目的:探究互动达标式分期康复训练在慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)患者中的应用。方法:选取2022年2月—2024年2月苏州明基医院收治的102例COPD患者。根据随机数表法将其分为对照组和观察组,各51例。对...目的:探究互动达标式分期康复训练在慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)患者中的应用。方法:选取2022年2月—2024年2月苏州明基医院收治的102例COPD患者。根据随机数表法将其分为对照组和观察组,各51例。对照组给予常规护理,观察组在对照组基础上给予互动达标式分期康复训练。比较两组护理前后呼吸困难程度、疾病症状、肺功能、自我管理能力。结果:护理后,两组改良版英国医学研究委员会呼吸困难问卷(modified British Medical Research Council,mMRC)、COPD评估测试(COPD assessment test,CAT)评分均降低,观察组mMRC评分、CAT评分均低于对照组,差异有统计学意义(P<0.05)。护理后,两组第1秒用力呼气容积(forced expiratory volume in the first second,FEV_(1))、用力肺活量(forced vital capacity,FVC)、FEV_(1)/FVC均升高,观察组FEV_(1)、FVC、FEV_(1)/FVC均高于对照组,差异有统计学意义(P<0.05)。护理后,两组呼吸道治疗控制、危险因素治疗控制、日常生活照顾、疾病治疗评分均升高,观察组呼吸道治疗控制、危险因素治疗控制、日常生活照顾、疾病治疗评分均高于对照组,差异有统计学意义(P<0.05)。结论:互动达标式分期康复训练在降低COPD患者呼吸困难程度,可提高肺功能和自我管理能力。展开更多
Optimization of antenna array pattern used in a spaceborne Synthetic Aperture Radar (SAR) system is considered in this study. A robust evolutionary algorithm, Non-dominated Sorting Genetic Algorithms (the improved NS...Optimization of antenna array pattern used in a spaceborne Synthetic Aperture Radar (SAR) system is considered in this study. A robust evolutionary algorithm, Non-dominated Sorting Genetic Algorithms (the improved NSGA-Ⅱ), is applied on a spaceborne SAR antenna pattern design. The system consists of two objective functions with two constraints. Pareto fronts are generated as a result of multi-objective optimization. After being validated by a test problem ZDT4, the algorithms are used to synthesize spaceborne SAR antenna radiation pattern. The good results with low Ambi- guity-to-Signal Ratio (ASR) and high directivity are obtained in the paper.展开更多
The exactly solvable model of quasi-conical quantum dot, having a form of spherical sector, is proposed. Due to the specific symmetry of the problem the separation of variables in spherical coordinates is possible in ...The exactly solvable model of quasi-conical quantum dot, having a form of spherical sector, is proposed. Due to the specific symmetry of the problem the separation of variables in spherical coordinates is possible in the one- electron Sehrodinger equation. Analytical expressions for wave function and energy spectrum are obtained. It is shown that at small values of the stretch angle of spherical sector the problem is reduced to the conical QD problem. The comparison with previously performed works shows good agreement of results. As an application of the obtained results, the quantum transitions in the system are considered.展开更多
文摘目的:探究互动达标式分期康复训练在慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)患者中的应用。方法:选取2022年2月—2024年2月苏州明基医院收治的102例COPD患者。根据随机数表法将其分为对照组和观察组,各51例。对照组给予常规护理,观察组在对照组基础上给予互动达标式分期康复训练。比较两组护理前后呼吸困难程度、疾病症状、肺功能、自我管理能力。结果:护理后,两组改良版英国医学研究委员会呼吸困难问卷(modified British Medical Research Council,mMRC)、COPD评估测试(COPD assessment test,CAT)评分均降低,观察组mMRC评分、CAT评分均低于对照组,差异有统计学意义(P<0.05)。护理后,两组第1秒用力呼气容积(forced expiratory volume in the first second,FEV_(1))、用力肺活量(forced vital capacity,FVC)、FEV_(1)/FVC均升高,观察组FEV_(1)、FVC、FEV_(1)/FVC均高于对照组,差异有统计学意义(P<0.05)。护理后,两组呼吸道治疗控制、危险因素治疗控制、日常生活照顾、疾病治疗评分均升高,观察组呼吸道治疗控制、危险因素治疗控制、日常生活照顾、疾病治疗评分均高于对照组,差异有统计学意义(P<0.05)。结论:互动达标式分期康复训练在降低COPD患者呼吸困难程度,可提高肺功能和自我管理能力。
文摘Optimization of antenna array pattern used in a spaceborne Synthetic Aperture Radar (SAR) system is considered in this study. A robust evolutionary algorithm, Non-dominated Sorting Genetic Algorithms (the improved NSGA-Ⅱ), is applied on a spaceborne SAR antenna pattern design. The system consists of two objective functions with two constraints. Pareto fronts are generated as a result of multi-objective optimization. After being validated by a test problem ZDT4, the algorithms are used to synthesize spaceborne SAR antenna radiation pattern. The good results with low Ambi- guity-to-Signal Ratio (ASR) and high directivity are obtained in the paper.
文摘The exactly solvable model of quasi-conical quantum dot, having a form of spherical sector, is proposed. Due to the specific symmetry of the problem the separation of variables in spherical coordinates is possible in the one- electron Sehrodinger equation. Analytical expressions for wave function and energy spectrum are obtained. It is shown that at small values of the stretch angle of spherical sector the problem is reduced to the conical QD problem. The comparison with previously performed works shows good agreement of results. As an application of the obtained results, the quantum transitions in the system are considered.
