|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Pan-cancer analysis of somatic mutations across 21 neuroendocrine tumor types显示文摘 | Yanan Cao Weiwei Zhou Lin Li Jiaqian Wang Zhibo Gao Yiran Jiang Xiuli Jiang Aijing Shan Matthew H. Bailey Kuan-lin Huang Sam Q. Sun Michael D. McLellan Beifang Niu Weiqing Wang Li Ding Guang Ning | 2018 | Cell Research2018,28,5: | 3 |
| 2 | Rumination recognition method of dairy cows based on the change of noseband pressure显示文摘Rumination is closely related to ruminant’s health and welfare,so it is very important to monitor rumination.Rumination monitoring equipment based on chewing and swallowing audio is easy to be affected by ambient noise,equipment based on acceleration sensor is not easy to monitor number of cuds and other information,equipment based on video monitoring has high cost and is easy to be affected by weather and other cows,while equipment based on chewing pressure can accurately record the chewing pressure of dairy cows,and use related processing technology to obtain the number of cuds and other information.In the related research,the peak value and interval of masticatory pressure peak in time domain were used to identify rumination.In view of the problem that the standard of pressure peak was not well defined due to the different head size and masticatory strength of different age and different breed cows,this paper proposed a method to identify the number of rumination,duration of rumination and number of cuds of cows by using standard deviation and noseband pressure signal frequency spectrum.The accurate and stable frequency spectrum range of rumination noseband pressure signal was obtained by frequency spectrum analysis,and the interference of feeding noseband pressure signal to rumination noseband pressure signal was eliminated by using standard deviation.Compared with the direct observation,the results showed that the recognition accuracy of the method proposed in this paper were 100%,94.2%and 94.45%for the number of rumination,duration of rumination and number of cuds respectively,and the average absolute errors were 0,2.0029%and 2.5623%respectively,which showed that the method can accurately identify the rumination information of dairy cows. | Weizheng Shen Aijing Zhang Yu Zhang Xiaoli Wei Jian Sun | 2020 | Information Processing in Agriculture2020,7,4: | 3 |
| 3 | Security performance analysis and the parameters simulation of quantum virtual private network based on IPSec protocol显示文摘Traditional virtual private networks( VPNs) are conditional security. In order to ensure the security and confidentiality of user data transmission,a model of quantum VPN based on Internet protocol security( IPSec)protocol is proposed. By using quantum keys for key distribution and entangled particles for identity authentication in the network,a secure quantum VPN is relized. The important parameters affecting the performance of the VPN was analyzed. The quantitative relationship between the security key generation rate,the quantum bit error rate( QBER) and the transmission distance was obtained. The factors that affect the system throughput were also analyzed and simulated. Finally,the influence of the quantum noise channel on the entanglement swapping was analyzed. Theoretical analysis and simulation results show that,under a limited number of decoy states,with the transmission distance increased from 0 to 112. 5 km,the secure key generation rate was reduced from 5. 63 × 10^(-3) to 1. 22 × 10^(-5). When the number of decoy states is fixed,the QBER increases dramatically with the increase of the transmission distance,and the maximum reaches 0. 393. Analysis shows that various factors in communication have a significant impact on system throughput. The generation rate of the effective entanglement photon pairs have decisive effect on the system throughput. Therefore,in the process of quantum VPN communication,various parameters of the system should be properly adjusted to communicate within a safe transmission distance,which can effectively improve the reliability of the quantum communication system. | Nie Min Tao Jin Yang Guang Sun Aijing Pei Changxing | 2018 | The Journal of China Universities of Posts and Telecommunications2018,25,5: | 1 |
| 4 | Heparin inhibits the production of matrix metalloproteinase-2 and improves atheroselerosis in LDL receptor-deficient mice显示文摘 | HANGYUAN GUO FUKANG XU AIJING SUN | 2010 | Coron Artery Dis2010,21,1: | 1 |
| 5 | An exceptionally well-preserved herbaceous eudicot from the Early Cretaceous(late Aptian–early Albian)of Northwest China显示文摘A fossil eudicot, Gansufructus saligna gen. et sp. nov., is reported from the Early Cretaceous(late Aptian–early Albian) of the Gansu Province, Northwest China, based on numerous well-preserved axes with attached leaves and infructescences. The leaves are alternate, short petiolate and linear-lanceolate with low rank pinnate to reticulate venation. The infructescences are loose panicles bearing fruits in different stages of maturity, each containing four partly free carpels borne in a whorled arrangement. Each carpel has three to five seeds borne along its ventral margin. The nature of the leaves and axes indicates a terrestrial,herbaceous habit. In general organization, Gansufructus is closely similar to the fruit-bearing axes of Sinocarpus decussatus from the Early Cretaceous Jehol Biota, as well as other more or less contemporaneous angiosperms from the Far East, which together provide evidence of diverse eudicot angiosperms of low stature colonizing areas close to environments of deposition. | Baoxia Du B Mingzhen Zhang Bainian Sun Aijing Li Jing Zhang Defei Yan Sanping Xie Jingyu Wu | 2021 | National Science Review2021,8,12: | 1 |
| 6 | Parameters and performance analysis of quantum wireless sensor network for monitoring the activities of tibetan antelope in Hoh Xil显示文摘Hoh Xil is the national nature reserve in China, and Tibetan antelope is a research hotspot of wildlife protection in this area. In order to track the population and activity of Tibetan antelope in Hoh Xil, a quantum wireless sensor monitoring network(QWSMN) based on the quantum satellite wide-area communication networks was proposed. This network consists of quantum wireless sensors installed on the Tibetan antelope, small quantum base stations, quantum satellite signal transmitting stations, quantum satellite and quantum satellite signal receiving stations. The simulation results show that under the interference of the sandstorm, a quantum satellite signal transmitting station can cover the monitoring area of 20 106 km^2, and the network throughput reaches 40 KB/s. This network can realize large-scale monitoring of Tibetan antelope in Hoh Xil and provide theoretical basis for the construction of global wildlife monitoring network. | Wei Rongyu Nie Min Yang Guang Zhang Meiling Sun Aijing Pei Changxing | 2019 | The Journal of China Universities of Posts and Telecommunications2019,26,6: | 0 |