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| 1 | Pulsed Eddy Current Non-destructive Testing and Evaluation:A Review显示文摘Pulsed eddy current(PEC) non-destructive testing and evaluation(NDT&E) has been around for some time and it is still attracting extensive attention from researchers around the globe, which can be witnessed through the reports reviewed in this paper. Thanks to its richness of spectral components, various applications of this technique have been proposed and reported in the literature covering both structural integrity inspection and material characterization in various industrial sectors. To support its development and for better understanding of the phenomena around the transient induced eddy currents,attempts for its modelling both analytically and numerically have been made by researchers around the world.This review is an attempt to capture the state-of-the-art development and applications of PEC, especially in the last15 years and it is not intended to be exhaustive. Future challenges and opportunities for PEC NDT&E are also presented. | Ali Sophian Guiyun Tian Mengbao Fan | 2017 | Chinese Journal of Mechanical Engineering2017,30,3: | 27 |
| 2 | The complete nucleotide sequence of the mitochondrial genome of the cabbage butterfly, Artogeia melete (Lepidoptera: Pieridae)显示文摘Artogeia melete 的完全的 mitochondrial 染色体(mitogenome ) 作为由 15,140 bp 构成被决定,包括 13 编码蛋白质的基因(PCG ) , 2 rRNA 基因, 22 tRNA 基因,和基因控制区域。A 的基因顺序。melete mitogenome 典型地代表鳞翅目并且不同于昆虫在 trnM 的地点的祖先的类型。A。melete mitogenome 有分隔符序列在 10 个区域上散布了的 intergenic 的 119 bp 的一个总数,在在 1 和 48 bp 之间的尺寸变化。A 的核苷酸作文。melete mitogenome 也向核苷酸(79.77%) 它比 Ochrogaster lunifer (77.84%) 的高,但是比九另外的 lepidopterans 降低定序的 + T 被偏导。PCG 让典型 mitochondrial 开始 codons,除了 cox1,它包含不平常的 CGA。A 的 cox1, cox2, nad2,和 nad5 基因。melete mitogenome 有不完全的站 codons (T) 。A。T 富有的区域包含的 melete A + 类似于那些的一些保存结构在另外的鳞翅类的 mitogenomes 发现了包括联合主题 ATAGA 的结构, 19-bp poly (T) 段, microsatellite (在) n 元素,和 9-bp poly 在上游的(A) trnM。A。melete mitogenome 包含一个复制 36-bp 重复元素,它完美地由 10-bp 由 26-bp 核心顺序 flanked 组成转换重复。 | Guiyun Hong Shaotong Jiang Miao Yu Ying Yang Feng Li Fangsen Xue Zhaojun Wei | 2009 | Acta Biochimica et Biophysica Sinica2009,41,6: | 18 |
| 3 | Mid-Holocene climate change in North China, and the effect on cultural development显示文摘In this study, to reconstruct the paleoclimatic history, pollen and oxygen isotope were analyzed on the 160 samples of a 2.7 m peat core from Taishizhuang, Huailai County, Hebei Province. Combining our data with other information of climate history and archaeology from this area, we found that there is a close linkage between cultural development and the mid-Holocene (6000-3000 cal. aBP) environment changes. The main results and conclusions are presented as the following: The climate during 5678-5400 cal. aBP was unstable and in general colder and drier than today. From 5400 to 4800 cal. aBP the climate was much warmer and wetter than before. The climate during 4800-4300 cal. aBP was persistently cold, with an exceptional cold event occurring at 4600-4300 cal. aBP. This cold event was recorded at several other localities in Northern China even the Northern Hemisphere and played an important role in the cultural development. After the cold event, there was a return to warmer conditions between 4200 and | JIN Guiyun & LIU Dongsheng (LIU Tungsheng)Institute of Cultural Relics and Archaeology of Shandong Province, Jinan 250012, China Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China | 2002 | Chinese Science Bulletin2002,47,5: | 15 |
| 4 | Factors Associated with Thrombolysis Outcome in Ischemic Stroke Patients with Atrial Fibrillation显示文摘The outcome of early intravenous thrombolysis for ischemic stroke in patients with atrial fibrillation(AF)is worse than that without thrombosis. How to increase the efficacy of intravenous thrombolysis for AF-related ischemic stroke remains largely unknown. In this study, we investigated factors that influence the effect of intravenous thrombolysis in these patients. Our results showed that thrombolysis was independently associated with a favorable outcome(P \ 0.001) and did not influence the mortality of AF-related ischemic stroke, although it increased the risk of hemorrhage within 24 h after