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| 1 | Drift and deposition of ultra-low altitude and low volume application in paddy field显示文摘Field trials were performed to evaluate various techniques for measuring spray deposition and aerial drift during spray application to paddy field.The application of a spraying agent containing the fluorescent dye Rhodamine-B was applied by an unmanned aerial vehicle(UAV)which flew at a height of 5 m,a speed of 3 m/s,and the wind speed of 3 m/s.The results showed that because the downdraft produced by a helicopter rotor increased the penetrability of crops,there is a higher deposition on the upper layer and the under layer than the traditional spraying.The average deposition on the upper layer accounts for 28% of the total spraying,the deposition on the under layer accounts for 26% of the total spraying.The deposition on the under layer takes up 92.8% of the deposition on the upper layer.Droplets drift data showed that the drift of non-target area took up 12.9% of the total liquid spray.The 90% drifting droplets were located within a range of 8 m of the target area;the drift quantity was almost zero at a distance of 50 m away from the treated area. | Xue Xinyu Tu Kang Qin Weicai Yubin Lan Huihui Zhang | 2014 | International Journal of Agricultural and Biological Engineering2014，7，4： | 40 |
| 2 | Combined monitoring of evoked potentials during microsurgery for lesions adjacent to the brainstem and intracranial aneurysms显示文摘在外科期间监视的背景 Neurophysiologic 是阻止永久神经病学的损害源于外科的操作。改进 intraoperative neuromonitoring 的精确性和敏感, transcranial 监视电的刺激马达联合唤起了潜力( TES-MEPs ), somatosensory 唤起了潜力( SSEP )和 brainstem 听觉的唤起的潜力( BAEP )为邻近与 SSEP 联合 TES-MEPs 监视的 brainstem 和 intracranial aneurysms.Methods 的损害在 microsurgery 被尝试象 intracranial 一样与邻近 brainstem 的损害在 68 个连续病人被尝试一在他们之中, 31 个病人(31 个手术, 28 个以后的头部的窝肿瘤, 3 个以后的发行量动脉瘤) 也受到 BAEP 监视。监视结果和临床的结果的关联是 68 个病人的唤起的潜力(EP ) 监视联合在 64 被做的学习 prospectively.Results (94.1%) 。监视的 MEP 为 4 个病人(5.9%) 是不可能的。没有复杂并发症在在所有病人监视联合期间被观察。(66.2%) 在 45, 68 个病人,, EP 是稳定的,并且他们是神经病学地未经触动的。马达机能障碍被 MEP 在 4 在 8 个病人,在 5 的 SSEP ,和 BAEP 检测, respectively.Conclusions A 结束关系在手术后的马达功能之间存在, TES-MEPs monitoring.TES-MEPs 的结果在检测马达机能障碍,而是联合 EP 比 SSEP 和 BAEP 优异用作一只保险箱,为马达神经系统的功能监视的 intraoperative 的有效、侵略的方法。为邻近 brainstem 和 intracranial 动脉瘤的损害在 microsurgery 期间联合 EP 监视可以检测潜在地危险的演习并且改进随后的过程的安全。 | KANG De-zhi WU Zan-yi LAN Qing YU Liang-hong LIN Zhang-ya WANG Chen-yang LIN Yuan-xiang | 2007 | Chinese Medical Journal2007，，18： | 20 |
| 3 | Evidence for a recent warming and wetting in the source area of the Yellow River (SAYR) and its hydrological impacts显示文摘在分水岭规模的气候变化调查在在分水岭揭示历史的进化和流量变化的未来趋势起一个重要作用。这研究从 1961 ~ 2012 在黄河(SAYR ) 的来源区域上检验 multisource 水文学和气象学的变量并且在这个区域的未来气候情形在 20062100 期间基于 CMIP5 设计数据。它在 SAYR 认出最近的气候变化的重要特征并且在这个区域预言未来流动的变化趋势。(1 ) 自从 2000 年代初,在 SAYR 的气候经历了一个重要温暖湿的变化,这被发现,自从 1980 年代末,它与先前的温暖干燥的趋势很不同;(2 ) 在西北的 SAYR 的温暖湿的趋势(黄河(HAYR ) 的 headwater 区域,在整个 SAYR 是比那更明显的;(3 ) 与降水增加,自从 2006,在这个区域的流量也经历了一个增加的过程。在这个区域的流量变化对降水,宠物和最大的空气温度的变化敏感,然而并非对在吝啬、最小的空气温度的变化很敏感;(4 ) 基于 CMIP5 设计数据,如果认为三不同,在 SAYR 的温暖湿的气候趋势是可能的继续直到 2049 (即 RCP2.6, RCP4.5 和 RCP8.5 ) 在 SAYR 的温室气体排放情形,和降水不是不到在 2100 前的当前的水平;然而, SAYR 的最近的流动增加是可能的是十的变化,它将至多继续直到 2020 年代,这被估计;(5 ) 东方亚洲冬季季风的内部年度的变化被发现是仔细与在这个区域的年度降水的变化有关。同时,增加的降水以及是远的潜在的土壤水分蒸发蒸腾损失总量(宠物) 的增加不到在最近的时期的降水的是为这个区域的流动增加的主要气候原因。 | TIAN Hui LAN Yongchao WEN Jun JIN Huijun WANG Chenghai WANG Xin KANG Yue | 2015 | Journal of Geographical Sciences2015，25，6： | 12 |
