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Transfer learning in demand response: A review of algorithms for data-efficient modelling and control

Energy and AI 2022年第1期7卷 183-196页

作者： thijs Peirelinck Hussain Kazmi Brida v.Mbuwir Chris Hermans Fred Spiessens Johan Suykens Geert Deconinck ESAT KU LeuvenKasteelpark Arenberg 10 bus 24453001 LeuvenBelgium AMO Flemish Institute for Technological Research(VITO)Boeretang 2002400 MolBelgium AMO EnergyVilleThor Park 83103600 GenkBelgium

A number of decarbonization scenarios for the energy sector are built on simultaneous electrification of energy demand,and decarbonization of electricity generation through renewable energy ***,increased electricity demand due to heat and transport electrification and the variability associated with renewables have the potential to disrupt stable electric grid *** address these issues using demand response,researchers and practitioners have increasingly turned towards automated decision support tools which utilize machine learning and optimization ***,when applied naively,these algorithms suffer from high sample complexity,which means that it is often impractical to fit sufficiently complex models because of a lack of observed *** advances have shown that techniques such as transfer learning can address this problem and improve their performance considerably—both in supervised and reinforcement learning *** formulations allow models to leverage existing domain knowledge and human expertise in addition to sparse observational *** formally,transfer learning embodies all techniques where one aims to increase(learning)performance in a target domain or task,by using knowledge gained in a source domain or *** paper provides a detailed overview of state-of-the-art techniques on applying transfer learning in demand response,showing improvements that can exceed 30%in a variety of *** observe that most research to date has focused on transfer learning in the context of electricity demand prediction,although reinforcement learning based controllers have also seen increasing ***,a number of limitations remain in these studies,including a lack of benchmarks,systematic performance improvement tracking,and consensus on techniques that can help avoid negative transfer.

关键词： Demand response Transfer learning Reinforcement learning Review Smart grid

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Importance of adapted digestion conditions to simulate in vitro lipid digestion of broilers in different life stages

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Animal Nutrition 2023年第1期12卷 151-158页

作者： Daphne Michels Sarah H.E.verkempinck Agnese Panozzo Karen vermeulen Marc E.Hendrickx Liesbet thijs Tara Grauwet Laboratory of Food Technology and Leuven Food Science and Nutrition Research Centre(LFoRCe) Department of Microbial and Molecular Systems(M2S)KU LeuvenLeuven3001Belgium Kemin Animal Nutrition and Health Kemin Europa N.V.Herentals2200Belgium

In vitro digestion studies demonstrate large potential to gain more and quicker insights into the underlying mechanisms of feed additives,allowing the optimization of feed ***,current in vitro digestion models relevant for broiler chickens lack sufficient description in terms of protocols and standardisation ***,no distinction is made between the different life phases of these animals(starter,grower,and finisher).Hence,our research aimed to establish adapted in vitro digestion conditions,corresponding to the 3 life phases in broilers,with specific focus on lipid *** effect of 3 different bile salt concentrations of 2,10,and 20 mM,and 3 different lipase activities of 5,20,and 100 U/mL,on in vitro lipid digestion kinetics were evaluated using a full factorial *** values were selected to represent starter,grower,and finisher birds,*** findings showed that the extent of lipid digestion was mainly influenced by lipase *** rate of lipid digestion was affected by an interplay between bile salt concentration and lipase activity,due to possible lipase inhibition at certain bile salt ***,this work resulted in 3 in vitro lipid digestion models representative for starter,grower,and finisher *** conclusion,this research showed the impact of adapted in vitro digestion conditions on lipid digestion kinetics and thus the need for these conditions relevant for each life phase of broilers.

