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| 1 | The effects of probiotics administration on the milk production,milk components and fecal bacteria microbiota of dairy cows显示文摘Probiotics administration can improve host health.This study aims to determine the effects of probiotics(Lactobacillus casei Zhang and Lactobacillus plantarum P-8) administration on milk production,milk functional components,milk composition,and fecal microbiota of dairy cows.Variations in the fecal bacteria microbiota between treatments were assessed based on 16 S rRNA profiles determined by Pac Bio single molecule real-time sequencing technology.The probiotics supplementation significantly increased the milk production and the contents of milk immunoglobulin G(IgG),lactoferrin(LTF),lysozyme(LYS)and lactoperoxidase(LP),while the somatic cell counts(SCC) significantly decreased(P < 0.01).However,no significant difference was found in the milk fat,protein and lactose contents(P > 0.05).Although the probiotics supplementation did not change the fecal bacteria richness and diversity,significantly more rumen fermentative bacteria(Bacteroides,Roseburia,Ruminococcus,Clostridium,Coprococcus and Dorea) and beneficial bacteria(Faecalibacterium prausnitzii) were found in the probiotics treatment group.Meanwhile,some opportunistic pathogens e.g.Bacillus cereus,Cronobacter sakazakii and Alkaliphilus oremlandii,were suppressed.Additionally,we found some correlations between the milk production,milk components and fecal bacteria.To sum up,our study demonstrated the beneficial effects of probiotics application in improving the quality and quantity of cow milk production. | Haiyan Xu Weiqiang Huang Qiangchuan Hou Lai-yu Kwok Zhihong Sun Huimin Ma Feiyan Zhao Yuan-Kun Lee Heping Zhang | 2017 | Science Bulletin2017,62,11: | 21 |
| 2 | The Qitai radio telescope显示文摘This study presents a general outline of the Qitai radio telescope(QTT)project.Qitai,the site of the telescope,is a county of Xinjiang Uygur Autonomous Region of China,located in the east Tianshan Mountains at an elevation of about 1800 m.The QTT is a fully steerable,Gregorian-type telescope with a standard parabolic main reflector of 110 m diameter.The QTT has adopted an umbrella support,homology-symmetric lightweight design.The main reflector is active so that the deformation caused by gravity can be corrected.The structural design aims to ultimately allow high-sensitivity observations from 150 MHz up to115 GHz.To satisfy the requirements for early scientific goals,the QTTwill be equipped with ultra-wideband receivers and large field-of-view multi-beam receivers.A multi-function signal-processing system based on RFSo C and GPU processor chips will be developed.These will enable the QTT to operate in pulsar,spectral line,continuum and Very Long Baseline Interferometer(VLBI)observing modes.Electromagnetic compatibility(EMC)and radio frequency interference(RFI)control techniques are adopted throughout the system design.The QTT will form a world-class observational platform for the detection of lowfrequency(nano Hertz)gravitational waves through pulsar timing array(PTA)techniques,pulsar surveys,the discovery of binary black-hole systems,and exploring dark matter and the origin of life in the universe.The QTT will also play an important role in improving the Chinese and international VLBI networks,allowing high-sensitivity and high-resolution observations of the nuclei of distant galaxies and gravitational lensing systems.Deep astrometric observations will also contribute to improving the accuracy of the celestial reference frame.Potentially,the QTT will be able to support future space activities such as planetary exploration in the solar system and to contribute to the search for extraterrestrial intelligence. | Na Wang Qian Xu Jun Ma Zhiyong Liu Qi Liu Hailong Zhang Xin Pei Maozheng Chen Richard N.Manchester Kejia Lee Xingwu Zheng Hans J.Kärcher Wulin Zhao Hongwei Li Dongwei Li Martin Süss Matthias Reichert Zhongyi Zhu Congsi Wang Mingshuai Li Rui Li Ning Li Guljaina Kazezkhan Wenming Yan Gang Wu Lang Cui Ming Zhang Haitao Li | 2023 | Science China(Physics,Mechanics & Astronomy)2023,66,8: | 14 |
