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| 1 | On Uplink Non-Orthogonal Multiple Access for 5G:Opportunities and Challenges显示文摘In this paper,the concept of grantfree non-orthogonal multiple access(NOMA) for uplink data transmission is elaborated.NOMA in combination with grant-free can be applied to ultra reliability low latency communication(URLLC),massive machine type communication(m MTC),enhanced mobile broadband(e MBB) small packet and two-step random-access channel(RACH) scenarios.The advantages of grant-free NOMA are low latency and signaling overhead,high access capability and efficient resource utilization.Candidate uplink NOMA schemes are summarized and preliminary comparison among a subset of schemes are presented.Furthermore,design aspects for grant-free NOMA are discussed,with special notes on particular issues such as blind UE identification and transmitter/receiver(Tx/Rx) impairments in realistic deployment. | Li Tian Chunlin Yan Weimin Li Zhifeng Yuan Wei Cao Yifei Yuan | 2017 | China Communications2017，14，12： | 9 |
| 2 | Nanometer lapping technology at high speed显示文摘In floating lapping with solid abrasives, the workpiece is taken as an isolated body. The forces that act on it are analyzed. A differential equation about the forces that act on it is set up, so the forces that act on it and its motion rule are received. Combining it with known lapping tool motion, the relative motion rule between the lapping tool and workpiece is determined too. According to the relative motion, the distribution of abrasives density is designed reasonably, which makes the lapping tool wear uniformly, which, in turn, avoids redressing the lapping tool, saves abra-sives, and increases machining accuracy. Combining it with advantages in high speed lapping with solid abrasives, the low cost, high efficiency nanometer lapping at high speed is realized. | YANG JianDong TIAN ChunLin WANG ChangXing | 2007 | Science China(Technological Sciences)2007，50，1： | 6 |
| 3 | Disordered Translocation is Hastening Local Extinction of the Chinese Giant Salamander显示文摘Biodiversity is declining globally by an unprecedented extinction rate.This is especially true for amphibians,accounting for 24.3%of all threatened vertebrates.As the largest extant amphibian species in the world,wild populations of the Chinese giant salamander(Genus Andrias)(CGS)have decreased dramatically because of overexploitation and habitat degradation.Translocation has become an important strategy for restoring threatened wild populations worldwide.However,disordered tra nsloca tion usually has negative effects on the native populations.We provide an overview of CGS translocation and show that disordered translocation can increase local population extinction.Nearly four times the estimated number of wild individuals have been released across China.There a re three types of translocation used for CGS,namely,reinforcement,reintroduction and ecological replacement,the last of which accounts for over one-third of translocations.Our genetic screening revealed that most released individuals were not from local populations,with one to four lineages detected in every release site(n=6).This disordered translocation can potentially reduce the genetic integrity of original populations.Hence,we suggest suspending current CGS translocation activities immediately,until more robust measures can be developed and implemented to improve the current translocation program,especially with respect to lineage identifica tion a nd the identifica tion of appropriate release sites. | Guocheng SHU Ping LIU Tian ZHAO Cheng LI Yinmeng HOU Chunlin ZHAO Jie WANG Xiaoxiao SHU Jiang CHANG Jianping JIANG Feng XIE | 2021 | Asian Herpetological Research2021，12，3： | 4 |
| 4 | Effects of magnesium on the performance of sows and their piglets显示文摘The objective of this study was to evaluate the effects of supplemental magnesium(Mg) on the performance of gilts and parity 3 sows and their piglets.Fifty-six gilts(Trial 1) and 56 sows(Trial 2) were assigned to one of 4treatments according to their mating weight,respectively.The treatments comprised corn-soybean meal based gestation and lactation diets(0.21%magnesium) supplemented with 0,0.015,0.03,or 0.045%Mg from mating until weaning.The results showed that magnesium supplementation significantly(P < 0.05) reduced the weaning to estrus interval in both gilts and sows.There were significant