treatment. Risk factors for a poor outcome at admission were:heart failure(P = 0.045); high systolic pressure(P = 0.039); high blood glucose(P = 0.030); and a high National Institutes of Health Stroke Scale(NIHSS) score(P \ 0.001). Moreover, high systolic pressure at admission(P = 0.007), high blood glucose(P = 0.027), and a high NIHSS score(P \ 0.001) were independent risk factors for mortality at 3 months. Besides thrombolysis, a high NIHSS score(P = 0.006) and warfarin taken within 48 h before stroke onset(P = 0.032) were also independent risk factors for symptomatic hemorrhage within 24 h after treatment. Ischemic stroke patients with AF benefited from intravenous thrombolysis with recombinant tissue plasminogen activator within 4.5 h after stroke. | Qiuyun Zhao Xiaobo Li Wanli Dong Min Ye Yongjun Cao Meijuan Zhang Qiantao Cheng Junshan Zhou Guofang Chen Ming Yu Shanshan Hong Xiue Wei Bei Wang Guiyun Cui Peng Zhang Hong Ding Rongzhen Xu Yan Chen Yun Xu | 2016 | Neuroscience Bulletin2016,32,2: | 13 |
| 5 | Neolithic rice paddy from the Zhaojiazhuang site, Shandong, China显示文摘To identify and study the Neolithic rice paddy in Shandong, eastern China, is not only an important issue in the development of Chinese rice agriculture, but also a key part of the study on rice spread in East Asia. Due to the limitation of archaeological materials and the research methods, there have been no discoveries about the Neolithic rice paddy in Shandong Province for a long time. Based on the identification of possible rice paddy by archaeological excavation, phytolith analysis of soil samples from this 'paddy' has been systematically carried out and the results have shown a 4600—4300 years old rice paddy preserved at the Zhaojiazhuang site. This is the first examination and study of the rice paddy in North China by systematic phytolith analysis, which is very important for the Neolithic archaeological research and the study of the eastward spread of rice agricultural techniques in East Asia. | JIN GuiYun YAN ShengDong Tetsuro UDATSU LAN YuFu WANG ChunYan TONG PeiHua | 2007 | Chinese Science Bulletin2007,52,24: | 12 |
| 6 | Pulsed electromagnetic non-destructive evaluation and applications显示文摘This paper introduces recent research work in the field of pulsed electromagnetic non-destructive testing/evaluation.These are pulsed eddy current,pulsed magnetic flux leakage and eddy current pulsed thermography.This paper introduces pulsed electromagnetic techniques and their different case studies on defect detection as well as stress characterisation.Experimental tests have been validated and future research plans are discussed.This paper demonstrates pulsed electromagnetic non-destructive testing and evaluation for not only depth information,but also for multiple parameter measurement and multiple integration,which are important for future development. | TIAN Guiyun ZHOU Xiuyun Ibukun D.Adewale | 2014 | Instrumentation2014,1,1: | 8 |
| 7 | A static and dynamic factorscoupled forecasting model of regional rainfall-induced landslides:A case study of Shenzhen显示文摘Most rainfall-induced landslide forecasting models focus on the relation between landslides and rainfall,which is one of the dynamic factors,and seldom consider the stacitc factors,such as geological and geograpical factors.Landslide susceptibility,however,is determinded by both static and dynamic factors.This article proposes a static and dynamic factors-coupled forecasting model(SDFCFM) of regional rainfall-induced landslides,which quantitatively considers both the static and dynamic factors that affect landslides.The generalized additive model(GAM) is applied to coupling both factors to get the landslide susceptibility.In the case study,SDFCFM is applied to forecast the landslide occurrences in Shenzhen during a rainfall process in 2008.Compared with the rainfall logistic regression model,the resulting landslide susceptibility map illustrates that SDFCFM can reduce the forecast redundancy and improve the hit ratio.It is both applicable and practical.The application of SDFCFM in landslide warning and prevention system will improve its efficiency and also cut down the cost of human and matreial resources. | JIA GuiYun,TIAN Yuan,LIU Yu & ZHANG Yi Institute of Remote Sensing and GIS,Peking University,Beijing 100871,China | 2008 | Science China(Technological Sciences)2008,51,S2: | 5 |
