检索结果-南通市图书馆

Nasal Tip-Columella Subunits Infrastructural Reconstruction: 10th Rib Cartilage Graft Operative Technique

在线全文

学校读者我要写书评

暂无评论

International Journal of Otolaryngology and Head & Neck Surgery 2025年第1期14卷 47-56页

作者： Wenbo Huang Takkun chow Sikkuen chow Yangliu Liao Division of Plastic and Reconstructive Surgery Department of Surgery The University of Hong Kong-Shenzhen Hospital Shenzhen China Department of Surgery The University of Hong Kong Hong Kong China Hong Kong Holistic Cleft Lip & Palate Center Hong Kong China

Background: Reconstruction of Nasal Tip Columella (NTC) subunits is one of the most challenging aspects in functional aesthetic rhinoplasty. Moreover, racial variation for Asian nose rhinoplasty could even demand sophistication of tip and columella strut graft infrastructure enhancement. Various autogenous graft options such as 6th costal cartilage, septal cartilage and conchal cartilage are very commonly considered whilst the 10th costal cartilage is scarcely reported. Objective and Method: The purpose of this manuscript is to illustrate the detailed operative steps to harvest the 10th costal cartilage for infrastructural grafting at NTC subunits by a case illustration. The pros and cons of different cartilage options will be discussed, particularly its application in cleft nose rhinoplasty in Chinese patient. We have adopted the 10th rib as the key option for NTC reconstruction in 11 cases of Chinese cleft secondary rhinoplasty since 2019 and have achieved good and stable results without complications. Conclusion: The 10th costal cartilage is one of the best options in Nasal Tip Columella subunits reconstruction, particularly in complex cleft nose or failure revision aesthetic rhinoplasty cases, due to its safety of harvesting, and the sufficient quality and quantity of grafting materials it provides for simultaneous adjunctive augmentation purpose.

关键词： Nasal Tip Columella Rhinoplasty 10th Rib Cartilage Cleft Chinese

9-Year Clinical Audit on Complications of Cleft Lip and Palate Charity Surgeries in China Shenzhen Area

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Otolaryngology and Head & Neck Surgery 2025年第1期14卷 19-28页

作者： Yangliu Liao Takkun chow Sikkuen chow Wenbo Huang Deheng Chen Huizhi Zeng Division of Plastic and Reconstructive Surgery Department of Surgery The University of Hong Kong-Shenzhen Hospital Shenzhen China Department of Surgery The University of Hong Kong Hong Kong China

Background: In developing countries, charity cleft surgical mission is always operated by sporadic surgical teams without systematic follow up and quality assurance. In the past few decades, many mission projects have been held regularly in China. The purpose of this audit was a retrospective analysis of a 9-year cleft lip and palate charity project operated in a tertiary hospital in China Shenzhen Area to evaluate perioperative and postoperative complications. Nevertheless, understanding the risk profile is essential for establishing a sustainable in-house cleft service in Shenzhen. Methods: A detailed analysis of hospital centralized record in the The University of Hong Kong-Shenzhen Hospital (HKUSZH) was reviewed since the first charity project held in 2015. The parameters of this audit were focused on perioperative complications including anesthesia related problems, early postoperative complications in patients who underwent primary or secondary cleft surgeries. A total of 430 consecutive admitted cases of 311 non-syndromic cleft lip & palate patients were enrolled into the charity project from June 2015 to July 2024. The main anesthesia related complications that occurred during general anesthesia were respiratory tract problems, while intraoperative complication was excessive bleeding, so as wound local infection and reaction were the main early postoperative complications. Results: In our 9-year clinical audit of 430 cleft lip and palate charity surgeries in Shenzhen, we observed no mortalities and a anesthesia-related complication rate of 1.16%. Specific intraoperative complications included excessive bleeding, while early postoperative issues were dominated by wound infections. The fistula rate of 18.7% post palate repair and the average hospital stay of 3.71 days complete the profile of our surgical outcomes. These data underscore the project’s efficacy and offer a reference for international cleft missions aiming for safe and efficient surgical care. Con

关键词： Cleft Lip Cleft Palate Charity Surgery Complication

Evolutionary prisoner＇s dilemma games with local interaction and best-response dynamics

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Frontiers of Mathematics in China 2015年第4期10卷 839-856页

作者： Yunshyoug chow Institute of Mathematics Academia Sinica Taipei Taiwan 11529 China

This paper studies the long run behavior in evolutionary prisoner＇s dilemma games. All players are assumed to sit around a circle and to interact only with their neighbors. It is known that full-defection is the unique long run equilibrium as the probability of players＇ experimentation （or mutation） tends to zero in the best response dynamics. Here, it is shown that full-cooperation could emerge in the long run if one also cares for his neighbors in the best- response dynamics.

