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    题名 作者 年代 出处 被引量
1Arsenic hyperaccumulator Pteris Vittata L. and its arsenic accumulation显示文摘An arsenic hyperaccumulator Pteris vittata L. (Chinese brake) was first discovered in China by means of field survey and greenhouse cultivation. Field survey showed that Chinese brake had large accumulating capacity to arsenic; the orders of arsenic content in different parts of the fern were as follows: leaves>leafstalks>roots, which is totally different from that of ordinary plants; bioaccumulation coefficients of the above ground parts of the fern decreased as a power function of soil arsenic contents. In the control of pot trials with normal unpolluted soil containing 9mg/kg of arsenic, the bioaccumulation coefficients of the above ground parts and rhizoids of Chinese brake were as high as 71 and 80 respectively. Greenhouse cultivation in the contaminated soil from mining areas has shown that more than 1 times greater arsenic can be accumulated in the leaves of the fern than that of field samples with the largest content of 5070 mg/kg As on a dry matter basis. During greenhouse cultivation, arsenicTongbin Chen Chaoyang Wei Zechun Huang Qifei Huang Quanguo Lu Zilian Fan 2002Chinese Science Bulletin2002,47,11:108
2不稳定性心绞痛、急性非Q波心肌梗死不同抗栓疗法的对比研究显示文摘目的 观察不同抗栓方案对急性冠状动脉综合征心脏事件、出血风险和预后的影响。方法 本研究为前瞻性、多中心、随机、开放试验 ,入选患者随机分为静脉滴注普通肝素组和皮下注射低分子量肝素组。入选对象为不稳定性心绞痛或非Q波心肌梗死 ,入选前 4 8小时以内至少有一次心绞痛发作 ,ST段无抬高。肝素 10 0IU/kg静注 ,续 10 0 0IU/h ,维持活化的部分凝血活酶时间 (APTT)或活化的全血凝固时间 (ACT)于正常的 1 5~ 2 0倍 ,连续 7日。低分子量肝素 0 4~ 0 6ml,每日两次皮下注射 ,连续 7日。主要观察终点 :随访治疗 3 0日内发生急性心肌梗死、心脏性或非心脏性死亡和药物治疗无法控制心绞痛 ,需行急性血运重建术。住院至少 7日 ,随访至治疗后 3 0日。结果 本研究共入选符合条件的患者 4 0 2例 ,两组在性别、年龄、心血管危险因素和心绞痛发作方面差异无显著性。治疗后 7日 ,两组用药期间平均胸痛发作次数差异无显著性 ,但肝素组有更多的患者需口服硝酸甘油缓解胸痛 ;病死率在低分子量肝素组较普通肝素组低 ,两组比较P值为 0 0 62 ,复合终点事件 (死亡、心肌梗死和紧急血管重建 )在低分子量肝素组明显下降。低分子量肝素组出血事件明显少于肝素组。治疗开始后 3 0日 ,低分子量肝素组死亡和复合终点事?Clinical Collaborative Study Group of Low Molecular Weight Heparin (Correspondent: HU Dayi, XU Juntang. Beijing Red Cross Chaoyang Hospital, Beijing University of Medical Sciences, Beijing 100020, China) 2000中华心血管病杂志2000,28,1:172
3CHA2007年患者安全目标暨主要措施显示文摘1 提高医务人员对患者识别的准确性,严格执行三查七对制度 (1)健全与完善患者识别制度,至少在抽血、给药或输血时,必须严格执行三查七对制度,应至少同时使用二种患者识别的方法(不得仅以床号作为识别的依据)。Chinese Hospital Association, Heping Street, Chaoyang District, Beijing, 100013, PRC 2007中国医院2007,11,1:54
4Characterizing spatial distribution and sources of heavy metals in the soils from mining-smelting activities in Shuikoushan,Hunan Province,China显示文摘The spatial variation of heavy metals in the soils in Shuikoushan mining-smelting area,Hunan Province,China,was investigated using multivariate and geo-statistic analysis.A total of 106 composite soil samples were collected in an area of about 100 km2. Concentrations of total As,Cd,Pb,Zn,Cu and Cr were measured using inductively coupled plasma mass spectrometry(ICP-MS) . Arsenic and Pb were found to have a common source,indicating the same sources and spreading processes,such as aerosols and airborne particulates from smelting chimneys.Airborne sources from smelting chimneys contributed greatly to Cd in the area,which demonstrated the same dispersion pattern as As and Pb.However,two hot spots of Cd around smelters were possibly enlarged by wastewaters,demonstrating another important source of Cd in Shuikouhsan.Geo-statistic interpolated mapping demonstrated that hotspots of Zn were only found proximal to the large smelters,suggesting that Zn primarily came from the chimneys of larger smelters. The major Cu hot-spots appeared closely to the tailing dam,indicating that weathering and leaching of tailings were the major sources of Cu contamination in Shuikoushan.Our findings indicated that airborne volatile particles and aerosols contributed the most to As,Cd,Pb,Zn and Cu contamination,while Cd and Cu may also derive from the discharge of wastewater from smelters and the leaching of tailings,respectively.WEI Chaoyang WANG Cheng YANG Linsheng 2009Journal of Environmental Sciences2009,21,9:48