| 8 | Constraint-induced movement therapy promotes brain functional reorganization in stroke patients with hemiplegia显示文摘Stroke patients with hemiplegia exhibit flexor spasms in the upper limb and extensor spasms in the lower limb, and their movement patterns vary greatly. Constraint-induced movement therapy is an upper limb rehabilitation technique used in stroke patients with hemiplegia; however, studies of lower extremity rehabilitation are scarce. In this study, stroke patients with lower limb hemiplegia underwent conventional Bobath therapy for 4 weeks as baseline treatment, followed by constraint-induced movement therapy for an additional 4 weeks. The 10-m maximum walking speed and Berg balance scale scores significantly improved following treatment, and lower extremity motor function also improved. The results of functional MRI showed that constraint-induced movement therapy alleviates the reduction in cerebral functional activation in patients, which indicates activation of functional brain regions and a significant increase in cerebral blood perfusion. These results demonstrate that constraint-induced movement therapy promotes brain functional reorganization in stroke patients with lower limb hemiplegia. | Wenqing Wang Aihui Wang Limin Yu Xuesong Han Guiyun Jiang Changshui Weng Hongwei Zhang Zhiqiang Zhou | 2012 | Neural Regeneration Research2012,7,32: | 4 |
| 9 | Existence of positive solutions for integral boundary value problem of fractional differential equations显示文摘In this paper,we concern ourselves with the existence of positive solutions for a type of integral boundary value problem of fractional differential equations with the fractional order linear derivative operator. By using the fixed point theorem in cone,the existence of positive solutions for the boundary value problem is obtained. Some examples are also presented to illustrate the application of our main results. | Xiping Liu Guiyun Wu | 2014 | 上海师范大学学报(自然科学版)2014,43,5: | 4 |
| 10 | On weakly S-embedded subgroups of finite groups显示文摘Let H be a subgroup of a group G.Then H is said to be S-quasinormal in G if HP = P H for every Sylow subgroup P of G;H is said to be S-quasinormally embedded in G if a Sylow p-subgroup of H is also a Sylow p-subgroup of some S-quasinormal subgroup of G for each prime p dividing the order of H.In this paper,we say that H is weakly S-embedded in G if G has a normal subgroup T such that HT is an S-quasinormal subgroup of G and H ∩ T≤H SE,where H SE denotes the subgroup of H generated by all those subgroups of H which are S-quasinormally embedded in G.Some results about the influence of weakly S-embedded subgroups on the structure of finite groups are given. | LI JinBao CHEN GuiYun CHEN RuiFang | 2011 | Science China Mathematics2011,54,9: | 3 |
| 11 | Distribution of Dissolved Inorganic Carbon (DIC) and Its Related Parameters in Seawater of the North Yellow Sea and off the Qingdao Coast in October, 2007显示文摘Data on the distribution of dissolved inorganic carbon (DIC) were obtained from two cruises in the North Yellow Sea (NYS) and off the Qingdao Coast (QC) in October, 2007. Carbonate parameters were calculated. The concentrations of DIC are from 1.896-2.229 mmolL-1 in the NYS and from 1.939-2.032 mmolL-1 off the QC. In the southwest of the NYS, DIC in the upper layers decreases from the north of the SP (Shandong Peninsula) shelf to the center of the NYS; whereas in the lower layers DIC increases from the north of the SP shelf to the center of the NYS and South Yellow Sea. In the northeast of the NYS, DIC in all layers in- creases from the YR (Yalu River) estuary to the centre of the NYS. The distribution of DIC in NYS can be used as an indicator of Yellow Sea Cold Water Mass (YSCWM). Air-sea CO2 fluxes were calculated using three models and the results suggest that both the NYS and the QC waters are potential sources of atmospheric CO2 in October. | JI Hongwei SHENG Guiyun XIN Huizhen SHA Yuanyuan | 2009 | Journal of Ocean University of China2009,8,4: | 3 |