effects(P < 0.05) of supplemental magnesium on the total number of piglets born,born alive and weaned in sows.In late gestation and lactation,the digestibility of crude fiber(quadratic effects,P< 0.05),and crude protein(P< 0.05),were significantly influenced by magnesium in gilts and sows,respectively.There were differences among the 4 groups in terms of the apparent digestibility of dry matter and crude fiber in sows(P< 0.05) during both early and late gestation.The apparent digestibility of gross energy was increased for sows in late gestation(P< 0.05),and lactation(quadratic effects,P< 0.05).At farrowing and weaning,serum prolactin levels and alkaline phosphate activities linearly increased in sows as the Mg supplementation increased(P < 0.05).Serum Mg of sows at farrowing and serum urea nitrogen of sows at weaning was significantly influenced by Mg supplementation(P< 0.05).The Mg concentration in sow colostrum and the serum of their piglets were increased by supplemental magnesium(P < 0.05).In addition,growth hormone levels were linearly elevated(P< 0.05) in the serum of piglets suckling sows.Our data demonstrated that supplemental magnesium has the potential to improve the reproduction performance of sows,and the suitable supplemental dose ranged from 0.015%to 0.03%. | Jianjun Zang Jingshu Chen Ji Tian Aina Wang Hong Liu Shengdi Hu Xiangrong Che Yongxi Ma Junjun Wang Chunlin Wang Guanghua Du Xi Ma | 2015 | Journal of Animal Science and Biotechnology2015，6，1： | 3 |
| 5 | Metamaterials: Reshape and Rethink显示文摘Metamaterials are composite materials whose material properties(acoustic, electrical, magnetic, or optical, etc.) are determined by their constitutive structural materials, especially the unit cells. The development of metamaterials continues to redefine the boundaries of materials science. In the field of electromagnetic research and beyond, these materials offer excellent design flexibility with their customized properties and their tunability under external stimuli. In this paper, we first provide a literature review of metamaterials with a focus on the technology and its evolution. We then discuss steps in the industrialization process and share our own experience. | Ruopeng Liu Chunlin Ji Zhiya Zhao Tian Zhou | 2015 | Engineering2015，1，2： | 2 |
| 6 | New process for production of ultra-thin grain oriented silicon steel显示文摘The Hi-B silicon steels were cold rolled by cross shear rolling (CSR) with different mismatch speed ratio(MSR)s and conventional rolling(CR) respectively, followed by primary recrystallization annealing. The effects of MSR and annealing temperature on magnetic properties of ultra-thin grain oriented silicon steel were analyzed. Experimental results show that, with the increase of MSR, the magnetic properties can be remarkably improved. The higher the annealing temperature is, the higher the magnetic induction and the lower the iron loss in ultra-thin silicon steel is. | GAO Xiuhua LIU En QIU Chunlin QI Kemin TIAN Yanwen | 2006 | Rare Metals2006，25，z1： | 1 |
| 7 | Metamaterials beyond negative refractive index: Applications in telecommunication and sensing显示文摘Metamaterials have earned their name with extraordinary properties such as negative refractive index and invisibility cloaking. With over 15 years of research and development, metamaterials show their debut in real world applications, especially in the areas of telecommunication, sensing, aerospace & defense, optics and medical instrumentation. In the meanwhile, metamaterials are expanding their concept in areas beyond electromagnetics. In this paper, the authors would like to focus on the research and applications in telecommunication and sensing. Octave-bandwidth horn antennas, flat-panel satellite antennas and air-borne holographic satellite antennas are all fabulous examples of clever implementation that bring metamaterials into practical devices. We would like to discuss the features that differentiate metamaterials from conventional counterparts in case studies. With the advancement in design, manufacturing, packaging, detection and testing, more sophisticated features are expected in the telecommunication, sensing, and beyond. | LIU RuoPeng ZHAO ZhiYa JI ChunLin ZHOU Tian | 2016 | Science China(Technological Sciences)2016，59，7： | 1 |
