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    题名 作者 年代 出处 被引量
1Enhanced efficiency of generating induced pluripotent stem (iPS) cells from human somatic cells by a combination of six transcription factors显示文摘Jing Liao Zhao Wu Ying Wang Lu Cheng Chun Cui Yuan Gao Taotao Chen Lingjun Rao Siye Chen Nannan Jia Huiming Dai Shunmei Xin Jiuhong Kang Gang Pei Lei Xiao 2008Cell Research2008,18,5:61
2Reprogramming of ovine adult fibroblasts to pluripotency via drug-inducible expression of defined factors显示文摘在 enucleated 鸡蛋的体的房间的 Reprogramming 做了多丽,绵羊,在 1996 的第一个成功地克隆的哺乳动物。然而,绵羊的机制体的房间 reprogramming 还没被探讨了。而且,绵羊胚胎的茎(ES ) 细胞仍然不是可得到的,它限制精确修改基因的绵羊的产生。在这研究,我们报导体的房间能是的那只绵羊直接 reprogrammed 到导致的 pluripotent 用定义因素(Oct4, Sox2, c-Myc, Klf4, Nanog, Lin28, SV40 大 T 和 hTERT ) 的茎(iPS ) 房间。我们的观察显示从绵羊的体的细胞比从另外的种,在 iPS,细胞被报导了的体的细胞对改编更困难。我们证明绵羊 iPS 房间表示 ES 房间标记,包括碱的磷酸酶, Oct4, Nanog, Sox2, Rex1,阶段特定的胚胎的 antigen-1, TRA-1-60, TRA-1-81 和 E-cadherin。绵羊 iPS 房间展出了正常 karyotypes 并且能在 vitro 并且在 teratomas 区分进所有三细菌层。我们的学习可以帮助在绵羊揭示体的房间 reprogramming 的机制并且提供一个平台为绵羊 ES 房间探索文化条件。而且,绵羊 iPS 房间可以直接被用来产生精确修改基因的绵羊。Lei Bao Lixiazi He Jijun Chen Zhao Wu Jing Liao Lmgdun Rao Jiangtao Ren Hui Li Hui Zhu Lei Qian Yijun Gu Huimin Dai Xun Xu Jinqiu Zhou Wen Wang Chun Cui Lei Xiao 2011Cell Research2011,21,4:32
3RVA and Farinograph Properties Study on Blends of Resistant Starch and Wheat Flour显示文摘Resistant starch (RS) is the undigested starch that passes through the small intestine to the large intestine. As afunctional low calorie additive, it has special applications in the food industry. Rapid visco analysis (RVA) and theBrabender farinograph were used to study the pasting properties and the viscoelasticity of blends of RS (RS3 and RS2)and three wheat flours. The wheat flours represented strong gluten wheat (SGW), intermediate gluten wheat (IGW), andweak gluten wheat (WGW) flours, at different levels of RS substitution (0, 5, 10, 15, and 20%). The influence of RS3 on thecontrol wheat flours and RS-wheat flour blends were consistent with those of RS2. The peak, trough, and final viscositiesof RS3-wheat flour blends were higher than those of the corresponding RS2-wheat flour blends. The peak, trough,breakdown, final, and setback viscosities of wheat-RS blends decreased with an increase in resistant starch contents from0 to 20% in the blends. The 0-20% RS-wheat flour blends were all able to form doughs. The dough development times,dough stabilities, dough breakdown times, and farinograph quality numbers for the RS-wheat flour blends decreased asthe RS proportion in the blends increased. The values for RS-SGW flour blends were the highest, followed by RS-IGWand then RS-WGW flour blends. The water absorption values for RS-wheat flour blends and the mixing tolerance index forRS-WGW flour blends were found to increase significantly with an increasing proportion of RS from 0 to 20%, but themixing tolerance index for RS-SGW and RS-IGW flour blends showed no significant differences amongst the differentratios. Correlation analysis showed that the Farinograph quality number was highly positively correlated with doughbreakdown time, dough stability, and dough development time (r = 1.000, 0.958, 0.894), and highly negatively correlatedwith the mixing tolerance index (r = -0.890). Data from this study can be used for the development of dough-basedproducts. It also provides a basis for RS-wheat flour blends and quality evaluation in the food industry.FU Lei TIAN Ji-chun SUN Cai-ling LI Chun 2008Agricultural Sciences in China2008,7,7:17