5Ultrasonography guided percutaneous radiofrequency ablation for hepatic cavernous hemangioma显示文摘AIM: Hepatic cavernous hemangioma (HCH) is the mostcommon benign tumor of the liver and its management isstill controversial. Recent successin situ radiofrequencyablation of hepatic malignancies has led us to consider usingthis technique in patients with HCH. This study was to assessthe efficacy, safety, and complications of percutaneousradiofrequency ablation (PRFA) under ultrasonographyguidance in patients with HCH.METHODS: Twelve patients (four men and eight women,age ranged 33-56 years, mean age was 41.7 years) with 15hepatic cavernous hemangiomas (2.5 cm to 9.5 cm) weretreated using the RF-2000 generator and 10-needle LeVeenelectrode percutaneously guided by B-ultrasound. Lesionslarger than 3 cm were treated by multiple overlappingablations that encompass the entire lesion as well as a rimof normal liver tissue (approximately 0.5 cm).RESULTS: All the patients who received PRFA therapy hadno severe pain, bleeding or bile leakage during and afterthe procedures. Nine to 34 months′ follow-up (mean, 21months) by ultrasound and/or spiral CT scan demonstratedthat the ablated lesions in this group were shrunk remarkably,and the shrunken range was 38-79 % (mean, 67 % per 21months). The contrast enhancement was disappeared withinthe tumor or at its periphery in all cases on spiral CT scansobtained 3 to 6 months after treatment.CONCLUSION: The results of this study suggest that PRFAtherapy is a mini-invasive, simple, safe, and effective methodfor the treatment of selected patients with HCH.Yan Cui Li-Yan Zhou Man-Ku Dong Ping Wang Min Ji Xiao-Ou Li Chang-Wei Chen Zi-Pei Liu Yong-Jie Xu Hong-Wen Zhang Department of Hepatobiliary Surgery,Beijing 306 Hospital,Chaoyang District,Beijing 100101,China 2003World Journal of Gastroenterology2003,9,9:43
6Effect of phosphorus on arsenic accumulation in As-hyperaccumulator Pteris vittata L. and its implication显示文摘Pot experiment was conducted to understand the effect of phosphorus on arsenic accumulation in As-hyperaccumulator Chinese brake (Pteris vittata L.). It is shown that arsenic concentrations in the fronds and rhizoids, the arsenic bioaccumulation factor, and the total arsenic in the fronds were not influenced significantly under low levels of phosphorus (≤400 mg/kg) and increased sharply under high levels of phosphorus (>400 mg/ kg). The discovery implies that the efficiency of arsenic removal in phytoremedia-tion using the hyperaccumulating plant can be greatly elevated by the phosphorus addition at high rates. The interaction between the accumulation of phosphorus and that of arsenic in plant was stimulated mutually. The result represents that Chinese brake is a good material for plant physiologist to conduct comparative and mechanism studies on the uptake behaviors of phosphorus and arsenic, and phosphorus is also a potential accelerator for phytoremediation of arsenic-contaminated soils.Tongbin Chen Zhilian Fan Mei Lei Zechun Huang Chaoyang Wei 2002Chinese Science Bulletin2002,47,22:35
