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Model predictive control of indoor thermal environment conditioned by a direct expansion air conditioning system

Building Simulation 2023年第3期16卷 357-378页

作者： Yudong Xia Ming Zhu Aipeng Jiang Jian Wang xiaoxia bai Shiming Deng School of Automation(School of Artificial Intelligence) Hangzhou Dianzi UniversityHangzhouChina Department of Building Environment and Energy Engineering The Hong Kong Polytechnic UniversityHong KongChina Department of Mechanical and Industrial Engineering Qatar UniversityDohaQatar

Temperature and humidity are two important factors that influence both indoor thermal comfort and air *** varying compressor and supply fan speeds of a direct expansion(DX)air conditioning(A/C)unit,the air temperature and humidity in the conditioned space can be regulated ***,most existing controllers are designed to minimize the tracking errors between the system outputs with their corresponding settings as quickly as *** energy consumption,which is directly influenced by the compressor and supply fan speeds,is not considered in the relevant controller formulations,and thus the system may not operate with the highest possible energy *** effectively control temperature and humidity while minimizing the system energy consumption,a model predictive control(MPC)strategy was developed for a DX A/C system,and the development results are presented in this paper.A physically-based dynamic model for the DX A/C system with both sensible and latent heat transfers being considered was established and validated by *** facilitate the design of MPC,the physical model was further *** MPC scheme was then developed by formulating the objective function which sought to minimize the tracking errors of temperature and moisture content while saving energy *** on the results of command following and disturbance rejection tests,the proposed MPC scheme was capable of controlling temperature and humidity with adequate control accuracy and *** comparison to linear-quadratic-Gaussian(LQG)controller,better control accuracy and lower energy consumption could be realized when using the proposed MPC strategy to simultaneously control temperature and humidity.

关键词： direct expansion air conditioning humidity control model predictive control variable speed operational efficiency

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Uterine artery pseudoaneurysm after subtotal hysterectomy:a case report

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World Journal of Emergency Medicine 2023年第6期14卷 502-504页

作者： Ting Xu Xiaobo Wang Ruo'an Jiang Wen Li Shengting Yin Haiyang Tang Haizhen Dai xiaoxia bai Department of Obstetrics and Gynecology Womens Hospital Zhejiang University School of Medicine Hangzhou 310006China Traditional Chinese Medicine for Reproductive Health Key Laboratory of Zhejiang Province Hangzhou 310006China Zhejiang Provincial Clinical Research Center for Obstetrics and Gynecology Hangzhou 310006China Key Laboratory of Women's Reproductive Health Hangzhou 310006China

Vaginal bleeding is a common symptom in the emergency department of obstetrics and gynecology hospitals;however,post-hysterectomy vaginal bleeding is a rare *** artery pseudoaneurysm(UAP)is a rare condition that can lead to fatal bleeding and most commonly occurs as a long-term complication after invasive surgery or even in non-invasive procedures,such as cesarean section,myomectomy,dilatation and curettage,cervical conization and vaginal delivery.[1-3]Pseudoaneurysm is a pulsatile hematoma formed after arterial injury and rupture.

关键词： arterial rupture after

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Analysis of the clinical characteristics and neonatal outcomes of seven cases of pregnancy luteoma discovered incidentally at cesarean section

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Gynecology and Obstetrics Clinical Medicine 2021年第2期1卷 83-86页

作者： Junhua Shen Lanlan Tang Genping Huang xiaoxia bai Baohua Li Zhengping Wang Department of Obstetrics Women’s HospitalZhejiang University School of MedicineXueshi Rd no.1HangzhouZhejiangPR China Department of Pathology Women’s HospitalZhejiang University School of MedicineXueshi Rd no.1HangzhouZhejiangPR China

Objective:In this study,we summarize the clinical characteristics and neonatal outcomes of patients with pregnancy luteomas that were identified incidentally at cesarean section in our *** also provide a review of the existing literature relating to this ***:A total of seven cases of pregnancy luteoma were enrolled from our hospital into this retrospective study between March 2013 and February *** then evaluated the clinical characteristics and neonatal outcomes of these ***:All seven patients with pregnancy luteomas found incidentally during Cesarean sections at term as a result of obstetric *** masses were unilateral and ranged from 2 to 10 cm in *** patients underwent partial ovariectomies or oophorocystectomy due to presumptive benign ovarian *** patients had gestational diabetes and one patient had gestational *** patient developed hirsutism and a deepened *** the seven newborns,three were girls and four were *** examinations of the newborns were normal and no virilization was detected among the infant ***:Pregnancy luteoma may be more common than *** strategies are now needed to educate obstetricians about the clinical features of pregnancy luteoma so that they can avoid unnecessary surgery.

