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Search Results: 1 - 10 of 34565 matches for " 陆佳昊 "
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脑瘫儿童步行过程中下肢生物力学特征
The Biomechanical Characteristics of the Cerebral Palsy Children When Walking with Bare-Foot
 [PDF]

, 姜淑云
Applied Physics (APP) , 2015, DOI: 10.12677/APP.2015.512029
Abstract:
目的:研究脑瘫儿童步行过程下肢生物力学特征。方法:中岳阳医院步态分析实验室课题组自2013到2015年采集33名脑瘫患儿三维步态数据,其粗大运动功能分级为Ⅰ~Ⅲ级,有自主行动能力,符合试验要求,能够完成试验。课题组将病例按照年龄分组(3~5岁组,6~7岁组)并与近十年本步态分析实验室采集的相同年龄段中国正常儿童三维步态数据做对照,分别运用两独立样本T检验,得到下肢运动学及动力学数据,并分析脑瘫儿童步行过程中下肢生物力学特征。结果:与正常儿童相比,同年龄脑瘫患儿双侧步长、步速、单支撑相明显减小(p < 0.05);双侧步宽、双支撑相明显增大(p < 0.05)。各关节运动学方面:脑瘫患儿髋关节摆动相屈曲角度明显增大(p < 0.05);左侧踝关节摆动相跖屈角度明显偏低(p < 0.05),踝关节离地时功率明显偏低(p < 0.05)。
Purpose: We investigate the biomechanical characteristics of the cerebral palsy children when walking with bare-foot. Method: We collected the three-dimensional gait analysis data gathered from 33 CP children from 2013 to 2015, whose GMFCS is between I-III, who are ambulatory meeting a criterion, and able to finish the test. We compare the 3 - 5 years old group and 6 - 7 years old CP group with the normal children whose data we collected these 10 years using two sample T test to find out biomechanical characteristics of the cerebral palsy children when walking with bare- foot. Results: Compare with the normal children, step length, forward velocity, single support time which belong to CP children are significantly lower (p < 0.05). While step width, initial double support time are significantly higher (p < 0.05). In terms of articular movements and kinetics, compare with the normal, hip flex swing phase max of CP children is significantly higher (p < 0.05), while Anke plant flexion swing phase max of CP children is lower (p < 0.05) Anke power (lift ground) is lower (p < 0.05).
肺癌住院患者生命质量调查及其影响因素
,王伟杰,周荃,常艺凡,,朱志朋,晓芳,苏彤
- , 2018, DOI: 10.16781/j.0258-879x.2018.06.0615
Abstract: 目的 调查肺癌住院患者的生命质量,探讨肺癌患者生命质量的影响因素。方法 选择2016年9月至2017年3月在海军军医大学(第二军医大学)长海医院呼吸内科住院的肺癌患者120例,发放调查问卷;采用EORTC QLQ-C30中文版和肺癌特异模块QLQ-LC13评估患者的生命质量,以患者的一般资料为自变量、生命质量各领域得分为因变量,进行肺癌生命质量影响因素的多重线性回归分析。结果 回收有效问卷95份,回收率79.2%。性别、年龄、职业、居住地、子女数量、吸烟、饮酒、肿瘤分期、肿瘤是否转移、是否伴随其他疾病和化学治疗次数与生命质量不同领域得分相关(P<0.05)。年龄较小(<50岁)的患者食欲缺乏(β=-8.266)、腹泻(β=-5.263)和咽下困难(β=-6.307)症状得分较高;女性的认知功能领域得分低于男性(β=-11.270),恶心呕吐(β=11.725)和食欲缺乏(β=17.090)症状领域得分高于男性;肿瘤分期晚(Ⅳ期)者腹泻症状重(β=2.070);无职业者腹泻症状重(β=7.130);化学治疗次数多(6次以上)的患者疼痛症状明显(β=5.871);伴随其他疾病的患者总健康状况(β=-17.239)较差,且周围神经病变(β=11.970)和胸痛(β=11.061)症状较重;吸烟者气促症状较明显(β=21.151),饮酒者便秘症状较明显(β=13.525);肿瘤转移者的角色功能领域得分高(β=15.039)。居住地与多个生命质量领域得分相关,上海地区患者生命质量较好。子女数量多(≥2个)的患者不易发怒,情绪更稳定(β=10.078)。结论 肺癌患者在接受治疗的过程中,其身体状况与情绪心理状况都需要得到关注,有必要根据患者的个体特点提供相应的社会支持与心理疏导,从而改善患者的生命质量和预后。