| 3 | A new prognostic histopathologic classification of nasopharyngeal carcinoma显示文摘Background:The current World Health Organization(WHO) classification of nasopharyngeal carcinoma(NPC) con?veys little prognostic information.This study aimed to propose an NPC histopathologic classification that can poten?tially be used to predict prognosis and treatment response.Methods:We initially developed a histopathologic classification based on the morphologic traits and cell differentia?tion of tumors of 2716 NPC patients who were identified at Sun Yat?sen University Cancer Center(SYSUCC)(training cohort).Then,the proposed classification was applied to 1702 patients(retrospective validation cohort) from hospitals outside SYSUCC and 1613 patients(prospective validation cohort) from SYSUCC.The efficacy of radiochemotherapy and radiotherapy modalities was compared between the proposed subtypes.We used Cox proportional hazards models to estimate hazard ratios(HRs) with 95% confidence intervals(CI) for overall survival(OS).Results:The 5?year OS rates for all NPC patients who were diagnosed with epithelial carcinoma(EC;3708 patients),mixed sarcomatoid?epithelial carcinoma(MSEC;1247 patients),sarcomatoid carcinoma(SC;823 patients),and squamous cell carcinoma(SCC;253 patients) were 79.4%,70.5%,59.6%,and 42.6%,respectively(P < 0.001).In mul?tivariate models,patients with MSEC had a shorter OS than patients with EC(HR = 1.44,95% CI = 1.27–1.62),SC(HR = 2.00,95% CI = 1.76–2.28),or SCC(HR = 4.23,95% CI = 3.34–5.38).Radiochemotherapy significantly improved survival compared with radiotherapy alone for patients with EC(HR 49–0.75),and possibly for those with SCC(HR = 0.67,95% CI = 0.56–0.80),MSEC(HR = 0.58,95% CI = 0..74–1.28).= 0.63;95% CI = 0.40–0.98),but not for patients with SC(HR = 0.97,95% CI = 0Conclusions:The proposed classification offers more information for the prediction of NPC prognosis compared with the WHO classification and might be a valuable tool to guide treatment decisions for subtypes that are associ?ated with a poor prognosis. | Hai-Yun Wang Yih-Leong Chang Ka-Fai To Jacqueline S.G.Hwang Hai-Qiang Mai Yan-Fen Feng Ellen T.Chang Chen-Ping Wang Michael Koon Ming Kam Shie-Lee Cheah Ming Lee Li Gao Hui-Zhong Zhang Jie-Hua He Hao Jiang Pei-Qing Ma Xiao-Dong Zhu Liang Zeng Chun-Yan Chen Gang Chen Ma-Yan Huang Sha Fu Qiong Shao An-Jia Han Hai-Gang Li Chun-Kui Shao Pei-Yu Huang Chao-Nan Qian Tai-Xiang Lu Jin-Tian Li Weimin Ye Ingemar Ernberg Ho Keung Ng Joseph T.S.Wee Yi-Xin Zeng Hans-Olov Adami Anthony T.C.Chan Jian-Yong Shao | 2016 | Chinese Journal of Cancer2016,35,6: | 10 |
| 4 | Factors associated with post-pancreaticoduodenectomy hemorrhage: 303 consecutive cases analysis显示文摘 | GAO Qing-xiang LEE Hua-yu WU Wen-han GAO Song YANG Yin-mo MA Irene Teting CAI Meng-shan | 2012 | Chinese Medical Journal2012,,9: | 10 |
| 5 | 鼠尾草酚抗乳腺癌细胞增殖活性及其雌激素受体亚型介导和调节机制的研究显示文摘既往研究已经表明,鼠尾草酚(carnoso1)具有一定的抗乳腺癌效应,但其ER亚型特异性调节和介导机制与该物质抑制细胞增殖效应的相关性尚不清楚。该研究利用雌激素受体(ER)阳性乳腺癌T47D细胞观察鼠尾草酚对细胞增殖活性的影响及其雌激素受体α,卢亚型特异性介导和调节机制。以ERα和ERβ特异性拮抗剂MPP,PHTPP为工具药,采用MTT细胞增殖实验观察鼠尾草酚对T47D细胞增殖的影响;检测T47D细胞增殖周期的变化。利用Western blot方法检测鼠尾草酚对T47D细胞ERα和ERβ表达情况的影响。研究发现,1×10^(-5)~1×10^(-7)mol·L^(-1)鼠尾草酚能够显著抑制T47D细胞增殖,该抑制作用可被ERα拮抗剂MPP增强、被ERβ拮抗剂PHTPP减弱;1×10^(-1),1×10^(-6)mol·L^(-1)鼠尾草酚可使T47D细胞增殖指数显著下降。Western blot检测结果显示1×10^(-5),1×10^(-6)mol·L^(-1)鼠尾草酚可使T47D细胞ERα和ERβ蛋白表达显著增加,并可明显提高ERα/ERβ。结果表明鼠尾草酚具有抑制ER阳性乳腺癌细胞增殖的作用,其效应是通过靶细胞雌激素受体,特别是ERβ途径实现的;同时,鼠尾草酚对靶细胞雌激素受体ERα和ERβ亚型的表达及其比例具有调节功能。 | 赵丕文 David Yue-Wei LEE Zhongze Ma 孙艳玲 陶仕英 臧金凤 牛建昭 | 2014 | 中国中药杂志2014,39,17: | 10 |
