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Copyright of Industrial Water Treatment is the property of CNOOC Tianjin Chemical Research & Design Institute 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 Shipin Kexue/ Food Science is the property of Food Science Editorial Department 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 Industrial Water Treatment is the property of CNOOC Tianjin Chemical Research & Design Institute 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.)

在当前高速城市化的背景下，为及时了解嘉兴市的城市发展现状，使用遥感手段提取各时间段内城市的建设区域，并分析了扩张过程的时空特征，再结合社会经济数据探究了城市扩张的驱动力因素.结果表明：嘉兴市在1993〜2013年间城市扩张明显，扩张速度和强度先增后减，扩张方向由西北转向南，扩张模式经历了“主动型-被动型-稳定型”的转变过程，扩张合理性较差，城市扩张速率高于人口增长速率，扩张驱动因子主要为经济发展、产业结构调整和人口增长.

Copyright of Electric Power Automation Equipment / Dianli Zidonghua Shebei is the property of Electric Power Automation Equipment Press 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 Electric Power Automation Equipment / Dianli Zidonghua Shebei is the property of Electric Power Automation Equipment Press 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 explore the clinical features and treatment of imperforate hymen (IH) in children. Methods A retrospective analysis was performed for 24 children of imperforate hymen from February 2012 to October 2020. The medical history, physical signs, auxiliary examination results, surgical methods, intra operative conditions, and postoperative follow-up conditions were evaluated. Results There were 7 children (29%) diagnosed with IH before puberty, and 17 (71%) were treated with symptoms during puberty. The main clinical manifestations included abdominal pain and discomfort (16/17,94. 1%). Most of the pediatre patients had urinary symptoms such as retention of urine and impaired urination (7/17.41.2%) and frequent urination (2/17,11.8%). Some had fever (2/17,11.8%), bloating (1/17,5.9%), nausea (1/17.5.9%). and difficulty defecating (1/17,5.9%). 7 (41.2%) of the children with symptoms had been misdiagnosed. All 24 children underwent hymenotomy with a cruciate incision, with no obvious postoperative complications during follow-up. Conclusion The diagnosis of IH requires careful physical examination, in which ultrasound examination can be helpful in making correct diagnosis. The best timing for surgery is during puberty, but before the menarche. Symptomatic adolescent should receive surgery as soon as possible after diagnosis. The hymen cruciate incision is safe and effective as a standard surgical procedure. [ABSTRACT FROM AUTHOR]

Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department 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 South China Normal University (Natural Science Edition) / Huanan Shifan Daxue Xuebao (Ziran Kexue Ban) is the property of Journal of South China Normal University (Natural Science Edition) Editorial 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.)

Objective To investigate the expression of Vav1 in gastric cancer(GC), and analyze its potential relevance to clinicopathological characteristics and prognostic significance in GC patients. Methods The mRNA expression level of Vav1 was detected by real-time quantitative PCR in GC cell lines (HGC- 27， SGC7901 and MGC803) and normal gastric mucosa cell line (GES-1). In addition, the protein expression of Vav1 was analyzed by immunohistochemistry in formalinfixed samples from 105 GC patients. The associations between clinical pathological features and Vav1 protein expression were evaluated in GC patients. Kaplan-Meier method and Cox regression analysis were used to analyze the related factors influencing the prognosis of GC. Results The mRNA expression levels of Vav1 were significantly higher in GC cell lines (HGC-27, SGC7901, MGC803) than those in normal gastric mucosa cell line (GES-1, P＜ 0.05). The positive expression of Vav1 in GC tissues was correlated with diameter of tumor and lymph node metastasis (P＜ 0.05). The univariate analysis showed that size of tumor, degree of differentiation, serosal invasion, lymph node metastasis and Vav1 expression were significantly related with prognosis of GC (P＜ 0.05). Results of Cox regression showed that tumor invasion depth (HR=2.764, 95% CI 1.316- 5.817, P=0.007), lymph node metastasis (HR=1.298, 95% CI 1.098- 1.534, P=0.002) and Vav1 expression (HR=2.577, 95% CI 1.066- 3.946, P=0.006) were the risk factors affecting prognosis of patients with gastric cancer. Conclusion Vav1 performs important role in the aggressiveness of GC, and Vav1 may serve as a novel prognostic factor in GC. [ABSTRACT FROM AUTHOR]

Copyright of China Sciencepaper is the property of China Sciencepaper 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 Tianjin Medical Journal is the property of Tianjin Medical Journal 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 Tianjin Medical Journal is the property of Tianjin Medical Journal 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.)