| 4 | Anxiety symptoms in patients with Mayer-Rokitansky-Küster-Hauser syndrome:a cross-sectional study显示文摘Background:As a congenital malformation that results in infertility and an inability to have vaginal intercourse,Mayer-Rokitansky-Küster-Hauser(MRKH)syndrome places a considerable psychological burden on patients,which results in anxiety symptoms.However,only single case studies or a few small to medium-sized cross-sectional studies were identified to focus on anxiety symptoms in MRKH patients.Thus,the aim of this study was to explore the status of anxiety symptoms and the related factors in patients with MRKH syndrome.Methods:This cross-sectional study involving 141 patients with MRKH syndrome and 178 healthy women was conducted from January 2018 to December 2018.All participants were required to complete a demographic questionnaire and the Generalized Anxiety Disorder 7-item scale(GAD-7),Patient Health Questionnaire-9,Eysenck Personality Questionnaire-Revised,Short Scale for Chinese,and Chinese Version of the Female Sexual Function Index.The main outcome was the anxiety symptoms measured by the GAD-7.Main outcome was compared between the MRKH syndrome group and the healthy control group.Then,we explored the related factors by comparing patients with and without anxiety symptoms.Results:Of the respondents,24.1%experienced moderate to severe anxiety symptoms.Patients with MRKH syndrome manifested more severe anxiety symptoms than healthy women.Negative self-evaluation of femininity(odds ratio[OR]2.706,95%confidence interval[CI]1.010-7.247),neurotic personality traits(OR 1.100,95%CI 1.029-1.175),and coexisting depressive symptoms(OR 4.422,95%CI 1.498-13.049)were more prevalent in anxious patients.Conclusion:The findings stress the importance of anxiety symptom screening in MRKH patients and identify patients at risk of anxiety symptoms,providing a possible basis for future intervention. | Shuang Song Na Chen Yan-Ping Duan Jia Kang Shan Deng Hong-Xin Pan Lan Zhu | 2020 | Chinese Medical Journal2020，，4： | 6 |
| 5 | Effects of Outdoor Temperature on Blood Pressure in a Prospective Cohort of Northwest China显示文摘Objective The relationship between outdoor temperature and blood pressure(BP) has been inconclusive. We analyzed data from a prospective cohort study in northwestern China to investigate the effect of outdoor temperature on BP and effect modification by season.Methods A total of 32,710 individuals who participated in both the baseline survey and the first follow-up in 2011–2015 were included in the study. A linear mixed-effect model and generalized additive mixed model(GAMM) were applied to estimate the association between outdoor temperature and BP after adjusting for confounding variables.Results The mean differences in systolic blood pressure(SBP) and diastolic blood pressure(DBP)between summer and winter were 3.5 mm Hg and 2.75 mm Hg, respectively. After adjusting for individual characteristics, meteorological factors and air pollutants, a significant increase in SBP and DBP was observed for lag 06 day and lag 04 day, a 0.28 mm Hg(95% CI: 0.27–0.30) per 1 °C decrease in average temperature for SBP and a 0.16 mm Hg(95% CI: 0.15–0.17) per 1 °C decrease in average temperature for DBP, respectively. The effects of the average temperature on both SBP and DBP were stronger in summer than in other seasons. The effects of the average temperature on BP were also greater if individuals were older, male, overweight or obese, a smoker or drinker, or had cardiovascular diseases(CVDs), hypertension, and diabetes.Conclusions This study demonstrated a significant negative association between outdoor temperature and BP in a high-altitude environment of northwest China. Moreover, BP showed a significant seasonal variation. The association between BP and temperature differed by season and individuals' demographic characteristics(age, gender, BMI), unhealthy behaviors(smoking and alcohol consumption), and chronic disease status(CVDs, hypertension, and diabetes). | ZHENG Shan WANG Min Zhen CHENG Zhi Yuan KANG Feng NIE Yong Hong MI Xiu Ying LI Hai Yan JIN Lan ZHANG Ya Wei BAI Ya Na | 2021 | Biomedical and Environmental Sciences2021，34，2： | 5 |
