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An Integrated carbon Dioxide capture and Methanation Pr.cess

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ccS chemistry 2024年第5期6卷 1174-1183页

作者： Xiaochen Zhang Mengzhu Li Xingwu Liu Ang Li Yuchen Deng mi Peng Yu Zhang charlotte Vogt Matteo Monai Junxian Gao Xuetao Qin Yao Xu Qiaolin Yu Meng Wang Guofu Wang Zheng Jiang Xiaodong Han casper Brady Wei-Xue Li Wu Zhou Jin-Xun Liu Bingjun Xu Bert M.Weckhuysen Ding Ma Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871 china Academy of Aerospace Science and Innovation Beijing 100088 National Energy center for.coal to Liquids Synfuels China Co.Ltd.Beijing 101400 Beijing Key Laboratory of microstr.cture and Property of Advanced Materials Beijing University of TechnologyBeijing Inorganic chemistry and catalysis group Institute for Sustainable and Circular Chemistry and Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht University3584 CG Utrecht State Key Laboratory of coal conversion Institute of Coal ChemistryChinese Academy of SciencesTaiyuan 030001 Shanghai Synchrotron radiation Facility Zhangjiang LadShanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210 center for.catalytic Science and Technology University of DelawareNewarkDelaware 19716 Key Laboratory of Pr.cision and Intelligent chemistry School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefeiAnhui 230026 Hefei National Laboratory University of Science and Technology of ChinaHefei 230088 School of Physical Sciences CAS Key Laboratory of Vacuum PhysicsUniversity of Chinese Academy of SciencesBeijing 100049

reducing the ever-growing level of cO_(2)in the atmosphere is critical for the sustainable development of human society in the context of global *** of the capture and upgrading of cO_(2)is,therefore,highly desirable since each pr.cess step is costly,both energetically and ***,we report a cO_(2)dir.ct air.capture(DAc)and fixation pr.cess that produces *** concentrations of cO_(2)(∼400 ppm)in the air are captured by an aqueous solution of sodium hydroxide to form *** carbonate is subsequently hydrogenated to methane,which is easily separated from the reaction system,catalyzed by TiO2-supported ru in the aqueous phase with a selectivity of 99.9%among gas-phase *** concurrent regenerated hydroxide,in turn,increases the alkalinity of the aqueous solution for further.cO_(2)capture,thereby enabling this one-ofits-kind continuous cO_(2)capture and methanation *** simulations demonstrate the energy feasibility of this cO_(2)DAc and methanation pr.cess,highlighting its promise for potential largescale applications.

关键词： cO_(2)capture and methanation pr.cess sodium hydroxide carbonate ru/TiO_(2) catalytic mechanism cO_(2)activation and hydrogenation

UHPLc-Q-TOF-MS检测医院制剂胃特安片主要化学成分及入血成分

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中国现代应用药学 2024年第7期41卷 946-956页

作者：彭秘徐兰张增珠李刚刘匡一南昌市人民医院(南昌市第三医院) 南昌330000 中国人民解放军联勤保障部队第908医院南昌330000 南昌市第一医院南昌330000

目的采用UHPLc-Q-TOF-MS对医院制剂胃特安片的化学成分进行分析和鉴定,并寻找大鼠血浆中的药物移行成分。方法0.05%甲酸水-乙腈流动相体系下,Acquity UPLc BEH c_(18)色谱柱色谱分离后进行Q-TOF正负离子扫描,SWATH采集模式下进行数据处... 详细信息

目的采用UHPLc-Q-TOF-MS对医院制剂胃特安片的化学成分进行分析和鉴定,并寻找大鼠血浆中的药物移行成分。方法0.05%甲酸水-乙腈流动相体系下,Acquity UPLc BEH c_(18)色谱柱色谱分离后进行Q-TOF正负离子扫描,SWATH采集模式下进行数据处理,定性鉴定的同时通过MrMHr数据处理功能进行血浆样品中各成分的定量分析研究。结果实验中共分离鉴定出52种化学成分,黄酮类成分22种,酚酸类6种,萜类化合物5种,香豆素类3种,生物碱类2种以及氨基酸等其他类化合物。检出8种入血成分:6-羟基-7-甲氧基香豆素、橙皮素、川陈皮素、橘皮素、水苏碱、小檗碱、汉黄芩苷及槲皮苷。结论该方法准确稳定,适用于胃特安片剂中化学成分分析与鉴定研究,实验结果为临床合理用药、后续药物组织分布及效应物质基础研究提供基础。