4In vitro differentiation of rat embryonic stem cells into functional cardiomyocytes显示文摘在老鼠的产生的最近的突破胚胎的干细胞(rESCs ) 打开门到基因指向为人的疾病的学习创造模型的申请。另外,在里面从进三细菌层的衍生物的 rESCs 的 vitro 区别系统将为哺乳动物的开发,房间函数,织物修理,和药发现的调查用作一个强大的工具和资源。然而,这些使用被困难限制了在 vitro 区别。这研究的目的是建立一在里面从 rESCs 并且到的 vitro 区别系统调查 rESCs 是否能够形成区分终端的 cardiomyocytes。用最新确定的 rESCs,我们发现那胚胎植物或动物身体(EB ) 基于在没能为没有浆液的栽培 rESCs 工作的老鼠转换字符(mESC ) 区别使用的方法。我们然后由三个化学禁止者和喂调节媒介的联合开发了一个协议。在这个条件下面, rESCs 变成了 EB,宣传并且区分三胚胎的细菌层。而且,形成 rESC 的 EB 能区分进自发地在 plating 以后打败 cardiomyocytes。分子、结构、功能的性质的分析表明导出 rESC 的 cardiomyocytes 类似于从胎儿的老鼠心和 mESCs 导出的那些。在结论,我们成功地发展了一在里面为功能的 myocytes 通过被产生并且显示老鼠的显型的 rESCs 的 vitro 区别系统胎儿的 cardiomyocytes。这个唯一的细胞的系统将提供一条新途径学习早开发和心脏的功能,并且在测试的药理学和房间治疗用作一个重要工具。Nan Cao Jing Liao Zumei Liu Wenmin Zhu Jia Wang Lijun Liu Lili Yu Ping Xu Chun Cui Lei Xiao Huang-Tian Yang 2011Cell Research2011,21,9:13
5The Impacts of Mosquito Density and Meteorological Factors on Dengue Fever Epidemics in Guangzhou, China, 2006-2014: a Time-series Analysis显示文摘Objective To explore the associations between the monthly number of dengue fever(DF) cases and possible risk factors in Guangzhou, a subtropical city of China. Methods The monthly number of DF cases, Breteau Index(BI), and meteorological measures during 2006-2014 recorded in Guangzhou, China, were assessed. A negative binomial regression model was used to evaluate the relationships between BI, meteorological factors, and the monthly number of DF cases. Results A total of 39,697 DF cases were detected in Guangzhou during the study period. DF incidence presented an obvious seasonal pattern, with most cases occurring from June to November. The current month's BI, average temperature(Tave), previous month's minimum temperature(Tmin), and Tave were positively associated with DF incidence. A threshold of 18.25 °C was found in the relationship between the current month's Tmin and DF incidence. Conclusion Mosquito density, Tave, and Tmin play a critical role in DF transmission in Guangzhou. These findings could be useful in the development of a DF early warning system and assist in effective control and prevention strategies in the DF epidemic.SHEN Ji Chuan LUO Lei LI Li JING Qin Long OU Chun Quan YANG Zhi Cong CHEN Xiao Guang 2015Biomedical and Environmental Sciences2015,28,5:12
6Wafer-scale synthesis of monolayer WS2 for high-performance flexible photodetectors by enhanced chemical vapor deposition显示文摘Changyong Lan Ziyao Zhou Zhifei Zhou Chun Li Lei Shu Lifan Shen Dapan Li Ruoting Dong SenPo Yip Johnny C. Ho 2018Nano Research2018,11,6:12
7Chang'E-1 Lunar Mission:An Overview and Primary Science Results显示文摘Chang'E-1 is the first lunar mission in China,which was successfully launched on Oct.24th,2007.It was guided to crash on the Moon on March 1,2009,at 52.36°E,1.50°S,in the north of Mare Fecunditatis.The total mission lasted 495 days,exceeding the designed life-span about four months.1.37Terabytes raw data was received from Chang'E-1.It was then processed into 4Terabytes science data at different levels.A series of science results have been achieved by analyzing and applicating these data,especially 'global image of the Moon of China's first lunar exploration mission'.Four scientific goals of Chang'E-1 have been achieved.It provides abundant materials for the research of lunar sciences and cosmochemistry.Meanwhile these results will serve for China's future lunar missions.Ouyang Ziyuan Li Chunlai Lu Chang Liu Jianzhong Zou Yongliao Zhang Hongbo Jianjun Zuo Wei Su Yah Wen Weibin Bian Wei Zhao Baochang Wang Jianyu Yang Jianfeng Chang Jin Wang Huanyu Zhang Xiaohui Wang Shijin Wang Min Ren Xin Mu Lingli Kong Deqing Wang Xiaoqian Wang Fang Geng Liang Zhang Zhoubin Zheng Lei Zhu Xinying Zheng Yongchun Li Junduo Zou Xiaoduan Xu Chun Shi Shuobiao Gao Yifei Gao Guannan 2010空间科学学报2010,30,5:11