| 6 | Mechanosignaling activation of TGFβmaintains intervertebral disc homeostasis显示文摘Intervertebral disc(IVD) degeneration is the leading cause of disability with no disease-modifying treatment.IVD degeneration is associated with instable mechanical loading in the spine, but little is known about how mechanical stress regulates nucleus notochordal(NC) cells to maintain IVD homeostasis. Here we report that mechanical stress can result in excessive integrin α_vβ_6-mediated activation of transforming growth factor beta(TGFβ), decreased NC cell vacuoles, and increased matrix proteoglycan production, and results in degenerative disc disease(DDD). Knockout of TGFβ type II receptor(TβRII) or integrin α_v in the NC cells inhibited functional activity of postnatal NC cells and also resulted in DDD under mechanical loading.Administration of RGD peptide, TGFβ, and α_vβ_6-neutralizing antibodies attenuated IVD degeneration. Thus,integrin-mediated activation of TGFβ plays a critical role in mechanical signaling transduction to regulate IVD cell function and homeostasis. Manipulation of this signaling pathway may be a potential therapeutic target to modify DDD. | Qin Bian Lei Ma Amit Jain Janet L Crane Khaled Kebaish Mei Wan Zhengdong Zhang X Edward Guo Paul D Sponseller Cheryle A Seguin Lee H Riley Yongjun Wang Xu Cao | 2017 | Bone Research2017,5,1: | 9 |
| 7 | Application of Cellulose Nanofibril as a Wet-end Additive in Papermaking:A Brief Review显示文摘Recently,cellulose nanofibril(CNF)has emerged as a promising,sustainable reinforcement with outstanding potential in material science.Owing to the properties of CNF,it has been explored in food,cosmetic,and pharmaceutical applications,as well as in industrial applications such as paints,drill muds,packaging,and papermaking.The application of CNF in papermaking is expected to be implemented in the near future to broaden the commercial market of cellulose.Numerous studies and patents have reported on the manufacturing,properties,and applications of nanocellulose.This present paper focuses on the recent progresses in the application of CNF as a wet-end additive in papermaking. | Guihua Yang Guangrui Ma Ming He Xinxiang Ji Hye Jung Youn Hak Lae Lee Jiachuan Chen | 2020 | Paper And Biomaterials2020,5,2: | 9 |
| 8 | Sustaining enhanced condensation on hierarchical mesh-covered surfaces显示文摘Controlling the solid–liquid–vapor tri-phase interface is of fundamental importance for a broad range of industrial applications including biomedical engineering, energy production and utilization, environmental control, water production, and thermal management. Although a lot of progress has been made over the past few decades on surface manipulation for promoting droplet removal, it is challenging to accelerate both droplet growth and surface refreshing for enhancing vapor-to-liquid condensation. Here we present a superhydrophobic hierarchical mesh-covered(hi-mesh) surface to enable continuous sucking flow of liquid condensate, which achieves fourfold-higher droplet growth and 36.8% faster surface refreshing compared to the state-of-the-art dropwise condensation. Unprecedented enhanced condensation heat transfer is observed to be sustained over a wide range of surface subcooling on the hi-mesh surfaces. This demonstration of sustained enhanced condensation enhancement is not only of fundamental scientific importance, but also provides a viable strategy for large-scale deployment of micro/nanostructured surfaces in a diverse range of technologies. | Rongfu Wen Shanshan Xu Dongliang Zhao Lixin Yang Xuehu Ma Wei Liu Yung-Cheng Lee Ronggui Yang | 2018 | National Science Review2018,5,6: | 9 |