关键词：胃特安片超高效液相色谱-串联质谱法化学成分医院制剂入血成分

Neoadjuvant PD-1 blockade: a promising nonoperative strategy for mismatch repair–deficient, locally advanced r.ctal cancer

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Signal Transduction and Targeted Therapy 2022年第11期7卷 3989-3991页

作者： mi mi chenyang Ye Ying Yuan Department of Medical Oncology Key Laboratory of Cancer Prevention and Interventionthe Second Affiliated Hospital of Zhejiang University School of Medicine310009HangzhouZhejiangChina cancer.center Zhejiang University310058HangzhouZhejiangChina

In a prospective phase 2 study r.cently published in The New England Journal of Medicine,cercek et *** the efficacy of the programmed death 1(PD-1)inhibitor dostarlimab in patients with mismatch repair–deficient(dMMr),locally advanced r.ctal cancer(LArc).The work aimed to present preliminary evidence for the revolutionary therapeutic transition from neoadjuvant chemotherapy/radiotherapy followed by surgery to immunotherapy followed by nonoperative management in this subgroup of patients.

关键词： operative al. r.ctal

Impact of a physician-supervised exercise-nutrition program with testosterone substitution in partial androgen-deficient middle-aged obese men

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Journal of Geriatr.c cardiology 2011年第4期8卷 201-206页

作者： Ernst r Schwarz robert D Willix jr cenegenics Education and research Foundation Las Vegas and Heart Institute of Southern CaliforniaBeverly Hills348 S Oakhurst DrBeverly HillsCA 90212USA

Background Partial androgen deficiency syndrome in the aging male is associated with signs of aging such as a development of abdominal obesity,sexual dysfunction,increase body fat,weight gain and the development of cardiac *** We assessed the outcome of a commercially available physician supervised nutrition and exercise program with concomitant testosterone replacement therapy in middle age obese men with partial androgen deficiency in order to reduce cardiac risks *** Fifty-six self referred men without diabetes mellitus,hypertension,or.cardiovascular disease(ages 52.3±7.8 years)were randomly selected from a large *** weight,body fat composition,fasting glucose,hemoglobin A1c and fasting lipid levels,as well as free and total testosterone levels were *** patients were assessed and followed 6–18 months after initiation of the *** program consisted of a low glycemic load balanced nutrition diet,a r.commended str.ctured daily exercise program of 30–60 minutes,as well as once to twice weekly intramuscular testosterone injections(113.0±27.8 mg).results At follow up,weight was reduced from 233.9±30.0 pounds(lbs)to 221.3±25.1 lbs(Pmi was reduced from 33.2±3.3 kg/m2 to 31.3±2.8 kg/m^(2)(Pcose was reduced from 95.3±14.4 mg/dL to 87.5±12.6 mg/dL(Pcholesterol was reduced from 195.4±33.0 mg/dL to 172.7±35.0 mg/dL(Pclinically significant adverse events were *** Testosterone replacement therapy in middle aged obese men with partial androgen deficiency appeared safe and might have promoted the effects of a weight reduction diet and daily exercise program as long as an adequate physician supervision and follow up was *** combination therapy significantly reduced coronary risk factors such as glucose intolerance and hyperlipidemia.

关键词： aging heart disease androgen deficiency testosterone

Effects of improved amino acid balance diet on lysine mammary utilization, whole body protein turnover and muscle protein breakdown on lactating sows

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Journal of Animal Science and Biotechnology 2024年第5期15卷 2031-2043页

