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东北水利水电 2024年第7期42卷 4-6页

作者：熊建武中国葛洲坝集团第一工程有限公司湖北宜昌443002

混凝土的质量决定了水电站的质量,是安全和质量控制的重中之重。文中通过对柬埔寨某水电站拌和系统设计的描述,对混凝土供应量和拌和系统生产能力进行分析,介绍了拌和系统的配置,其经验可为类似水电站拌和系统设计提供参考。

关键词：水电站拌和系统设计混凝土柬埔寨

Management of centrally located hepatocellular carcinoma:Update 2016

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World Journal of Hepatology 2017年第13期9卷 627-634页

作者： Wei-Bo Yu Andrew Rao Victor Vu Lily Xu jian-Yu Rao jian-xiong wu Department of Pathology and Laboratory Medicine David Geffen School of MedicineUniversity of California at Los Angeles the College of Letters and Science University of California at Davis Chemistry Department Wellesley College Department of Hepatobiliary Surgery National Cancer Center/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical College

Centrally located hepatocellular carcinoma(HCC)is sited in the central part of the liver and adjacent to main hepatic vascular *** special location is associated with an increase in the difficulty of surgery,aggregation of the recurrence disease,and greater challenge in disease *** review summarizes the evolution of our understanding for centrally located HCC and discusses the development of treatment strategies,surgical approaches and recurrence prevention *** improve patient survival,a multi-disciplinary modality is greatly needed throughout the whole treatment period.

关键词： Centrally located hepatocellular carcinoma Hepatectomy Combined treatment Hepatic vascular occlusion

Hepatocellular adenoma with malignant transformation in male patients with non-cirrhotic livers

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Chinese Journal of Cancer 2015年第5期34卷 217-224页

作者： Song-Lin An Li-Ming Wang Wei-Qi Rong Fan wu Wei Sun Wei-Bo Yu Li Feng Fa-Qiang Liu Fei Tian jian-xiong wu Department of Abdominal Surgery Cancer Institute and HospitalChinese Academy of Medical Sciences and Peking Union Medical College Department of Pathology Cancer Institute and HospitalChinese Academy of Medical Sciences and Peking Union Medical College

Introduction:Hepatocellular adenomas(HCAs),with a risk of malignant transformation into hepatocellular carcinoma(HCQ,classically develop in young women who are taking oral *** is now clear that HCAs may also occur in ***,it is rarely reported that HCAs with malignant transformation occur in male patients with non-cirrhotic *** study aimed to characterize the malignancy of HCAs occurring in male ***:All patients with HCAs with malignant transformation who underwent hepatectomy at the Cancer Institute and Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College between January 1,1999 and December 31,2011 were enrolled in the *** clinical characteristics as well as radiologic and pathologic data were ***:HCAs with malignant transformation were observed in 5 male patients with non-cirrhotic livers,but not in female *** alpha-fetoprotein(AFP) levels were higher in patients with HCAs with malignant transformation than in patients with HCAs without malignant *** diameters of the tumors with malignant transformation were larger than 5 cm in 3 cases and smaller than 5 cm in 2 *** 5 patients were all alive without recurrence by the end of the study *** disease-free survival times of the 5 patients were 26,48,69,69,and 92 ***:Our results indicate that resection would be advised even if the presumptive diagnosis is adenoma smaller than 5 cm in diameter,especially in male patients.

关键词：恶性转化肝硬化患者胞腺恶性肿瘤化合物肝细胞癌肿瘤医院

Research progress regarding programmed cell death 1/programmed cell death ligand 1 inhibitors combined with targeted therapy for treating hepatocellular carcinoma

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World Journal of Gastrointestinal Surgery 2021年第10期13卷 1136-1148页

作者： Lin-Lin Zheng Chang-Cheng Tao Zong-Gui Tao Kai Zhang An-Ke wu jian-xiong wu Wei-Qi Rong Department of Hepatobiliary Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China Department of Imaging Jinan City People's HospitalShandong First Medical UniversityJinan 271199Shandong ProvinceChina

In recent years,a number of targeted therapeutic agents have achieved success in phase III trials in patients with advanced hepatocellular carcinoma(HCC),including sorafenib,lenvatinib,and *** is considered to be an effective treatment for advanced *** checkpoint inhibitors targeting programmed cell death 1(PD-1)/programmed cell death ligand 1(PDL1)are important antitumor immunotherapy agents that represent breakthroughs in the treatment of advanced ***,treating advanced HCC is still a great challenge,and the need for new treatments remains *** review briefly summarizes the research progress in the use of PD-1/PD-L1 inhibitors combined with targeted therapy for treating HCC.