| 9 | Effect of platinum on the photocatalytic degradation of chlorinated organic compound显示文摘TiO 2 nanoparticles, doped with different Pt contents, were prepared by a modified photodeposition method using Degussa P-25 TiO 2 , H 2 PtCl 6 ·6H 2 O and methanol as the solvents. The physicochemical properties of Pt/TiO 2 were investigated by the nitrogen adsorption and desorption isotherm measurement technique, X-ray diffraction analysis and photoluminescence spectra, respectively. Reaction rates from photocatalytic removal of dichloromethane over Degussa P-25 TiO 2 and Pt/TiO 2 were evaluated. The average diameter and BET surface area of the TiO 2 catalyst particles were 300 nm and 50 m 2 /g, respectively. The degradation efficiency was 99.0%, 82.7%, 55.2%, and 57.9% with TiO 2 at inlet concentrations of 50, 100, 200, and 300 ppm, respectively. And the degradation efficiency was 99.3%, 79.7%, 76.5%, and 73.4% with a 0.005 wt.% Pt/TiO 2 at inlet concentrations of 50, 100, 200, and 300 ppm, respectively. In addition, we found that the photoluminescence emission peak intensities decreased with increases in the doping amount of Pt, which indicates that the irradiative recombination was weakened. Furthermore, the results showed that the UV/0.005 wt.% Pt/TiO 2 process was capable of efficiently decomposing gaseous DCM in air. | Chih Ming Ma Ya Wen Lee Gui Bing Hong Te Li Su Je Lueng Shie Chang Tang Chang | 2011 | Journal of Environmental Sciences2011,23,4: | 5 |
| 10 | Mesenchymal stem cell treatment improves outcome of COVID-19 patients via multiple immunomodulatory mechanisms显示文摘The infusion of coronavirus disease 2019(COVID-19)patients with mesenchymal stem cells(MSCs)potentially improves clinical symptoms,but the underlying mechanism remains unclear.We conducted a randomized,single-blind,placebo-controlled(29 patients/group)phase II clinical trial to validate previous findings and explore the potential mechanisms.Patients treated with umbilical cord-derived MSCs exhibited a shorter hospital stay(P=0.0198)and less time required for symptoms remission(P=0.0194)than those who received placebo.Based on chest images,both severe and critical patients treated with MSCs showed improvement by day 7(P=0.0099)and day 21(P=0.0084).MSC-treated patients had fewer adverse events.MSC infusion reduced the levels of C-reactive protein,proinflammatory cytokines,and neutrophil extracellular traps(NETs)and promoted the maintenance of SARS-CoV-2-specific antibodies.To explore how MSCs modulate the immune system,we employed single-cell RNA sequencing analysis on peripheral blood.Our analysis identified a novel subpopulation of VNN2+hematopoietic stem/progenitorlike(HSPC-like)cells expressing CSF3R and PTPRE that were mobilized following MSC infusion.Genes encoding chemotaxis factors—CX3CR1 and L-selectin—were upregulated in various immune cells.MSC treatment also regulated B cell subsets and increased the expression of costimulatory CD28 in T cells in vivo and in vitro.In addition,an in vivo mouse study confirmed that MSCs suppressed NET release and reduced venous thrombosis by upregulating kindlin-3 signaling.Together,our results underscore the role of MSCs in improving COVID-19 patient outcomes via maintenance of immune homeostasis. | Rongjia Zhu Tingdong Yan Yingmei Feng Yan Liu Hongcui Cao Gongxin Peng Yanlei Yang Zhen Xu Jingqi Liu Wei Hou Xiaoyue Wang Zhe Li Luchan Deng Shihua Wang Jing Li Qin Han Hongling Li Guangliang Shan Yinghao Cao Xingyan An Jianshe Yan Zhonghui Zhang Huafei Li Xuebin Qu Jiaqi Zhu Shumin Zhou Jiao Wang Fengchun Zhang Jinming Gao Ronghua Jin Dayong Xu Yan-Qing Ma Tao Huang Shuang Peng Zhi Zheng Ilia Stambler Eric Gilson Lee Wei Lim Alexey Moskalev Antonio Cano Sasanka Chakrabarti Brun Ulfhake Huanxing Su Haoying Xu Sihuan Xu Feng Wei Holly MBrown-Borg Kyung-Jin Min Georgina Ellison-Hughes Calogero Caruso Kunlin Jin Robert Chunhua Zhao | 2021 | Cell Research2021,31,12: | 5 |