Objective To investigate the quality of life of inpatients with lung cancer and its influencing factors. Methods A total of 120 inpatients with lung cancer in Department of Respiratory Medicine of Changhai Hospital of Navy Medical University (Second Military Medical University) from Sep. 2016 to Mar. 2017 were surveyed. The Chinese version of EORTC QLQ-C30 and lung cancer specific module QLQ-LC13 were used to assess the quality of life of the inpatients. The multiple linear regression analysis was performed to analyze the factors influencing life quality, with the general data of the inpatients as independent variables and the scores of various domains of life quality as dependent variables. Results A total of 95 valid questionnaires were recovered, and the response rate was 79.2%. Gender, age, occupation, residence, number of children, smoking, drinking, tumor staging, metastasis, with or without concomitant diseases and frequency of chemotherapy were related to the scores of different domains of life quality (P<0.05). Patients with younger age (<50 years old) had higher symptom scores of anorexia (β=-8.266), diarrhea (β=-5.263), and dysphagia (β=-6.307). Female patients had a lower score of cognitive function (β=-11.270), and had higher symptom scores of nausea/vomiting (β=11.725) and anorexia (β=17.090) versus male patients. Patients with advanced tumor stage (Ⅳ) or without occupation both had higher symptom scores of diarrhea (β=2.070, 7.130). Patients with frequent chemotherapies (more than six times) had a higher symptom score of pain (β=5.871). Patients with concomitant diseases had a lower score of overall health status (β=-17.239), and had higher symptom scores of peripheral neuropathy (β=11.970) and pain in the chest (β=11.061). Smoking patients had a higher symptom score of
电视辅助胸腔镜与常规切口肺减容术治疗重度慢性阻塞性  肺疾病效果比较的 meta 分析#br#
Comparison of efficacy of video-assisted thoracic surgery and conventional lung volume reduction surgery for the treatment of patients with severe chronic obstructive pulmonary disease: a meta-analysis

茅怡铭, 魏长江,吴长江,秦元,,文强
MAO Yi-ming
, WEI Chang-jiang, WU Chang-jiang, QIN Yuan, LU Jia-hao, LU Wen-qiang

- , 2017, DOI: 10.3969/j.issn.1674-8115.2017.07.020
Abstract: 目的 · 应用 meta 分析比较电视辅助胸腔镜(VATS)肺减容术与常规切口肺减容术治疗重度慢性阻塞性肺疾病患者的效果。 方法 · 计算机检索 Web of Science、EMbase、PubMed、the Cochrane Library、中国学术期刊全文数据库、中国生物医学文献数据光 盘数据库、万方数据库、维普数据库等,收集关于 VATS 肺减容术(VATS 组)与常规切口肺减容术(开胸组)治疗重度慢性阻塞性 肺疾病的随机对照试验及非随机对照研究。文献检索时间均从建库至 2016 年 11 月。评价纳入文献的质量并提取资料。采用 RevMan 5.3 统计软件进行 meta 分析。结果 · 检出相关文献 779 篇,根据纳入标准最终入选 12 篇,共 966 例患者。Meta 分析结果显示:在手 术时间方面,VATS 组中行双侧肺减容术的手术时间大于常规切口组,行单侧肺减容术的手术时间与开胸组的差异无统计学意义。在 胸管留置时间方面,VATS 组中行双侧肺减容术的胸管留置时间与开胸组的差异无统计学意义,行单侧肺减容术的胸管留置时间明 显少于开胸组。与开胸组比较,VATS 组术中出血量及术后胸腔引流量显著减少。在术后肺功能及血气分析方面,VATS 组的术后 6 min 步行距离大于开胸组,2 组在第一秒用力呼气量、动脉血氧分压及术后并发症发生率方面的差异无统计学意义。结论 · 相比于常 规切口肺减容术,VATS 肺减容术是更好的选择。因研究质量和研究样本的局限性,该结论仍有待设计严谨的大样本随机对照试验加 以验证。
