nut oils were evaluated, and the impact of different extraction technologies on the overall quality of pine nut oil was assessed. All the pine nut oils had pleasant and characteristic odor and flavor of the pine nuts and the flavor of the oil from hot-pressing was strongest. The oils obtained by hexane extraction and sub-critical extraction had less deterioration, indicating hexane extraction and sub-critical extraction preserve the oil quality well. Gas chromatography showed that the predominant fatty acid was linoleic acid(45.36%–45.91%), followed by oleic acid(26.91%–27.10%), and pinolenic acid(13.33%–13.63%), respectively. The oils from hexane extraction of cold-pressed cake and sub-critical extraction were richer in tocopherols and tocotrienols, namely, 37.52 and 36.18 mg/100 g, respectively, with α-tocopherol most abundant. The pine nut oils from hexane extraction of cold-pressed cake,hexane extraction, cold pressing, and sub-critical extraction had better oxidation stability with the oxidation induction times of 6.91, 5.27, 4.96 and 4.93 h, respectively. Based on its features, P. koraiensis nut oil may have the multiple application in edible oil, cosmetic, and pharmaceutical industry. P. koraiensis can be one of the good woody candidates for closing the gap between the demand and production of vegetable oils.HOU Lixia LI Cuicui QIU Jihong 2018Grain & Oil Science and Technology2018,1,3:2
3FLEXURAL VIBRATIONS BAND GAPS IN PERIODIC BEAMS INCLUDING ROTARY INERTIA AND SHEAR DEFORMATION EFFECTS显示文摘与 phononic 晶体的想法,有周期的结构的横梁被设计。通过由二种材料组成的如此的周期的横梁的曲折颤动被学习。强调在旋转惯性的效果上被生并且砍变丑。基于颤动方程,飞机波浪扩大方法被提供。有有限结构的如此的横梁的加速频率回答被有限元素方法模仿。在计算加速频率反应曲线的锋利的落下的频率范围在对在乐队结构的那些的好同意。调查结果将在周期的横梁的申请是重要的。YU Dianlong WEN Jihong LIU Yaozong QIU Jing WANG Gang 2006Chinese Journal of Mechanical Engineering2006,19,1:1
4MicroRNA Hsa-miR-125a-3p Activates p53 and Induces Apoptosis in Lung Cancer Cells显示文摘Lili Jiang Jihong Chang Qingfu Zhang Limei Sun Xueshan Qiu 2013Cancer Investigation2013,,8:1
5The epidemiology of civilian inpatients’ burns in Chinese military hospitals, 2001–2007显示文摘Yuan Yao Yuncheng Liu Jihong Zhou Jun Qiu Liang Zhang Danfeng Yuan Liyu Zhou Zhengguo Wang Jiashun Ren Jianguo Shi 2011Burns2011,,6:1
6Stacking monolayers at will:A scalable device optimization strategy for two-dimensional semiconductors显示文摘In comparison to monolayer(1L),multilayer(ML)two-dimensional(2D)semiconducting transition metal dichalcogenides(TMDs)exhibit more application potential for electronic and optoelectronic devices due to their improved current carrying capability,higher mobility,and broader spectral response.However,the investigation of devices based on wafer-scale ML-TMDs is still restricted by the synthesis of uniform and high-quality ML films.In this work,we propose a strategy of stacking MoS_(2) monolayers via a vacuum transfer method,by which one could obtain wafer-scale high-quality MoS_(2) films with the desired number of layers at will.The optical characteristics of these stacked ML-MoS_(2) films(>2L)indicate a weak interlayer coupling.The stacked MLMoS_(2) phototransistors show improved optoelectrical performances and a broader spectral response(approximately 300-1,000 nm)than that of 1L-MoS_(2).Additionally,the dual-gate ML-MoS_(2) transistors enable enhanced electrostatic control over the stacked ML-MoS_(2) channel,and the 3L and 4L thicknesses exhibit the optimal device performances according to the turning point of the current on/off ratio and the subthreshold swing.Xiaojiao Guo Honglei Chen Jihong Bian Fuyou Liao Jingyi Ma Simeng Zhang Xinzhi Zhang Junqiang Zhu Chen Luo Zijian Zhang Lingyi Zong Yin Xia Chuming Sheng Zihan Xu Saifei Gou Xinyu Wang Peng Gong Liwei Liu Xixi Jiang Zhenghua An Chunxiao Cong Zhijun Qiu Xing Wu Peng Zhou Xinyu Chen Ling Tong Wenzhong Bao 2022Nano Research2022,15,7:0
7The applications of wearable devices in the rehabilitation of ankle injuries: A systematic review and meta-analysis显示文摘Wearable devices have been used in the treatment and rehabilitation of ankle injuries.This article systematically reviewed the trials that summarize and evaluate the effectiveness of rehabilitation treatment after an ankle injury.Three databases,PubMed(1974–2021),Embase,and Web of Science(1950–2021),were searched.The intervention was any wearable device,and the outcome measures were Activities Scale for Kids performance(ASKp),Foot and Ankle Outcome Score(FAOS),American Orthopaedic Foot and Ankle Society(AOFAS),Olerud-Molander Ankle Score(OMAS),and Circumference as measured by any validated outcome measure.Two independent authors evaluated the studies with the Cochrane risk-of-bias tool.Four papers were included,involving 476 participants,with a mean age of 29.3±6.7 years.The mean duration of wearable devices was 3.83 weeks,and the mean length of training was 3.75 weeks.Wearable devices achieved better results compared with control on the functional performance(standardized mean difference[SMD]0.66;95%confidence interval[CI]0.29 to 1.04;I^(2)=76%;P<0.001),as well as ankle score(SMD 0.78;95%CI 0.22 to 1.35;I^(2)=82%;P<0.001).The definitive judgment could not be made due to the variability in training,training duration,and outcomes measurement.Wearable devices are a promising approach that has positive effects on ankle injuries in terms of functional performance and reducing the extent of swelling.There is insufficient evidence from randomized controlled trials(RCTs)to support this for ankle injury patients using wearable devices.Therefore,there is an need for well-conducted randomized controlled trials investigating more adaptive orthoses to achieve more effective strategies for early functional rehabilitation.PROSPERO registration number:CRD42021246289.Xiaoya Wang Jihong Qiu Daniel T.P.Fong 2023Medicine in Novel Technology and Devices2023,,1:0
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