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提出了一种在PON（无源光网络）中实现长发光检测的方法,通过对上行光信号进行SD（信号检测）采样,再基于SD信号是否有效来判定是否存在长发光现象。OLT（光线路终端）首先构造一个短时隙通过光模块下发给ONU（光网络单元）,并控制光模块根据该短时隙对上行光信号进行SD采样,得到第一检测结果;OLT根据第一检测结果判断上行光信号是否有效,在判断结果为是的情况下,OLT再次构造一个长时隙下发,并基于该长时隙对上行光信号进行SD采样,得到第二检测结果;OLT根据第二检测结果确定当前PON口是否存在长发光现象。相比常用的光功率检测方式,文章所提方法具有更高的可靠性和准确性,且不会占用固定带宽,最大限度地保证了上行带宽的利用率。

Copyright of Food Research & Development is the property of Food Research & Development 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 Chongqing University of Technology (Natural Science) is the property of Chongqing University of Technology 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 Tunnel Construction / Suidao Jianshe (Zhong-Yingwen Ban) is the property of Tunnel Construction 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 Metal Working (1674-165X) is the property of Metal Working 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.)

Promoting the integration of rural primary, secondary, and tertiary industries is an important measure for developing new agricultural industries, formats, and models. The article takes policy texts issued by the general offices of 23 provinces (cities) to promote rural industrial integration as the research object, and comprehensively uses word frequency analysis and social network analysis to explore the development methods and trends of promoting rural industrial integration. The research results indicate that the key content of promoting the integration of rural three industries in various provinces (cities) is to build a new pattern of rural industrial integration development with complete industrial chains, diverse services, sound mechanisms, and close interests. Therefore, in the process of promoting the integration of rural three industries, attention should be paid to coordinating diversified policies, strengthening leading enterprises in the development of the entire industrial chain, developing emerging agricultural formats, and focusing on implementing development support policies. [ABSTRACT FROM AUTHOR]

Copyright of Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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 Northwest A & F University - Natural Science Edition is the property of Editorial Department of Journal of Northwest A&F University (Natural Science Edition) 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 Integrated Intelligent Energy is the property of Editorial Department of Integrated Intelligent Energy 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 Liquid Crystal & Displays is the property of Chinese Journal of Liquid Crystal & Displays 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 Food Safety & Quality is the property of Journal of Food Safety & Quality 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 China Medical University is the property of Journal of China Medical University 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 Food & Fermentation Industries is the property of Food & Fermentation Industries 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 Arteriosclerosis is the property of Chinese Journal of Arteriosclerosis 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 Laser Technology is the property of Gai Kan Bian Wei Hui 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 Experimental Technology & Management is the property of Experimental Technology & Management 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 Science & Technology of Food Industry is the property of Science & Technology of Food Industry 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.)

Polypyrrole (PPy)-functionalized monolithic materials have attracted research attention in the field of oil-water separation. Herein, a PPy-functionalized melamine sponge (PPy-Ms) was prepared using unstirred polymerization method. We first focused on the preparation of PPy and PPy-Ms with and without stirring. The results showed that unaggregated PPy nanoparticles could be obtained upon static polymerization; the PPy-Ms was easier to clean, and its adsorption performance was slightly better. The effects of the polymerization time, acidity, and molar ratio on the oil adsorption efficiency of PPy-Ms were further investigated. PPy-Ms was hydrophobic with a water contact angle of ~140°, and exhibited excellent adsorption capacity for various oils and organic solvents. The maximum oil adsorption capacity of PPy-Ms was 119 times the initial weight. PPy-Ms also exhibited high separation efficiency (up to 99.8%) for a mixture of oil and water, and demonstrated good recyclability. The preparation method for PPy-Ms is simple and inexpensive; Consequently, the as-prepared PPy-Ms is an ideal candidate for removing and collecting oil and organic solvents from water, and has broad prospects for industrial development and application. [ABSTRACT FROM AUTHOR]

The design of unequal width platform is one of the effective methods to improve the dynamic stability of high cutting slope in cataclastic rock mass. Under the background that the width of standard platform should not be less than 2 m, it is of great engineering application value to study the dynamic response characteristics of this type of slope. The PGA amplification factor, plastic deformation zone and the maximum shear strain of the platform. position of the three-level stepped slope are calculated by FLAC3D finite element software. Then, based on the numerical simulation results, a large-scale shaking table physical simulation test is designed to carry out the research on the deformation and instability characteristics of the non-equal-width stepped slope and the change of PGA amplification factor. The slope failure degree caused by the width of the two-level platform is analyzed, and the design suggestions of the cutting slope engineering are put forward. The numerical simulation shows that the PGA amplification coefficient decreases first and then increases with the increase of the width of the intermediate platform. Considering the platform segmentation effect, the width of the secondary platform of the project is recommended to be 4 m. The physical test shows that the slope is prone to stress concentration at the platform. The platform segmentation effect causes the slope to gradually decompose into local damage. Progressive deformation and failure occur under earthquake action, which can be divided into slow deformation, accelerated deformation and instability failure stages. The research results provide a basis for the design of this type of cutting slope platform. [ABSTRACT FROM AUTHOR]