| 6 | Dicer-independent RNA-directed DNA methylation in Arabidopsis显示文摘指导 RNA 的 DNA methylation (RdDM ) 是在工厂的一条重要 de novo DNA methylation 小径。小介入 RNA (siRNAs ) 从 RNA 聚合酶 IV (Pol IV ) 由 Dicers 产生了抄本被认为指导顺序特定的 DNA methylation。到进 RdDM 的机制的获得卓见,我们执行了许多 Arabidopsis 异种定序的整个染色体的重亚硫酸盐,包括在 Pol IV (nrpd1 ) 或 Dicer (dcl1/2/3/4 ) 缺乏的工厂活动。出人意料地, RdDM 目标 loci,那要求了 Pol IV 或 Pol V,仅仅 16% 充分依赖于 Dicer 活动。DNA methylation 部分或完全独立于在留下的 Pol IV- 或 Pol 的 Dicer 活动 V 依赖的 loci,尽管有 24-nt siRNAs 的损失。相反, DNA methylation 层次至多与 Pol IV 依赖的 25-50 nt RNA 的累积相关在 Dicer 变异的植物的 loci。我们的结果建议在植物的 RdDM 被骰子无关的非编码的 RNA 的一个以前未得到欣赏的班大部分指导,并且那 siRNAs 被要求在仅仅 loci 的一个子集维持 DNA methylation。 | Dong Lei Yang Guiping KaiFang Jingwen Lan Yang HuanHuang HengZhung Jian Kang zhu | 2016 | Cell Research2016，26，1： | 5 |
| 7 | Runoff of the upper Yellow River above Tangnag: characteristics, evolution and changing trends显示文摘Runoff and its evolution, based on hydrometeorological data from surface measurement stations, are analyzed for the upper reaches of the Yellow River above Tangnag. Some mathematical statistical models, for example, Period Extrapolation-Gradual Regression Model, Grey Topology Forecast Model and Box-Jinkins Model, are applied in predicting changing trends on the runoff. The analysis indicates that the runoff volume in the upper Yellow River above Tangnag is ending a period of extended minimum flows. Increasing runoff is expected in the coming years. | LAN Yong-chao1, KANG Er-si1, MA Quan-jie2, ZHANG Ji-shi1, CHEN Ren-sheng1 (1. Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou 730000, China 2. Hydrology and Water Resources Bureau of the Upper Yellow River Basin, L | 2001 | Journal of Geographical Sciences2001，11，3： | 5 |
| 8 | Estimation of tree transpiration and response of tree conductance to meteorological variables in desert-oasis system of Northwest China显示文摘Transpirations of three dominated tree species, namely Mongol Scotch Pine (Pinus sylvestris var. mongolica Litvin), White elm (Ulmus pumila) and Gansu Poplar (Populus gansuensis Wang et Yang) in oasis shelter forest (Linze site) and of two dominated tree species,namely Euphrates Poplar (Populus euphratica Oliv.) and Russia olive (Elaeagnus angustifolia Linn.) in lowland desert (Erjinaqi site) have been estimated using measured sapflow in summer,autumn and winter, 2002 and in spring, 2003. An ENVIS System was used for each site to measure microclimate variables, soil moisture and sapflow every half an hour, and the study time scale is one day. In the 104 days of observation during the growing season at the Linze site, the average daily sapflow of Gansu Poplar is 9.93L·d-1,and the average transpiration per unit leaf area is 1.99mm·d-1.For White elm tree,the daily average sapflow is 4.08L·d-1,while the daily average transpiration per unit leaf area is 0.49mm·d-1.The values for Mongol Scotch Pine are 3.91L·d-1 and 0.25mm·d-1,respectively.In the total 73 days of observation during the growing season at the Erjinaqi site, the daily average sapflows of Russia olive and Euphrates Poplar are 12.1 and 20.97L·d-1,respectively,and the average transpirations per unit leaf area are 0.22 amd 0.31mm·d-1,respectively.In the observation period of the growing season,tree conductances of Mongol Scotch Pine, White elm, Gansu Poplar or Russia olive show an exponential relationship with the daily average air temperature or vapour pressure deficit, but