8Typical atmospheric haze during crop harvest season in northeastern China:A case in the Changchun region显示文摘This study presents the mass concentrations of PM_(2.5),O_3,SO_2 and NOxat one urban,one suburban and two rural locations in the Changchun region from September 25 to October 272013. Major chemical components of PM_(2.5)at the four sites were daily sampled and analyzed. Most of daily concentrations of SO_2(7–82 μg/m^3),O_3(27–171 μg/m^3) and NOx(14–213 μg/m^3) were below the limits of the National Ambient Air Quality Standard(NAAQS)in China. However,PM_(2.5)concentrations(143–168 μg/m^3) were 2-fold higher than NAAQS.Higher PM_(2.5)concentrations(~ 150 μg/m^3) were measured during the pre-harvest and harvest at the urban site,while PM_(2.5)concentrations significantly increased from 250 to400 μg m^(-3) at suburban and rural sites with widespread biomass burning. At all sites,PM_(2.5)components were dominated by organic carbon(OC) and followed by soluble component sulfate(SO_4^(2-)),ammonium(NH_4^+) and nitrate(NO_3^-). Compared with rural sites,urban site had a higher mineral contribution and lower potassium(K^+and K) contribution to PM_(2.5).Severe atmospheric haze events that occurred from October 21 to 23 were attributed to strong source emissions(e.g.,biomass burning) and unfavorable air diffusion conditions.Furthermore,coal burning originating from winter heating supply beginning on October 18 increased the atmospheric pollutant emissions. For entire crop harvest period,the Positive Matrix Factorization(PMF) analysis indicated five important emission contributors in the Changchun region,as follows: secondary aerosol(39%),biomass burning(20%),supply heating(18%),soil/road dust(14%) and traffic(9%).Wei Wei Chen Daniel Q.Tong Mo Dan Shi Chun Zhang Xue Lei Zhang Yue Peng Pan 2017Journal of Environmental Sciences2017,29,4:10
9Generation of hircine-induced pluripotent stem cells by somatic cell reprogramming显示文摘Jiangtao Ren Yongjun Pak Lixiazi He Lei Qian Yijun Gu Hui Li Lingjun Rao Jing Liao Chun Cui Xun Xu Jinqiu Zhou Hakchol Ri Lei Xiao 2011Cell Research2011,21,5:10
10Generation of GGTA1 biallelic knockout pigs via zinc-finger nucleases and somatic cell nuclear transfer显示文摘Genetically modified pigs are valuable models of human disease and donors of xenotransplanted organs.Conventional gene targeting in pig somatic cells is extremely inefficient.Zinc-finger nuclease(ZFN)technology has been shown to be a powerful tool for efficiently inducing mutations in the genome.However,ZFN-mediated targeting in pigs has rarely been achieved.Here,we used ZFNs to knock out the porcineα-1,3-galactosyl-transferase(GGTA1)gene,which generates Gal epitopes that trigger hyperacute immune rejection in pig-to-human transplantation.Primary pig fibroblasts were transfected with ZFNs targeting the coding region of GGTA1.Eighteen mono-allelic and four biallelic knockout cell clones were obtained after drug selection with efficiencies of 23.4%and 5.2%,respectively.The biallelic cells were used to produce cloned pigs via somatic cell nuclear transfer(SCNT).Three GGTA1 null piglets were born,and one knockout primary fibroblast cell line was established from a cloned fetus.Gal epitopes on GGTA1 null pig cells were completely eliminated from the cell membrane.Functionally,GGTA1 knockout cells were protected from complement-mediated immune attacks when incubated with human serum.This study demonstrated that ZFN is an efficient tool in creating gene-modified pigs.GGTA1 null pigs and GGTA1 null fetal fibroblasts would benefit research and pig-to-human transplantation.BAO Lei CHEN HaiDe JONG UiMyong RIM CholHo LI WenLing LIN XiJuan ZHANG Dan LUO Qiong CUI Chun HUANG HeFeng ZHANG Yan XIAO Lei FU ZhiXin 2014Science China(Life Sciences)2014,57,2:9