| 11 | Tunable multiband terahertz metamaterials using a reconfigurable electric split-ring resonator array显示文摘We demonstrate micromachined reconfigurable metamaterials working at multiple frequencies simultaneously in the terahertz range.The proposed metamaterial structures can be structurally reconfigured by employing flexible microelectromechanical system-based cantilevers in the resonators,which are designed to deform out of plane under an external stimulus.The proposed metamaterial structures provide not only multiband resonance frequency operation but also polarization-dependent tunability.Three kinds of metamaterials are investigated as electric split-ring resonator(eSRR)arrays with different positions of the split.By moving the position of the split away from the resonator’s center,the eSRR exhibits anisotropy,with the dipole resonance splitting into two resonances.The dipole–dipole coupling strength can be continuously adjusted,which enables the electromagnetic response to be tailored by adjusting the direct current(DC)voltage between the released cantilevers and the silicon substrate.The observed tunability of the eSRRs is found to be dependent on the polarization of the incident terahertz wave.This polarization-dependent tunability is demonstrated by both experimental measurements and electromagnetic simulations. | Fusheng Ma Yu-Sheng Lin Xinhai Zhang Chengkuo Lee | 2014 | Light(Science & Applications)2014,3,1: | 5 |
| 12 | Addition Al and/or Ti Induced Modifi cations of Microstructures, Mechanical Properties, and Corrosion Properties in CoCrFeNi High-Entropy Alloy Coatings显示文摘The purpose of this work is to study the influences of Al and/or Ti addition on the microstructures, mechanical properties and corrosion properties of CoCrFeNi-(Al, Ti) high entropy alloy(HEA) coatings. Three coatings, AlCoCrFeNi(Ⅰ), CoCrFeNiTi_(0.5)(Ⅱ) and AlCoCrFeNiTi_(0.5)(Ⅲ), were fabricated by laser cladding successfully. The AlCoCrFeNi(Ⅰ) coating exhibited a simple body-centered cubic(BCC) solid-solution structure, whereas the CoCrFeNiTi_(0.5)(Ⅱ) alloy exhibited a face-centered cubic(FCC) solid-solution and a small amount of Laves phase. The BCC phases in AlCoCrFeNiTi _(0.5)(Ⅲ) coating were characterized as Fe–Cr rich disordered BCC phases(A2) and Al-Ni–Ti-rich ordered BCC phases(L2_1) separately. The AlCoCrFeNiTi_(0.5)(Ⅲ) coating with dual-phase BCC structure showed the optimal performance of both mechanical and corrosion properties, which was superior to BCC-based AlCoCrFeNi(Ⅰ) and FCC-based CoCrFeNiTi_(0.5)(Ⅱ) coatings. Nanoindentation tests and quantitative investigations on the strengthening mechanisms of AlCoCrFeNiTi_(0.5)(Ⅲ) coating were conducted, suggesting that the precipitation strengthening is the dominant strengthening mechanism. In short, the addition of moderate amount of Al and Ti in CoCrFeNi HEA shows potential for the development of a high strength and corrosion-resistant coating. | Guoliang Ma Yong Zhao Hongzhi Cui Xiaojie Song Mingliang Wang Kwangmin Lee Xiaohua Gao Qiang Song Canming Wang | 2021 | Acta Metallurgica Sinica(English Letters)2021,34,8: | 4 |
| 13 | Pyrroloquinoline quinone regulates the redox status in vitro and in vivo of weaned pigs via the Nrf2/HO-1 pathway显示文摘Background:Oxidative stress is a main cause of piglet gut damage and diarrhea.Pyrroloquinoline quinone(PQQ),is a novel redox cofactor with antioxidant properties.However,the effect and mechanism that PQQ supplementation decreases oxidative injury in weaned pigs is not understood.Therefore,the aim of this study is to confirm the effect of PQQ on regulating redox status in weaned pigs and the mechanism for antioxidant function by porcine intestinal epithelial cell line(IPEC-J2)challenged with H_(2)O_(2).Results:Experiment 1,144 Duroc×Landrace×Yorkshire pigs(weaned at 28 d)were allocated to four groups:received a basal diet(control)and diets supplemented with 0.15%,0.30%and 0.45%PQQ,respectively.On d 28,growth