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World Journal of cardiology 2024年第10期16卷 564-573页

作者： Qin Jiang Tao Yu Ke-Li huang Ke Liu Xi Li Sheng-Shou Hu Department of cardiac Surgery Sichuan Provincial People’s HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610072Sichuan ProvinceChina cardiac Surgery center Sichuan Academy of Medical Sciences&Sichuan Provincial People’s HospitalChengdu 610072Sichuan ProvinceChina

BAcKGROUND Arterial cannulation sites for the surgical repair of type A aortic dissection(AAD)have evolved from right axillary artery(AA)cannulation to bilateral carotid artery(cA)based of femoral artery(FA)*** descending aorta remodeling is closely linked to the false lumen area ratio(FLAR),defined as false lumen area/aortic area,as well as to the incidence of renal replacement therapy(RRT).AIM To investigate the effect of the updated arterial cannulation strategy on descending aortic *** A total of 443 AAD patients who received FA combined cannulation between March 2015 and March 2023 were included in the *** these,209 received right AA cannulation and 234 received bilateral cA *** primary outcome was the change in FLAR,as calculated from computed tomography angiography in three segments of the descending aorta:Thoracic(S1),upper abdominal(S2),and lower abdominal(S3).Secondary outcomes were the incidence of RRT and the serum inflammation response,as observed by the levels of high sensitivity c reaction protein(hs-cRP)and Interleukin-6(IL-6).RESULTS The postoperative/preoperative ratio of FLAR in S2 and S3 was higher in the AA group compared to the cA group(S2:0.80±0.08 vs 0.75±0.07,Pctively).The AA group also had a significantly higher incidence of RRT(19.1%vs 8.5%,P=0.001;odds ratio:2.533,95%cI:1.427-4.493)and higher levels of inflammation cytokines 24 h after the procedure[hr-cRP:117±17 vs 104±15 mg/L;IL-6:129(103,166)vs 83(69,101)pg/mL;both Pcompared to the cA *** The cA cannulation strategy was associated with better abdominal aorta remodeling after AAD repair compared to AA cannulation,as observed by a greater change in FLAR and lower incidence of RRT.

关键词： Acute type A aortic dissection Bilateral carotid arterial cannulation Descending aortic remodeling False lumen area ratio Prognosis

Effect of c/N Ratio,Temperature,pH on Autotrophic Denitrification Rate with Hydrogen Gas,Iron(Ⅱ) and Sodium Sulfide as Electron Donors

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Journal of Harbin Institute of Technology(New Series) 2016年第1期23卷 90-96页

作者： Junfeng Su Sicheng Shao Tinglin huang Fang Ma Gang Wen Shengchen Zheng Kai Zhang School of Environmental and Municipal Engineering Xi'an University of Architecture and Technology State Key Laboratory of Urban Water Resource and Environment School of Municipal and Environmental EngineeringHarbin Institute of Technology

Nitrate is considered to be one of the most widely present pollutants leading to eutrophication of environment. The purpose of this work was to isolate and identify new anaerobic denitrifying bacteria from reservoir sediments and utilize different electron donors for isolates to improve nitrate removal efficiency. Using traditional enrichment approach,one purified anaerobic bacterium( Y12) capable of NO-3-N removal from sediments was obtained. The species identity of Y12 was determined via 16 S rRNA gene sequence analysis to be Acinetobacter. In this work,the fastest denitrification rates were observed with ferrous iron as electron ***,slightly slower rates were observed with hydrogen and sodium sulfide as electron donors. However,when used hydrogen gas, ferrous iron and sodium sulfide as electron donors, c / N ratios had little effect on autotrophic denitrification rate at the initial c / N ratio from 1.5 to 9.0. Meanwhile,when made use of hydrogen gas,ferrous iron and sodium sulfide as electron donors,a maximum nitrate removal ratio of 100.00%,91.43%and 87.99% at the temperature of 30 ℃,respectively. Moreover,maximum denitrification activity was observed at p H 6.0-7.0.

关键词： eutrophication electron donor nitrate Acinetobacter sp autotrophic denitrification

c301 Supersonic Anti-ship Missile

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Aerospace china 1993年第2期 22-25页

作者： Jiang Junliang, huang Taian

This article introduces the components, major features and combat effectiveness of china’s c301 anti-ship missile weapon system. With very low altitude and supersonic speed, the c301 missile has very high penetration... 详细信息

关键词： missile weapon supersonic penetration defense altitude combat battery firing stabilization

Insights into the Reaction Network and Mechanism of Green Aerobic Oxidative Esterification of Methacrolein over Different Heterogeneous catalysts

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china Petroleum Processing & Petrochemical Technology 2021年第3期23卷 1-11页

作者： Li chenhao Xia changjiu Liu Yujia huang Kaimeng Peng Xinxin Liu Jinsheng Lin Min Zhu Bin Luo Yibin Shu Xingtian State Key Laboratory of catalytic Materials and Reaction Engineering Research Institute of Petroleum ProcessingSINOPECBeijing 100083