关键词： Pregnancy luteoma Tumor-like ovarian lesion Ovarian tumor Masculinization

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Successful treatment of group A streptococcal toxic shock syndrome occurring in late pregnancy:a case report

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World Journal of Emergency Medicine 2024年第6期15卷 508-510页

作者： Tingting Chen Qingai Jiang Shufen Zhou Haiyang Tang Yijia Tian Lingfei Jin Yuanhe Wang Shunlan Du xiaoxia bai Department of Obstetrics Women's Hospital School of Medicine Zhejiang UniversityHangzhou 310006China Department of Obstetrics and Gynecology Jiangshan People’s Hospital of JiangshanJiangshan 324100China Department of Obstetrics and Gynecology Jiangshan Women’s and Children’s HospitalJiangshan324100China Department of Obstetrics Affiliated Dongyang Hospital of Wenzhou Medical UniversityDongyang 322100China Traditional Chinese Medicine for Reproductive Health Key Laboratory of Zhejiang Province Hangzhou 310006China Zhejiang Province Clinical Research Center for Obstetrics and Gynecology Hangzhou 310006China

Streptococcal toxic shock syndrome(STSS)is an acute,life-threatening illness caused by invasive group A Streptococcus(iGAS).The initial manifestations of STSS are atypical,and may progress to shock,multiple organ dysf... 详细信息

关键词： acute shock pregnancy

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China’s unwavering determination in protecting pregnancy and perinatal health

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The Innovation 2022年第6期3卷 35-36页

作者： Haitong Zhe Sun Qingyi Xiang Siyuan Xu Haizhen Dai Jing Fang Hao Tang Tao Xue Haikun Wang Kun Tang Yuming Guo xiaoxia bai Department of Obstetrics Women’s HospitalSchool of MedicineZhejiang UniversityHangzhou 310006China Yusuf Hamied Department of Chemistry University of CambridgeCambridge CB21EWUK School of Clinical Medicine University of CambridgeCambridge CB20SPUK Institute of Reproductive and Child Health National Health Commission Key Laboratory of Reproductive HealthPeking UniversityBeijing 100191China School of Atmospheric Sciences Nanjing UniversityNanjing 210023China Vanke School of Public Health Tsinghua UniversityBeijing 100084China School of Public Health and Preventive Medicine Monash UniversityMelbourneVIC 3004Australia Key Laboratory of Women’s Reproductive Health Hangzhou 310006China

ACHIEVEMENTS AND CHALLENGES Before the advent ofmodern medicine,childbirth carried extremely high risk of mortality,both maternal and perinatal(the period beginning at the 20–28th week of gestation and ending at 1–4 weeks after delivery).Fortunately,with advances in prenatal healthcare,the prevalence of maternal and perinatal mortalities has significantly reduced.A press conference held on May 30,2022,by the National Health Commission of the People’s Republic of China,reviewed the major progress and achievements in Chinese maternal and child health over the past *** highlighted that the maternal mortality rate dropped to 161 per million in 2021,the lowest level in recorded history.

关键词： mortality pregnancy maternal

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当代少数民族母语小说中的几组文化关系

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民族文学研究 2010年第4期28卷 47-52页

作者：白晓霞哈尔滨师范大学中国语言文学博士后流动站兰州城市学院文学院

当代少数民族母语作家的小说紧紧围绕着现代社会中少数民族族群的价值观进行了深度思考,具体涉及到族群传统意识话语与现代消费意识话语之间的关系。这种话语关系在母语作家的笔下被转化成了如下三组文化关系:"城与乡"的关系";人与神"... 详细信息

当代少数民族母语作家的小说紧紧围绕着现代社会中少数民族族群的价值观进行了深度思考,具体涉及到族群传统意识话语与现代消费意识话语之间的关系。这种话语关系在母语作家的笔下被转化成了如下三组文化关系:"城与乡"的关系";人与神"的关系";我与你"的关系。它们对于思考少数民族文学的现代性问题具有启示意义。

关键词：当代少数民族翻译小说文化关系

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艺术设计学视角下的非物质文化遗产保护与传承——以桦树皮技艺为例