| 8 | Guidelines for the diagnosis and treatment of acute pancreatitis in China (2021)显示文摘Acute pancreatitis(AP)is a common acute abdominal condition of the digestive system.In recent years,treatment concepts,methods,and strategies for the diagnosis of AP have advanced,and this has played an important role in promoting the standardization of AP diagnosis and treatment and improving the treatment quality of AP patients.On the basis of previous guidelines and expert consensus,this guideline adopts an evidence-based,problem-based expression;synthesizes important clinical research data at home and abroad in the most recent 5 years;and forms 29 recommendations through multidisciplinary expert discussion,including diagnosis,treatment,and follow-up.It is expected to provide evidence support for the treatment of AP in the clinical setting in China. | Fei Li Shouwang Cai Feng Cao Rufu Chen Deliang Fu Chunlin Ge Chunyi Hao Jihui Hao Heguang Huang Zhixiang Jian Gang Jin Ang Li Haimin Li Shengping Li Weiqin Li Yixiong Li Tingbo Liang Xubao Liu Wenhui Lou Yi Miao Yiping Mou Chenghong Peng Renyi Qin Chenghao Shao Bei Sun Guang Tan Xiaodong Tian Huaizhi Wang Lei Wang Wei Wang Weilin Wang Junmin Wei Heshui Wu Wenming Wu Zheng Wu Changqing Yan Yinmo Yang Xiaoyu Yin Xianjun Yu Chunhui Yuan Taiping Zhang Yupei Zhao on behalf of the Chinese Pancreatic Surgery Association | 2021 | Journal of Pancreatology2021，4，2： | 1 |
| 9 | Cognitive function with glucose tolerance status and obesity in Chinese middle-aged and aged adults显示文摘 | Yanhui Lu Juming Lu Shuyu Wang Chunlin Li Lisheng Liu Runping Zheng Hui Tian Xianling Wang Lijuan Yang Yuqing Zhang Changyu Pan | 2012 | Aging & Mental Health2012，，7： | 1 |
| 10 | Effect of aging on islet beta-cell function and its mechanisms in Wistar rats显示文摘 | Zhaoyan Gu Yingzhen Du Yu Liu Lichao Ma Lin Li Yanping Gong Hui Tian Chunlin Li | 2012 | AGE2012，，6： | 1 |
| 11 | Uniform Pricing Strategy vs. Price Differentiation Strategy in the Presence of Cost Saving and Demand Increasing显示文摘Price differentiation or discrimination strategy has been regarded as the best choice for firms with online and offline channels, however, recent years often witnessed the practices of the uniform pricing strategy. This paper aims to address the question whether the uniform pricing strategy may be better for the manufacturer, when the uniform pricing strategy has a positive impact on increasing the ciistomer demand and reducing the operations cost. The research shows that the uniform pricing strategy can be bet ter than the price differentiation strategy when the cost saving and demand increasing are large enough or the consumers' acceptance of online channel lies in a certain interval. Moreover, the manufac tu rers or brand owners need a tradeoff bet ween the benefit from online channel and the negative impact from the offline channel when they implement the price differentiation strategy. Finally, the authors obtain some managerial insights and implications based on the numerical analyses, which are in line with the phenomena in practice. | CAI Qiang LUO Chunlin TIAN Xin WANG Shouyang | 2019 | Journal of Systems Science & Complexity2019，32，3： | 0 |
| 12 | Intraspecific variation in microhabitat selection in reintroduced Chinese giant salamanders显示文摘Reintroduction of captive-bred Chinese giant salamanders is a primary approach for restoring wild populations.Despite previous studies have investigated the habitat preferences of reintroduced Chinese giant salamanders,the intraspecific variation in their habitat selection has been neglected.In the present study,30 captive-bred Chinese giant salamanders belonging to 3 groups(i.e.,10 males,10 females,and 10 juveniles)were released into a montane stream to explore whether intraspecific variation in habitat selection occurred in this species using radiotelemetry.Our results indicated that linear home range and daily movement of males were significantly higher than those of females and juveniles.Male sedentariness was significantly lower than that of females and juveniles.No significant differences were detected between females and juveniles in these measures.Importantly,we found that males preferred microhabitats with low water conductivity and deep water depth.Females preferred microhabitats with high water conductivity,low dissolved oxygen and ammonium-nitrogen,and slow current velocity,while juveniles occupied microhabitats with low ammonium-nitrogen.In addition,males and juveniles exhibited higher niche breadth than females.Niche overlap was high between adults and juveniles but low between males and females.Our study revealed the presence of spatial segregation in reintroduced Chinese giant salamanders.Males,females,and juveniles exhibited variation in microhabitat selection.These results provide important information for use when planning strategies for conservation of Chinese giant salamanders. | Chunlin Zhao Jianyi Feng Zijian Sun Wei Zhu Jiang Chang Wenbo Fan Jianping Jiang Bisong Yue Tian Zhao | 2023 | Current Zoology2023，69，2： | 0 |
