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Copyright of Engineering Management & Technology Discussion is the property of Omniscient Pte. Ltd. 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 Computer Measurement & Control is the property of Magazine Agency of Computer Measurement & Control 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 Chinese Journal of Applied Mechanics is the property of Chinese Journal of Applied Mechanics 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.)

Copyright of Journal of Hydrobiology / Shuisheng Shengwu Xuebao is the property of Editorial Department of Journal of Hydrobiology 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.)

⑴ Background——China has good forest resources, especially natural forests. Studies show that natural forests have strong carbon sinks capacity and great potential. If the forest carbon sinks of natural forests can be fully utilized, it will make great contributions to the realization of carbon peak and carbon neutrality.⑵ Methods——Based on the forestry data of 16 provinces in China’s natural forest protection project regions from 1999 to 2018,DEA-Malmquist index method was used to analyze the static efficiency and dynamic change of forest carbon sinks.⑶ Results——During the 9th forest inventory, the total amount of forest carbon sinks in China’s natural forest protection project regions was 12.575 billion tons, which was 1.42 times that of the 6 th forest inventory. The higher growth rate was in the middle and upper reaches of the Yellow River（68.08%） and the upper reaches of the Yangtze River（44.88%）,while the lower growth rate was in the key state-owned forest areas（35.31%）.The forest carbon sinks efficiency in the natural forest protection project regions varied greatly among provinces. Due to the advantages of resource endowment and forestry management, the forest carbon sinks efficiency of the key state-owned forest areas and provinces in the upper reaches of the Yangtze River was higher than that of provinces in the middle and upper reaches of the Yellow River. From the sixth to the ninth forest inventory period, the average value of comprehensive efficiency of the overall forest carbon sinks in the natural forest protection project regions was 0.560,0.558,0.589 and 0.644,respectively.The average comprehensive efficiency of the natural forest protection project regions showed that the forest carbon sinks efficiency was in the middle and lower level. In addition, the average value of scale efficiency was 0.675,and the average value of pure technical efficiency was 0.883,indicating that scale efficiency restricted the growth of comprehensive efficiency. The spatial characteristics of forest carbon sinks efficiency in different natural forest protection project regions were quite different. The Malmquist productivity index approach was used to analyze the dynamic evolution of forest carbon sinks efficiency. It showed that technical efficiency and technological progress jointly promoted the growth of total factor productivity, among which technological progress played the main role, and had regional heterogeneity. The main reasons for regional heterogeneity of total factor productivity were the differences in natural conditions, forest resource endowment, economic conditions, capital input, industrial development and forestry management level.⑷ Conclusions and Discussions——In the past 20 years, the forest carbon sinks has increased significantly, but the regional difference is obvious. The overall efficiency of forest carbon sinks is at a medium level, and the forest carbon sinks in most of the natural forest protection project regions is restricted by scale efficiency. In terms of time series, the forest carbon sinks efficiency shows an increasing trend, and the technical efficiency index and technical progress index continue to rise. In terms of space, the driving forces and limiting factors of forest carbon sinks efficiency are also different in different natural forest protection project regions. Therefore, the following suggestions are put forward: First, strengthen the basic research of forestry science and technology, accelerate the transformation of forestry science and technology achievements. Second, forestry development objectives and forestry policies must be adapted to the actual conditions of the regions, and measures should be taken according to local conditions to promote the coordinated development among the regions. Third, actively develop carbon sinks projects to explore potential value. Fourth, improve the carbon trading market and accelerate the transformation of ecological benefit value. Fifth, effectively protect forest resources and accelerate the transformation of forestry industry. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Frontiers of Computer Science & Technology is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. 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 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 Journal of Liaoning Technical University (Natural Science Edition) / Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban) is the property of Journal of Liaoning Technical University (Natural 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 Chinese Mental Health Journal / Zhongguo Xinli Weisheng Zazhi is the property of Chinese Mental Health 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.)

目的 总结阑尾炎并阑尾周围脓肿置管引流术后迟缓埃格特菌血流感染的有效诊断及治疗方法。方 法 对1例阑尾炎并阑尾周围脓肿置管引流术后迟缓埃格特菌血流感染患者的诊治经过作回顾性分析。结果 患 者80岁, 以右下腹疼痛伴发热入院, 经实验室检查、腹部超声检查、腹部CT检查诊断为阑尾炎并阑尾周围脓肿, 接 受经皮穿刺阑尾周围脓肿造影及置管引流术治疗, 术后以头孢唑肟进行抗感染治疗。术后 4 h患者突发持续性寒 战、体温升高、降钙素原升高, 判断患者有血流感染表现, 更换抗菌药物为头孢哌酮/舒巴坦经验性抗感染治疗。血 培养结果提示患者为革兰阳性杆菌, 血培养分离菌株经基质辅助激光解吸电离飞行时间质谱分析仪和16S rRNA基 因序列分析均鉴定为迟缓埃格特菌。患者经头孢哌酮/舒巴坦抗感染治疗9 d后康复出院。结论 阑尾炎并阑尾周 围脓肿置管引流术后迟缓埃格特菌血流感染的主要临床症状是发热, 基质辅助激光解吸电离飞行时间质谱分析和 16S rRNA基因序列分析均可用于迟缓埃格特菌菌种鉴定, 但鉴定时间较长, 提前进行经验性抗感染治疗十分必要, 头孢哌酮/舒巴坦是治疗阑尾炎并阑尾周围脓肿置管引流术后迟缓埃格特菌血流感染的有效抗菌药物之一。 [ABSTRACT FROM AUTHOR]

Copyright of Computer Measurement & Control is the property of Magazine Agency of Computer Measurement & Control 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.)