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CAUSTICS: 作品数：17被引量：27H指数：2; 导出分析报告; 相关领域：理学更多>>; 相关作者：赵雪楠杨立云杨仁树杨可更多>>; 相关机构：中国矿业大学（北京）千叶大学昆明理工大学更多>>; 相关期刊：《Acta Mechanica Solida Sinica》《Journal of Applied Mathematics and Physics》《Open Journal of Acoustics》《Frontiers of Mathematics in China》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划更多>>

Changing trends in the minimally invasive surgery for corrosive esophagogastric stricture: 《World Journal of Gastrointestinal Surgery》2023年第5期799-811,共13页Raja Kalayarasan Satish Durgesh; Esophagogastric stricture is the troublesome long-term complication of corrosive ingestion with a significant adverse impact on the quality of life.Surgery remains the mainstay of therapy in patients where endoscopic ...; 关键词：ROBOTICS LAPAROSCOPY SURGERY CAUSTICS BYPASS STRICTURE

Effect of the Relative Position with Gaussian Beam Center and Droplet Center on Optical Caustics: 《Journal of Applied Mathematics and Physics》2022年第5期1495-1508,共14页Yutong Hao; In this paper, a vector ray-tracing model (VRT) is used to simulate the optical caustic structures associated with the secondary rainbow for an ellipsoidal droplet illuminated by a Gaussian beam. The optical caustics ...; 关键词：Vector Ray-Tracing Model Optical Caustics Gaussian Beam RAINBOW

Caustics of developable surfaces: 《Frontiers of Information Technology & Electronic Engineering》2022年第3期479-487,共9页Miklos HOFFMANN Imre JUHASZ Ede TROLL; Project supported by the European Union and the European Social Fund(No.EFOP-3.6.3-VEKOP-16-2017-00002).Open Access funding provided by European Union and the European Social Fund。; While considering a mirror and light rays coming either from a point source or from infinity,the reflected light rays may have an envelope,called a caustic curve.In this paper,we study developable surfaces as mirrors....; 关键词：CAUSTICS Developable surface Reflected light rays Curve of regression

Ingestion of Caustics by Children in Brazzaville (CONGO): 《Open Journal of Pediatrics》2018年第3期283-291,共9页Lucie Charlotte Atipo-Ibara Ikobo Ollandzobo Clausina Ahoui-Apendi Jile Florient Mimiesse-Monamou Jean Robert Mabiala Babela Deby-Gassaye Blaise Irénée Atipo Ibara Jean-Rosaire Ibara; Ingestion of caustics by children is serious because of the increase in their frequency and the difficulties due to their management. Objective: To improve the management of caustic lesions in Pediatric Department at ...; 关键词：CAUSTIC LESIONS CHILD BRAZZAVILLE

Global geometrical optics method for vector-valued Schrodinger problems: 《Frontiers of Mathematics in China》2018年第3期579-606,共28页Jiashun HU Xiang MA Chunxiong ZHENG; Acknowledgements This work was supported by the National Natural Science Foundation of China （Grant Nos. 11371218, 91630205）.; We extend the theory of global geometrical optics method, proposed originally for the linear scalar high-frequency wave-like equations in [Commun. Math. Sci., 2013, 11（1）： 105-140], to the more general vector- valu...; 关键词：Global geometrical optics method Hamiltonian system unitary representation CAUSTICS semiclassical approximation

Therapeutic upper gastrointestinal tract endoscopy in Paediatric Gastroenterology被引量：14: 《World Journal of Gastrointestinal Endoscopy》2015年第3期169-182,共14页Imdadur Rahman Praful Patel Philip Boger Shahnawaz Rasheed Mike Thomson Nadeem Ahmad Afzal; Since the first report of use of endoscopy in children in the 1970 s, there has seen an exponential growthin published experience and innovation in the field. In this review article we focus on modern age therapeutic ...; 关键词：Child Pediatrics ENDOSCOPY GASTROSCOPY Intestinal polyps Hemorrhage CAUSTICS GASTROSTOMY MITOMYCIN GASTROESOPHAGEAL reflux

Caustics study of the effect of glass fibres on dynamic fracture of hardened cement paste被引量：1: 《Journal of Southeast University(English Edition)》2014年第4期475-479,共5页杨立云杨仁树赵雪楠方士正; The Ph.D.Programs Foundation of Ministry of Education of China(No.20120023120020);the National Natural Science Foundation of China(No.51404273); The reflected optical caustics method is applied to study dynamic fracture problems in hardened cement paste. First both the unreinforced cement paste and the glass fibres reinforced cement paste specimens were fabric...; 关键词：reflected optical caustics cement paste glass FIBRE dynamic fracture dynamic stress intensity factor reflected optical caustics cement paste glass FIBRE dynamic fracture dynamic stress intensity factor

Caustic Structure of the Under Water Sound Channel: 《Open Journal of Acoustics》2014年第1期26-37,共12页Vsevolod Petrovich Ivanov Galina Kalenikovna Ivanova; Using the ray method, an investigation has been carried out on the structure of caustics in the wa- veguide assuming the canonical distribution of the sound velocity with depth. Monochromatic point source of sound was...; 关键词：RAYS Running WAVE SOUND Field CAUSTICS WAVEGUIDE

DYNAMIC FRACTURE ANALYSIS OF AGED GLASSY POLYCARBONATE BY THE METHOD OF CAUSTICS被引量：2: 《Acta Mechanica Solida Sinica》2013年第5期448-457,共10页Guiyun Gao Zheng Li Mehrdad Negahban; supported by the National Basic Research Program of China(973 Program)(No.2010CB731503); The purpose of this work is to investigate the dynamic fracture properties of glassy polycarbonate （PC） with different aging times. The optical method of caustics is adopted in which the shadow spot patterns are rec...; 关键词：POLYCARBONATE physical aging dynamic fracture stress intensity factor

Surgical management and outcomes of severe gastrointestinal injuries due to corrosive ingestion被引量：1: 《World Journal of Gastrointestinal Surgery》2012年第5期121-125,共5页Amit Javed Sujoy Pal Elan Kumaran Krishnan Peush Sahni Tushar Kanti Chattopadhyay; AIM:To report our experience in the surgical management of severe injuries of the gastrointestinal tract due to corrosive ingestion.METHODS:A retrospective review of patients who underwent emergency surgery for severe...; 关键词：CAUSTICS ESOPHAGUS ESOPHAGEAL STENOSIS DYSPHAGIA

CAUSTICS