the relationship is not so obvious between tree conductance and global radiation. The transpiration process of each tree species is affected by all the observed four environmental variables. The response of tree conductance to different climatic factors changes with tree species. The effect of the same factor to the same tree species is also variable in different growing stages. The sapflow of every tree species is relatively large in later spring to early summer, and low in summer, and then reaches its largest value in later September. In the mid-November, the sapflow is relatively large, especially the deciduous tree species. This may be characteristic of the tree species in Arid Regions of Northwest China. | CHEN Rensheng KANG Ersi ZHANG Zhihui ZHAO Wenzhi SONG Kechao ZHANG Jishi LAN Yongchao | 2004 | Science China Earth Sciences2004，47，z1： | 5 |
| 9 | Viable mice produced from three-factor induced pluripotent stem (iPS) cells through tetraploid complementation显示文摘 | Lan Kang Tong Wu Yu Zao Ye Yuan Jing He Yu Zhang Tong Luo Zhaohui Kou Shaorong Gao | 2011 | Cell Research2011，21，3： | 5 |
| 10 | Induced pluripotent stem cells(iPSCs)——a new era of reprogramming显示文摘Embryonic stem cells (ESCs) derived from the early embryos possess two important characteristics:self-renewal and pluripotency,which make ESCs ideal seed cells that could be potentially utilized for curing a number of degenerative and genetic diseases clinically.However,ethical concerns and immune rejection after cell transplantation limited the clinical application of ESCs.Fortunately,the recent advances in induced pluripotent stem cell (iPSC) research have clearly shown that differentiated somatic cells from various species could be reprogrammed into pluripotent state by ectopically expressing a combination of several transcription factors,which are highly enriched in ESCs.This ground-breaking achievement could circumvent most of the limitations that ESCs faced.However,it remains challenging if the iPS cell lines,especially the human iPSCs lines,available are fully pluripotent.Therefore,it is prerequisite to establish a molecular standard to distinguish the better quality iPSCs from the inferior ones. | Lan Kang Zhaohui Kou Yu Zhang Shaorong Gao | 2010 | Journal of Genetics and Genomics2010，37，7： | 5 |
| 11 | Fargeted elimination of mutant mitochondria DNA in MELAS-iPSCs by mitoTALENs显示文摘 | Yi Yang Han Wu Xiangjin Kang Yanhui Liang Ting Lan Tianjie Li Tao Tan Jiangyun Peng Quanjun Zhang Geng An Yali Liu Qian Yu Zhenglai Ma Ying Lian Boon Seng Soh Qingfeng Chen Ping Liu Yaoyong Chen Xiaofang Sun Rong Li Xiumei Zhen Yang Yu Xiaoping Li Yong Fan | 2018 | Protein & Cell2018，9，3： | 4 |
| 12 | eGPS 1.0: comprehensive software for multi-omic and evolutionary analyses显示文摘It has become increasingly challenging for researchers to analyze the exponentially expanding amount of multi-omic data.Here,we describe multi-functional software named evolutionary GenotypePhenotype Systems(eGPS)that enables users to perform comprehensive multiomic and evolutionary analyses.The eGPS combines the power of cloud computing and the advantage of desktop application,has a user-friendly graphic interface and is highly interactive. | Dalang Yu Lili Dong Fangqi Yan Hailong Mu Bixia Tang Xiao Yang Tao Zeng Qing Zhou Feng Gao Zhonghuang Wang Ziqian Hao Hongen Kang Yi Zheng Hongwei Huang Yuzhang Wei Wei Pan Yaochen Xu Junwei Zhu Shilei Zhao Ciran Wang Pengyu Wang Long Dai Mushan Li Li Lan Yiwei Wang Hua Chen Yi-Xue Li Yun-Xin Fu Zhen Shao Yiming Bao Fangqing Zhao Luo-Nan Chen Guo-Qing Zhang Wenming Zhao Haipeng Li | 2019 | National Science Review2019，6，5： | 4 |