关键词： Programmed cell death 1/programmed cell death ligand 1 inhibitors Targeted therapy Hepatocellular carcinoma Programmed cell death 1 Programmed cell death ligand 1

Effect of stress-relief annealing on thermal fatigue cracks for die-casting die steels

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Journal of Iron and Steel Research International 2024年第5期31卷 1164-1176页

作者： Zhi-xiong Bai Xiao-chun wu School of Materials Science and Engineering Shanghai UniversityShanghai200444China

The effect of stress-relief annealing at different stages of thermal fatigue tests on crack growth was investigated using a self-built thermal cycle *** results showed that annealing could limit crack expansion *** reduced dislocation density and released the accumulation of residual *** addition,the strain accumulation in carbides was reduced by this *** was also found that double annealing was even more effective at inhibiting crack expansion compared to single stress-relief *** 1000 cycles,the maximum crack length was reduced by 31.1%and 45.2%for the samples after using the optimal single and double annealing processes,*** single stress-relief annealing,earlier annealing provides more benefit in delaying crack ***,effective double stress-relief annealing requires a suitable time interval between the annealing ***,after 800 cycles,surface hardness decreased significantly accompanied by an increase in the size and number of carbides,and cracks expanded predominantly along grain boundaries.

关键词： Thermal fatigue Steel Carbide Stress-relief annealing Dislocation Residual stress

Ca and Sr co-doping induced oxygen vacancies in 3DOM La_(2-x)Sr_(x)Ce_(2-y)CayO_(7-δ)catalysts for boosting low-temperature oxidative coupling of methane

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Journal of Energy Chemistry 2024年第4期91卷 331-344页

作者： Tongtong wu Yuechang Wei Jing xiong Yitao Yang Zhenpeng Wang Dawei Han Zhen Zhao jian Liu State Key Laboratory of Heavy Oil Processing China University of PetroleumBeijing 102249China Key Laboratory of Optical Detection Technology for Oil and Gas China University of PetroleumBeijing 102249China

It is urgent to develop catalysts with application potential for oxidative coupling of methane(OCM)at relatively lower ***,three-dimensional ordered macro porous(3 DOM)La_(2-x)Sr_(x)Ce_(2-y)CayO_(7-δ)(A_(2)B_(2)O_(7)-type)catalysts with disordered defective cubic fluorite phased structure were successfully prepared by a colloidal crystal template method.3DOM structure promotes the accessibility of the gaseous reactants(O2and CH4)to the active *** co-doping of Ca and Sr ions in La_(2-x)Sr_(x)Ce_(2-y)CayO_(7-δ)catalysts improved the formation of oxygen vacancies,thereby leading to increased density of surface-active oxygen species(O_(2)^(-))for the activation of CH4and the formation of C2products(C2H6and C2H4).3DOM La_(2-x)Sr_(x)Ce_(2-y)CayO_(7-δ)catalysts exhibit high catalytic activity for OCM at low temperature.3DOM La1.7Sr0.3Ce1.7Ca0.3O7-δcatalyst with the highest density of O_(2)^(-)species exhibited the highest catalytic activity for low-temperature OCM,i.e.,its CH4conversion,selectivity and yield of C2products at 650℃are 32.2%,66.1%and 21.3%,*** mechanism was proposed that the increase in surface oxygen vacancies induced by the co-doping of Ca and Sr ions boosts the key step of C-H bond breaking and C-C bond coupling in catalyzing low-temperature *** is meaningful for the development of the low-temperature and high-efficient catalysts for OCM reaction in practical application.

关键词： 3DOM catalysts Ca ions Sr ions Low-temperature oxidative couplingof methane Oxygen vacancies O_(2)^(-) species

Hole mobility enhancement in monolayer WSe2 p-type transistors through molecular doping

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Science China(Information Sciences) 2024年第6期67卷 207-213页

作者： Shiyuan LIU xiong xiong Xin WANG Xinhang SHI Ru HUANG Yanqing wu School of Integrated Circuits and Beijing Advanced Innovation Center for Integrated Circuits Peking University wuhan National High Magnetic Field Center and School of Integrated Circuits Huazhong University of Science and Technology

Two-dimensional （2D） transition metal dichalcogenide （TMDC） semiconductor materials exhibit extraordinary electrical properties,holding promise for the realization of next-generation complementary metal-oxide-semiconductor （CMOS） devices at ultimate ***,constrained by effective device doping strategies,the hole mobility and device performance of tungsten diselenide （WSe2） p-type transistors,especially monolayer chemical vapor deposition （CVD）-grown WSe2,have not met *** this paper,an effective performance enhancement of monolayer WSe2p-type transistor was achieved through a molecular doping *** monolayer WSe2directly on SiO2back-gated substrates and leveraging energy band alignment design,4-nitrobenzenediazonium tetrafluoroborate （4-NBD） molecular dopant with a concentration of 10 m M was utilized to modulate the Fermi level position of monolayer WSe2for hole *** devices demonstrated a more than 98%increase in hole mobility,reaching up to 97 cm2·V-1·s-1while maintaining the current on/off ratio of *** p-type WSe2transistors with 1μm channel length exhibit a high drive current surpassing 176μA·μm-1,exceeding previous CVD-WSe2devices with similar channel *** straightforward and effective approach to improving the electrical performance of WSe2transistors paves the way for advanced logic technologies based on transition metal dichalcogenide semiconductors.