11Anelasticity of twinned CuO nanowires显示文摘CuO nanowires (NW ) 的机械行为被调查由在 situ 传播电子显微镜学。在压缩期间, NW 展出了与高机械的应力联系的高弯曲的能力。有趣地,滞弹性一致地在压力版本以后被观察。进一步的调查显示滞弹性对 CuO NW 内在,尽管 electronbeam 照耀加速形状恢复被证明有能力。机制基于联系双胞胎的原子的合作运动被建议说明这现象。结果提供卓见进 CuO NW 的机械性质,它是为抑制系统的 nanoscale 的有希望的材料。Huaping Sheng He Zheng Fan Cao Shujing Wu Lei Li Chun Liu Dongshan Zhao Jianbo Wang 2015Nano Research2015,8,11:9
12Effect of co-transfection of miR-520c-3p and miR-132 on proliferation and apoptosis of hepatocellular carcinoma Huh7显示文摘Objective:To investigate the effects of co-transfection of miR-520c-3p and miR-132 on proliferation and apoptosis of hepatocellular carcinoma Huh7.Methods:Hepatocellular carcinoma Huh7 was cultured in vitro and lipidosome was used to transfect miR-520c-3p and miR-132 respectively or together.The effects of transfection of miR-520c-3p and miR-132 on proliferation and apoptosis of Huh7 were detected by CCK8 and Annexin V staining and flow cytometry,and the expression level of the targeted gene of over-expressed miR-520c-3p and miR-132 was determined by Western blot and realtime PCR.Results:Compared with the control group,the proliferation ability of Huh7 of the single transfected and co-transfected miR-520c-3p and miR-132 decreased significantly,and the apoptosis ratio increased distinctly(P<0.05).Besides,the affect of the co-transfection group was better than that of the single transfection group.The protein levels of GPC3(Glypican-3) and YAP(Yes-associated protein),the target genes transfected only by miR-520c-3p and miR-132,respectively,reduced obviously(P<0.05),which was similar with the co-infected cells,but cells transfected by miR-132 only showed a decrease of YAP.Conclusions:The co-transfection of miR-520c-3p and miR-132 can target-regulate the expression of GPC3 and YAP,enhance the exhibition effect on proliferation of hepatocellular carcinoma Huh7 and induce cell apoptosis synergistically.Chang-Jiang Lei Chun Yao De-Ke Li Zhi-Xiong Long Yuan Li Dan Tao Yan-Ping Liou Jiang-Zhou Zhang Ning Liu 2016Asian Pacific Journal of Tropical Medicine2016,9,9:9
13中国大陆、香港和澳门地区的收入收敛性显示文摘香港和澳门在20世纪90年代末作为两个特别行政区回归中国。由于历史的原因,中国大陆的人均收入水平曾远远落后于香港和澳门地区。然而,在过去的30年里,由于中国大陆经济的快速发展以及香港、澳门和中国大陆的投资与人力资源的双向互动,三地经济出现了显著收敛现象。中国大陆的经济成功得益于香港、澳门地区与沿海各省市尤其是广东省在技术溢出、大规模的投资和贸易行为方面的一体化,而经济溢出、投资和贸易行为必定推动经济一体化和收入收敛行为的出现。本文旨在探讨中国大陆与香港、澳门地区的收敛趋势并研究三地收入收敛性的决定因素。本文使用参数和非参数方法定量分析了中国大陆各省市与香港、澳门地区在过去40多年间人均收入的收敛速度问题,结果表明,在经济改革之前,中国大陆、香港与澳门地区不存在人均收入的收敛行为,而在经济改革之后,却出现了显著的绝对和相对收敛。在经济改革期间,如果模型不考虑贸易和对外开放因素,这一收敛速度将不超过0.01,如果考虑贸易和对外开放因素,这一速度则超过0.02。姚树洁 Chun Kwok Lei 冯根福 2008经济研究2008,43,10:9
14Warming moxibustion attenuates inflammation and cartilage degradation in experimental rabbit knee osteoarthritis显示文摘OBJECTIVE:To explore the molecular mechanism of warming moxibustion(WM)in knee osteoarthritis(KOA).METHODS:The knee joints of 40 New Zealand rabbits were placed in a plaster cast in an extended position to establish a KOA model.The animals were randomly divided into four groups:the control group,model group,WM group,and diclofenac(DF)group.Hematoxylin-eosin staining and the modified Mankin score were applied to evaluate the histopathological changes.Chondrocyte apoptosis was determined by the terminal deoxynucleotidyl transferase dUTP nick end labeling(TUNEL)assay.Western blotting and real-time quantitative polymerase chain reaction were performed to measure the expression of interleukin-1β(IL-1β),prostaglandin E receptor 3(PTGER3),a disintegrin-like and metalloproteinase with thrombospondin type-1 motifs-5(ADAMTS-5),matrix metalloproteinase-13(MMP-13),and C-terminal telopeptides of collagen typeⅡ(CTX-Ⅱ)in cartilage tissues of the different groups.The concentrations of IL-1β,PTGER3,and CTX-Ⅱin serum were detected by the enzyme-linked immunosorbent assay.RESULTS:Rabbits with KOA in the WM and DF