The oxidative esterification of methacrolein(MAL)is an important way to prepare high-valued methyl methacrylate(MMA),but this process is ultra-complex due to the high reactivity of both c=O and c=c bonds in MAL *** order to further improve MMA selectivity,the reaction network and relevant mechanisms have been proposed and profoundly investigated in this *** kinds of fundamental reactions are involved in this process,including(a)the acetal reaction;(b)the aerobic oxidation of hemiacetal;(c)the alkoxylation of c=c double bond;(d)the Diels-Alder reaction;and(e)the hydrogenation reaction of unsaturated double *** them,the Diels-Alder reaction of MAL is non-catalyzed,and the Brönsted acid sites or the Lewis acid sites favor promoting acetal reaction of MAL with methanol,while the alkoxylation of c=c bond with methanol is enhanced under alkaline *** particular,by employing the Pd-based catalysts,hydrogenation products are formed in alkaline methanol solution,hence with lower than those obtained by the Au-based ***,it is necessary to match the hemiacetal fromation and aerobic oxidation of hemiacetal,which is relevant with the amount and strength of acid and redox ***,this work can provide a good guidance for the further design of both catalysts and processes in future.

关键词： methacrolein oxidative esterification mechanism reaction network methyl methacrylate

Wireless Autonomous Soft crawlers for Adjustable climbing Actuation

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chinese Journal of Polymer Science 2023年第3期41卷 405-413,I0008页

作者： Lei Tian Ji-Ji Tan Wei-Liang Dong Bo Yang cui-Hua Li Dai Wang Hai-Yu huang Xin-Tong Li cai-Zhen Zhu Jian Xu Institute of Low-Dimensional Materials Genome Initiative College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060China

Artificial soft actuators,featured with non-equilibrium internal circumstance and fast,programmable shape transformations,have attracted strong research interest recently due to their flexibility,highly controllable,and ***,wireless soft actuators,achieving the locomotion on different large slopes with multiple energy conversion,have been rarely ***,we create a asymmetric bilayer strategy to construct autonomous soft crawler via“breathing”moisture to motivate the mechanical *** soft crawlers present conspicuous performances including periodic tumbler locomotion predicted via improved Timoshenko’s equation,multiple reversible shape-morphing(circle,helix,despiralization,etc.)determined by their fiber orientation,controlled drive mode(front drive and rear drive)and rapid climb speed(4.76 cm/min)at wide slope *** architecture design,they can be series-wound or shunt-wound to construct multijoint complex *** climbing,a intelligent soft ring-pull with admirable cycle performance for preventing overheating or something untouchable,has been *** soft crawlers also realize multiple energy conversion to be actuated by light *** envision that this soft crawler system has an enormous potential in intelligent machine,microscopic diagnosis and treatment,biosensing,energy harvesting and conversion.

关键词： Soft crawler Tumbler locomotion Reversible shape-morphing Autonomous Energy conversion

Operations management 8th ed.

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Endoplasmic-reticulum-like catalyst coating on separator to enhance polysulfides conversion for lithium-sulfur batteries

丛书名： The McGraw-Hill/Irwin series operations and decision sciences

2005年

作者： william J. Stevenson

ISBN: (数字)0072869054

ISBN: (纸本)0071112189

Operations Management, 7/e surveys the field of operations in both the services and manufacturing sectors. Provides enhanced coverage from the strategies of designing a product or service, through the processes and systems of making and delivering the product, and controlling the operations. All the standard topics are covered with concepts and supporting examples, problems, cases, and appropriate current news clips and readings. Stevenson highlights the very important role Operations plays in today's business world with concise coverage of concepts such as JIT, TQM, supply chain management with more thorough integration of services and increased use of real world examples. All basic quantitative techniques are presented, many in supplements that can be highlighted or bypassed depending on the course structure, and all are supported with step-by-step examples and solved problems, many including example solutions built into Excel spreadsheets.

关键词： Production management.

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Journal of Energy chemistry 2022年第4期31卷 423-431页

作者： Sai-Nan Xu Teng Zhao Li-Li Wang Yong-Xin huang Yu-Sheng Ye Nan-Xiang Zhang Tao Feng Li Li Feng Wu Ren-Jie chen Beijing Key Laboratory of Environmental Science and Engineering School of Material Science&EngineeringBeijing Institute of TechnologyBeijing 100081China Institute of Advanced Technology Beijing Institute of TechnologyJinan 250300ShandongChina collaborative Innovation center of Electric Vehicles in Beijing Beijing 100081China