| 12 | A New Characterization of Simple K_4-Groups显示文摘In this paper,we characterize some simple K_4-groups only by using the group order and largest element orders,where a simple K_4-group is a simple group of order containing exactly four distinct primes. | Liguan HE Guiyun CHEN | 2015 | Journal of Mathematical Research with Applications2015,35,4: | 3 |
| 13 | Synthesis, Antitumor Activity and Preliminary Structure-activity Relationship of 2-Aminothiazole Derivatives显示文摘In this paper, we described the synthesis of 2-aminoflfiazole sublibrary containing methyl, bromo, phenylor butylidene at 4- or/and 5-position of its core. All target compounds were evaluated tbr their antitumor activitiesagainst human lung cancer cell line H1299 and human glioma cell line SHG-44. Among the compotmds screened,4,5,6,7-tetrahydrobenzo[d]thiazole(26b) exhibited the most potent antittunor activities with IC50 values of 4.89 and4.03 μmol/L against the two tested cell lines, respectively. Preliminary structure-activity relationship(SAR) studies ofthese compound were subsequently investigated. | LI Hongshuang WANG Xinran DUAN Guiyun XIA Chengcai XIAO Yuliang LI Furong GE Yanqing YOU Guirong HAN Junfen FU Xiaopan | 2016 | Chemical Research in Chinese Universities2016,32,6: | 3 |
| 14 | Online single particle measurement of fireworks pollution during Chinese New Year in Nanning显示文摘Time-resolved single-particle measurements were conducted during Chinese New Year in Nanning, China. Firework displays resulted in a burst of SO_2, coarse mode, and accumulation mode(100–500 nm) particles. Through single particle mass spectrometry analysis, five different types of particles(fireworks-metal, ash, dust, organic carbon-sulfate(OC-sulfate), biomass burning) with different size distributions were identified as primary emissions from firework displays. The fireworks-related particles accounted for more than70% of the total analyzed particles during severe firework detonations. The formation of secondary particulate sulfate and nitrate during firework events was investigated on single particle level. An increase of sulfite peak(80SO_3^-) followed by an increase of sulfate peaks(97HSO_4^-+ 96SO_4^-) in the mass spectra during firework displays indicated the aqueous uptake and oxidation of SO_2 on particles. High concentration of gaseous SO_2, high relative humidity and high particle loading likely promoted SO_2 oxidation. Secondary nitrate formed through gas-phase oxidation of NO_2 to nitric acid, followed by the condensation into particles as ammonium nitrate. This study shows that under worm, humid conditions, both primary and secondary aerosols contribute to the particulate air pollution during firework displays. | Jingyan Li Tingting Xu Xiaohui Lu Hong Chen Sergey A.Nizkorodov Jianmin Chen Xin Yang Zhaoyu Mo Zhiming Chen Huilin Liu Jingying Mao Guiyun Liang | 2017 | Journal of Environmental Sciences2017,29,3: | 3 |
| 15 | An important military city of the Early Western Zhou Dynasty:Archaeobotanical evidence from the Chenzhuang site,Gaoqing,Shandong Province显示文摘In ancient Chinese history,the Western Zhou Dynasty has long been renowned for having expanded its control and territory into many other states.However,historical documents and archaeological records of this period are limited;thus the early history of the Western Zhou Dynasty's operation in eastern China and its establishment of the Qi and Lu states have been unclear.The discovery of the Chenzhuang city site in Gaoqing County,Shandong Province,with chariot-horse pits,an altar and bronze vessels with inscriptions,adds a new line of evidence for studying the history of this period.However,with no direct evidence,the nature of the city site is controversial.Plant remains,especially a large number of sweet clover seeds,recovered from this site by systematic archaeobotanical methods provide an important source of information for research into the site's function.Considering that modern sweet clover is superior fodder for horses and the sweet clover seeds from the Chenzhuang site coexist with chariot-horse pits and horse remains,it is suggested these sweet clover seeds might represent the fodder of battle steeds.This suggestion supports the opinion of those who believe the Chenzhuang city site was once an important military city of the Western Zhou Dynasty in eastern China. | JIN GuiYun ZHENG TongXiu LIU ChangJiang WANG ChuanMing GAO MingKui | 2012 | Chinese Science Bulletin2012,57,2: | 3 |