groups showed significantly reduced cartilage erosion and Mankin scores,compared with the untreated rabbits.The number of TUNEL-positive cells observed in the WM group was much fewer than that in the model group.The expression of PTGER3,MMP-13,CTX-Ⅱ,IL-1β,and ADAMTS-5 in cartilage tissues was remarkably downregulated following therapy with WM and DF.Moreover,a marked reduction was observed in the serum levels of IL-1β,PTGER3,and CTX-Ⅱin the WM and DF groups.CONCLUSION:WM exerts favorable therapeutic effects on articular injuries of KOA by regulating the expression of inflammatory and cartilage degradation-related cytokines.LIU Di WU Yongli LI Chun WANG Minglei MA Xiaoxiu LIU Junwei ZHANG Yanling YANG Lei 2021Journal of Traditional Chinese Medicine2021,41,6:9
15Long-term joint effect of nutrients and temperature increase on algal growth in Lake Taihu,China显示文摘To study how global warming and eutrophication affect water ecosystems,a multiplicative growth Monod model,modified by incorporating the Arrhenius equation,was applied to Lake Taihu to quantitatively study the relationships between algal biomass and both nutrients and temperature using long-term data.To qualitatively assess which factor was a limitation of the improved model,temperature variables were calculated using annual mean air temperature (AT),water temperature (WT),and their average temperature (ST),while substrate variables were calculated using annual mean total nitrogen (TN),total phosphorus (TP),and their weighted aggregate (R),respectively.The nine fitted curves showed that TN and AT were two important factors influencing algal growth;AT limited growth as algal photosynthesis is mainly carried out near the water surface;N leakage of phytoplankton and internal phosphorus load from sediment explains why TN was the best predictor of peak biomass using the Monod model.The fitted results suggest that annual mean algal biomass increased by 0.145 times when annual mean AT increased by 1.0°C.Results also showed that the more eutrophic the lake,the greater the effect AT had on algal growth.Subsequently,the long-term joint effect of annual temperature increase and eutrophication to water ecosystems can be quantitatively assessed and predicted.Chun Ye Zhemin Shen Tao Zhang Maohong Fan Yangming Lei Jianda Zhang 2011Journal of Environmental Sciences2011,23,2:9
16Lentivirus vectors construction of SiRNA targeting interference GPC3 gene and its biological effects on liver cancer cell lines Huh-7显示文摘Objective:To build GPC3 gene short hairpin interference RNA(shRNA)slow virus veclor.observe expression of Huh-7 GPC3 gene in human liver cell line proliferation apoptosis and the effect of GPC3 gene influencing on liver cancer cell growth,and provide theoretical basis for genc therapy of liver cancer.Methods:Hepatocellular carcinoma cell line Huh-7 wsa transfected by a RNA interference technique.GPC3 gene expression in a variety of liver cancer cell lines was detected by fluorescence quantitative PCR.Targeted GPC3 gene seqnences of small interfering RNA(siRNA)PGC-shRNA-GPC3 were restructured.Stable expression cell linse of siRNA were screened and established with the heplp of liposomes(lipofectamine^(TM2000))as carrier transfcetion of human liver cell lines.In order to validate siRNA interference efficiency.GPC3 siRNA mRNA expression was detected after transfection by using RT-PCR and Western blot.The absorbance value of the cells of blank group,untransfection group and transfection group,the cell cycle and cell apoptosis were calculated,and effects of GPC3 gene nn Huh-7 cell proliferation and apoptosis were observed.Results:In the liver cancer cell lines Huh-7 GPC3 gene showed high expression.PGC-shRNA-GPC3 recombinant plasmid was constructde successfully via sequencing validation.Stable recombinant plasmid transfected into liver cancer cell linse Huh-7can obviously inhibit GPC3 mRNA expression level.Conclusions:The targeted GPC3 siRNA can effectively inhibit the expression of GPC3.Chang-Jiang Lei Chun Yao Qing-Yun Pan Hao-Cheng Long Lei Li Shu-Ping Zheng Cheng Zeng Jian-Bin Huang 2014Asian Pacific Journal of Tropical Medicine2014,7,10:8