| 13 | Supply Chain Engineering in China's Retailing Industry: A Case of Meiyijia显示文摘This paper addresses the supply chain engineering and its application in China's retailing industry. Based on the approaches of systems engineering, we propose the concept of supply chain engineering, which applies the idea of supply chain management to the engineering practices through the advanced information and management technology, to integrate the supply chain system and optimize its operations. We then illustrate the application of the supply chain engineering in China's retailing industry. In such practices, we developed the virtual retailing enterprise mode and the FROM-SCM system, and designed the sales assistant etc. Such theory and practices are successfully applied in Meiyijia, which has transformed Meiyijia from a traditional retailer to a modern service enterprise, and the profits are resulted from the service fees rather than the traditional surplus between buying and selling prices. Now Meiyijia has built an ecosystem with the retailer in the core, the headquarter as the service platform. The success of Meiyijia in recent years shows the effectiveness of the supply chain engineering. | Xin TIAN Chunlin LUO Shouyang WANG Yuzhang DING | 2017 | Journal of Systems Science and Information2017，8，5： | 0 |
| 14 | Otolith Microstructure Analysis Reveals Different Growth Histories of Japanese Sardine (Sardinops melanostictus) in the Oyashio Waters显示文摘After decades of low year classes,the stock of Japanese sardine(Sardinops melanostictus)has begun to recover since the mid-2000s.The hatch dates and otolith growth rates of age-0 juvenile sardine,which were collected in the subarctic Oyashio waters in autumn 2018,were determined from an otolith microstructure analysis.The sardines were hatched from late January to late April,while mostly in February and March.The otolith growth rate increased continuously up to 60 d after hatching and thereafter de-creased.The revealed growth rate in a crucial growth period is faster than that reported for juvenile sardines collected in the 1990s,which is coincided with the recent recovery trend of the sardine stock.Two groups with different hatch dates,growth histories,and migration routes were identified using unsupervised random forest clustering analysis.They were considered inshore and offshore migration individuals in accordance with recent researches.In the offshore group,a high proportion of sardine juveniles hatched late and grew faster in the Kuroshio-Oyashio transitional waters,a finding consistent with the hypothesis of growth-rate-dependent re-cruitment.This finding on the population composition and growth rate of juvenile sardine in the Oyashio waters can be a basis for an improved prediction of their survival and provides us with valuable information on the recruitment processes of this stock during the period of stock recovery. | LIU Chunlin ZHANG Chi TIAN Yongjun WANG Liangming LIN Longshan LI Yuan WATANABE Yoshiro | 2022 | Journal of Ocean University of China2022，21，1： | 0 |
| 15 | TWO-PHASE IMAGE SEGMENTATION BY NONCONVEX NONSMOOTH MODELS WITH CONVERGENT ALTERNATING MINIMIZATION ALGORITHMS显示文摘Two-phase image segmentation is a fundamental task to partition an image into foreground and background.In this paper,two types of nonconvex and nonsmooth regularization models are proposed for basic two-phase segmentation.They extend the convex regularization on the characteristic function on the image domain to the nonconvex case,which are able to better obtain piecewise constant regions with neat boundaries.By analyzing the proposed non-Lipschitz model,we combine the proximal alternating minimization framework with support shrinkage and linearization strategies to design our algorithm.This leads to two alternating strongly convex subproblems which can be easily solved.Similarly,we present an algorithm without support shrinkage operation for the nonconvex Lipschitz case.Using the Kurdyka-Lojasiewicz property of the objective function,we prove that the limit point of the generated sequence is a critical point of the original nonconvex nonsmooth problem.Numerical experiments and comparisons illustrate the effectiveness of our method in two-phase image segmentation. | Weina Wang Nannan Tian Chunlin Wu | 2023 | Journal of Computational Mathematics2023，41，4： | 0 |
