|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Estimating the Age of Oil-tea Camellia Trees显示文摘To determine the age of oil-tea camellia trees,regression equations including Logistic,Mitscherlich,Gompertz,Korf,and Richards were used to calculate accumulative growth rate using basal trunk disc and investigate the relations between the age of oil-tea camellia trees and their growth rate of secondary trunk.The Gompertz equation Y = 71. 296 1 exp(-3. 874 4 exp(-0. 006 4 t)) was the most optimal equation to simulate the accumulative growth rate of basal trunk disc.This equation could be used to estimate the age of oil-tea camellia trees that grow under similar environmental conditions. The Korf equation Y = 576. 900 1 exp(-4. 153 0 x^(-0. 314 2)) was the best equation to describe the relation between the age and growth rate of different secondary trunks. With the adjustment coefficient and average growth of different secondary trunk discs,it is possible to predict the age of ancient oil-tea camellia trees that grow under similar environmental conditions. In addition,taking three or more discs from the same diameter group and calculating their average growth rate could lead to more accurate results. For trees that grow in different areas,environmental conditions should be carefully considered when using the above two equations to predict the age of ancient oil-tea camellia trees. | Yanming XU Yongzhong CHEN Longsheng CHEN Zhen ZHANG Jian LUO Xiangnan WANG Shaofeng PENG | 2018 | Agricultural Biotechnology2018，7，4： | 2 |
| 2 | Crystal-KMC: Parallel Software for Lattice Dynamics Monte Carlo Simulation of Metal Materials显示文摘Kinetic Monte Carlo(KMC) is a widely used method for studying the evolution of materials at the microcosmic level. At present, while there are many simulation software programs based on this algorithm, most focus on the verification of a certain phenomenon and have no analog-scale requirement, so many are serial in nature. The dynamic Monte Carlo algorithm is implemented using a parallel framework called SPPARKS, but it does not support the Embedded Atom Method(EAM) potential, which is commonly used in the dynamic simulation of metal materials. Metal material — the preferred material for most containers and components — plays an important role in many fields, including construction engineering and transportation. In this paper, we propose and describe the development of a parallel software program called Crystal-KMC, which is specifically used to simulate the lattice dynamics of metallic materials. This software uses MPI to achieve a parallel multiprocessing mode, which avoid the limitations of serial software in the analog scale. Finally, we describe the use of the parallel-KMC simulation software Crystal-KMC in simulating the diffusion of vacancies in iron, and analyze the experimental results. In addition, we tested the performance of Crystal-KMC in 'meta-Era' supercomputing clusters, and the results show the Crystal-KMC parallel software to have good parallel speedup and scalability. | Jianjiang Li Peng Wei Shaofeng Yang Jie Wu Peng Liu Xinfu He | 2018 | Tsinghua Science and Technology2018，23，4： | 2 |
| 3 | PTMD: A Database of Human Disease-associated Post-translational Modifications显示文摘Various posttranslational modifications(PTMs) participate in nearly all aspects of biological processes by regulating protein functions, and aberrant states of PTMs are frequently implicated in human diseases. Therefore, an integral resource of PTM–disease associations(PDAs)would be a great help for both academic research and clinical use. In this work, we reported PTMD,a well-curated database containing PTMs that are associated with human diseases. We manually collected 1950 known PDAs in 749 proteins for 23 types of PTMs and 275 types of diseases from the literature. Database analyses show that phosphorylation has the largest number of disease associations, whereas neurologic diseases have the largest number of PTM associations. We classified all known PDAs into six classes according to the PTM status in diseases and demonstrated that the upregulation and presence of PTM events account for a predominant proportion of diseaseassociated PTM events. By reconstructing a disease–gene network, we observed that breast cancershave the largest number of associated PTMs and AKT1 has the largest number of PTMs connected to diseases. Finally, the PTMD database was developed with detailed annotations and can be a useful resource for further analyzing the relations between PTMs and human diseases. PTMD is freely accessible at http://gffzz7d3e84778ac14081hfoxx5995kxpp66vx.ffgz.tsg.suse.edu.cn. | Haodong Xu Yongbo Wang Shaofeng Lin Wankun Deng Di Peng Qinghua Cui Yu Xue | 2018 | Genomics, Proteomics & Bioinformatics2018，16，4： | 2 |
| 4 | Sequential Intermolecular Aminopalladation/Ortho-Are-ne CH Activation Reactions of N-Phenylpropiolamides with Phthalimide显示文摘 | TANG Shi PENG Peng PI Shaofeng | 2008 | Organic Letters2008，10，6： | 1 |