7Backstepping design of missile guidance and control based on adaptive fuzzy sliding mode control显示文摘This paper presents an integrated missile guidance and control law based on adaptive fuzzy sliding mode control. The integrated model is formulated as a block-strict-feedback nonlinear system, in which modeling errors, unmodeled nonlinearities, target maneuvers, etc. are viewed as unknown uncertainties. The adaptive nonlinear control law is designed based on backstepping and sliding mode control techniques. An adaptive fuzzy system is adopted to approximate the coupling nonlinear functions of the system, and for the uncertainties, we utilize an online-adaptive control law to estimate the unknown parameters. The stability analysis of the closed-loop system is also conducted. Simulation results show that, with the application of the adaptive fuzzy sliding mode control, small miss distances and smooth missile trajectories are achieved, and the system is robust against system uncertainties and external disturbances.Ran Maopeng Wang Qing Hou Delong Dong Chaoyang 2014Chinese Journal of Aeronautics2014,27,3:32
8Deep seismic reflection profile across the juncture zone between the Tarim Basin and the West Kunlun Mountains显示文摘Fine structures of the crust and upper mantle of the basin-and-range juncture on the northwestern margin of the Qinghai-Tibetan Plateau are first delineated by the deep seismic reflection profile across the juncture zone between the Tarim Basin and the West Kunlun Mountains. Evidence is found for the northward subduction of the northwest marginal lithosphere of the Qinghai-Tibetan Plateau and its collision with Tarim lithosphere beneath the West Kunlun Mountains. The lithosphere image of the face-to-face subduction and collision determines the coupling relationship between the Tarim Basin and the West Kunlun Mountains at the lithosphere scale and reflects the process of continent- continent collision.GAO Rui HUANG Dongding LU Deyuan QIAN Guihua LI Yingkang KUANG Chaoyang Li Qiusheng LI Pengwu Feng Rujin Guan Ye 2000Chinese Science Bulletin2000,45,24:30
9Glutamine synthetase as an early marker for hepatocellular carcinoma based on proteomic analysis of resected smal hepatocel ular carcinomas显示文摘BACKGROUND:Hepatocellular carcinoma(HCC)is a highly malignant tumor with a poor prognosis.Because small HCCs possess most of the characteristics of early HCC,we investigated small HCCs to screen potential biomarkers for early diagnosis.METHODS:Proteins were extracted from 10 sets of paired tissue samples from HBV-infected small-HCC patients.The extracted proteins were well resolved by two-dimensional electrophoresis.These HCC-associated proteins were then identified by MALDI-TOF/TOF MS following image analysis.Western blotting and immunohistochemistry were used to assess glutamine synthetase(GS)and phenazine biosynthesislike domain-containing protein(PBLD)expression in liver tissue.Enzyme-linked immunosorbent assays in 152 serum samples(from 49 healthy donors,24 patients with liver cirrhosis,and 79 with HCC)were used to further assess the significance of GS clinically.RESULTS:Fifteen up-regulated and three down-regulated proteins were identified.Western blotting confirmed GS overexpression and decreased PBLD expression in liver tissue.Immunohistochemistry showed that GS was expressed in 70.0%(84/120)of HCCs and 35.8%(43/120)of nontumor tissues;PBLD was expressed in 74.2%(89/120) of nontumor tissues and 40.8%(49/120)of HCCs.The Chi-square test showed significant expression differences between HCCs and adjacent tissues.Consistent with this,serum GS levels in HCC patients were significantly higher than those in liver cirrhosis patients and healthy donors,while the latter two groups were also significantly different.In addition, a diagnostic cutoff value of 2.6 mg/ml was used for GS;it was elevated in 19(76.0%)of 25 HCC patients with AFP≤20 ng/ml and 47(88.7%)of 53 HCC patients with AFP≤200 ng/ml.CONCLUSION:GS and PBLD are abnormally expressed in most HCCs.GS may be a novel serum marker for early HCC, especially for those