作者： Sai Zhang Juan c.Marini Vengai Mavangira Andrew claude Julie Moore Mahmoud A.Mohammad Nathalie L.Trottier Department of Animal Science Michigan State UniversityEast Lansing 48824USA State Key Laboratory of Swine and Poultry Breeding Industry Key Laboratory of Animal Nutrition and Feed Science in South ChinaMinistry of Agriculture and Rural AffairsGuangdong Provincial Key Laboratory of Animal Breeding and NutritionInstitute of Animal ScienceGuangdong Academy of Agricultural SciencesGuangzhou 510640PR China USDA/ArS children’s Nutrition research center and Pediatr.c critical care Medicine Department of PediatricsBaylor College of MedicineHoustonTX 77030USA Department of Large Animal clinical Sciences Michigan State UniversityEast LansingMI 48824USA Present address:Department of Animal Science Cornell UniversityFrank Morrison Hall507 Tower RoadIthacaNY 14853‑4801USA

Background The study objective was to test the hypothesis that low crude protein(cP)diet with crystalline amino acids(cAA)supplementation improves Lys utilization efficiency for milk production and reduces protein turnover and muscle protein *** lactating multiparous Yorkshire sows were allotted to 1 of 2 isocalor.c diets(10.80 MJ/kg net energy):control(cON;19.24%cP)and reduced cP with“optimal”AA profile(OPT;14.00%cP).Sow body weight and backfat were r.corded on d 1 and 21 of lactation and piglets were weighed on d 1,14,18,and 21 of *** d 14 and 18,a subset of 9 sows(cON=4,OPT=5)was infused with a mixed solution of 3-[methyl-2H3]histidine(bolus injection)and[13c]bicarbonate(priming dose)first,then a constant 2-h[13c]bicarbonate infusion followed by a 6-h primed constant[1-13c]lysine *** blood and milk sampling were performed to determine plasma and milk Lys enr.chment,Lys oxidation rate,whole body protein turnover,and muscle protein *** Over the 21-d lactation period,compared to cON,sows fed OPT had greater litter growth rate(Pcompared to cON,sows fed OPT had greater efficiency of Lys(Pry flux(Protein turnover efficiency(Pcompared to cON,sows fed OPT tended to have lower whole body protein breakdown rate(P=0.069).Muscle protein breakdown rate did not differ between OPT and cON(P=0.197).conclusion Feeding an improved AA balance diet increased efficiency of Lys and reduced whole-body protein turnover and protein *** results imply that the lower maternal N retention observed in lactating sows fed improved AA balance diets in previous studies may be a result of greater partitioning of AA towards milk rather than greater body protein breakdown.

关键词： Amino acid Efficiency Lactating sows Protein breakdown Protein turnover reduced protein diet

灾害场景下基于MADrL的信息收集无人机部署与节点能效优化

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计算机应用研究 2024年第7期41卷 2118-2125页

作者：李梦丽王霄米德昌孟磊贵州大学电气工程学院贵阳550025 北京邮电大学计算机学院(国家示范性软件学院) 北京100876

灾害场景下,对灾区内第一手重要信息的及时、可靠收集是灾害预警研究、灾区救援工作开展的关键。无人机是与灾区内部建立应急通信网络的高效辅助工具。通过对现有研究中应急场景下无人机的部署方法进行调查,指出了无人机部署时对节点能... 详细信息

灾害场景下,对灾区内第一手重要信息的及时、可靠收集是灾害预警研究、灾区救援工作开展的关键。无人机是与灾区内部建立应急通信网络的高效辅助工具。通过对现有研究中应急场景下无人机的部署方法进行调查,指出了无人机部署时对节点能效考虑不充分的问题。由于地面传感器节点位于灾区内部,环境恶劣且极为被动,所以结合灾害场景,首次以提高地面节点能效为优化目标,基于深度强化学习方法,在DDQN网络模型基础上,通过自定义经验回放优先级、合理设计奖励函数和采用完全去中心化训练方式,解决该特定场景下用于信息收集无人机的自适应部署问题。仿真结果表明,所提算法的节点能源效率比DDQN基准算法提高21%,训练速度相比DDPG、A3c算法分别提升42%和34%。

关键词：应急服务节点能效优化深度强化学习无人机部署

rapid prototyping of a polymer MEMS dropletdispenser by laser-assisted 3D printing

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microsystems & Nanoengineering 2023年第4期9卷 211-221页