performance,diarrhea incidence and redox factors were measured.Experiment 2,IPEC-J2 were treated with or without PQQ in the presence or absence of H_(2)O_(2)for indicated time points.Experiment 3,IPEC-J2 were transfected with or without Nrf2 siRNA,then treated according to Experiment 2.The cell viability,redox factors,protein of tight junctions and Nrf2 pathway were determined.In vivo,PQQ supplementation demonstrated dose-related improvements in average daily gain,and gain to feed ratio(Linear P<0.05).During d 0–28,compared to controls,0.45%PQQ supplementation for pigs decreased diarrhea incidence and MDA content in liver and jejunum,and increased concentration of SOD in liver;0.3%PQQ supplementation decreased ileal and liver MDA concentration;and 0.15%PQQ supplementation decreased ileal MDA concentration(P<0.05).In vitro,compared to cells cultured with H_(2)O_(2),pre-treatment with PQQ increased cell viability,tight junction proteins expression including ZO-1,ZO-2,Occludin and Claudin-1;and decreased ROS concentration and level of Caspase-3(P<0.05);as well as upregulated the ratio of Bcl-2 to Bax and protein expression of nuclear Nrf2,HO-1.Notably,Nrf2 knockdown by transfection with Nrf2 siRNA largely abrogated the positive effects of PQQ pretreatment on H_(2)O_(2)-induced intracellular changes.Conclusions:PQQ administration attenuated oxidative stress in weaned pigs which is associated with activation of Nrf2/HO-1 pathway. | Caiyun Huang Zijuan Fan Dandan Han Lee J.Johnston Xi Ma Fenglai Wang | 2021 | Journal of Animal Science and Biotechnology2021,12,4: | 4 |
| 14 | Identification and Characterization of Tumorigenic Liver Cancer Stem/Progenitor Cells显示文摘 | Stephanie Ma Kwok–Wah Chan Liang Hu Terence Kin–Wah Lee Jana Yim–Hung Wo Irene Oi–Lin Ng Bo–Jian Zheng Xin–Yuan Guan | 2007 | Gastroenterology2007,,7: | 4 |
| 15 | Mitochondrial H2O2 generated from electron transport chain complex I stimulates muscle differentiation显示文摘Mitochondrial 反应的氧种类(mROS ) 被认为有害到房间。然而,他们的生理的角色一直不作为表明调停人是彻底地探索了。这里,我们调查了 mROS 是否从 mitochondrial 电子运输链(mETC ) 产生了复杂我刺激了肌肉区别。我们的结果证明 mROS 的数量被增加并且锰 superoxide dismutase (MnSOD ) 在肌肉区别期间经由 NF-B 激活被导致。指向线粒体的抗氧化剂(MitoQ 和 MitoTEMPOL ) 和指向线粒体的过氧化氢酶减少了没有影响 ATP 的数量的 mROS 数量和压制的肌肉区别。Mitochondrial 改变包括在线粒体的数字和尺寸的 mitochondrial 抄写因素 A 和增加的正式就职,并且功能的激活在肌肉区别期间被观察。特别地,增加了 mETC 建筑群的表示层次我子单元和建筑群的一项更高的活动我比另外的建筑群被观察。毒鱼藤素, mETC 建筑群的一个禁止者我,减少 mitochondrial NADH/NAD+ 比率和 mROS 层次在肌肉区别期间。mROS 铺平的我用小介入 RNA 和毒鱼藤素减少了的建筑群的抑制,压制的肌肉区别,和有伴随物的弄空的 ATP 层次在 glycolysis 增加。从这些结果,我们结束那复杂我导出 | Seonmin Lee Eunyoung Tak Jisun Lee MA Rashid Michael P Murphy Joohun Ha Sung Soo Kim | 2011 | Cell Research2011,21,5: | 4 |
| 16 | Multi-timescale robust dispatching for coordinated automatic generation control and energy storage显示文摘The increasing penetration of renewable energy into power grids is reducing the regulation capacity of automatic generation control(AGC).Thus,there is an urgent demand to coordinate AGC units with active equipment such as energy storage.Current dispatch decision-making methods often ignore the intermittent effects of renewable energy.This paper proposes a two-stage robust optimization model in which energy storage is used to compensate for the intermittency of renewable energy for the dispatch of AGC units.This model exploits the rapid adjustment capability of energy storage to compensate for the slow response speed of AGC units,improve the adjustment potential,and respond to the problems of intermittent power generation from renewable energy.A column and constraint generation algorithm is used to solve the model.In an example analysis,the proposed model was more robust than a model that did not consider energy storage at eliminating the effects of intermittency while offering clear improvements in economy and efficiency. | Yiran Ma Xueshan Han Ming Yang Wei-Jen Lee | 2020 | Global Energy Interconnection2020,3,4: | 4 |