patients with low AFP levels(≤200 ng/ml).Jiang Long,Zhen-Wei Lang,Hua-Guang Wang,Tai-Ling Wang,Bao-En Wang and Si-Qi Liu Liver Research Center,Beijing Friendship Hospital, Capital Medical University,Beijing 100050,China Department of Hepatology,Department of Pathology, Beijing Youan Hospital,Capital Medical University,Beijing 100069,China Department of Pharmaceutical Affairs,Beijing Chaoyang Hospital,Capital Medical University,Beijing 100020,China Department of Pathology,China-Japan Friendship Hospital,Beijing 100029,China Beijing Genomics Institute,Chinese Academy of Science,Beijing Airport Industrial Zone B-6,Shunyi,Beijing 101300,China 2010Hepatobiliary & Pancreatic Diseases International2010,9,3:21
10Gear geometry of cycloid drives显示文摘According to differential geometry and gear geometry, the equation of meshing for small teeth difference planetary gearing and a universal equation of conjugated profile are established based on cylindrical pin tooth and given motion. The correct meshing condition, contact line, contact ratio, calculating method for pin tooth's maximum contact point are developed. Investigation on the theory of conjugated meshing is carried out when the tooth difference numbers between pin wheel and cycloidal gear are 1, 2, 3 and ?1, respectively. A general method called enveloping method to generate hypocycloid and epicycloid is put forward. The correct meshing condition for cycloid pin wheel gearing is provided, and the contact line and the contact ratio are also discussed.CHEN BingKui FANG TingTing LI ChaoYang WANG ShuYan 2008Science China(Technological Sciences)2008,51,5:18
11Primary dolostone formation related to mantle-originated exhalative hydrothermal activities,Permian Yuejingou section,Santanghu area, Xinjiang,NW China显示文摘The Permian Lucaogou Formation is an important hydrocarbon source rock in the Junggar, Turpan, and Santanghu basins in Xinjiang, NW China. For the first time, dolostones associated with mantle-originated exhalative hydrothermal fluid flows are discovered in Yuejingou section in the Santanghu Basin area. They include dolomicrite, doloarenite, and a small amount of dolorudite, and are finely (0.05-0.15 cm thick) interlaminated with lime micrite and dolomicritic analcime laminites. Alkali feldspar and analcime grains are common in doloarenite and are interpreted as having been derived from analcime phonolites and peralkaline magmatic rocks. These magmatic fragments were brought up from subsurface by hydrothermal fluid flow and had experienced exhalative brecciation, transport, and deposition on the lake floor. The matrix consists dominantly of dolomite and ankerite smaller than 0.01 mm. The dolostones can be subdivided into four types on the basis of mineral composition and content. The detrital analcime and alkaline feldspar grains and tuff lithics are interpreted as intraclasts, which were deposited in an under-filled starved lake basin. The δ18OPDB values of dolostones are -5‰ to -21.1‰, and -11.9‰ on average; the 87Sr/86Sr ratios of dolostones are 0.70457 to 0.706194, and 0.705005 on average. These values, in combination with evidence of multi-episodes of peralkaline extrusion, suggest a mantle origin of the hydrothermal fluids, which may have promoted primary dolomite formation. The fluid from the upper mantle caused serpentinization of ultramafic rocks that intruded into the lower crust to obtain Mg2+ and Fe2+, and injected the ions into the lake water as the Mg and Fe sources for dolomite and ankerite. Hydro- thermal fluids associated with peralkaline magmatic rocks also provided Ca2+, Mg2+, Fe2+, and CO32-. Explosive breccias formed and dolostones were convoluted near the vent of hydrothermal fluid exhalation, whereas