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    题名 作者 年代 出处 被引量
1Chemical characteristics of PM_(2.5) during a typical haze episode in Guangzhou显示文摘The chemical characteristics(water-soluble ions and carbonaceous species) of PM2.5 in Guangzhou were measured during a typical haze episode.Most of the chemical species in PM2.5 showed significant difference between normal and haze days.The highest contributors to PM2.5 were organic carbon(OC),nitrate,and sulfate in haze days and were OC,sulfate,and elemental carbon(EC) in normal days.The concentrations of secondary species such as,NO3-,SO42-,and NH4+ in haze days were 6.5,3.9,and 5.3 times higher than those in normal days,respectively,while primary species(EC,Ca2+,K+) show similar increase from normal to haze days by a factor about 2.2-2.4.OC/EC ratio ranged from 2.8 to 6.2 with an average of 4.7 and the estimation on a minimum OC/EC ratio showed that SOC(secondary organic carbon) accounted more than 36.6% for the total organic carbon in haze days.The significantly increase in the secondary species(SOC,NO3-,SO42-,and NH4+),especially in NO3-,caused the worst air quality in this region.Simultaneously,the result illustrated that the serious air pollution in haze episodes was strongly correlated with the meteorological conditions.During the sampling periods,air pollution and visibility had a good relationship with the air mass transport distance;the shorter air masses transport distance,the worse air quality and visibility in Guangzhou,indicating the strong domination of local sources contributing to haze formation.High concentration of the secondary aerosol in haze episodes was likely due to the higher oxidation rates of sulfur and nitrogen species.TAN Jihua DUAN Jingchun HE Kebin MA Yongliang DUAN Fengkui CHEN Yuan FU Jiamo 2009Journal of Environmental Sciences2009,21,6:71
2Orbit determination and time synchronization for a GEO/IGSO satellite navigation constellation with regional tracking network显示文摘Aiming at regional services,the space segment of COMPASS (Phase I) satellite navigation system is a constellation of Geostationary Earth Orbit (GEO),Inclined Geostationary Earth Orbit (IGSO) and Medium Earth Orbit (MEO) satellites.Precise orbit determination (POD) for the satellites is limited by the geographic distribution of regional tracking stations.Independent time synchronization (TS) system is developed to supplement the regional tracking network,and satellite clock errors and orbit data may be obtained by simultaneously processing both tracking data and TS data.Consequently,inconsistency between tracking system and TS system caused by remaining instrumental errors not calibrated may decrease navigation accuracy.On the other hand,POD for the mixed constellation of GEO/IGSO/MEO with the regional tracking network leads to parameter estimations that are highly correlated.Notorious example of correlation is found between GEO's orbital elements and its clock errors.We estimate orbital elements and clock errors for a 3GEO+2IGSO constellation in this study using a multi-satellite precise orbit determination (MPOD) strategy,with which clock error elimination algorithm is applied to separate orbital and clock estimates to improve numerical efficiency.Satellite Laser Ranging (SLR) data are used to evaluate User Ranging Error (URE),which is the orbital error projected on a receiver's line-of-sight direction.Two-way radio-wave time transfer measurements