关键词： CVD-grown WSe$_2$ molecular doping 4-NBD p-type transistors hole mobility

Treatment of 78 Cases of Shoulder Periarthritis by Warming-needle Method

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Journal of Acupuncture and Tuina Science 2003年第5期1卷 47-48页

作者： LI jian-wu xiong Yuan-yin wu Xue-fei Acup-moxi Department of TCM Hospital of wuhan City Hubei China 430014 Acup-moxi Department of TCM Hospital of Wuhan City Hubei China 430014

jiansanzhen, Tianzong (SI 11), Jugu (LI 16), jianzhen (SI 9), Binao (LI 14) and Quchi (LI 11) were given warming-needle moxibustion to treat shoulder periarthritis in 78 cases, and the result showed total effective rate was 97.4%. Key Words Warming-needle therapy - Shoulder joint - Inflammation Author: LI jian-wu (1955-), male, junior consultant doctorTranslator: wu Xue-fei

关键词： Warming-needle therapy Shoulder joint Inflammation

Phase-field lattice-Boltzmann study on fully coupled thermal-solute-convection dendrite growth of Al-Cu alloy

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China Foundry 2024年第2期21卷 125-136页

作者： Yin-qi Qiu Meng-wu wu Xun-peng Qin Shou-mei xiong Hubei Key Laboratory of Advanced Technology for Automotive Components Wuhan University of TechnologyWuhan 430070China Hubei Longzhong Laboratory Xiangyang 441000HubeiChina School of Materials Science and Engineering Tsinghua UniversityBeijing 100084China

Dendrite growth is a complex liquid-solid phase transition process involving multiple physical factors.A phase-field lattice-Boltzmann method was developed to simulate the two-and three-dimension dendrite growth of Al-Cu *** effect of fully coupled thermal-solute-convection interaction on the dendrite growth was investigated by incorporating a parallel-adaptive mesh refinement algorithm into the numerical *** accurately reproducing the latent heat release,solute diffusion and convective transport behaviors at the liquidsolid interface,the interaction mechanism among thermal-solute-convection transport as well as their coupling effects on the dendrite growth dynamics were *** simulation results show that the release of latent heat slows down the dendrite growth rate,and both natural and forced convection disrupt the symmetrical growth of *** combination makes the growth of dendrites more complex,capturing important physical aspects such as recalescence,dendrite tip splitting,dendrite tilting,dendrite remelting,and solute plume in the simulation *** on the robustness and powerful ability of the numerical model,the formation mechanisms of these physical aspects were revealed.

关键词： simulation phase field dendrite growth thermal-solute-convection interaction

Spin transport of half-metal Mn_(2)X_(3) with high Curie temperature:An ideal giant magnetoresistance device from electrical and thermal drives

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Frontiers of physics 2024年第4期19卷 125-135页

作者： Bin Liu Xiaolin Zhang Jingxian xiong Xiuyang Pang Sheng Liu Zixin Yang Qiang Yu Honggen Li Sicong Zhu jian wu Hubei Province Key Laboratory of Systems Science in Metallurgical Process The State Key Laboratory for Refractories and MetallurgyCollaborative Innovation Center for Advanced SteelsInternational Research Institute for Steel TechnologyWuhan University of Science and TechnologyWuhan 430081China Key Laboratory of Artificial Micro-and Nano-structures of Ministry of Education and School of Physical and Technology Wuhan UniversityWuhan 430072China College of Advanced Interdisciplinary Studies Nanhu Laser LaboratoryNational University of Defense TechnologyChangsha 410073China Department of Mechanical Engineering National University of SingaporeSingapore 117575Singapore i-Lab&Key Laboratory of Nanodevices and Applications&Key Laboratory of Nanophotonic Materials and Devices Suzhou Institute of Nano-Tech and NanoBionicsChinese Academy of SciencesSuzhou 215123China Institute of Optical Science and Technology School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China

Currently,magnetic storage devices are encountering the problem of achieving lightweight and high integration in mobile computing devices during the information *** a result,there is a growing urgency for twodimensional half-metallic materials with a high Curie temperature(TC).This study presents a theoretical investigation of the fundamental electromagnetic properties of the monolayer hexagonal lattice of Mn_(2)X_(3)(X=S,Se,Te).Additionally,the potential application of Mn_(2)X_(3) as magneto-resistive components is *** three of them fall into the category of ferromagnetic *** particular,the Monte Carlo simulations indicate that the TC of Mn2S3 reachs 381 K,noticeably greater than room *** findings present notable advantages for the application of Mn2S3 in spintronic ***,a prominent spin filtering effect is apparent when employing non-equilibrium Green’s function simulations to examine the transport *** resulting current magnitude is approximately 2×10^(4) nA,while the peak gigantic magnetoresistance exhibits a substantial value of 8.36×10^(16)%.It is noteworthy that the device demonstrates a substantial spin Seebeck effect when the temperature differential between the electrodes is *** brief,Mn_(2)X_(3) exhibits outstanding features as a highTC half-metal,exhibiting exceptional capabilities in electrical and thermal drives spin ***,it holds great potential for usage in spintronics applications.

关键词： half-metals Mn_(2)X_(3) high Curie temperature electrical and thermal GMR