laminated dolostones formed farther away from the vent. The dolostones are primary dolomite deposition in an intracontinental rift basin and associated with mantle-originated hydrothermal fluids. They provide an insight into the origin of dolomite formation in the geologic history and clues to understand the sedimentary environments and tectonic conditions in northern Xinjiang during the late Paleozoic.LIU YiQun JIAO Xin LI Hong YUAN MingSheng YANG Wan ZHOU XiaoHu LIANG Hao ZHOU DingWu ZHENG ChaoYang SUN Qin WANG ShuangShuang 2012Science China Earth Sciences2012,55,2:17
12Asymptomatic process of hepatic artery thrombosis in a patient after orthotopic liver transplantation显示文摘BACKGROUND: Hepatic artery thrombosis is one of the serious complications after liver transplantation. It wil mostly cause a failure of the transplantation. This case o hepatic artery thrombosis showed a stable clinical course and minimal histological change, and now has been survi ving for 4 years with normal liver function. We investigated the possible causes for asymptomatic hepatic artery throm bosis in one patient after orthotopic liver transplantation ( OLT) and discussed the diagnosis of ischemia of OLT pathologically and clinically. METHODS: Liver function test, color Doppler ultrasono graphy, and hepatic arteriography were performed during the development of hepatic arteriothrombosis. Possible fac- tors for the asymptomatic process of the thrombosis were analyzed. RESULTS: On the 4th postoperative day, thrombosis form ed at the anastomotic stoma of the hepatic artery, and on the 11th postoperative day, the artery was completely oc- cluded. Serial liver biopsies revealed intrahepatic cholesta- sis, hydropic degeneration of hepatocytes, atrophy of the biliary epithelium, and fibrosis in the portal area. Monitor- ing of liver function showed nothing abnormal except ele- vation of γ-GT and ALP levels. On the 71st day after OLT, arteriography demonstrated that the hepatic artery re- mained completely occluded in addition to the establish- ment of collateral circulation and compensation of the por- tal vein. The patient didn’ t show any symptoms of arterial thrombosis. CONCLUSION: Collateral circulation and compensation o the portal vein are beneficial to allograft survival and avoidence of retransplantation after thrombosis of the he- patic artery. Color Doppler ultrasonography within 2 weeks after OLT is helpful to the early diagnosis of hepatic arterio- thrombosis.Jia-Wei Chen, Da-Zhi Chen and Guang-Zhong Lu Shanghai, China Department of Pathology, Shanghai First People’ s Hospital, Shanghai 200080 , China Department of Surgery, Beijing Chaoyang Hospital, Beijing 100020, China 2004Hepatobiliary & Pancreatic Diseases International2004,3,1:15
13A systematic method of smooth switching LPV controllers design for a morphing aircraft显示文摘This paper is concerned with a systematic method of smooth switching linear parametervarying(LPV) controllers design for a morphing aircraft with a variable wing sweep angle. The morphing aircraft is modeled as an LPV system, whose scheduling parameter is the variation rate of the wing sweep angle. By dividing the scheduling parameter set into subsets with overlaps, output feedback controllers which consider smooth switching are designed and the controllers in overlapped subsets are interpolated from two adjacent subsets. A switching law without constraint on the average dwell time is obtained which makes the conclusion less conservative. Furthermore,a systematic algorithm is developed to improve the efficiency of the controllers design process. The parameter set is divided into the fewest subsets on the premise that the closed-loop system has a desired performance. Simulation results demonstrate the effectiveness of this approach.Jiang Weilai Dong Chaoyang Wang Qing 2015Chinese Journal of Aeronautics2015,28,6:15