are used to evaluate clock errors.Experimenting with data from the regional tracking network,we conclude that the fitting of code data is better than 1 m in terms of Root-Mean-Square (RMS),and fitting of carrier phase is better than 1 cm.For orbital evaluation,difference between computed receiver-satellite ranging based on estimated orbits and SLR measurements is better than 1 m (RMS).For clock estimates evaluation,2-hour linear-fitting shows that the satellite clock rates are about 1.E-10 s/s,while receiver clock rates are about 1×10 13-1×10 12 s/s.For the 72-hour POD experiment,the average differences between POD satellite clock rates estimates and clock measurements based on TS system are about 1×10 13 s/s,and for receiver clock rates,the differences are about 1×10 15 s/s.ZHOU ShanShi HU XiaoGong WU Bin LIU Li QU WeiJing GUO Rui HE Feng CAO YueLing Wu XiaoLi ZHU LingFeng SHI Xin TAN HongLi 2011Science China(Physics,Mechanics & Astronomy)2011,54,6:44
3CASE-BASED PRODUCT CONFIGURATION AND REUSE IN MASS CUSTOMIZATION显示文摘The increasing complexity and size of configuration knowledge bases requires the provision of advanced methods supporting the development of the actual configuration process and design reuse.A new framework to find a feasible and practical product configuration method is presented in mass customization.The basic idea of the approach is to integrate case-based reasoning (CBR) with a constraint satisfaction problem(CSP).The similarity measure between a crisp and range is also given,which is common in case retrieves.Based on the configuration model,a product platform and customer needs,case adaptation is carried out with the repair-based algorithm.Lastly,the methodology in the elevator configuration design domain is tested.Wang Shiwei Tan Jianrong Zhang Shuyou Wang Xin He Chenqi State Key Laboratory of CAD&CG,Zhejiang University,Hangzhou 310027, China 2004Chinese Journal of Mechanical Engineering2004,17,2:39
4Lushan M_S7.0 earthquake:A blind reserve-fault event显示文摘In the epicenter of the Lushan MS7.0 earthquake there are several imbricate active reverse faults lying from northwest to southeast,namely the Gengda-Longdong,Yanjing-Wulong,Shuangshi-Dachuan and Dayi faults.Emergency field investigations have indicated that no apparent earthquake surface rupture zones were located along these active faults or their adjacent areas.Only brittle compressive ruptures in the cement-covered pavements can be seen in Shuangshi,Taiping,Longxing and Longmen Townships,and these ruptures show that a local crustal shortening occurred in the region during the earthquake.Combining spatial distribution of the relocated aftershocks and focal mechanism solutions,it is inferred that the Lushan earthquake is classified as a typical blind reverse-fault earthquake,and it is advised that the relevant departments should pay great attention to other historically un-ruptured segments along the Longmenshan thrust belt and throughout its adjacent areas.XU XiWei WEN XueZe HAN ZhuJun CHEN GuiHua LI ChuanYou ZHENG WenJun ZHNAG ShiMin REN ZhiQun XU Chong TAN XiBin WEI ZhanYu WANG MingMing REN JunJie HE ZhongTai LIANG MingJian 2013Chinese Science Bulletin2013,58,28:35