关键词： Prisoner's dilemma game full cooperation best response localinteraction long run equilibrium parallel updating

Collaborative Distributed AC Optimal Power Flow: A Dual Decomposition Based Algorithm

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Modern Power Systems and Clean Energy 2021年第6期9卷 1414-1423页

作者： Zheyuan Cheng Mo-Yuen chow IEEE Department of Electrical and Computer Engineering North Carolina State University

We propose a dual decomposition based algorithm that solves the AC optimal power flow(ACOPF) problem in the radial distribution systems and microgrids in a collaborative and distributed manner. The proposed algorithm adopts the second-order cone program(SOCP) relaxed branch flow ACOPF model. In the proposed algorithm, bus-level agents collaboratively solve the global ACOPF problem by iteratively sharing partial variables with its 1-hop neighbors as well as carrying out local scalar computations that are derived using augmented Lagrangian and primal-dual subgradient methods. We also propose two distributed computing platforms, i. e., high-performance computing(HPC) based platform and hardware-in-theloop(HIL) testbed, to validate and evaluate the proposed algorithm. The computation and communication performances of the proposed algorithm are quantified and analyzed on typical IEEE test systems. Experimental results indicate that the proposed algorithm can be executed on a fully distributed computing structure and yields accurate ACOPF solution. Besides, the proposed algorithm has a low communication overhead.

关键词： Distributed convex optimization distributed en-ergy management system optimal power flow primal-dual de-composition

NOTES ON REFINABLE FUNCTIONS

在线全文

学校读者我要写书评

暂无评论

Journal of Computational Mathematics 1998年第4期16卷 319-326页

作者： Shi, XQ Deng, H Lin, hf Dalian Univ Technol Dept Math Dalian 116024 Peoples R China Hydraul Prospecting & Designing Inst Jilin Prov Dept Technol Changchun 130021 Peoples R China Dalian Univ Technol Dept Comp Sci Dalian 116024 Peoples R China

In this paper some properties of refinable functions and some relationships between the mask symbol and the refinable functions are studied. Especially, it is illustrated by examples that the linear spaces formed by the translates over the lattice points of refinable functions may contain polynomial spaces of deg-ree higher than the smooth order of the corresponding refinable functions.

关键词： mask symbol refinable function

Enabling Inverter-based Resource Stability Control in Power Systems with High Renewable Penetration

在线全文

学校读者我要写书评

暂无评论

CSEE Journal of Power and Energy Systems 2023年第3期9卷 1248-1250页

作者： Joe H.chow Rensselaer Polytechnic Institute TroyNY 12180-3590USA

This rapid communication provides the author’s viewpoints on the need to develop grid stability functions for inverter-based resources,in particular,controls to enhance system *** discussion will be focused on transi... 详细信息

关键词： Frequency regulation inverter control time scales transient stability

Treatment of corticosteroid-resistant ulcerative colitis with oral low molecular weight heparin

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 1999年第5期5卷 448-450页

作者： Cui hf Jiang XL Shandong Med Univ Dept Biochem Pharmaceut Jinan 250012 Peoples R China Chinese PLA Gen Hosp Jinan Command Dept Gastroenterol Jinan 250031 Peoples R China

INTRODUCTIONThe etiology and pathogenesis of ulcerative colitis (UC) have remained unclear. Treatment is nonspecific based on the anti-inflammatory agents corticosteroid and sulfasalazine. A significant proportion fail to respond to this therapy[1]. As the relapse, refractory or serious UC patients had a hypercoagulable state and an increased incidence of thromboembolic events[2-4], heparin has been used by some authors[5-7]. Yet, its half-life period is short, needing long-term injection, which restricts its further clinical application. Our previous studies have demonstrated oral LMWH not only overcomes the shortcomings of common heparin[8,9], but also has anti-inflammatory effects[10,11]. The aim of this paper is to study the therapeutic effects and mechanism of oral LMWH in patients with corticosteroid-resistant UC.

关键词： colitis ulcerative/drug therapy heparin/therapertic use corticosteroidresistant

Upper Bainite Formation Mechanism in Fe-1.36Si-1.01Cr-0.88C Steel

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 1998年第1期14卷 62-64页

作者： Liu, QS Peng, hf Gu, NJ Hebei Univ Technol Tianjin 300132 Peoples R China

In this paper it is-discussed on the mechanism of upper bainite formation. According to the results obtained in Fe-1.36Si-1.01Cr-0.88C steel, we discovered that the primary upper bainite is formed by subunits arranging along its long axis and steps are formed by subunits growing into different size-along the thickness, the macro-plane of the primary upper bainite plate is the same as the basal plane (shear plane), the formation mechanism of the primary upper bainite plate is the nucleation-growth mechanism of subunits shearing one by one along long axis, controlled by diffusion.

关键词： Steel

Heteroaggregation between porphyrin and phthalocyanine bearing oppositely charged substituents

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 1995年第3期13卷 223-230页

作者： MAO, hf TIAN, HJ XU, HJ CHINESE ACAD SCI INST PHOTOG CHEMBEIJING 100101PEOPLES R CHINA

Heteroaggregates composed of cationic porphyrin, meso-tetra(p-trimethylamino)porphyrin iodide, its sine complex and anionic phthalocyanine sodium hydroxygallium 4,4',4 '',4 ''-tetrasulfonated phthalocyanine have been investigated by absorption and fluorescence spectroscopy. It has been found that both free base cationic porphyrin and its zinc complex can form very stable heterodimers with anionic phthalocyanine in water, methanol and dimethylformamide. The stability of the aggregate depends on the polarity as well as the ligation ability of the solvent. No evidence of higher aggregates was detected. Besides axial coordination, steric hindrance which influences the relative orientation of the macrocycles are considered.

关键词： PORPHYRIN PHTHALOCYANINE HETEROAGGREGATION