14The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China显示文摘Air concentrations of volatile organic compounds(VOCs) were continually measured at a monitoring site in Shenyang from 20 August to 16 September 2017. The average concentrations of alkanes, alkenes, aromatics and carbonyls were 28.54, 6.30, 5.59 and9.78 ppbv, respectively. Seven sources were identified by the Positive Matrix Factorization model based on the measurement data of VOCs and CO. Vehicle exhaust contributed the most(36.15%) to the total propene-equivalent concentration of the measured VOCs,followed by combustion emission(16.92%), vegetation emission and secondary formation(14.33%), solvent usage(10.59%), petrochemical industry emission(9.89%), petrol evaporation(6.28%), and liquefied petroleum gas(LPG) usage(5.84%). Vehicle exhaust, solvent usage and combustion emission were found to be the top three VOC sources for O_3 formation potential, accounting for 34.52%, 16.55% and 11.94%, respectively. The diurnal variation of the total VOCs from each source could be well explained by their emission characteristics,e.g., the two peaks of VOC concentrations from LPG usage were in line with the cooking times for breakfast and lunch. Wind rose plots of the VOCs from each source could reveal the possible distribution of the sources around the monitoring site. The O_3 pollution episodes during the measurement period were found to be coincident with the elevation of VOCs, which was mainly due to the air parcel from the southeast direction where petrochemical industry emission was found to be dominant, suggesting that the petrochemical industry emission from the southeast was probably a significant cause of O_3 pollution in Shenyang.Zhuobiao Ma Chengtang Liu Chenglong Zhang Pengfei Liu Can Ye Chaoyang Xue Di Zhao Jichen Sun Yiming Du Fahe Chai Yujing Mu 2019Journal of Environmental Sciences2019,31,5:12
1590分钟冠状动脉造影评价急性心肌梗塞血管开通及临床再通指标价值显示文摘通过经静脉溶栓开始后90分钟冠状动脉造影(CAG),观察国产尿激酶(天普洛欣,UKTP)静脉溶栓治疗急性心肌梗塞(AMI)血管开通疗效,并评价临床再灌注标准的判断价值如何。方法:从UKTP多中心治疗AMI1406例中,汇集其中所行冠状动脉造影(CAG)共124例资料。结果提示:(1)124例AMI患者,在溶栓开始后90分钟时的梗塞相关血管的血流达TIMIⅢ级者52例(41.9%)、Ⅱ级38例(30.7%),梗塞相关血管再开通率为72.6%;(2)溶栓距起病时间愈早,具有愈高的开通趋势,但差异无统计学意义;(3)以CAG为金标准,临床标准对血管开通判断敏感性为88%,特异性为69%,准确性为83%。结论:UKTP静脉溶栓治疗AMI血管开通疗效肯定,临床标准判断血管再通的敏感性较高,但特异性欠佳,有待提高。The multicentre investigating group of thrombolytic therapy on acute myocardial infarction with Urokinase Techpool Correspondence: Hu Dayi, Xu Zhimin. Chaoyang Red Cross Hospital, Capital University of Medical Sciences, Beijing 100020 1997中华心血管病杂志1997,25,4:11
16Constitutive relationship of IN690 superalloy by using uniaxial compression tests显示文摘The hot deformation behavior of IN690 superalloy was characterized in a temperature range of 1273-1473 K and a strain rate range of 0.01-10 s-1 using uniaxial compression tests on process annealed material.The constitutive relations between flow stress and effective strain,effective strain rate as well as deformation temperature were studied.It can be concluded that the flow stress significantly reduces with the deformation temperature of IN690 superalloy increasing.Whereas,there is a significant increase of flow stress when the strain rate increases from 0.1 s-1 to 10 s-1.Based on the hyperbolic-sine Arrhenius-type equation,a constitutive equation considering compensation of strain was developed.The activation energy and the material constants(Q,n and ln A) decrease as the deformation strain increases.The strain dependent term is successfully incorporated in the constitutive equation through a quartic equation.A good agreement between the experimental data and the predicted results has been achieved,indicating that the proposed constitutive equation and the methods of determing the material constants are suitable to model the high temperature deformation behavior of IN690 superalloy.SUN Chaoyang LIU Jinrong LI Rui ZHANG Qingdong DONG Jianxin 2011Rare Metals2011,30,1:11