5Efficacy and safety of Xinfeng capsule in patients with rheumatoid arthritis:a multi-center parallel-group double-blind randomized controlled trial显示文摘OBJECTIVE:To evaluate the efficacy and safety of Xinfeng capsule in patients suffering rheumatoid arthritis(RA).METHODS:A multi-center parallel-group designed,double-blind,randomized,controlled trial was conducted.Totally 304 RA patients were assigned to two groups:one group was administered Xinfeng capsule(XFC) plus the placebo of leflunomide and the other given leflunomide(LEF) plus the placebo of XFC for twelve weeks.The clinical and laboratory parameters were compared at baseline and fourth,eighth,and twelfth weeks.RESULTS:After twelve-week treatment,patients in two groups all showed some trend of effectiveness when compared in terms of American Rheumatism Association(ACR) recommended 20%,50%,70%improvement criteria,but it was insignificant.The validity in ameliorate modified disease activity score(DAS28) and laboratory indexes as erythrocyte sedimentation rate(ESR),C-reactive protein(CRP),rheumatoid factor(RF) were also found no difference.The score of health assessment questionnaire(HAQ),self-rating anxiety scale(SAS),self-rating depression scale(SDS) and quality of life questionnaire with rheumatoid arthritis(RAQOL)both lower than the first week and the changes showed no difference.However,the score of SDS dropped more in XFC group than in the other.A total of 147 adverse reaction cases were reported,which shows no difference between the two groups.The most common adverse reactions were hepatic impairment,anemia,leukocytopenia,epigastric discomfort and phalacrosis.CONCLUSION:XFC demonstrated better improvement in the scores of SDS and compared with those of LEF group.Liu Jian Wang Yuan Huang Chuanbing Xu Jianhua Li Zhijun Xu Liang He Liyun Sun Yue Wang Yali Xu Shengqian Zhao Ping Mao Tongjun Tan Bin Zhu Fubing Zhang Pingheng Fang Li 2015Journal of Traditional Chinese Medicine2015,35,5:27
6Rapid quantification of semen hepatitis B virus DNA by real-time polymerase chain reaction显示文摘AIM: To examine the sensitivity and accuracy of real-time polymerase chain reaction (PCR) for the quantification of hepatitis B virus (HBV) DNA in semen.METHODS: Hepatitis B viral DNA was isolated from HBV carriers' semen and sera using phenol extraction method and QTAamp DNA blood mini kit (Qiagen, Germany). HBV DNA was detected by conventional PCR and quantified by TaqMan technology-based real-time PCR (quantitative polymerase chain reaction (qPCR)). The detection threshold was 200 copies of HBV DNA for conventional PCR and 10 copies of HBV DNA for real time PCR per reaction.RESULTS: Both methods of phenol extraction and QIAamp DNA blood mini kit were suitable for isolating HBV DNA from semen. The value of the detection thresholds was 500 copies of HBV DNA per mL in the semen. The viral loads were 7.5×107 and 1.67×107 copies of HBV DNA per mL in two HBV infected patients' sera, while 2.L4×105 and 3.02×105 copies of HBV DNA per mL in the semen.CONCLUSION: Real-time PCR is a more sensitive and accurate method to detect and quantify HBV DNA in the semen.Wei-Ping Qian Yue-Qiu Tan Ying Chen Ying Peng Zhi Li Guang-Xiu Lu Made C. Liu Hsiang-Fu Kung Ming-Ling He Li-Ka Shing 2005World Journal of Gastroenterology2005,11,34:25
