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文章介绍了现有的交换机网络管理技术和交换机集群技术的优点及其关键内容,并针对当前交换机网络管理的要求,提出了一种易于实现、配置简单方便,能够很好地帮助网络管理员实时监控集群网络中各设备的自陷（trap）信息的方法,并详细介绍了在交换机集群网络中如何收集和处理成员交换机上报的trap信息。

Copyright of Journal of Chinese Institute of Food Science & Technology is the property of Journal of Chinese Institute of Food Science & Technology Periodical Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Shandong Medical Journal is the property of Shandong Medical Health Newspapers and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Chinese Institute of Food Science & Technology is the property of Journal of Chinese Institute of Food Science & Technology Periodical Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

HepatoceIIuIar carcinoma (HCC) is the major histoIogicaI type of primary Iiver cancer (PLC), and the etioIogy is reIative cIear. Chronic infection of hepatitis B virus (HBV) pIays dominant roIes, and high exposure to afIatoxins is an important co-factor. Qidong was one of the endemic area with high PLC incidence in ruraI China. The resuIts from a series of etioIogicaI intervention studies on PLC in this area indicated that 1) the protective efficacy of neonataI HBV vaccination against PLC deveIopment under the age of 30 was 84% (95% CI 23%-97%); 2) the reIative risk of Iiver cancer incidence decreased at Ieast 4 foIds in young aduIts aged <35 years with reducing afIatoxin exposures and cIeaning drinking water. The prevention of HBV infection and the suppIies of cIean water and safe food with Iimited afIatoxins demonstrated as an effective primary prevention modeI of Iiver cancer in ruraI China. [ABSTRACT FROM AUTHOR]

Objectives To investigate the CT findings with clinical and pathologic characteristics of acute pulmonary inflammatory pseudotumor.Methods Combining the clinical manifestations and pathological characteristics，the CT images of 60 patients with acute pulmonary inflammatory pseudotumor which were collected from July 2012 to July 2015 were analyzed retrospectively with emphasis on the location，size，shape，density，enhancement and relationship with surrounding structures. Results Among the 60 patients with a predominantly male subjects，the most common clinical symptoms were cough[80.0% （48/60）]，followed by sputum[68.3%（41/60）]，bloody sputum[45.0%（27/60）] cases，and 5 cases（8.3%）with leukocytosis.Distributions of lesions in each lobe were similar，a majority of lesions [96.7%（58/60）] were located in the subpleural region，and showed a wide base，of which 33 cases（55.0%）and 25 cases（41.7%）showed significant and mild adjacent pleural thickening respectively.Shape of lesion mainly was patchy [81.7%（49/60）]，followed by the nodular [11.7%（7/60）].The mean size of lesions was（3.3±1.2）cm，with ill⁃defined margin and unclear peripheral lung fields，patchy and fibrosis was the most common sign [90.0%（54/60）].On enhanced images，most lesions had obvious enhancement with mean enhancement value of（51±15）HU，foci necrosis with clear boundary was seen in 36 cases（60.0%），of which 16 cases（44.4%）had pneumatosis.Enlarged lymph nodes in hilum and mediastinum were not commonly detected.Conclusion The CT features of acute pulmonary inflammatory pseudotumor can reflect its histological characteristics well.A combination of CT findings with clinical information can provide correct diagnosis preoperatively. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To investigate the HBsAg seroprevalence in the young generation in Qidong of Jiangsu Province, China. Methods A total of 15 534 students for college entrance examination from 2006 to 2014 were randomly selected from three secondary schools in Qidong as student group. Some of them had hepatitis B vaccination at birth. A total of 1208 adults who had their routine checkups in our hospital from 2007 to 2013 were selected as adult group. It was confirmed that all of them did not have hepatitis B vaccination at birth. Serum HBsAg levels of the two groups were measured using enzyme-linked immunosorbent assay and the seroprevalence was analyzed. Comparison of data between the two groups was made by chi-square test. Results In the 9 years from 2007 to 2013, the seroprevalence rates of HBsAg in the student group were 4.2%(75/1794), 4.3%(77/1797), 4.4%(82/1858), 4.3%(82/1903), 3.4%(56/1627), 2.6%(46/1768), 1.6%(29/1778), 1.6%(27/1642), and 1.8%(24/1367), respectively. The mean HBsAg seroprevalence of the student group was 3.2%(498/15534), significantly lower compared with 7.1% (86/1208) of the adult group (χ2= 59.986, P＜0.001). In both of the student group and the adult group, the males had a significantly higher HBsAg seroprevalence than the females (χ2=10.521, P=0.001; χ2=8.452, P=0.004) and the values were 3.7%(266/7236) vs 2.8%(229/8298) and 8.8%(66/750) vs 4.4%(20/458), respectively. Among male subjects, the HBsAg seroprevalence of the adult group was 2.4 times that of the student group; among female subjects, the HBsAg seroprevalence of the adult group was 1.6 times that of the student group. Conclusion In the recent 9 years from 2006 to 2014, the HBsAg seroprevalence in students for college entrance examination declined continuously. The goal set by the World Health Organization Western Pacific Region in 2010 had been achieved ahead of the schedule that the HBsAg seroprevalence should be controlled below 2% in children aged less than 5. [ABSTRACT FROM AUTHOR]