| 13 | Investigation on the Influence of Refrigerant Charge Amount on the Cooling Performance of Air Conditioning Heat Pump System for Electric Vehicles显示文摘The application of air conditioning heat pump(ACHP) in electric vehicles could lead to significant electrical power saving effect. As for an air conditioning heat pump system for electric vehicles, the influence of refrigerant charge amount should be investigated during the design phase. In this study, experimental method was employed to investigate the influence of the refrigerant charge amount on the performance of the ACHP system. The results showed that the refrigerant charge amount had different influence on the refrigerant properties at various locations within the system. The coefficient of performance and pressure-enthalpy diagram were calculated, and showed a close relationship with refrigerant charge amount under different compressor speeds. The degree of subcooling and the degree of superheating were recorded and the critical charge amount was determined by a typical practical test method. In addition, the critical refrigerant charge amount determined by the experimental method was also compared with two typical void fraction correlation models, and the model with consideration of two phase stream reaction of the refrigerant showed a good estimation accuracy on the critical charge amount. | LI Kang LAN Jiao ZHOU Guoliang TANG Qitian CHENG Qia FANG Yidong SU Lin | 2019 | Journal of Thermal Science2019，28，2： | 3 |
| 14 | Application of Keyhole Microneurosurgery in China显示文摘 | Li-Gang Chen Shu-Da Chen Guang-Fu Huang Ying Huang De-Zhi Kang Qing Lan Gang Li Xin-Gang Li Zhi-Xiong Liu Song-Tao Qi Xin-Hua Tian Guo-Liang Wang Shuo Wang Xiang-Yu Wang Yong-Fei Wang Yun-Jie Wang Chao You Yan-Bing Yu Shu-Yuan Yue Dong Zhang Jian-Min Zhang Jian-Ning Zhang Jun-Ting Zhang Shi-Zhong Zhang Xian Zhang Ya-Zhuo Zhang Ji-Zong Zhao Wei-Guo Zhao Yuan-Li Zhao Ding-Biao Zhou Liang-Fu Zhou | 2017 | Chinese Medical Journal2017，，16： | 3 |
| 15 | 预测局部进展期直肠癌病理完全缓解和肿瘤降期的nomogram模型:基于一项随机对照研究数据的分析显示文摘背景:氟尿嘧啶为基础的术前化放疗被认为是局部进展期直肠癌(LARC)的标准治疗。当前一些预测LARC患者新辅助治疗后临床病理缓解(pCR)的nomogram模型仅仅是针对的是这一标准方案。本研究基于一项随机对照临床研究数据,利用新辅助治疗前临床病理参数,旨在建立一个用以预测不同方案新辅助治疗后pCR和肿瘤降期(ypT0-2N0M0)的nomogram模型。方法:从一项前瞻性随机对照研究(NCT01211210)中提取2011年1月至2015年2月间入组的309例LARC病例。收集所有新辅助治疗前临床参数建立预测pCR和肿瘤降期的nomogram模型。采用bootstrap法对模型进行内部验证。采用一致性指数(C-index)和校准曲线评估模型的预测价值。结果:309例患者中,53例(17.2%)获得pCR,132例(42.7%)ypT0-2N0M0患者判定为肿瘤降期。基于逻辑回归分析和临床考量,肿瘤大小(P¼0.005)、环周累及范围(P¼0.036)、肿瘤距肛缘距离(P¼0.019)和新辅助治疗方案(P<0.001)是pCR的独立预测因素;肿瘤大小(P¼0.015)、环周累及范围(P¼0.001)、肿瘤距肛缘距离(P¼0.032)、临床T分期(P¼0.012)和新辅助治疗方案(P¼0.001)是肿瘤降期的独立预测因素。基于上述因素建立的pCR预测模型和肿瘤降期预测模型,其预测结果与实际临床观察结果的C-index分别为0.802(90%CI:0.736-0.867)和0.730(95%CI:0.672-0.784)。内部验证的校正曲线也显示出了良好的预测价值。结论:本研究建立的nomogram模型能为不同新辅助治疗方案的直肠癌患者提供个体化预测。该模型有助于临床医生的治疗选择,但需要进一步外部验证。 | Jian-Wei Zhang Yue Cai Xiao-Yu Xie Hua-Bin Hu Jia-Yu Ling Ze-Hua Wu Ping Lan Xiao-Jian Wu Mei-Jin Huang Hui Wang Liang Kang Zhi-Yang Zhou Jian-Ping Wang Yan-Hong Deng | 2020 | Gastroenterology Report2020，8，3： | 3 |
| 16 | Extension Protocol for the Investigation on Nutrition Status and Clinical Outcome of Patients with Common Cancers in China(INSCOC)Study:2021 update显示文摘Background Malnutrition is common in patients with cancer,and this adversely affects the survival and quality of life of patients.Chinese Society for Nutritional Oncology issued a multi-center,large-scale,long-term follow-up prospective study,the Investigation on Nutrition Status and Clinical Outcome of Patients with Common Cancers in China(INSCOC study)since 2013.This is an extension to the previous 2013-2020 study protocol.This study still sought to:①address the prognostic impact of nutritional factors