| 16 | On the numbers of connected components of hattorigraph显示文摘OnthenumbersofconnectedcomponentsofhattorigraphChenGuiyun(DepartmentofMathematicsSouthwestChinaNormalUniversity,Chongqing6307... | Chen Guiyun(Department of Mathematics Southwest China Normal University, Chongqing 630715) | 1995 | 西南师范大学学报(自然科学版)1995,20,4: | 3 |
| 17 | The cost of obsessive- compulsive disorder (OCD) in China: a multi- center cross- sectional survey based on hospitals显示文摘Background Obsessive-compulsive disorder(OCD)is considered a very debilitating disorder with severe loss of quality of life and income.Aims This study estimates the quality of life and economic consequences of OCD in China.Methods The research team interviewed 639 patients with OCD in 13 hospitals in 12 cities in China.The direct method was used to get the direct cost of OCD.Indirect costs associated with OCD were estimated using the human capital approach.Linear regression analysis was conducted for quality of life and generalised linear model analysis was conducted for total cost.Sensitivity analysis was used to analyse the uncertainty of total cost.Results The mean quality of life score for OCD was 52.78(20.46).The annual total cost of OCD per capita was 24503.78(95%CI:22621.53 to 26386.03)renminbi(RMB)(US$3465.88(95%CI:US$3199.65 to US$3732.11)).The annual cost of OCD in China was estimated to be 37.74 billion(95%CI:34.95 billion to 40.53 billion)RMB(equal to US$5.34 billion(95%CI:US$4.94 billion to US$5.73 billion)).Sensitivity analysis showed that the total annual cost of OCD in China was between 23.15 billion RMB(US$3.27 billion)and 370.00 billion RMB(US$52.33 billion).Worse social function status,more psychiatric symptoms and higher Yale Brown Obsessive-Compulsive Scale(Y-BOCS)score were associated with worse quality of life.The numbers of clinic visits and hospitalisations,socioeconomic status,education,Y-BOCS scores and age were found to be significantly associated with total cost.Conclusions OCD is associated with low quality of life and high costs in China.The findings call for concerted efforts to improve services for patients with OCD.Improvements may include early detection and diagnosis,the provision of evidence-based treatments and relapse prevention strategies. | Weili Yang Zhen Tang Xijin Wang Xiancang Ma Yuqi Cheng Bin Wang Ping Sun Wenxin Tang Jia Luo Changhong Wang Ping Li Guiyun Xu Jun Yan Vlasios Brakoulias Zhen Wang | 2021 | General Psychiatry2021,34,6: | 3 |
| 18 | Novel Temperature-Independent FBG-type Pressure Sensor with Step-Coated Polymers显示文摘In this paper, a novel technique is presented for an FBG with the step-coated polymers, which can be used for the measurement of the temperature-independent pressure in the temperature range between 5 and 50℃. | Weigang Zhang, Guiyun Kai, Xiaoyi DongInstitute of Modern Optics, the key laboratory of Optoelectronic Information Technology Science, EMC, Nankai University, Tianjin, 300071, P. R. China, Tel: 86-22-23509479, Fax: 86-22-23508770, Email: weigangzh22@sina.com | 2003 | 光学学报2003,23,S1: | 3 |
| 19 | A Novel Method of Edge Filter Linear Demodulation Using Long Period Grating in Fiber Sensor System显示文摘A novel method of linear demodulation based on edge filter is presented. An experimental system is built up in which LPG is used as the edge filter. We achieve linear demodulation with a bandwidth of 5nm. | Bo Liu Zhengrong Tong Shaohua Chen Jian Zeng Guiyun Kai Xiaoyi Dong WeiGang Zhang Institute of Modern Optics, Nankai University, P.R.China,Tel:86-22-23509849,E-mail:truepipi@163.com | 2003 | 光学学报2003,23,S1: | 2 |
| 20 | A Novel Edge Filter Demodulation Technique by Using High Birefringence Fiber Sagnac Loop Mirror显示文摘A novel way of edge filter demodulation for fiber Bragg grating sensor is put forward. A high birefringence fiber Sagnac loop mirror is used as edge filter to demodulate FBG sensor wavelength shift in range of about 8 nm. | Guang Zhou Qida Zhao Guiyun Kai Xiaoyi Dong Institute of Modern Optics, Nankai University, P.R.China, Tel: 86-22-23508770 | 2003 | 光学学报2003,23,S1: | 2 |