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Research on The Network Cloud Teaching Mode of PBL Project Teaching Method
Lei Zhang,Zheng Ren,Xianming Shi,Qingqi Zeng 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.10
This paper designed the learning resource storage model mainly based on Hadoop platform, and the system structure was optimized on the basis of the original system against the problems of inefficient storage of massive small files, high memory overhead on the Hadoop platform. The PBL teaching resources are classified to improve the utilization ratio of resources and access efficiency of resources according to the file size and file correlation. When processing the small files, small files are merged according to the knowledge point, and then storage processing is conducted with the method of handling large files, giving full play to the advantages of processing files in the Hadoop. Simulation experiment is conducted in the laboratory environment, to compare the integrated storage space with the time required for resources storage. The result is that the model can reduce the storage space of the file, and improve the integrated storage efficiency on the basis of not affecting file storage.
Ancient Chinese Fangzhongshu (Sexual Skills and Methods) Therapy for Premature Ejaculation
Yong Zhu,Qiang Chen,Yuexing Gu,Jin Yue,Qingqi Zeng 대한남성과학회 2016 The World Journal of Men's Health Vol.34 No.3
Premature ejaculation (PE) is a common male sexual dysfunction that can have significant effects on a couple’s relationship. Behavioral therapy and psychotherapy are both safe and effective methods of treating PE. Ancient Chinese fangzhongshu (sexual skills and methods), which reflects a summary of expert experiences in sexology, contains many therapies for sexual dysfunction that are similar to those used in behavioral therapy or psychotherapy. A brief introduction dealing with the latest definitions of PE and treatment strategies drawn from behavioral therapy and psychotherapy is provided. Typical therapies for PE from ancient Chinese fangzhongshu are listed and briefly analyzed in order to define their domain of applicability and instructions for use. Ancient Chinese fangzhongshu contains many effective and safe therapies for PE. It should be incorporated into modern medical practice after critical analysis, and its scientific aspects should be promoted as a way of improving reproductive health, both to benefit individuals affected by PE and to promote traditional Chinese culture. Based on an analysis of the condition of the individual patient, one or multiple therapies guided by fangzhongshu can be expected to have an effect on the patient. Ancient Chinese fangzhongshu is of great value and should to be popularized and applied as a remedy for PE.
Establishment of hybridization breeding of Ganoderma lucidum by protoplast monokaryogenesis method
Wu Jiaojiao,Fu Lizhong,Wu Xueqian,Xu Xiuhong,Li Haibo,Wu Qingqi,Wei Hailong,Cheng Junwen 한국버섯학회 2010 한국버섯학회지 Vol.8 No.4
Four Ganoderma lucidum strains, Chizhi 05, Jingda, Huizhou and Xinzhou, were screened out as hybrid parent in order to establish G. lucidum cross breeding system that based on protoplast monokaryogenesis method. Monokaryotic strains of each parental strains were obtained and mating type of each monokaryotic strains were determined. One to three monokaryotic strains that have different mating types were mated, and hybrids were identified by clamp connection observation and antagonist response. The results showed that the number of monokaryon came from Chizhi 05, Jingda, Huizhou and Xinzhou was 9, 14, 40 and 38, respectively. Only one mating type was obtained from Jingda, and two mating types were obtained from the other three strains, Chizhi 05, Huizhou and Xinzhou, respectively. Chi-square test showed that the ratio of two mating types of the three strains was 1:1. Fourteen monokaryotic strains of different mating types from 4 parental strains were select as a cross- breeding materia, and 17 hybrids were obtained, which were identified by clamp connection observation and antagonist response. This study proclaimed that the practicality of the hybridization breeding of G. lucidum by protoplast monokaryogenesis method.
Analysis of genetic diversity of Ganoderma strains based on rDNA ITS sequencing
Fu Lizhong,Zhang Hongyu,Wu Xueqian,Li Haibo,Wei Hailong,Wu Qingqi,Wang Li’an 한국버섯학회 2010 한국버섯학회지 Vol.8 No.4
The genetic diversity of 16 Ganoderma strains was investigated by rDNA-ITS sequencing. Alignment analysis showed that whole length of internal transcribed spacer(ITS1+ITS2) was 500bp and with 139 variation sites (accounting for 23.3%, ITS1 was 66 and ITS2 was 73), 337 conserved sites (accounting for 72.2%), 59 informative sites (accounting for 9.88%), 86 conversion sites (G-A, C-T), 13 transversion site(C-G, T-A). The ratio of transition and transversion in ITS1 was higher than that in ITS2, and the variable sites of ITS2 were more than those of ITS1. The genetic distance among 16 Ganoderma strains is from 0 to 0.121. The genetic distance between G. lipsiense and F-1 was 0, and the genetic distance between Heizhi 02 and Huizhou, Jingda, G. capense was 0.121, 0.117 and 0.120, respectively. The 16 Ganoderma strains were classed into 4 groups. The biggest group is comprised of 12 strains, including Xinzhou, Huizhou, Jingda, 902, F-1, Xianzhi, Meiluo, Taishan, G. applanatum, 05, G. luteomarginatum. The G. atrum and G. sinense were clustered into one group. The G. capense and Zhongzhi was independent group, respectively. These results showed that there were some genetic difference among groups, and there was lower genetic diversity among strains in same groups.
The Research and Application of Reservoir Identification Model Based on Smap-ED
Huoyou Li,Jia Zhao,Dongyun Lin,Jingsong Su,Qingqiang Wu,Qingqi Hong 보안공학연구지원센터 2015 International Journal of Multimedia and Ubiquitous Vol.10 No.12
In order to provide a scientific decisions for prospect new oil formation and reduce production costs, this paper proposed reservoir identification model based on Smap-ED. Using the actual seismic attribute data as the research object, the principles are analyzed to explore the reservoir recognition model , Through the experimental analysis of model of effectiveness evaluation indexes , the five models of applicability and effectiveness was comparative study from the relative index, external index and running time. The experimental results show model based on Smap-ED of seismic attribute data clustering effect is better than model based on S-Map and the running time of algorithm close to model based on SOM, this model can provide more effective support for scientific decision-making.
Jie Fan,Tong-da Lei,Meng-Yan Yu,Yong-Heng Wang,Fu-Yuan Cao,Qingqi Yang,Faming Tian,Yong Liu 한국섬유공학회 2020 Fibers and polymers Vol.21 No.2
Keratin, as a promising substitute for tissue engineering due to its excellent biocompatibility and bioactivity, is used to combine one or more other polymers together. However, compound nanofibers with high keratin content (normally>90 wt.%) may result in the poor elongation of nanofiber membranes such as wound dressing. In this work, different ratios of hydroxyapatites (HA) modified by sodium hexametaphosphate were blended with keratin/polyethylene oxide (PEO) spinning solution to produce reinforced keratin blend nanofiber nonwoven membranes as a potential candidate wound dressing. The tensile strength of keratin blend nanofiber membrane with 15 % modified HA addition was two times higher than that without HA. The morphologies and chemical structure of keratin/PEO/HA nanofiber membranes were investigated using SEM, FTIR, and TG. The biocompatibility and the burn repairing performance of keratin/PEO/HA nanofiber mat were also investigated by cell culture and animal burn model. The results showed that the Keratin/PEO/HA nanofiber membranewas beneficial to enhance the proliferation of L929 cell, exhibiting an advantages in reducing inflammatory response in the infective stage and enhancing skin repairing process in the following recover stages. Our data suggested that keratin/PEO/HA nanofiber membrane could serve as a promising burn dressing for treatment of the skin burn.