Copyright of Systems Engineering & Electronics is the property of Journal of Systems Engineering & Electronics 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 Asian Journals of Ecotoxicology is the property of Gai Kan Bian Wei Hui 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 Electroplating & Finishing is the property of Electroplating & Finishing 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 Data Acquisition & Processing / Shu Ju Cai Ji Yu Chu Li is the property of Editorial Department of Journal of Nanjing University of Aeronautics & Astronautics 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 Journal of Shenyang Pharmaceutical University is the property of Shenyang Pharmaceutical University 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 Arid Land Geography is the property of Chinese Academy of Sciences, Xinjiang Institute of Ecology & Geography 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 Atomic & Molecular Physics (1000-0364) is the property of Journal of Atomic & Molecular Physics 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 investigating the impact of Financial Burden on Health - Related Quality of Life in elderly patients with Chronic Comorbid Conditions and its mechanisms. Methods A convenience sample of 493 chronic comorbid patients was extracted from two community health service centers in Yanji City. General information was collected using a questionnaire, and the Patient Experiences with Primary Care (ASPC) scale, Comprehensive Score of Financial Burden (COST), Herth Hope Scale, and SF 一 36 Health Survey were utilized for the investigation. Univariate analysis, partial correlation analysis, and testing a moderated mediation model was conducted. Results (1) Financial Burden significantly predicted HRQoL (仔 二 0. 32, 95% C/：0. 24 - 0. 40, P <0. 001); (2) Hope level partially mediated the relationship between Financial Burden and HRQoL (仔二 0. 12, 95% C/：0. 08 - 0. 16, P < 0. 001), accounting for 37% of the total effect; (3) The direct predictive effect of Financial Burden on health 一 related quality of life (仔二 0. 07, 95% CI：0. 01 - 0. 14 <0. 05) and the mediating role of hope in their relationship (/3 = 0, 13,95% CI: 0. 05 - 0. 21, P < 0. 01) were both moderated by the core features of comprehensive primary care. Conclusion This study reveals the mechanism by which Financial Burden impacts HRQoL in elderly patients with chronic comorbidities. The findings emphasize the importance of enhancing economic support and hope levels for this patient group and highlight the role of comprehensive primary care function in mitigating the adverse effects of Financial Burden on HRQoL. These insights contribute to providing more comprehensive and effective medical services to patients with chronic comorbidities, alleviating the impact of Financial Burden, and enhancing their overall quality of life. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Food Safety & Quality is the property of Journal of Food Safety & Quality 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.)

In the era of digital economy, open source innovation has become the stimulator of innovation vitality, and is becoming an important source of high-quality supply of digital public goods. This study focuses on the importance of promoting the open source of state-funded scientific research projects, and summarizes the practical experience and policy measures of major countries and regions in the world on the open source of state-funded scientific research projects. It is also emphasized that the challenges of promoting the open source of state-funded scientific research projects in China. Suggestions for promoting the establishment of an open source mechanism of scientific research achievements are presented in this paper. [ABSTRACT FROM AUTHOR]

Objective To explore the safety and efficacy of single-port laparoscopic choledochal cyst excision and Roux-en-Y hepaticojejunostomy (SPCH). Methods Between January 1, 2018, and December 31, 2022, 62 consecutive cases of choledochal cysts were recruited. The procedure was either SPCH (n=43) or multiple-port laparoscopic choledochal cysts excision and Roux-en-Y hepaticojejunostomy (MPCH) (n=19). Magnetic resonance cholangiopancreatography (MRCP) was performed. Baseline clinical characteristics, short-term efficacy and safety outcomes were examined through reviewing the relevant medical records. Results No significant inter-group differences existed in such baseline clinical characteristics as gender, operative age, Todani classification, clinical presentation, prenatal diagnosis & longest diameter of cyst. Average postoperative hospitalization stay of SPCH group was shorter than that of MPCH group (7. 14±2. 70 vs. 7. 58±3. 27 day, P=0. 892). However, the inter-group difference was not statistically significant. Operative duration (266. 79±69. 39 vs. 277. 32±90. 23 min, P=0. 913) and volume of blood loss (8. 88±12. 37 vs. 16. 68±34. 84 mL, P=0. 758) were similar between two groups. MPCH group had a significantly higher number of drainage tubing than SPCH group (11 vs. 7;P=0. 0009). One child in SPCH group developed stenosis after hepaticojejunostomy. During follow-ups, no other complications occurred. Conclusions SPCH is as safe and effective as MPCH for choledochal cysts. It helps to lower the difficulty of single-incision laparoscopy. [ABSTRACT FROM AUTHOR]

Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics 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 Food Safety & Quality is the property of Journal of Food Safety & Quality 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 Journal of Explosives & Propellants is the property of Chinese Journal of Explosives & Propellants 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.)

Recurrent implantation failure （RIF） refers to the situation where couples facing infertility undergo multiple IVF-ET cycles and transfer multiple high-quality embryos, yet are unable to achieve embryo implantation or clinical pregnancy. The causes of RIF are multifaceted and can be influenced by many factors that may impact the outcome of IVF-ET assisted pregnancy. Despite this, there is ongoing debate regarding the definition of RIF, as well as the screening, diagnosis, and treatment approaches. This confusion largely stems from differences between current domestic and foreign guidelines and consensus. In order to provide clarity on this issue, this article aims to offer reference opinions on the standardized clinical diagnosis and treatment of RIF, based on recent research progress as well as both domestic and foreign guidelines and consensus. [ABSTRACT FROM AUTHOR]

Copyright of Modern Food Science & Technology is the property of Editorial Office of Modern Food Science & Technology 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 China Medical University is the property of Journal of China Medical University 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 Henan University of Technology Natural Science Edition is the property of Henan University of Technology Journal 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 Science & Technology of Food Industry is the property of Science & Technology of Food Industry 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 Tropical Geography is the property of Tropical Geography 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 Zhengzhou University: Engineering Science is the property of Editorial Office of Journal of Zhengzhou University: Engineering Science 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.)