PERFORATION

作品数:395被引量:1060H指数:15
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相关领域:医药卫生更多>>
相关作者:王东海王春花韩旭李海洋崔志春更多>>
相关机构:四川大学华西医院唐山市协和医院南京航空航天大学首都医科大学燕京医学院附属大兴医院更多>>
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相关基金:国家自然科学基金中国博士后科学基金国家重点基础研究发展计划陕西省自然科学基金更多>>
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Double-sided gastric perforation after a motorcycle accident in Korea:A case report
《World Journal of Clinical Cases》2025年第17期27-34,共8页In Soo Cho Chan Hee Park Jeong Woo Lee 
BACKGROUND Motorcycle accidents often result in abdominal trauma in patients seeking emergency care.Injuries to the hollow viscera,including the duodenum,jejunum,urinary bladder,and colorectum,are relatively common.In...
关键词:Abdominal blunt trauma Bleeding Gastric perforation Patient Traumatic stomach perforation Case report 
Modification and experimental validation of the Forrestal-Warren perforation model for high hardness armor steel plates of intermediate thickness
《Defence Technology(防务技术)》2025年第4期267-284,共18页Radovan Djurovic Predrag Elek Milos Markovic Dejan Jevtic 
supported by the Ministry of Science,Technological Development and Innovation of the Republic of Serbia,through the Contract no.451-03-65/2024e03/200105.
This paper proposes a modification of the Forrestal-Warren perforation model aimed at extending its applicability range to intermediately-thick high-hardness armor steel plates.When impacted by armorpiercing projectil...
关键词:Terminal ballistics Penetration mechanics Predictive model High hardness armor Experimental investigation 
Micro-characteristics of granite impinged by abrasive water jet from a mineralogical perspective
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期1008-1017,共10页Zhongtan Li Zhaolong Ge Qinglin Deng Zhe Zhou Lei Liu Jianming Shangguan Chuanfu Shao 
supported by the Postdoctoral Fellowship Program of CPSF(Grant No.GZC20233326);the Chongqing Science Fund for Distinguished Young Scholars(Grant No.CSTB2022NSCQJQX0028);the National Natural Science Foundation of China(Grant Nos.U23A20597,52274112).
An abrasive water jet(AWJ)is commonly used to develop deep geothermal resources,such as drilling in hot dry rock(HDR).The influence of rock mineral properties,such as mineral types,mineral contents,and grain size,on t...
关键词:Abrasive water jet(AWJ) DRILLING Hot dry rock(HDR) PERFORATION Fracture generation Removal mechanism 
Acute abdominal pain complicated by cecal perforation caused by an unnoticed swallowed toothpick:A case report
《World Journal of Gastrointestinal Surgery》2025年第2期298-302,共5页Tao Chen 
BACKGROUND Acute abdominal pain is one of the most common gastrointestinal symptoms.The etiology of acute abdomen can be challenging for gastroenterologists to establish.Cecal foreign body is a rare cause of cecal per...
关键词:Cecal foreign body Cecal perforation Toothpick COLONOSCOPY Acute abdomen Case report 
Exploring the effects of angle of incidence on stabbing resistance in advanced protective textiles:Novel experimental framework and analysis
《Defence Technology(防务技术)》2025年第2期67-82,共16页Mulat Alubel Abtew François Boussu Irina Cristian 
Despite numerous research investigations to understand the influences of various structural parameters,to the authors'knowledge,no research has been the effect of different angles of incidence on stab response and per...
关键词:2D/3D woven fabrics Impact protective fabric Drop tower perforation test Stab resistance testing protocol Angle of incidence Multi-layer panels Soft body armor Impact surface damage 
Recurrent small intestinal perforation from gastric mucosal heterotopia:A case report
《World Journal of Gastrointestinal Surgery》2024年第12期3857-3861,共5页Zhi-Wang Li Tao-Feng Jiang Cheng-Kun Yang Zhi-Jie Xu Wen-Biao Zhu En Li 
BACKGROUND Gastric mucosal heterotopia(GMH)is a rare,typically asymptomatic condition characterized by ectopic gastric mucosa in tissues outside the stomach.However,it can lead to severe complications,including small ...
关键词:Gastric mucosal heterotopia Small intestinal perforation Clinical diagnosis Recurrent perforation Intestinal complications Case report 
Laser drilling through Hashma sandstone
《Petroleum Research》2024年第4期673-685,共13页Mohamed Hosin ElNeiri Abdel Sattar Abdel Hamid Dahab Abdulaziz Mohamed Abdulaziz Khalid Mahmoud Abdelghany 
The application of laser in the drilling and perforation of oil wells can achieve great benefits such as reduced drilling costs and time with a higher rate of penetration(ROP)and elimination of casing ne-cessity in oi...
关键词:Laser drilling Laser perforation SANDSTONE Hashma sandstone Specific energy Directional drilling 
Dynamic simulation of double-cased perforation in deepwater high temperature and high-pressure oil and gas wells
《Petroleum Science》2024年第5期3482-3495,共14页Gang Bi Fei Han Jie-Min Wu Pei-Jie Yuan Shuai-Shuai Fu Ying Ma 
the support of the Foundation of Natural Science Foundation of Shaanxi Province, Grant/ Award nos. 2023-JC-YB-361;National Natural Science Foundation (Number 52104033)。
In order to ensure the penetrability of double-cased perforation in offshore oil and gas fields and to maximize the capacity of perforation completion, This study establishes a dynamic model of double-cased perforatio...
关键词:Deepwater HTHP Double-cased perforation Optimization of perforation parameters Dynamic simulation Full-scale perforation simulation 
Acute gastric volvulus combined with pneumatosis coli rupture misdiagnosed as gastric volvulus with perforation:A case report
《World Journal of Gastrointestinal Surgery》2024年第10期3350-3357,共8页Qi Zhang Xiu-Juan Xu Jun Ma Hai-Ying Huang Ya-Ming Zhang 
BACKGROUND Acute gastric volvulus represents a rare form of surgical acute abdomen,which makes it difficult to establish an early diagnosis.As the disease progresses,it can lead to gastric ischemia,necrosis,and other ...
关键词:Acute gastric volvulus Free intraperitoneal air Endoscopic therapy Pneumatosis intestinalis cyst Case report 
Experimental study of hydraulic fracture propagation with multi-cluster in-plane perforations in a horizontal well被引量:1
《Petroleum Science》2024年第5期3258-3270,共13页Xian Shi Yuan-Yuan Yang Xiang-Wei Kong Qi Gao Shu Jiang Hai-Jun Mao 
financially supported by the National Natural Science Foundation of China (51704324, 52374027);Natural Science Foundation of Shandong Province (ZR2023ME158, ZR2022ME025);Open Fund of Key Laboratory of Tectonics and Petroleum Resources (TPR-2020-14)。
Tri-axial fracturing studies were carried out to understand the impact of lateral mechanical parameters on fracture propagation from multiple in-plane perforations in horizontal wells. Additionally, the discussion cov...
关键词:Heterogeneous rock In-plane perforation Stress shadowing Tri-axial fracturing Multiple perforation clusters 
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