| 17 | GeoChip-based analysis of the microbial community functional structures in simultaneous desulfurization and denitrification process显示文摘The elemental sulfur(S0) recovery was evaluated in the presence of nitrate in two development models of simultaneous desulfurization and denitrification(SDD) process. At the loading rates of 0.9 kg S/(m3·day) for sulfide and 0.4 kg N/(m3·day) for nitrate, S0 conversion rate was 91.1% in denitrifying sulfide removal(DSR) model which was higher than in integrated simultaneous desulfurization and denitrification(ISDD) model(25.6%). A comprehensive analysis of functional diversity, structure and metabolic potential of microbial communities was examined in two models by using functional gene array(GeoChip 2.0). GeoChip data indicated that diversity indices, community structure, and abundance of functional genes were distinct between two models. Diversity indices(Simpson's diversity index(1/D) and Shannon–Weaver index(H′)) of all detected genes showed that with elevated influent loading rate, the functional diversity decreased in ISDD model but increased in DSR model. In contrast to ISDD model, the overall abundance of dsr genes was lower in DSR model, while some functional genes targeting from nitrate-reducing sulfide-oxidizing bacteria(NR-SOB), such as Thiobacillus denitrificans, Sulfurimonas denitrificans, and Paracoccus pantotrophus were more abundant in DSR model which were highly associated with the change of S0 conversion rate obtained in two models. The results obtained in this study provide additional insights into the microbial metabolic mechanisms involved in ISDD and DSR models, which in turn will improve the overall performance of SDD process. | Hao Yu Chuan Chen Jincai Ma Wenzong Liu Jizhong Zhou Duu-Jong Lee Nanqi Ren Aijie Wang | 2014 | Journal of Environmental Sciences2014,26,7: | 3 |
| 18 | Smooth muscle cell derived carbon monoxide is a regulator of vascular cGMP显示文摘 | Morita T Perrella MA Lee ME | 1995 | Cell Biology1995,92,5: | 3 |
| 19 | Eradication of Helicobacter pylori for prevention of ulcer recurrence after simple closure of perforated peptic ulcer: A meta-analysis of randomized controlled trials显示文摘 | Chung-Shun Wong Chee-Fah Chia Hung-Chia Lee Po-Li Wei Hon-Ping Ma Shin-Han Tsai Chih-Hsiung Wu Ka-Wai Tam | 2013 | Journal of Surgical Research2013,,2: | 3 |
| 20 | Review on observational studies of western tropical Pacific Ocean circulation and climate显示文摘The Western Tropical Pacific(WTP) Ocean holds the largest area of warm water(>28℃) in the world ocean referred to as the Western Pacific Warm Pool(WPWP),which modulates the regional and global climate through strong atmospheric convection and its variability.The WTP is unique in terms of its complex 3-D ocean circulation system and intensive multiscale variability,making it crucial in the water and energy cycle of the global ocean.Great advances have been made in understanding the complexity of the WTP ocean circulation and associated climate impact by the international scientific community since the 1960 s through field experiments.In this study,we review the evolving insight to the 3-D structure and multi-scale variability of the ocean circulation in the WTP and their climatic impacts based on in-situ ocean observations in the past decades,with emphasis on the achievements since 2000.The challenges and open que stions remaining are reviewed as well as future plan for international study of the WTP ocean circulation and climate. | HU Dunxin WANG Fan SPRINTALL Janet WU Lixin RISER Stephen CRAVATTE Sophie GORDON Arnold ZHANG Linlin CHEN Dake ZHOU Hui ANDO Kentaro WANG Jianing LEE Jae-Hak HU Shijian WANG Jing ZHANG Dongxiao FENG Junqiao LIU Lingling VILLANOY Cesar KALUWIN Chalapan QU Tangdong MA Yixin | 2020 | Journal of Oceanology and Limnology2020,38,4: | 3 |