[ Objective] The study aimed to explore the effects of magnetic treatment on the quality of chicken semen stored at low temperature. [ Method] 5 ml fresh chicken semen was divided into five groups equally, each of whi...[ Objective] The study aimed to explore the effects of magnetic treatment on the quality of chicken semen stored at low temperature. [ Method] 5 ml fresh chicken semen was divided into five groups equally, each of which was diluted at the volume ratio 1：4. With the group without magnetic treatment as the control, the other four groups were magnetized for 6, 12, 24 and 48 min in the self-made magnetizer, respectively. Subsequently, all the five groups were stored at 2 -4 ℃, and the sperm motility, survival time, survival index and deformity rate were observed regularly. [ Result] Comparing with the control group, the magnetic groups showed higher sperm motilities and effective survival indices as well as lower deformity rates. The effective survival index of the group magnetized for 24 min was the highest and increased by 7.75% in con- trast to the control. [ Conclusion] Magnetic treatment can effectively enhance the quality of chicken semen stored at low temperature.展开更多
Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection ...Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection and remission rate compared to endoscopic mucosal resection(EMR).However,the learning process of this advanced endoscopic procedure requires a lengthy training period and considerable experience to be proficient.A well framed training protocol which is safe,effective,easily reproducible and cost-effective is desirable to teach ESD.In addition,the training course may need to be tailored around settings such as ethnicity,culture,workload,and disease incidence.In Asian countries with a large volume of early gastric lesions which need endoscopic treatment,endoscopists would be able to learn ESD expanding their skills from EMR to ESD under the supervision of experts.Whereas,in Western countries due to the low incidence of superficial gastric tumors,trials have utilized simulator models to improve learning.In Korea,the Korean Society of Gastrointestinal Endoscopy(KSGE) is playing an important role in training many gastroenterologists who have shown an interest in performing ESD by providing an annual live demonstration and a nationwide tutoring program.The purpose of this article is to introduce our ESD tutoring experience,review the published papers related to this topic,and propose several suggestions for future directions in teaching and learning ESD.展开更多
The present study investigated the effect of working capital management component on corporate profitability. A sample of 106 firms listed on Borsa Istanbul Stock Exchange （BIST） for the period of 2003-2013 was used...The present study investigated the effect of working capital management component on corporate profitability. A sample of 106 firms listed on Borsa Istanbul Stock Exchange （BIST） for the period of 2003-2013 was used. The secondary data for analysis were taken from Bloomberg＇s Database. The present study aims to explore the effect of working capital management components on corporate profitability. We observed that there was a negative correlation between gross operating profit and accounts receivables （A/R）. We also found that there was a positive correlation between gross operating profit and number of days inventory. But they did not affect the profitability of firms in the study at a significant level.展开更多
This issue presents a symposium held in Messina talking about inflammatory bowel disease(IBD) and associated spondyloarthropathies.The topic covers epidemiology and clinical manifestations of IBD-related arthropathies...This issue presents a symposium held in Messina talking about inflammatory bowel disease(IBD) and associated spondyloarthropathies.The topic covers epidemiology and clinical manifestations of IBD-related arthropathies, common genetic and immunologic features, combined therapies for gut and joint inflammation, and future biologic therapies etc.I believe this series of articles will deeply facilitate understanding of and the approach to IBD and associated arthropathies.展开更多
文摘[ Objective] The study aimed to explore the effects of magnetic treatment on the quality of chicken semen stored at low temperature. [ Method] 5 ml fresh chicken semen was divided into five groups equally, each of which was diluted at the volume ratio 1：4. With the group without magnetic treatment as the control, the other four groups were magnetized for 6, 12, 24 and 48 min in the self-made magnetizer, respectively. Subsequently, all the five groups were stored at 2 -4 ℃, and the sperm motility, survival time, survival index and deformity rate were observed regularly. [ Result] Comparing with the control group, the magnetic groups showed higher sperm motilities and effective survival indices as well as lower deformity rates. The effective survival index of the group magnetized for 24 min was the highest and increased by 7.75% in con- trast to the control. [ Conclusion] Magnetic treatment can effectively enhance the quality of chicken semen stored at low temperature.
文摘Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection and remission rate compared to endoscopic mucosal resection(EMR).However,the learning process of this advanced endoscopic procedure requires a lengthy training period and considerable experience to be proficient.A well framed training protocol which is safe,effective,easily reproducible and cost-effective is desirable to teach ESD.In addition,the training course may need to be tailored around settings such as ethnicity,culture,workload,and disease incidence.In Asian countries with a large volume of early gastric lesions which need endoscopic treatment,endoscopists would be able to learn ESD expanding their skills from EMR to ESD under the supervision of experts.Whereas,in Western countries due to the low incidence of superficial gastric tumors,trials have utilized simulator models to improve learning.In Korea,the Korean Society of Gastrointestinal Endoscopy(KSGE) is playing an important role in training many gastroenterologists who have shown an interest in performing ESD by providing an annual live demonstration and a nationwide tutoring program.The purpose of this article is to introduce our ESD tutoring experience,review the published papers related to this topic,and propose several suggestions for future directions in teaching and learning ESD.
文摘The present study investigated the effect of working capital management component on corporate profitability. A sample of 106 firms listed on Borsa Istanbul Stock Exchange （BIST） for the period of 2003-2013 was used. The secondary data for analysis were taken from Bloomberg＇s Database. The present study aims to explore the effect of working capital management components on corporate profitability. We observed that there was a negative correlation between gross operating profit and accounts receivables （A/R）. We also found that there was a positive correlation between gross operating profit and number of days inventory. But they did not affect the profitability of firms in the study at a significant level.
文摘This issue presents a symposium held in Messina talking about inflammatory bowel disease(IBD) and associated spondyloarthropathies.The topic covers epidemiology and clinical manifestations of IBD-related arthropathies, common genetic and immunologic features, combined therapies for gut and joint inflammation, and future biologic therapies etc.I believe this series of articles will deeply facilitate understanding of and the approach to IBD and associated arthropathies.