关键词： Lipolysis Lipase activity Bile salt In vitro digestion Broiler chicken Emulsion

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Challenges in diagnosing adhesive small bowel obstruction

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World Journal of Gastroenterology 2013年第43期19卷 7489-7493页

作者： thijs R van Oudheusden Bart AC Aerts Ignace HJT de Hingh Misha DP Luyer Department of Surgery Catharina Hospital5623 EJEindhovenThe Netherlands Department of Surgery Amphia Hospital4818 CKBredaThe Netherlands

Adhesive small bowel obstruction(ASBO)is the most frequently encountered surgical disorder of the small *** to 80%of ASBO cases resolve spontaneously and do not require invasive *** is important to identify such patients that will benefit from conservative treatment in order to prevent unnecessarily exposing them to the risks associated with surgical intervention,such as morbidity and further adhesion *** the remaining ASBO patients,timely surgical intervention is necessary to prevent small bowel strangulation,which may cause intestinal ischemia and bowel *** early identification of these patients is key to decreasing ASBO-related morbidity and mortality,the non-specific signs and laboratory findings upon clinic presentation limit timely diagnosis and implementation of appropriate clinical *** the clinical presentation findings with those from other diagnostic imaging modalities,such as abdominal X-ray,computed tomography-scan and water-soluble contrast studies,will improve diagnosis of ASBO and help clinicians to better evaluate the potential of conservative management as a safe strategy for a particular ***,patients who present with moderate findings by all these approaches continue to represent a challenge.A new diagnostic strategy is urgently needed to further improve our ability to identify early signs of strangulated bowel,and this diagnostic modality should be able to indicate when surgical management is required.A number of potential serum markers have been proposed for this purpose,including intestinal fatty acid binding protein andα-glutathione S ***-going research is attempting to clearly define their diagnostic utility and to optimize their potential role in determining which patients should be managed surgically.

关键词： Adhesive small bowel obstruction Diagnosis Clinical management Biological markers Intestinal fatty acid binding protein α-glutathione S transferase

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Alternative mechanisms for prostate-specific antigen elevation:A prospective analysis of 222 transurethral resections of prostate patients

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World Journal of Clinical Urology 2014年第2期3卷 144-151页

作者： Koenraad van Renterghem JJMCH de la Rosette Herbert thijs Erika Wisanto Ruth Achten Jean-Paul Ory Gommert van Koeveringe Department of Urology Jessa Hospital3500 HasseltBelgium Department of Urology Academic Hospital Amsterdam1105 AZ AmsterdamThe Netherlands Interuniversity Institute for Biostatistics and Statistical Bioinformatics Hasselt University3500 HasseltBelgium Interuniversity Institute for Biostatistics and Statistical Bioinformatics KULeuven3000 LeuvenBelgium Department of Pathology Jessa Hospital3500 HasseltBelgium Department of Anesthesiology Jessa Hospital3500 HasseltBelgium Department of Urology University Hospital Maastricht6229 HX MaastrichtThe Netherlands

AIM: To investigate the relationship between prostatespecific antigen(PSA) levels and(1) bladder outlet obstruction(BOO) and(2) the severity of prostate ***: Two hundred and twenty-two consecutive patients undergoing transurethral resection of the prostate(TURP) were prospectively included. Patients with proven urinary tract infection and/or known prostate cancer were excluded. PSA levels, International Prostate Symptoms Score(IPSS), prostate weight, post residual volume and pressure flow parameters were determined. A histopathological assessment of the presence and severity of inflammation was also ***: Patients had a mean age of 69.1 ± 8.6 years(45-90 years), with mean preoperative PSA levels of 4.7 ± 5.4 ng/m L(0.2-32.5 ng/m L) and IPSS of 15.7 ± 6.9(0-32). Mean Pdet Q max was 96.3 ± 34.4 cm H2O(10-220 cm H2O). The mean resected prostate weight was 39.4 ± 27.3 g(3-189 g). Correlations were observed between PSA(logarithmic) and resected prostate weight(r = 0.54; P ved between PSA(logarithmic) and active(r = 0.21; P ve as well as chronic prostatic inflammation.