Lithium-sulfur(Li-S)batteries with high theoretical specific energy of 2600 Wh kg^(-1) are one of promising candidates for next-generation energy storage ***,the severe shuttle effect of intermediate polysulfides leads to rapid capacity decay during battery cycling,especially at high sulfur loading and high current ***,the MnO nanoparticles covered carbon with endoplasmic-reticulum-like structure(MnO@ERc)as separator coating for Li-S batteries is *** MnO@ERc coating can act as upper current collector to enhance electrical conductivity of cathode and decrease the interface impedance of the whole *** importantly,both the polar MnO nanoparticles and Mn_(3)O_(4) formed at the end of the charging process can catalyze the conversion of lithium polysulfides,which is convinced by the high adsorption energy and the elongate S–S *** a result,Li-S batteries based on MnO@ERc coating separator showed stable cycle for 350 cycles under 0.5c,high discharge specific capacity of 783.6m Ah g^(-1) after 100 cycles at 0.2 c,534.7 m Ah g^(-1) after 100 cycles under the sulfur loading of 5.26 mg cm;and low self-discharge rate of 9.1%after resting 48 h..

关键词： MnO/carbon catalysis Endoplasmic-reticulum-like structure Separator coating Lithium-sulfur batteries

Radiology education in Europe: Analysis of results from 22 European countries

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World Journal of Radiology 2017年第2期9卷 55-62页

作者： Bhavya Rehani Yi c Zhang Madan M Rehani András Palkó Lawrence Lau Miriam N Mikhail Lette william P Dillon Department of Radiology and Biomedical Imaging University of California Department of Radiology Massachusetts General Hospital Harvard Medical School Department of Radiology University of Szeged consultant Diagnostic Radiologist RAD-AID International

AIMTo assess the state of radiology education across Europe by means of a survey *** comprehensive 23-item radiology survey was distributed via email to the International Society of Radiology members, national radiological societies, radiologists and medical physicists. Reminders to complete the survey were sent and the results were analyzed over a period of 4 mo (January-April 2016). Survey questions include length of medical school and residency training; availability of fellowship and subspecialty training; number of residency programs in each country; accreditation pathways; research training; and medical physics education. Descriptive statistics were used to analyze and summarize *** residency training ranges from 2-6 years with a median of 5 years, and follows 1 year of internship training in 55% (12 out of 22) European countries. Subspecialty fellowship training is offered in 55% (12 out of 22) European countries. Availability for specialization training by national societies is limited to eight countries. For nearly all respondents, less than fifty percent of radiologists travel abroad for specialization. Nine of 22 (41%) European countries have research requirements during residency. The types of certifying exam show variation where 64% (14 out of 22) European countries require both written and oral boards, 23% (5 out of 22) require oral examinations only, and 5% (1 out of 22) require written examinations only. A degree in medical physics is offered in 59% (13 out of 22) European countries and is predominantly taught by medical physicists. Nearly all respondents report that formal examinations in medical physics are *** learning experiences across the continent will help guide the development of comprehensive yet pragmatic infrastructures for radiology education and collaborations in radiology education worldwide.

关键词： Radiology education European radiology survey Radiology training Residency Radiology research

2D Nb_(2)cT_(x) MXene/MoS_(2) heterostructure construction for nonlinear optical absorption modulation

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Opto-Electronic Advances 2023年第10期6卷 6-16页

作者： Yiduo Wang Yingwei Wang Yulan Dong Li Zhou Jianlong Kang Ning Wang Yejun Li Xiaoming Yuan Zhengwei Zhang Han huang Mengqiu Long Si Xiao Jun He Hunan Key Laboratory of Nanophotonics and Devices School of Physics and ElectronicsCentral South UniversityChangsha 410083China Key Laboratory of Hunan Province for Statistical Learning and Intelligent computation School of Mathematics and StatisticsHunan University of Technology and BusinessChangsha 410205China.

Two-dimensional(2D)nonlinear optical mediums with high and tunable light modulation capability can significantly stimulate the development of ultrathin,compact,and integrated optoelectronics devices and photonic elements.2D carbides and nitrides of transition metals(MXenes)are a new class of 2D materials with excellent intrinsic and strong light-matter interaction ***,the current understanding of their photo-physical properties and strategies for improving optical performance is *** address this issue,we rationally designed and in situ synthesized a 2D Nb_(2)c/MoS_(2) heterostructure that outperforms pristine Nb2c in both linear and nonlinear optical *** agreement between experimental and theoretical results demonstrated that the Nb_(2)c/MoS_(2) inherited the preponderance of Nb_(2)c and MoS_(2) in absorption at different wavelengths,resulting in the broadband enhanced optical absorption *** addition to linear optical modulation,we also achieved stronger near infrared nonlinear optical modulation,with a nonlinear absorption coefficient of Nb_(2)c/MoS_(2) being more than two times that of the pristine Nb_(2)*** results were supported by the band alinement model which was determined by the X-ray photoelectron spectroscopy(XPS)experiment and first-principal theory *** presented facile synthesis approach and robust light modulation strategy pave the way for broadband optoelectronic devices and optical modulators.

关键词： MXenes optical properties modulation in situ growth carriers transfer nonlinear optical absorption