作者： rémi courson Oleksii Bratash Ali Maziz cloéDesmet r.cardo Alvarado Meza Loïc Leroy Elodie Engel Arnaud Buhot Laurent Malaquin Thierry Leïchlé LAAS-cNrS Universitéde ToulouseCNRS31400 ToulouseFrance UniversitéGrenoble Alpes CNRSCEAIRIGSyMMES38000 GrenobleFrance Georgia Tech−cNrS International research Laboratory AtlantaGA 30332USA

In this work, we introduce a polymer version of a previously developed silicon MEMS drop deposition tool for surfacefunctionalization that consists of a micr.cantilever integrating an open fluidic channel and a reservoir. The device isfabr.cated by laser stereolithography, which offers the advantages of low-cost and fast prototyping. Additionally,thanks to the ability to pr.cess multiple materials, a magnetic base is incorporated into the cantilever for.convenienthandling and attachment to the holder of a robotized stage used for spotting. Droplets with diameters ranging from∼50 μm to ∼300 μm are printed upon dir.ct contact of the cantilever tip with the surface to pattern. Liquid loading isachieved by fully immersing the cantilever into a reservoir drop, where a single load results in the deposition of morethan 200 droplets. The influences of the size and shape of the cantilever tip and the reservoir on the printing outcomeare studied. As a proof-of-concept of the biofunctionalization capability of this 3D printed droplet dispenser,microarrays of oligonucleotides and antibodies displaying high specificity and no cross-contamination are fabr.cated,and droplets are deposited at the tip of an optical fiber bundle.

关键词： cantilever reservoir printing

Engineering in the 21st century:The Grand challenges and the Grand challenges Scholars Program

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Engineering 2020年第7期6卷 728-732页

作者： c.D.Mote jr. regents Professor University of MarylandUSA Past President US National Academy of EngineeringUSA

Prologue Engineering’s fundamental mission to“create for users”has served humanity,prehistor.c humanity,and other life forms,such as insects,fish,birds,and mammals,unwaveringly for hundreds to millions of *** distinguishes human engineering from the engineering of other life forms is the singular human capacity to envision a“creation for users,”then to create it and ultimately to implement it fulfilling an important“user need.”Other life forms pass down engineering creations likely learned from their predecessors through an evolutionary pr.cess,like creating anthills,beehives,and bird *** creations are learned replications of earlier experiences more than an intellectual response to new *** advancements without opening new frontiers limit advancement of a *** life forms above are exemplars among all the user species of engineering,but only human engineering leads to new creations that lead to remarkably significant user advancements.

关键词： frontier Grand hundreds

罗沙司他治疗初始血液透析并肾性贫血的效果及对铁代谢的影响

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临床合理用药杂志 2024年第12期17卷 41-44页

作者：邓觅罗贤珊贵州省黔南州人民医院 558000

目的观察罗沙司他治疗初始血液透析并肾性贫血的效果及对铁代谢的影响。方法选取2022年6月—2023年6月黔南州人民医院收治的初始血液透析并肾性贫血患者70例作为研究对象,按照随机数字表法分为促红素组与罗沙司他组,各35例。促红素组给... 详细信息

目的观察罗沙司他治疗初始血液透析并肾性贫血的效果及对铁代谢的影响。方法选取2022年6月—2023年6月黔南州人民医院收治的初始血液透析并肾性贫血患者70例作为研究对象,按照随机数字表法分为促红素组与罗沙司他组,各35例。促红素组给予人促红素注射液,罗沙司他组给予罗沙司他胶囊,2组均治疗3个月。比较2组治疗前及治疗3个月后贫血指标[血红蛋白(Hb)、红细胞计数(r.c)、血细胞比容(HcT)]、铁代谢指标[转铁蛋白饱和度(TSAT)、血清铁蛋白(SF)与血清铁(SI)]、血清c反应蛋白(crP),不良反应。结果治疗3个月后,2组Hb水平、r.c、HcT升高,且罗沙司他组高于促红素组(PcrP水平降低,且罗沙司他组低于促红素组(P<0.01)。罗沙司他组不良反应总发生率低于促红素组(2.86%vs.22.86%,χ^(2)=4.590,P=0.032)。结论罗沙司他治疗初始血液透析并肾性贫血可有效纠正贫血,改善铁代谢,减轻炎症,且用药安全性较高。

关键词：肾性贫血血液透析罗沙司他铁代谢炎性因子