and quality of life on cancer patient survival;②describe the overall and cancer-specific incidence and/or distribution of malnutrition and different measurements of patient quality of life.Methods and study design This is an observational,multi-centered,hospital-based prospective cohort study.Data collection will be performed at baseline(within 48 hours after patient admission),during the hospital stay and 30 days after hospital admission.Follow-up will be conducted for 1-20 years after enrollment.The primary outcome will be the all-cause mortality/overall survival,and secondary outcomes will be the length of hospital stay and costs of hospitalization.Study factors will include demographic characteristics,tumor characteristics,information about chronic diseases,hematological measurements(e.g.,red blood cell count,total lymphocyte counts,hemoglobin,albumin,prealbumin,creatinine,C-reactive protein,IL-6),anthropometric measurements(e.g.,height,weight,arm circumference,arm muscle circumference,triceps skinfold thickness,and waist circumference),body composition parameters,PG-SGA scores,quality of life(as indicated by the QLQ-C30 questionnaire),muscle mass(as indicated by the calf circumference),muscle strength(as indicated by the handgrip strength),muscle function(as indicated by the six-meter walking speed test)and physical status assessments(as indicated by the Karnofsky Performance Status scores).This clinical study protocol was approved by local Ethics Committees of all the participating hospitals.Written informed consent is required for each subject included.Discussion This multi-center,large-scale,long-term follow up prospective study will help improve the diagnosis of malnutrition in cancer patients and identify the risk factors associated with adverse clinical outcomes.The anticipated results of this study will highlight the need for a truly scientific appraisal of nutrition therapy in Chinese oncology populations,and finally help treat the potentially reversible elements of malnutrition in cancer patients to improve their clinical outcomes in the future. | Hong Xia Xu Chun Hua Song Liang Yu Yin Chang Wang Zhen Ming Fu Zeng Qing Guo Yuan Lin Ying Ying Shi Wen Hu Yi Ba Su Yi Li Zeng Ning Li Kun Hua Wang Jing Wu Ying He Jia Jun Yang Cong Hua Xie Fu Xiang Zhou Xin Xia Song Gong Yan Chen Wen Jun Ma Su Xia Luo Zi Hua Chen Zhi Kang Chen Ming Hua Cong Hu Ma Chun Ling Zhou Wei Wang Qi Luo Yong Mei Shi Yu Mei Qi Hai Ping Jiang Wen Xian Guan Jun Qiang Chen Xiang Hua Wu Jia Xin Chen Yu Fang Lan Zhou Yong Dong Feng Rong Shao Tan Tao Li Jun Wen Ou Qing Chuan Zhao Jian Xiong Wu Min Weng Qing Hua Yao Ya Yin Yu Quan Jun Lyu Hong Qiu Ming Liu Wei Li Han Ping Shi The Investigation on Nutrition Status and Clinical Outcome of Common Cancers(INSCOC)Group | 2022 | Journal of Nutritional Oncology2022，7，2： | 3 |
| 17 | First results on ^(76)Ge neutrinoless double beta decay from CDEX-1 experiment显示文摘We report the first results on ^(76)Ge neutrinoless double beta decay from stage one of the China dark-matter experiment(CDEX).A p-type point-contact high-purity germanium detector with a mass of 994 g has been installed to detect neutrinoless double beta decay events, as well as to directly detect dark matter particles. An exposure of 304 kg d has been analyzed over a wide spectral band from 500 keV to 3 MeV. The average event rate obtained was about 0.012 counts per keV per kg per day over the 2.039 MeV energy range. The half-life of ^(76)Ge neutrinoless double beta decay derived based on this result is T^(0ν)1/2>6.4×10^(22) yr(90% C.L.). An upper limit on the effective Majorana-neutrino mass of 5.0 eV has been achieved. | Li Wang Qian Yue KeJun