7Effect of Long-Term Application of K Fertilizer and Wheat Straw to Soil on Crop Yield and Soil K Under Different Planting Systems显示文摘Effect of application of K fertilizer and wheat straw to soil on crop yield and status of soil K in the plough layer under different planting systems was studied. The experiments on long-term application of K fertilizer and wheat straw to soil in Hebei fluvo aquic soil and Shanxi brown soil in northern China were begun in 1992. The results showed that K fertilizer and straw could improve the yields of wheat and maize with the order of NPK + St > NPK > NP + St > NP, and treatment of K fertilizer made a significant difference to NP, and the efficiency of K fertilizer in maize was higher than in wheat under rotation system of Hebei. In contrast with Shanxi, the wastage of soil potassium was a more serious issue in the rotation system in Hebei, only treatment of NPK + St showed a surplus of potassium and the others showed a wane. K fertilizer and straw could improve the content of water-soluble K, nonspecifically adsorbed K, non-exchangeable K, mineral K, and total K in contrast to NP; however, K fertilizer and straw reduce the proportion of mineral K and improve proportion of other forms of potassium in the two locating sites. Compared with the beginning of orientation, temporal variability character of soil K content and proportion showed a difference between the two soil types; furthermore, there was a decrease in the content of mineral K and total K simultaneously in the two locating sites. As a whole, the effect of K fertilizer applied to soil directly excelled to wheat straw to soil. Wheat straw to soil was an effective measure to complement potassium to increase crop yield and retard the decrease of soil K.TAN De-shui JIN Ji-yun HUANG Shao-wen LI Shu-tian HE Ping 2007Agricultural Sciences in China2007,6,2:25
8Ant Colony System Algorithm for Real-Time Globally Optimal Path Planning of Mobile Robots显示文摘为活动机器人计划的即时全球性最佳的路径的一个新奇方法基于蚂蚁殖民地系统(交流) 被建议算法。这个方法包括三步:第一步正在利用 MAKLINK 图理论建立活动机器人的空间模型,第二步正在利用 Dijkstra 算法发现一条非最优的没有碰撞的路径,并且第三步正在利用 ACS 算法优化非最优的路径的地点以便产生全球性最佳的路径。建议方法是有效的并且能在即时路径被使用活动机器人计划的计算机模拟实验表演的结果。建议方法比与优秀人材模型一起基于基因算法计划方法的路径处于集中速度,答案变化,动态集中行为,和计算效率有更好的性能,这被验证了。TAN Guan-Zheng HE Huan SLOMAN Aaron 2007自动化学报2007,33,3:26
9Mechanism of action of gypenosides on type 2 diabetes and non-alcoholic fatty liver disease in rats显示文摘AIM:To explore the mechanism of action of gypenosides(GPs)on type 2 diabetes mellitus and non-alcoholic fatty liver disease(T2DM-NAFLD)in rats.METHODS:Sixty rats were randomly divided into a healthy group,an untreated disease model group andGP-treatment groups.The study involved the evaluation of biochemical parameters,including serum aspartate transaminase(AST),alanine transferase(ALT),blood glucose(BG),triglycerides(TG)and total cholesterol(TC).Additionally,the protective effect of the treatments were confirmed histopathologically and the expression of TNF-αand NF-κB in the rat liver was analyzed using immunohistochemistry.The expression of proliferatoractivated receptor gamma(PPARγ)and cytochrome P450(CYP450)1A1 m RNA was determined by quantitative RTPCR.RESULTS:GP treatments at oral doses of 200,400,and800 mg/kg per day significantly decreased the levels of serum AST and ALT(P<0.05,P<0.01),especially at the dose of 800 mg/kg per day.To a similar extent,GP at800 mg/kg per day reduced the levels of BG(4.19±0.47,P<0.01),TG(80.08±10.05,P<0.01),TC(134.38±16.39,P<0.01)and serum insulin(42.01±5.04,P<0.01).The expression of TNF-αand NF-κB measured by immunohistochemistry was significantly reduced by GPs in a dose-dependent manner,and the expression of PPARγand CYP4501A1 m RNA,as measured using quantitative real-time PCR,were significantly down-regulated by GPs.Moreover,GPs decreased the infiltration of liver fats and reversed the histopathological changes in a dosedependent manner.CONCLUSION:This study suggests that GPs have a protective effect against T2DM-NAFLD by down-regulating the expression of TNF-αand NF-κB proteins,and PPARγand CYP4501A1 m RNAs.Qin He Jin-Ke Li Fang Li Ru-Gui Li Guo-Qing Zhan Gang Li Wei-Xing Du Hua-Bing Tan 2015World Journal of Gastroenterology2015,21,7:22