关键词： Transurethral resection of the prostate Prostate-specific antigen Bladder outlet obstruction Lower urinary tract symptoms Prostate inflammation

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Giant cystic lymphangioma originating from the lesser curvature of the stomach

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World Journal of Gastrointestinal Surgery 2013年第10期5卷 264-267页

作者： thijs Ralf van Oudheusden Simon Willem Nienhuijs Thomas Bernard Joseph Demeyere Michael Derek Philip Luyer Ignace Hubertus Johannes Theodorus de Hingh Department of Surgery Catharina Hospital

Cystic lymphangiomas are rare benign *** frequently occurring in children and involving the neck or axilla,these tumors are much less common in adults and very rarely involve the *** known congenital and acquired(traumatic)etiologies result in failure of the lymphatic channels and consequent proliferation of lymphatic *** case report describes a very rare case of a giant mesenteric cystic lymphangioma in an adult male with no clear etiology and successful resolution by standard radical resection.A previously healthy 44-year-old male presented with a 6-wk history of progressive upper abdominal pain,vomiting,anorexia and unintentional weight loss accompanied by rapid abdominal distension.A palpable mass was detected upon physical examination of the distended abdomen and abdominal computed tomography scan showed a giant multilobulated cystic process,measuring 40 cm in *** laparotomy revealed an enormous cystic mass containing 6 L of serous *** process appeared to originate from the lesser omentum and the lesser curvature of the *** resection of the tumor was performed along with a partial gastrectomy to address potential invasion into the adjacent *** analysis confirmed the diagnosis of a multicystic *** postoperative recovery was uneventful and the patient was discharged after 6 *** 3-mo follow-up,the patient was in good health with no signs of recurrence.

关键词： Multicystic lymphangioma Mesentery Cystic process Abdominal pain Abdominal distension

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Respiratory distress due to malignant ascites palliated by hyperthermic intraperitoneal chemotherapy

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World Journal of Gastrointestinal Surgery 2015年第3期7卷 39-42页

作者： Marijn Marinus Leonardus van den Houten thijs Ralf van Oudheusden Michael Derek Philip Luyer Simon Willem Nienhuijs Ignace Hubertus Johannes Theodorus de Hingh Department of Surgery Catharina Hospital

Malignant ascites is a common symptom in patients with peritoneal cancer. Current assumption is that anincreased vascular permeability and obstruction of lymphatic channels lead to the accumulation of fluid in the abdominal cavity. This case report describes a severely symptomatic patient with malignant ascites. The previously healthy 73-year-old male was presented with abdominal distention causing respiratory distress. Computed tomography revealed large amounts of ascites, a recto-sigmoidal mass with locoregional lymphadenopathy and an omental cake. Biopsy taken during colonoscopy revealed an adenocarcinoma of the colon with signet cell differentiation. A widespread peritoneal carcinomatosis was found during a diagnostic laparoscopy. The extent of peritoneal disease rendered the patient not suitable for cytoreductive surgery with curative intent. The ascites proved to be refractory to ultrasound-guided paracentesis; thus, a decision was made to perform palliative hyperthermic intraperitoneal chemotherapy without cytoreductive surgery. Consequently, ascites production stopped, and the respiratory distress was relieved thereafter. The postoperative recovery was uneventful. Ascites recurred eight months later, and a second hyperthermic intraperitoneal chemotherapy procedure was performed. The patient was still alive at the time of writing, 16 mo after the initial diagnosis.

关键词： Ascites Intraperitoneal chemotherapy Palliative hyperthermic intraperitoneal chemotherapy Peritoneal carcinomatosis Colorectal cancer

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缺血性脑卒中后遗传决定的抑郁风险和功能结局

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中华高血压杂志 2019年第8期27卷 733-733页

作者：刘青(译) 叶鹏(审校) Gill D James NE Monori G Lorentzen E Fernandez-Cadenas Lemmens R thijs.v Rost NS Scott R Hankey GJ Lindgren A Jern C Maguire JM 不详

心理社会因素可能对缺血性脑卒中风险和康复有影响。该研究使用孟德尔随机化(Mendelian random-ization,MR)框架研究了遗传决定的抑郁风险对这些结果的影响。在一项包括246363例患者和561190例对照组的全基因组联合研究中,研究者确定了... 详细信息

心理社会因素可能对缺血性脑卒中风险和康复有影响。该研究使用孟德尔随机化(Mendelian random-ization,MR)框架研究了遗传决定的抑郁风险对这些结果的影响。在一项包括246363例患者和561190例对照组的全基因组联合研究中,研究者确定了抑郁症风险的遗传因素,并在474574例患者和1032579例对照组的单独队列人群中进一步验证。从60341例患者和454450例对照组中,研究者对缺血性脑卒中风险进行了相应的基因关联评估,并从6021例患者的分析中,对缺血性脑卒中后3个月的功能结果进行了相应的评估。在计算统计功效之后,行逆方差加权后的MR用以汇总不同因素的作用。