| 16 | Charge Carrier Dynamics in PDPP-F/PCBM Heterojunction Solar Cells显示文摘The morphology dependent of migration and recombination kinetics of charge carriers in the polymersolar cell based on poly {2,7′-9,9-dioctyfiuorene-alt-5-diethylhexyl-3,6-bis(5-bromothiophen-2-yl)pyrrolo[3,4-c]-pyrrole-1,4-dione}(PDPP-F) was investigated with photo-induced charge carrier extraction by linearly increasingvoltage technique. The recombination coefficient of charge carriers decreased and the mobility of charge carriersincreased, after the mass ratio of [6,6]-phenyl-C61-butyric acid methyl ester(PCBM) increased from 3:2 to 2:1.Meanwhile, both of them were sensitive to the applied electric field and could be together responsible for theimprovement of voltage performance of polymer solar cell. | ZHANG Peng TAN Mingrui SUI Ning WANG Yinghui TIAN Chunlin ZHANG Hanzhuang | 2016 | Chemical Research in Chinese Universities2016，32，6： | 0 |
| 17 | miRNA sequencing analysis of healthy and atretic follicles of chickens revealed that miR-30a-5p inhibits granulosa cell death via targeting Beclin1显示文摘Background:The egg production performance of chickens is affected by many factors,including genetics,nutrition and environmental conditions.These factors all play a role in egg production by affecting the development of follicles.MicroRNAs(miRNAs)are important non-coding RNAs that regulate biological processes by targeting genes or other non-coding RNAs after transcription.In the animal reproduction process,miRNA is known to affect the development and atresia of follicles by regulating apoptosis and autophagy of granulosa cells(GCs).Results:In this study,we identified potential miRNAs in the atretic follicles of broody chickens and unatretic follicles of healthy chickens.We identified gga-miR-30a-5p in 50 differentially expressed miRNAs and found that gga-miR-30a-5p played a regulatory role in the development of chicken follicles.The function of miR-30a-5p was explored through the transfection test of miR-30a-5p inhibitor and miR-30a-5p mimics.In the study,we used qPCR,western blot and flow cytometry to detect granulosa cell apoptosis,autophagy and steroid hormone synthesis.Confocal microscopy and transmission electron microscopy are used for the observation of autophagolysosomes.The levels of estradiol(E2),progesterone(P4),malondialdehyde(MDA)and superoxide dismutase(SOD)were detected by ELISA.The results showed that miR-30a-5p showed a negative effect on autophagy and apoptosis of granulosa cells,and also contributed in steroid hormones and reactive oxygen species(ROS)production.In addition,the results obtained from the biosynthesis and dual luciferase experiments showed that Beclin1 was the target gene of miR-30a-5p.The rescue experiment conducted further confirmed that Beclin1 belongs to the miR-30a-5p regulatory pathway.Conclusions:In summary,after deep miRNA sequencing on healthy and atretic follicles,the results indicated that miR-30a-5p inhibits granulosa cell death by inhibiting Beclin1. | Haorong He Dongmei Li Yongtong Tian Qinyao Wei Felix Kwame Amevor Congjiao Sun Chunlin Yu Chaowu Yang Huarui Du Xiaosong Jiang Menggen Ma Can Cui Zhichao Zhang Kai Tian Yao Zhang Qing Zhu Huadong Yin | 2022 | Journal of Animal Science and Biotechnology2022，13，5： | 0 |
| 18 | Community structure of mesopelagic fauna and the length-weight relationships of three common fishes in the Cosmonaut Sea,Southern Ocean显示文摘This study used specimens of marine organisms caught by rectangular midwater trawl in the Cosmonaut Sea,Southern Ocean,in austral summer 2019/2020,to determine species composition and spatial distributions of mesopelagic fauna in this sea.The data were also used to calculate the length-weight relationships of three common fishes captured during the survey(Electrona antarctica,Bathylagus antarcticus,and Cyclothone microdon).A total of 385 individual organisms with a total weight of 15462.2 g and representing 17 species were collected across the 11 stations visited.The small-sized