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装饰 2015年第3期 103-105页

作者：白晓霞大连艺术学院

文化遗产向文化资源转化是当下非物质文化遗产保护与传承的重要思路与方向。本文针对桦树皮技艺这项传统手工技艺,从艺术设计学的角度出发,提出"开发+利用=传承与保护"的想法是符合其自身特点和资源转化需求的。

关键词：文化遗产文化资源艺术价值桦树皮技艺

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白玛娜珍小说的叙事方式

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民族文学研究 2008年第4期26卷 73-78页

作者：白晓霞兰州大学文学院兰州城市学院中文系

白玛娜珍是西藏本土的藏族女性作家,在她的两部长篇小说中,创造了属于自己的一种独特的叙事方式,即女性叙事与社会叙事的复合和民间叙事与国家叙事的复合。当我们把这一叙事方式置于中国当代藏族文学的写作场域考量时,会发现它在当代藏... 详细信息

白玛娜珍是西藏本土的藏族女性作家,在她的两部长篇小说中,创造了属于自己的一种独特的叙事方式,即女性叙事与社会叙事的复合和民间叙事与国家叙事的复合。当我们把这一叙事方式置于中国当代藏族文学的写作场域考量时,会发现它在当代藏族女性作家汉语小说写作史上的独特性,即在时间和空间上都有属于自己的生成意义和存在价值。这种叙事方式的出现意味着藏族女性作家既深深汲取母族文化营养又积极挺进中国当代文坛的姿态,在当代藏族女性作家中是值得提倡的。

关键词：白玛娜珍小说女性叙事社会叙事民间叙事国家叙事

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榆林野生地被植物资源的园林绿化应用评价

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草业科学 2024年第10期41卷 2284-2294页

作者：白晓霞姚亮纪晓玲张静榆林学院生命科学学院陕西榆林719000

为了扩充陕北旱区园林绿化地被植物种类,采用样方法对榆林市横山县、绥德县、佳县野生地被植物资源展开调查,采用层次分析法构建了野生地被植物评价体系。结果表明,榆林市黄土旱区共有野生地被植物47种,以禾本科(14种)与菊科(7种)居多;... 详细信息

为了扩充陕北旱区园林绿化地被植物种类,采用样方法对榆林市横山县、绥德县、佳县野生地被植物资源展开调查,采用层次分析法构建了野生地被植物评价体系。结果表明,榆林市黄土旱区共有野生地被植物47种,以禾本科(14种)与菊科(7种)居多;评价体系准则层由园林观赏价值(权重值为0.334)、生态适应性(权重值为0.525)和防护功能(权重值为0.141)组成,要素层包括17个评价指标,其中权重值较高的分别是抗逆性(0.219)、繁殖难易度(0.141)、生长势(0.101)、生育期(0.077)、根系生长(0.071)、分布范围(0.064);最终评选出Ⅰ级优等地被植物9种,Ⅱ级良好地被植物12种,Ⅲ级一般地被植物13种,Ⅳ级较差地被植物13种。该评价体系能够准确反映榆林野生地被植物资源特点,为当地地被植物资源的筛选应用提供参考。

关键词：黄土旱区野生地被资源调查层次分析法园林应用

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高山杜鹃新品种‘太行福星’

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园艺学报 2019年第S02期46卷 2900-2901页

作者：蒋淑磊白霄霞李国松石家庄市农林科学研究院花卉技术创新中心石家庄050041 河北省林木种苗管理站石家庄050091

高山杜鹃新品种‘太行福星’来源于‘珊瑚公主’的突变。常绿阔叶,3年生苗株高60~70 cm,冠幅45~55 cm。叶片长椭圆形,革质。花序顶生,花冠裂片纹饰棕色,花冠裂片顶部圆形、淡紫色,花径5.0~6.0 cm,最大可达7.0 cm。花期4-5月,观赏性强。... 详细信息

高山杜鹃新品种‘太行福星’来源于‘珊瑚公主’的突变。常绿阔叶,3年生苗株高60~70 cm,冠幅45~55 cm。叶片长椭圆形,革质。花序顶生,花冠裂片纹饰棕色,花冠裂片顶部圆形、淡紫色,花径5.0~6.0 cm,最大可达7.0 cm。花期4-5月,观赏性强。适合河北地区温室内栽培,宜作盆栽观赏。

关键词：高山杜鹃品种

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