17Decreased Average Albumin-to-Globulin Ratio During Radiotherapy Worsens the Prognosis of Esophageal Squamous Cell Carcinoma:Implications for Nutritional Management显示文摘Objective Malnutrition and cachexia are common in esophageal squamous cell carcinoma(ESCC)patients undergoing radiotherapy.This study evaluated how malnutrition-and cachexia-related indicators,including the albumin-to-globulin ratio(AGR),and their changes during radiotherapy predict the treatment outcomes.Methods We reviewed a total of 172 ESCC patients receiving radiotherapy(as a primary cohort)and performed a Cox regression analysis on potential prognostic factors,including the AGR,as well as the TNM stage and concomitant chemotherapy.A subsequent receiver operating characteristics(ROC)curve and Kaplan Meier survival analysis was performed for ESCC patients stratified by the average AGR cut-off point.Results In addition to the well-documented factors(i.e.TNM stage and concomitant chemotherapy),the average AGR was a significant prognostic factor for ESCC patients receiving radiotherapy.By plotting the ROC curve of the average AGR with regard to the ESCC prognosis,we obtained cut-off points for the overall patients(cut-off point:1.5,AUC:0.636),for patients with stageⅡ/Ⅲdisease(cut-off point:1.5,AUC:0.611),and for patients with stageⅣdisease(cut-off point:1.84,AUC:0.900).The ESCC patients with higher average AGR had a significantly more favorable OS compared with those with a lower average AGR.Notably,ESCC patients who had an increasingΔAGR during radiotherapy had a considerably more favorable OS compared with those with a decreasingΔAGR.All of these findings were reproducible in the validation cohort.Conclusion A lower average AGR is indicative of a poorer prognosis for ESCC patients following radiotherapy.Improving the nutritional status and preventing or ameliorating cachexia might contribute to improving the prognosis of ESCC patients.Fen Cai Xiu Lian Zhang Xiao Ling Wu Ting Ting Zhuang Lei Huang Yi Fei Tu Yuan Yuan Lu Min Xia Jiang Qing Ying Zhang Yan Lin Chang Chun Ma 2021Journal of Nutritional Oncology2021,6,2:8
18Improving thermal insulation of TC4 using YSZ-based coating and SiO_2 aerogel显示文摘In this paper, air plasmas spray(APS) was used to prepare YSZ and Sc2O3–YSZ(Sc YSZ) coating in order to improve the thermal insulation ability of TC4 alloy. Si O2 aerogel was also synthesized and affixed on TC4 titanium alloy to inhabit thermal flow. The microstructures, phase compositions and thermal insulation performance of three coatings were analyzed in detail. The results of thermal diffusivity test by a laser flash method showed that the thermal diffusivities of YSZ, Sc2O3–YSZ and Si O2 aerogel are 0.553, 0.539 and 0.2097 10 6m2/s, respectively. Then,the thermal insulation performances of three kinds of coating were investigated from 20 1C to 400 1C using high infrared radiation heat flux technology. The experimental results indicated that the corresponding temperature difference between the top TC4 alloy(400 1C) and the bottom surface of YSZ is 41.5 1C for 0.6 mm thickness coating. For 1 mm thickness coating, the corresponding temperature difference between the top TC4 alloys(400 1C) and the bottom surface of YSZ, Sc YSZ, Si O2 aerogel three specimens is 54, 54.6 and 208 1C, respectively. The coating thickness and species were found to influence the heat insulation ability. In these materials, YSZ and Sc YSZ exhibited a little difference for heat insulation behavior. However, Si O2 aerogel was the best one among them and it can be taken as protection material on TC4 alloys. In outer space,Si O2 aerogel can meet the need of thermal insulation of TC4 of high-speed aircraft.Lei Jin Peizhong Li Haibin Zhou Wei Zhang Guodong Zhou Chun Wang 2015Progress in Natural Science:Materials International2015,25,2:8