crown jellyfish Atolla wyvillei(order Coronatae)was the most-dominant species by number(96 individuals),and the zooplankton Cyllopus lucasii(Amphipoda)also showed high abundance(54 individuals).Among fishes,81 individuals of Notolepis coatsorum(Paralepididae)were caught,followed by 71 individuals of E.antarctica(Myctophidae),25 individuals of B.antarcticus(Bathylagidae),and 16 individuals of C.microdon(Gonostomatidae).Clustering analysis divided the mesopelagic community into“west”and“east”groups,and a greater number of individuals were collected in the western part of the sea.The length-weight relationships of the three common fishes revealed positive allometric growth for B.antarcticus(b=3.16),and negative allometric growth for E.antarctica and C.microdon(both b=2.53).Our descriptions of the mesopelagic-zone community structure and biological features of three common fishes provide basic information on the ecology of the Cosmonaut Sea,Southern Ocean,and will be useful for ecosystem-based fisheries management in this region. | WANG Yehui LIU Chunlin DUAN Mi ZHANG Chi YE Zhenjiang LIU Yang TIAN Yongjun HE Jianfeng | 2022 | Advances in Polar Science2022，33，2： | 0 |
| 19 | Waist circumference cutoff points for Chinese adults with metabolic syndrome defined by the International Diabetes Federation显示文摘Objective To investigate the appropriate waist circumference (WC) cutoff points for central obesity in the middle-aged and elderly Beijing residents by the metabolic syndrome definition of the International Diabetes Federation (IDF). Methods A total of 2,344 Beijing residents aged ≥40 years were investigated. They answered questionnaires, received physical examinations, and underwent plasma glucose and lipid profile measurement. Those non-diabetic subjects underwent a 75g oral glucose tolerance test. All data were analyzed to calculate the appropriate WC cutoff points for central obesity reaching the diagonsis of MS. Results 1) Both in males and females, the triglyceride (TG), systolic blood pressure, diastolic blood pressure and fasting plasma glucose (FPG) increased linearly with WC, and the high density lipoprotein cholesterol (HDL-C) decreased linearly with WC (P<0.05). 2)The prevalence of elevated TG, reduced HDL-C, elevated blood pressure, elevated FBG, or ≥ 2 of these factors increased with WC (P<0.05). 3) Based on the receiver operating characteristic (ROC) curve analysis and Youden index, the WC values for central obesity and for detecting BMI ≥ 25 kg/m2 were about 90 cm for men and 80 cm for women. 4) The odds ratio for the presence of two or more metabolic risk factors increased abruptly in men with WC ≥ 90 cm and in women with WC ≥ 80 cm. Conclusions The appropriate WC cutoff point for central obesity was determined to be 90 cm for men and 80 cm for women in the middle-aged and elderly Beijing residents by the metabolic syndrome definition of IDF. | Yanhui LU Juming LU Shuyu WANG Chunlin LI Lisheng LIU Runping ZHENG Hui TIAN Xianling WANG Lijuan YANG Yuqing ZHANG Changyu PAN | 2007 | Journal of Geriatric Cardiology2007，4，1： | 0 |
| 20 | APPLICATION OF ELECTRICAL IMPEDANCE MYOGRAPHY IN CHARACTERIZING CARPAL TUNNEL SYNDROME显示文摘Background:Electrical impedance myography(EIM)is a non-invasive,painless,and easy-to-perform technique for assessing neuromuscular disorders.We evaluated the potential of EIM for quantitatively characterizing carpal tunnel syndrome(CTS).Methods:Healthy subjects and patients with differing severity of CTS underwent EIM measurement of their small hand muscles.A bioelectrical impedance vector analysis(BIVA)method was first applied to display 50-kHz EIM data in a single plot.Results:Patients with more severe CTS had smaller EIM values in the affected muscle.The reactance and phase parameters differed significantly between any two groups(P<0.05).Their accuracy for differentiating between any two adjacent groups was approximately 80%and for other groups was approximately 90%.There was a strong association between EIM and electrophysiology results.Conclusion:BIVA is convenient and helpful for indicating the differences between healthy subjects and CTS patients.These results demonstrate EIM’s potential for quantitatively characterizing patients with CTS. | Chen Lingfen Li Zhao Zhu Yu Yang Ling Hu Shiming Chai Chunlin Tan Manqing Yu Yude Tian Dong | 2019 | 现代电生理学杂志2019，26，B03： | 0 |
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