10Diallyl disulfide suppresses growth of HL-60 cell through increasing his-tone acetylation and p21^(WAF1)expression in vivo and in vitro显示文摘瞄准:检验区别正式就职和 HL-60 的生长抑制由 diallyl (爸爸) 的细胞,和它与改变的关系嘘一乙酰化作用和 p21 (WAF1 ) 表示在试管内和在活体内。方法:区别被 nitroblue tetrazolium (NBT ) 学习 HL-60 的减小房间在试管内。HL-60 房间 5x10 (6 ) 被注入严重联合免疫不全(SCID ) 的腹洞的右边老鼠。当腹瘤被检测时, SCID 老鼠随机被划分成 3 个组并且独自收到了车辆的 ip 注射(NS ) ,爸爸或钠丁酸盐(SB ) 。爸爸导致的腹瘤的生长抑制被一条生长曲线观察。在 SCID 老鼠的 HL-60 房间的周期分发被流动血细胞计数监视。乙酰 ated 的表示嘘一 H3, H4 和 p21 (WAF1 ) 被西方的污点测量。结果:与为 0-72 h 的爸爸一起的术后疗法, HL-60 房间的 NBT 减小能力以一种时间依赖者方式增加了,与 HL-60 房间的没有处理相比。在为 24 h 与爸爸一起对待的 HL-60 房间,乙酰 ated 的表示嘘一 H3, H4,和 p21 (WAF1 ) 显然增加了。与爸爸一起的术后疗法,肿瘤生长显著地被压制。从与爸爸一起对待的老鼠的 HL-60 房间在 G1 阶段被堵住,从 25.4% ~ 63.4% 。从与爸爸一起对待的老鼠的肿瘤显示出乙酰 ated 的增加嘘一 H3, H4,和 p21 (WAF1 ) 。结论:爸爸们能导致区别并且通过增加乙酰 ated 的表示禁止 HL-60 房间的生长嘘一 H3, H4,和 p21 (WAF1 ) 在试管内和在活体内。Jie ZHAO Wei-guo HUANG Jie HE Hui TAN Qian-jin LIAO Qi SU 2006Acta Pharmacologica Sinica2006,27,11:21
11Functional electrical stimulation increases neural stem/progenitor cell proliferation and neurogenesis in the subventricular zone of rats with stroke显示文摘LIU Hui-hua XIANG Yun YAN Tie-bin TAN Zhi-mei LI Sheng-huo HE Xiao-kuo 2013Chinese Medical Journal2013,,12:19
12Silencing livin gene by siRNA leads to apoptosis induction,cell cycle arrest,and proliferation inhibition in malignant melanoma LiBr cells显示文摘目的:现在的学习的目的是调查 silencing 的效果由 apoptosis 上的 livin 和效果的表示上的小介入 RNA ( siRNA )的 livin 基因,房间周期,并且在人的│恶性黑瘤 LiBr cells.Methods 的增长:指向 livin 的三化学上合成的 siRNA duplexes 是短暂地 transfected 进 LiBr 房间,并且 livin 表示上的效果被即时 RT-PCR 在 mRNA 水平两个都检测,在蛋白质,由西方的 blotting.Apoptosis 的水平被终端 deoxynucleotidyl 评估 procaspase-3 的 调停transferase 的 digoxigenin-dUTP 刻痕结束标记试金,流动 cytometric 分析和由西方的弄污的激活的 caspase-3 分析。房间周期被增长是的流动 cytometry.Cell 分析由3-( 4,5-dimethylthiazol-2-yl )决定了 -2,5-diphenyltetrazolium bromide.Results : 3 设计 siRNA 之一能有效地两个都在剂量在 mRNA 和蛋白质层次将 livin 表示击倒--并且时间依赖者礼貌;有在在 48 h 的 mRNA 上的规定下面的最大值的 100 nmol/L ,并且在 transfection.Silencing livin 能显著地导致 apoptosis 以后,在在 72 h 的蛋白质上,拘捕房间在 G_0/G_1 阶段骑车,并且在 LiBr 房间禁止增长。同时, caspase-3 是 activated.Conclusion : livin 基因能为│恶性黑瘤由 siRNA 为基因治疗用作一个潜在的分子的目标。Hao WANG Sheng-shun TAN Xin-yang WANG Dong-hua LIU Chun-shui YU Zhuan-li BAI Da-lin HE Jun ZHAO3 2007Acta Pharmacologica Sinica2007,28,12:19
13Novel biomarkers for cardiovascular risk prediction显示文摘心血管的疾病(CVD ) 是死亡和世界范围的残疾的领先的原因。CVD 的主要预防依赖于在公开事件的发展前长识别高风险的个人的能力。这为精确风险层化加亮需要。越来越多的新奇 biomarkers 被识别了预言心血管的事件。Biomarkers 玩在关于心血管的事件的管理的定义,预知,和决策的一个关键角色。这评论集中于许多有希望的 biomarkers 提供诊断、预示的信息。心肌的织物特定的 biomarker 心脏的 troponin,为心脏的 troponin 的高敏感的试金,和心类型丰满的酸绑定 proteinall 帮助在跟随症状的早小时诊断心肌的梗塞(MI ) 。象生长区别 factor-15,高敏感的 C 反应的蛋白质,纤维蛋白原,和尿酸那样的煽动性的标记预言 MI 和死亡。联系怀孕的血浆蛋白质 A, myeloperoxidase,和矩阵 metalloproteinases 预言急性冠的症候群的风险。联系脂蛋白的 phospholipase A2 和能分泌的 phospholipase A2 预言事件和周期性的心血管的事件。最后,提高了肽, ST2, endothelin-1, mid-regional-pro-adrenomedullin, copeptin,和 galectin-3 都是的 natriuretic 很好验证了预言跟随 MI 的死亡和心失败并且为心失败提供风险层化信息。很快发展中的新区域例如对 micro-RNA 的评价,也被探索。所有 biomarkers 反映动脉粥样硬化的发展的不同方面。Juan WANG Guo-Juan TAN Li-Na HAN Yong-Yi BAI Miao HE Hong-Bin LIU 2017Journal of Geriatric Cardiology2017,14,2:19