关键词：缺血性脑卒中遗传因素脑卒中后抑郁症风险功能结局心理社会因素全基因组

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左心室舒张功能的遗传性和其他影响因素:以家庭为基础的人口研究

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中华高血压杂志 2014年第10期22卷 934-934页

作者：刘莉叶鹏 Kloch-Badelek M Knez J Tikhonoff v thijs L Sakiewicz W Ryabikov A Stolarz-Skrzypek K Jin Y Malyutina S Casiglia E Narkiewicz K Czarnecka D Kawecka-Jaszcz K Staessen JA Kuznetsova T

确定遗传因素影响舒张功能多普勒指数的程度,是评估左心室舒张功能障碍与预后关系的一个重要因素。因此,研究人员从一般人群中选出家庭样本,对其家族左心室舒张特性和舒张功能集合评分的遗传度进行评估。方法：随机抽取316个家庭样本,包... 详细信息

确定遗传因素影响舒张功能多普勒指数的程度,是评估左心室舒张功能障碍与预后关系的一个重要因素。因此,研究人员从一般人群中选出家庭样本,对其家族左心室舒张特性和舒张功能集合评分的遗传度进行评估。方法：随机抽取316个家庭样本,包括452名父母和600名后代,平均年龄分别为58.5和33.3岁,

关键词：左心室舒张功能障碍家庭影响因素遗传性人口多普勒指数遗传因素一般人群

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急性卒中影像学研究路径图Ⅱ

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国际脑血管病杂志 2014年第2期22卷 81-92页

作者： Max Wintermark Gregory W. Albers Joseph P. Broderick Andrew M. Demchuk Jochen B. Fiebach Jens Fiehler James C. Grotta Gary Houser Tudor G. Jovin Kennedy R. Lees Michael H. Lev David S. Liebeskind Marie Luby Keith W. Muir Mark W. Parsons Rudiger von Kummer Joanna M. Wardlaw Ona Wu Albert J. Yoo Andrei v. Alexandrov Jeffry R. Alger Richard I. Aviv Roland Bammer Jean-Claude Baron Fernando Calamante Bruce C.v. Campbell Trevor C. Carpenter Sφren Christensen William A. Copen Colin P. Derdeyn E. Clarke Haley Jr Pooja Khatri Kohsuke Kudo Maarten G. Lansberg Lawrence L. Latour Ting-Yim Lee Richard Leigh Weili Lin Patrick Lyden Grant Mair Bijoy IC Menon Patrik Michel Robert Mikulik Raul G. Nogueira Left φstergaard Salvador Pedraza Christian H. Riedel Howard A. Rowley Pina C. Sanelli Makoto Sasaki Jeffrey L. Saver Pamela W. Schaefer Peter D. Schellinger Georgios Tsivgoulis Lawrence R. Wechsler Philip M. White Greg Zaharchuk Osama O. Zaidat Stephen M. Davis Geoffrey A. Donnan Anthony J. Furlan Werner Hacke Dong-Wha Kang Chelsea Kidw ell vincent N. thijs Gotz Thomalla Steven J. Warach 严晓铭刘牧张晶晶柯开富不详南通大学附属医院神经内科 226001

卒中影像学研究组（StrokeImagingResearchGroup，STIR）、美国神经放射学学会和美国神经放射学学会基金会在过去1年多的时间时举办了一系列的工作会议，最后一次会议于2013年3月9日至10日在华盛顿召开的卒中治疗专业学术圆桌会议（Stro... 详细信息

卒中影像学研究组（StrokeImagingResearchGroup，STIR）、美国神经放射学学会和美国神经放射学学会基金会在过去1年多的时间时举办了一系列的工作会议，最后一次会议于2013年3月9日至10日在华盛顿召开的卒中治疗专业学术圆桌会议（Stroke Treatment Academy Industry Roundtable，STAIR）期间举行。

关键词：急性卒中影像学神经放射学路径会议基金会学会美国

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