Kang JianPing Cheng YuanJing Li TszKing Henry Wong ShinTed Lin JianPing Chang JingHan Chen QingHao Chen YunHua Chen Zhi Deng Qiang Du Hui Gong Li He QingJu He JinWei Hu HanXiong Huang TengRui Huang LiPing Jia Hao Jiang HauBin Li Hong Li JianMin Li Jin Li Jun Li Xia Li XueQian Li YuLan Li FongKay Lin ShuKui Liu Hao Ma JingLu Ma XingYu Pan Jie Ren XiChao Ruan ManBin Shen Vivek Sharma Lakhwinder Singh Manoj Kumar Singh Manoj Kumar Singh Arun Kumar Soma ChangJian Tang WeiYou Tang ChaoHsiung Tseng JiMin Wang Qing Wang ShiYong Wu YuCheng Wu HaoYang Xing Yin Xu Tao Xue LiTao Yang SongWei Yang Nan Yi ChunXu Yu HaiJun Yu WeiHe Zeng XiongHui Zeng Zhi Zeng Lan Zhang YunHua Zhang MingGang Zhao Wei Zhao JiFang Zhou ZuYing Zhou JingJun Zhu WeiBin Zhu ZhongHua Zhu | 2017 | Science China(Physics,Mechanics & Astronomy)2017，60，7： | 3 |
| 18 | Dust storms in northern China during the last 500 years显示文摘The history and mechanisms of dust storms in northern China remain unclear owing to the paucity of reliable longterm,high-resolution geological records.In this study,we reconstructed the dust storm history of the last~500 years in northern China,based on sedimentary coarse fraction(>63μm)of a well-dated core from Lake Daihai,Inner Mongolia.The highresolution data reveal three intervals of frequent dust storms:AD 1520–1580,AD 1610–1720,and AD 1870–2000.The dust storm events in the Lake Daihai area were broadly synchronous with those inferred from other historical or geological records and generally occurred during cold intervals.Changes in the intensity of Siberian High and the westerlies modulated by temperature variations are the likely major factors controlling dust storm dynamics.An interesting feature is that although the intensities of dust storms have been systematically increased during the recent warming period,a clear decreasing trend within this period is evident.The recent increase in average dust storm intensity may be ascribed to an increase in particle supply resulting from a rapid increase in human activity,whereas the weakening trend was likely caused by decreases in average wind speed resulting from the recent global warming. | Shuang ZHANG Hai XU Jianghu LAN Yonaton GOLDSMITH Adi TORFSTEIN Guilin ZHANG Jin ZHANG Yunping SONG Kang’en ZHOU Liangcheng TAN Sheng XU Xiaomei XU Yehouda ENZEL | 2021 | Science China Earth Sciences2021，64，5： | 3 |
| 19 | Synthesis of N-methylene phosphonic chitosan(NMPCS)and its potential as gene carder显示文摘N-Methylene phosphoulc chitosan (NMPCS),an amphiphilic macromolecule with powerful chelating ability of Ca^(2+) ions,was synthesized and characterized.The physicochemical properties of NMPCS and the interactions between NMPCS and plasmid DNA were investigated by FTIR,^(13)C NMR,X-ray,agarose gel electrophorcsis retardation assay,atomic force microscopy (AFM) and circular dichroism (CD).The results suggest that at charge ratio 2:1 or above,DNA could be completely entrapped and spherical complexes with mean size of 80-210 nm were formed.Taking HeLa as host cell,luciferase expression mediated by NMPCS improved about 100 times compared to the expression mediated by chitosan. | Dun Wan Zhu Jin Gen Bo Hai Ling Zhang Wen Guang Liu Xi Gang Leng Cun Xian Song Yu Ji Yin Li Ping Song Lan Xia Liu Lin Mei Xiu Lan Li Yang Zhang Kang De Yao | 2007 | Chinese Chemical Letters2007，18，11： | 3 |
| 20 | Evaluation of human epidermal growth factor receptor 2 in breast cancer with a novel specific aptamer显示文摘 | Ming Chu Jia-rui Kang Wei Wang Haichao Li Jia-hui Feng Zheng-yun Chu Ming-bo Zhang Lan Xu Yue-dan Wang | 2017 | Cellular & Molecular Immunology2017，14，4： | 2 |
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