14MR-DBSCAN: a scalable MapReduce-based DBSCAN algorithm for heavily skewed data显示文摘Yaobin HE Haoyu TAN Wuman LUO Shengzhong FENG Jianping FAN 2014Frontiers of Computer Science2014,8,1:18
15Diagnostic value of FIB-4, aspartate aminotransferaseto-platelet ratio index and liver stiffness measurement in hepatitis B virus-infected patients with persistently normal alanine aminotransferase显示文摘AIM To assess the diagnostic value of FIB-4, aspartate aminotransferase-to-platelet ratio index(APRI), and liver stiffness measurement(LSM) in patients with hepatitis B virus infection who have persistently normal alanine transaminase(PNALT).METHODS We enrolled 245 patients with chronic hepatitis B: 95 in PNALT group, 86 in intermittently elevated alanine transaminase(PIALT1) group [alanine transaminase(ALT) within 1-2 × upper limit of normal value(ULN)], and 64 in PIALT2 group(ALT > 2 × ULN). All the patients received a percutaneous liver biopsy guided by ultrasonography. LSM, biochemical tests, and complete blood cell counts were performed.RESULTS The pathological examination revealed moderate inflammatory necrosis ratios of 16.81%(16/95), 32.56%(28/86), and 45.31%(28/64), and moderate liverfibrosis of 24.2%(23/95), 33.72%(29/86), and 43.75%(28/64) in the PNALT, PIALT1, and PIALT2 groups, respectively. The degrees of inflammation and liver fibrosis were significantly higher in the PIALT groups than in the PNALT group(P < 0.05). No significant difference was found in the areas under the curve(AUCs) between APRI and FIB-4 in the PNALT group; however, significant differences were found between APRI and LSM, and between FIB-4 and LSM in the PNALT group(P < 0.05 for both). In the PIALT1 and PIALT2 groups, no significant difference(P > 0.05) was found in AUCs for all comparisons(P > 0.05 for all). In the overall patients, a significant difference in the AUCs was found only between LSM and APRI(P < 0.05).CONCLUSION APRI and FIB-4 are not the ideal noninvasive hepatic fibrosis markers for PNALT patients. LSM is superior to APRI and FIB-4 in PNALT patients because of the influence of liver inflammation and necrosis.You-Wen Tan Xing-Bei Zhou Yun Ye Cong He Guo-Hong Ge 2017World Journal of Gastroenterology2017,23,31:18
16Patterns of shrub species richness and abundance in relation to environmental factors on the Alxa Plateau:Prerequisites for conserving shrub diversity in extreme arid desert regions显示文摘Shrub species are considered the dominant plants in arid desert ecosystems,unlike in semiarid steppe zones or in grassland ecosystems.On the Alxa Plateau,northern China,sparse vegetation with cover ranging from 15% to 30% is characterized mainly by multifarious shrubs because herbaceous species are strongly restricted by the extreme drought climate,wind erosion,overgrazing and sand burial.Patterns in shrub species richness and species abundance in relation to environmental conditions were examined by DCA(detrended correspondence analysis) and interpreted by a biplot.The rela-tionships between species diversity and environmental factors were examined using regression analyses.Our results show that the distributions of the shrub species in response to environmental conditions can be grouped into four ecological types,corresponding with the biological traits of the shrubs and their responses to the gradients of soil texture and soil water content.Patterns in species richness and species abundance were mainly determined by the deeper soil water content,instead