:Objective · To compare the efficacy of video-assisted thoracic surgery (VATS) and conventional lung volume reduction surgery for the treatment of patients with severe chronic obstructive pulmonary disease with a meta-analysis. Methods · Randomized controlled trials (RCT) and nonrandomized control studies of VATS (the VATS group) and conventional lung volume reduction surgery (the thoracotomy group) for treating patients with severe chronic obstructive pulmonary disease were collected from databases, including Web of Science, EMbase, PubMed, the Cochrane Library, CNKI, CBM disc, WanFang Data, and VIP. The latest literature was published in November 2016. The assessment included the quality of literature and RevMan5.3 software was used to perform the meta-analysis. Results · Of 779 retrieved articles, 12 studies involving 966 patients were included according to the inclusion criteria. The results of meta-analysis showed that the operation time of bilateral LVRS was longer in the VATS group than in the thoracotomy group, but the difference in the operation time of single LVRS between the two groups was not statistically significant. The difference in the duration of chest tube drainage for bilateral LVRS between the two groups was not statistically significant, while the duration of chest tube drainage for single LVRS was significantly shorter in the VATS group than in the thoracotomy group. The amount of intraoperative blood loss postoperative drainage was significantly smaller in the VATS group than in the thoracotomy group. Postoperative pulmonary function and blood gas analysis showed that the 6 min walking distance was longer in the VATS group than in the thoracotomy group. The differences in FEV1 and PaO2 between the two groups were not statistically significant, as well as the difference in postoperative complications between the two groups. Conclusion · Comparing to conventional
The Comparison of Methods Used in KDD
知识当现方法的比较研究

,朝晖
计算机科学 , 2000,
Abstract: 1 引言从已有信息中发现模式或规律是信息处理技术的本质所在。长期以来,为了实现这个目标人们从不同领域、不同角度提出各种方法。典型的如:从数学角度提出的数理统计方法、从模拟生物神经结构角度提出的神经网络技术、从知识角度提出的机器学习方法等。与上述方法不同的是,KDD并不是研究某种具体的方法,而是根据用户的需要和领域的特点,利用已有的技术形成一个完整的系统,在有限的计算资源下从大型数据库中自动地发现知识。因此我们认为,KDD着重于系统的实用性,其主要目的是使上述方法适用于大型数据库以及根据领域特性适当地利用它们。
冻土路基在地震作用下的动力响应
刘志强,*,
冰川冻土 , 2011,
Abstract: 青藏高原是地震多发区,冻土区的公路、铁路在地震作用下的动力响应必须考虑.将冻土作为黏弹塑性材料,考虑冻土在动力荷载作用下的热力耦合效应,从热传导方程、渗流微分方程和动力平衡方程出发,建立了冻土的动力热-力耦合微分方程.根据相应的有限元列式,对路基在地震荷载作用下的动力响应进行了计算与分析.
知识当现方法的比较研究
朝晖?
计算机科学 , 2000,
Abstract:
双腔室真空室开合机构的设计与优化
李玉,
包装工程 , 2013,
Abstract: 通过分析双腔室真空室的结构特点和工作原理,设计了开合机构的工作方案,并叙述了机构的设计过程。 利用 Pro / E 软件中的行为建模工具,对开合机构的部分杆件进行了可行性设计,经优化后获得了满足设计要求且杆长之和最短的模型。
日用竹提篮的造型特征分析及设计启发
,琬青
包装工程 , 2013,
Abstract: 通过对大量竹提篮案例分析的基础上,对单层和多层竹提篮的形态、编织纹样、制作工艺以及文化寓意方面,进行详尽描绘和分析得出提篮的设计特征,同时指出竹提篮是将“日用”和“美”完美结合的设计典范,借此提出其对当代相关产品的设计启发。
建筑设计中结构的运用
李旻,可人
工业建筑 , 2011, DOI: 10.13204/j.gyjz201109010
Abstract: 通过对建筑中结构对建筑的影响和结构对建筑发展的贡献两方面论述建筑设计与结构运用的关系,最后对结构与建筑的综合设计进行了展望。
基于极值理论和多元Copula函数的商业银行操作风险计量研究
,
中国管理科学 , 2013,
Abstract: ?基于操作风险呈厚尾分布的特征,本文按照巴塞尔协议的要求,采用POT极值模型分别估计了多个操作风险单元的边缘分布,然后用多元Copula函数来刻画这些操作风险单元之间的关联性并计算在险价值。通过对中国商业银行1990-2010年操作风险数据的实证分析表明,ClaytonCopula能更好地反映各操作风险单元之间的相关性结构,且采用Copula考虑操作风险相关性下的VaR值要比简单加总下的VaR值减少约32.3%。因此,应用Copula函数计量操作风险相关性,不仅可以提高估计的准确性,还能够达到资产组合的风险分散化效应,减少操作风险资本要求,为商业银行提升盈利能力创造条件。
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