19Association of Overlapped and Un-overlapped Comorbidities with COVID-19 Severity and Treatment Outcomes: A Retrospective Cohort Study from Nine Provinces in China显示文摘Objective Several COVID-19 patients have overlapping comorbidities. The independent role of each component contributing to the risk of COVID-19 is unknown, and how some non-cardiometabolic comorbidities affect the risk of COVID-19 remains unclear.Methods A retrospective follow-up design was adopted. A total of 1,160 laboratory-confirmed patients were enrolled from nine provinces in China. Data on comorbidities were obtained from the patients’ medical records. Multivariable logistic regression models were used to estimate the odds ratio(OR) and 95% confidence interval(95% CI) of the associations between comorbidities(cardiometabolic or non-cardiometabolic diseases), clinical severity, and treatment outcomes of COVID-19.Results Overall, 158(13.6%) patients were diagnosed with severe illness and 32(2.7%) had unfavorable outcomes. Hypertension(2.87, 1.30–6.32), type 2 diabetes(T2 DM)(3.57, 2.32–5.49),cardiovascular disease(CVD)(3.78, 1.81–7.89), fatty liver disease(7.53, 1.96–28.96), hyperlipidemia(2.15, 1.26–3.67), other lung diseases(6.00, 3.01–11.96), and electrolyte imbalance(10.40, 3.00–26.10)were independently linked to increased odds of being severely ill. T2 DM(6.07, 2.89–12.75), CVD(8.47,6.03–11.89), and electrolyte imbalance(19.44, 11.47–32.96) were also strong predictors of unfavorable outcomes. Women with comorbidities were more likely to have severe disease on admission(5.46,3.25–9.19), while men with comorbidities were more likely to have unfavorable treatment outcomes(6.58, 1.46–29.64) within two weeks.Conclusion Besides hypertension, diabetes, and CVD, fatty liver disease, hyperlipidemia, other lung diseases, and electrolyte imbalance were independent risk factors for COVID-19 severity and poor treatment outcome. Women with comorbidities were more likely to have severe disease, while men with comorbidities were more likely to have unfavorable treatment outcomes.MA Yan ZHU Dong Shan CHEN Ren Bo SHI Nan Nan LIU Si Hong FAN Yi Pin WU Gui Hui YANG Pu Ye BAI Jiang Feng CHEN Hong CHEN Li Ying FENG Qiao GUO Tuan Mao HOU Yong HU Gui Fen HU Xiao Mei HU Yun Hong HUANG Jin HUANG Qiu Hua HUANG Shao Zhen JI Liang JIN Hai Hao LEI Xiao LI Chun Yan LI Min Qing LI Qun Tang LI Xian Yong LIU Hong De LIU Jin Ping LIU Zhang MA Yu Ting MAO Ya MO Liu Fen NA Hui WANG Jing Wei SONG Fang Li SUN Sheng WANG Dong Ting WANG Ming Xuan WANG Xiao Yan WANG Yin Zhen WANG Yu Dong WU Wei WU Lan Ping XIAO Yan Hua XIE Hai Jun XU Hong Ming XU Shou Fang XUE Rui Xia YANG Chun YANG Kai Jun YUAN Sheng Li ZHANG Gong Qi ZHANG Jin Bo ZHANG Lin Song ZHAO Shu Sen ZHAO Wan Ying ZHENG Kai ZHOU Ying Chun ZHU Jun Teng ZHU Tian Qing ZHANG Hua Min WANG Yan Ping WANG Yong Yan 2020Biomedical and Environmental Sciences2020,33,12:8
20Selective nitration of aromatic compounds catalyzed by Hβ zeolite using N_2O_5显示文摘为 electrophilic 硝代的一个选择、有效的过程用 N2O5 被描述为一个绿 nitrating 代理人,是的 H 沸石在温和条件下面的稳固的酸催化剂和形状控制代理人。Xiao Ming Ma Bin Dong Li Lei Chen Ming Lu Chun Xu Lv 2012Chinese Chemical Letters2012,23,7:7
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