17Switched adaptive active disturbance rejection control of variable structure near space vehicles based on adaptive dynamic programming显示文摘Based on the switched nonlinear system, a switched adaptive Active Disturbance Rejection Control(ADRC) law is proposed for the Variable Structure Near Space Vehicle(VSNSV) with unknown uncertainties and external disturbances. The reduced-order Extended State Observers(ESOs) are constructed for the attitude angle system and the angular rate system to estimate the total disturbance in real time. With the extended state introduced to counteract the effects of uncertainties and disturbances, a systematic procedure is presented for the synthesis of the switched adaptive ADRC strategy. Rigorous proof shows that the estimation errors of the reduced-order ESOs would converge to a small neighborhood of zero in finite time, and that the output of the closedloop system can track a given signal stably for a class of switching signals with average dwell time via the proposed approach. The variable gain control strategy based on Adaptive Dynamic Programming(ADP) with the actor-critic structure is also designed to improve the dynamic performance of the system. Simulation results verify the effectiveness and advantage of the proposed control scheme.Chaoyang DONG Chen LIU Qing WANG Ligang GONG 2019Chinese Journal of Aeronautics2019,32,7:10
18Overexpressed miR-9 promotes tumor metastasis via targeting E-cadherin in serous ovarian cancer显示文摘MicroRNAs (miRNAs ) 玩在在各种各样的癌症的发展和前进的关键角色。不正常的 miR-9 表示仍然保持模糊,并且卵巢的癌症的变形前进上的一致都没被到达。在这研究,从生物信息学分析的结果证明 E-cadherin mRNA 的 3-UTR 被 miR-9 直接调整。酶记者试金结果证实 miR-9 能直接指向这 3-UTR。在卵巢的癌症织物的 miR-9 和 E-cadherin 表示被 qRT-PCR 确定。移植和侵略被在 SKOV3 和 A2780 愈合弯屈和 Transwell 系统试金检测。qRT-PCR 和西方的污点被执行检测上皮 ? 间充质的联系转变的 mRNA 和蛋白质。Immunofluorescence 技术被用来分析表示和 E-cadherin, N-cadherin,和 vimentin 的 subcellular 本地化。结果证明 miR-9 经常与配对的主要的相比是在变形浆液的卵巢的癌症织物的 upregulated。miR-9 的 Upregulation 能 downregulate E-cadherin 的表示但是 upregulate 间充质的标记(N-cadherin 和 vimentin ) 的表示。miR-9 的 Overexpression 能在卵巢的癌症支持房间移植和侵略,并且这些进程能有效地经由 miR-9 禁止者被禁止。因此,我们的学习证明 miR-9 可以经由指向 E-cadherin 和一条新奇潜在的治疗学的途径控制卵巢的癌症的转移支持卵巢的癌症转移。Bo Zhou Hongbin Xu Meng Xia Chaoyang Sun Na Li Ensong Guo Lili Guo Wanying Shan Hao Lu Yifan Wu Yuan Li Degui Yang Danhui Weng Li Meng Junbo Hu Ding Ma Gang Chen Kezhen Li 2017Frontiers of Medicine2017,11,2:10
19Impact of urban expansion on meteorological observation data and overestimation to regional air temperature in China显示文摘自从改革的实现并且在 1970 年代末在中国开创政策,一些气象学的车站由于城市的扩大消极地进入了城市。在在车站附近的表面和开发环境的变化影响了空气温度的观察。当来自城市的车站的观察数据在公民或地区性的规模空气温度数据集的插值被使用时,他们能导致地区性的空气温度的 overestimation 和对温暖的不精密的评价。在这研究,越过中国包围 756 个气象学的车站的内在的表面在很多时间间隔上基于遥感图象被识别区分进入了城市的农村车站。在把观察数据从被城市的扩大影响了的这些车站移开以后,然后,背景空气温度的数据集被插入内推产生从仍然保持农村的观察数据驻扎。吝啬的城市的热岛效果紧张自从 1970 被从城市的车站把原来的观察记录与背景空气作比较估计,温度插入内推。结果证明那城市的热岛效果确实由于城市的扩大发生,与在比在另外的季节的冬季的更高的紧张。然后,地区性的空气温度的 overestimation 被比较分别地由所有车站和农村车站被插入内推的空气温度的二种格子数据集评估观察数据。空间地, overestimation 比在中国的中央部分在东方中国是相对更高的;然而,两个区域比的展出高得多的效果在西方的中国被观察。我们在最后 40 年里结束了那在中国的温度增加了大约 1.58 的平均数,降水,浅地面温度和 NDVI,哪个 3 吗??SHAO Quanqin SUN Chaoyang LIU Jiyuan HE Jianfeng KUANG wenhui TAO Fulu 2011Journal of Geographical Sciences2011,21,6:10
20茶饮料技术进展显示文摘综述了目前茶饮料技术进展状况。重点介绍了茶饮料的沉淀、护色、香气的保持等方面的技术发展。Guangdong Huacheng Food Co., Ltd. Chaoyang, Guangdong 515100 2000饮料工业2000,3,6:9
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