of the soil texture as hypothesized by numerous studies in semiarid grasslands.With exception of the deeper soil water content,soil organic matter and total N content were positively correlated with species abundance,while pH was negatively correlated with it.These findings imply that it is vital for cur-rent shrub diversity conservation to reduce agricultural water use in the middle reaches of the Heihe River,which supplies water for the lower reaches in the western parts of the plateau,and to reduce the amount of groundwater exploitation and urban and oasis water use,to increase the water supply from Helan Mountain to the eastern desert of the Alxa Plateau.XinRong Li HuiJuan Tan MingZhu He XinPing Wang XiaoJun Li 2009Science China Earth Sciences2009,52,5:17
17Intra-herb pharmacokinetics interaction between quercetin and isorhamentin显示文摘瞄准:橡黄素和 isorhamnetin 是一些植物摘录的普通成分,例如银杏叶子的摘录和 Hippophae rhamnoides L 的全部的黄酮。在 isorhamnetin 和橡黄素之间的 intra 植物 pharmacokinetics 相互作用在现在的学习被调查。方法:人的 MDR1 cDNA transfected MDCKII 房间被用来验证 isorhamnein 是否与 P-gp 交往了。Caco-2 运输试金并且一使随机化,在老鼠的 3 方法转线路 pharmacokinetics 学习被用来调查 pharmacokinetics 相互作用。HPLC 被用来决定房间运输样品。橡黄素和 isorhamnetin 的全部的血浆集中被处理被液体层析双人脚踏车团 spectrometry (LC-MS/MS ) 与 β-glucuronidase 和 sulfatase 决定。结果:越过人的 MDR1 cDNA transfected MDCKII 房间, Caco-2 房间和野类型的 MDCKII 房间的 isorhamnetin 的渗透比率(吸收性的 permeability/secretive 渗透) 分别地是 0.25 ± 0 .02, 0.74 ± 0 .05,和 1.41 ± 0 .06。这结果在 isorhamnetin 的房间流出证明了 P-gp 的角色。当越过 Caco-2 房间单层与对方一起共同搬运时, isorhamnetin 和橡黄素的渗透比率到 4.3 和 2.2 次增加了。在到老鼠的与对方一起的 coadministration 以后, C 72 h , 和 isorhamnetin 和橡黄素的 AUC 0 ∞ 显著地与单个管理相比增加了的最大 , AUC 0。结论:上述结果证明了 intra 植物是在橡黄素和 isorhamentin 之间的 pharmacokinetics 相互作用。而另外的药流出抽, P-gp 可能起一个重要作用,例如多药抵抗伙伴蛋白质 2 并且乳癌抵抗蛋白质,可能被包含。除药植物相互作用以外,因此, intra 植物相互作用可能与草药底的疗法的宽使用被带进看法。Ke LAN Jian-lin HE Yang TIAN Fei TAN Xue-hua JIANG Ling WANG Li-ming YE 2008Acta Pharmacologica Sinica2008,29,11:16
18Changes of the proportion and mortality of pulmonary thromboembolism in hospitalized patients from 1974 to 2005显示文摘Background Pulmonary thromboembolism (PTE) has become a common disease that severely endangers people’s health. This study analysed the changes in proportion and mortality of PTE in hospitalized patients to provide data for prevention and management of the disease. Methods The data of 763 hospitalized patients with PTE from 1974 to 2005 in Fuwai Hospital were analysed. Results During the 1970s, 0.27% of patients in a cardiovascular hospital had PTE (< 5 cases per year); while so far this century the proportion is 0.94% (48 to 113 per year). The mortality of hospitalized PTE patients fell from 20.00% in the 1970s to 4.10% this century. Prior to 1990, the mortality of hospitalized PTE patients was 12.50%, and in the years after 1990 only 3.40%. The difference was statistically significant (P<0.005). People with this disease were mostly between the ages of 30 and 69 years. Men were most susceptible between the ages of 30 and 69 years, while women between the ages of 40 and 69 years. Men contracted PTE 10 years earlier than women. The mortality of male PTE patients was 4.70%, not significantly different from female patients, 5.06% (0.500.1). More people contracted the disease in winter than in other seasons (P<0.05). There was no obvious difference between the mortality in different seasons overall (0.75TAN Xiao-yan HE Jian-guo ZOU Zhi-peng ZHAO Yan-fen CHEN Bai-ping GAO Ying XIONG Chang-ming NI Xin-hai CHENG Xian-sheng 2006Chinese Medical Journal2006,,12:16