| 5 | WocEA:The visualization of functional enrichment results in word clouds显示文摘The integration,analysis and visualization of the big omics data are critical for addressing a broad spectrum of biological questions.One of the most frequently conducted procedures is enrichment analysis,which statistically tests whether individual functional annotations of Gene Ontology (GO)or Kyoto Encyclopedia of | Wanshan Ning Shaofeng Lin Jiaqi Zhou Yaping Guo Ying Zhang Di Peng Wankun Deng Yu Xue | 2018 | Journal of Genetics and Genomics2018，45，7： | 1 |
| 6 | Effects of Different Picking Time and Different Geographical Provenances on Oil Content of Camellia oleifera显示文摘This paper studied effects of different picking time and different geographical provenances on oil content of Camellia oleifera. The results showed that different picking time had significant effects on the oil content of cold dew seeds and frost's descent seeds. With the delay of picking time,the oil content of cold dew seeds,frost's descent seeds,dry seeds and oil content of seed kernels were significantly increased.There was a significantly positive correlation between the oil content of fresh fruit of cold dew seeds and frost's descent seeds and the dry seed yield of fresh seeds and the oil content of fresh fruit( P < 0. 05),and the correlation coefficient was greater than 0. 85. Besides,the oil content of seed kernels of cold dew seeds was closely correlated with the seed yield of fresh seeds,oil content of fresh fruit,and oil content of fresh seeds. In the process of C. oleifera breeding,the thin coat,high seed yield and high oil content can be taken as the key research directions for future breeding. The oil content of ordinary C. oleifera seeds in 18 counties( cities) was 36. 42%-63. 33%,indicating that there were significant differences in the oil content of C. oleifera in different geographical provenances. In conclusion,according to the study of different picking time,the recommended picking time of cold dew seeds in Hunan area is around October 10,while the best picking time of frost's descent seeds is about October 30. The oil content of C. oleifera fruit in different geographical provenances is quite different. During the development of C. oleifera fruit,the cultivation and management of C. oleifera should be strengthened to increase the oil content of C. oleifera. | Xiaoqin MO Zhen ZHANG Yongzhong CHEN Yanming XU Yinghe PENG Longsheng CHEN Li MA Rui WANG Shaofeng PENG Zhigang LI Xiangnan WANG Meiqun LI Wei TANG | 2018 | Asian Agricultural Research2018，10，10： | 1 |
| 7 | Construction of Rooting System during Camellia oleifera Tissue Culture显示文摘An rooting experiment of tissue culture plantlets was carried out with sterile plantlets obtained from the stem segments of a good clone of Camellia oleifera as materials. The results showed that basic medium and illumination condition are factors crucial to rooting of C. oleifera. With 1/4 MS as basic medium,the treatment with the addition of 0. 5 mg/L NAA and soaking in 2 000 mg/L KIBA,containing 30 mg/L sucrose and subjected to dark culture of 20 d was the optimal treatment,achieving a rooting rate of 86. 7%. | Rui WANG Xiaoqin MO Longsheng CHEN Wei TANG Yanming XU Xiangnan WANG Zhigang LI Shaofeng PENG Yongzhong CHEN | 2017 | Agricultural Biotechnology2017，6，6： | 0 |
| 8 | Electromagnetic Performance Prediction for the Symmetrical Dual Three-phase Surface-mounted PMSM under Open-phase Faults Based on Accurate Subdomain Model显示文摘The paper presents an accurate analytical subdomain model for predicting the electromagnetic performance in the symmetrical dual three-phase surface-mounted permanent magnet synchronous machine(PMSM)under open-phase faulty conditions.The model derivations are extended from previous accurate subdomain models accounting for slotting effects.Compared with most conventional subdomain models for traditional three-phase machines with nonoverlapping winding arrangement,the subdomain model proposed in this paper applied for the 24-slot/4-pole dual three-phase machine with symmetrical overlapping winding arrangement.In order to investigate the postfault electromagnetic performance,the reconfigured phase currents and then current density distribution in stator slots under different open-circuit conditions are discussed.According to the developed model and postfault current density distribution,the steady-state electromagnetic performance,such as the electromagnetic torque and unbalanced magnetic force,under open-circuit faulty conditions are obtained.For validation purposes,finite element analysis(FEA)is employed to validate the analytical results.The result indicate that the postfault electromagnet performance can be accurately predicted by the proposed subdomain model,which is in good agreement with FEA results. | Zhe Liang Deliang Liang Peng Kou Shaofeng Jia | 2022 | CES Transactions on Electrical Machines and Systems2022，6，4： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员