19Influence of mesoscale eddies on primary production in the South China Sea during spring inter-monsoon period显示文摘Mesoscale eddies have been suggested to have an impact on biological carbon fixation in the South China Sea(SCS). However, their overall contribution to primary production during the spring inter-monsoon period is still unknown. Based on large-scale biological and environmental in situ observations and synchronous remote sensing data, the distribution patterns of phytoplankton biomass and the primary production, and the role of mesoscale eddies in regulating primary production in different eddy-controlled waters were investigated. The results suggested that the surface chlorophyll a concentrations and water column integrated primary production(IPP) are significantly higher in cyclonic eddies and lower in the anticyclonic eddies as compared to that in non-eddy waters. Although eddies could affect various environmental factors, such as nutrients, temperature and light availability, nutrient supply is suggested to be the most important one through which mesoscale eddies regulated the distribution patterns of phytoplankton biomass and primary production. The estimated IPP in cyclonic and anticyclonic eddies are about 29.5% higher and 16.6% lower than the total average in the whole study area, respectively, indicating that the promotion effect of mesoscale cold eddies on the primary production was much stronger than the inhibition effect of the warm eddies per unit area. Overall, mesoscale eddies are crucial physical processes that affect the biological carbon fixation and the distribution pattern of primary production in the SCS open sea, especially during the spring inter-monsoon period.HU Zifeng TAN Yehui SONG Xingyu ZHOU Linbin LIAN Xiping HUANG Liangmin HE Yinghui 2014Acta Oceanologica Sinica2014,33,3:16
20The HuangZaoSi Maize Genome Provides Insights into Genomic Variation and Improvement History of Maize显示文摘Maize is a globally important crop that was a classic model plant for genetic studies. Here, we report a 2.2 Gb draft genome sequence of an elite maize line, HuangZaoSi (HZS). Hybrids bred from HZS-improved lines (HILs) are planted in more than 60% of maize fields in China. Proteome clustering of six completed sequeneed maize genomes show that 638 proteins fall into 264 HZS-specific gene families with the majority of contributions from tandem duplication events. Resequencing and comparative analysis of 40 HZSrelated lines reveals the breeding history of HILs. More than 60% of identified selective sweeps were clustered in identity.by.descent conserved regions, and yield-related genes/QTLs were enriched in HZS characteristic selected regions. Furthermore, we dem on strated that HZS-specific family genes were not uniformly distributed in the genome but enriched in improvement/function.related genomic regions. This study provides an important and novel resource for maize genome research and expands our knowledge on the breadth of genomic variation and improvement history of maize.Chunhui Li Wei Song Yingfeng Luo Shenghan Gao Ruyang Zhang Zi Shi Xiaqing Wang Ronghuan Wang Fengge Wang Jidong Wang Yanxin Zhao Aiguo Su Shuai Wang Xin Li Meijie Luo Shuaishuai Wang Yunxia Zhang Jianrong Ge Xinyu Tan Ye Yuan Xiaochun Bi Hang He Jianbing Yan Yuandong Wang Songnian Hu Jiuran Zhao 2019Molecular Plant2019,12,3:15
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