Search

Strengthening user relationship management is the important way for the high-quality development of university libraries, which has attracted the attention of university libraries in recent years. The current research and practice mainly focus on service strategy, and lack of systematic research and planning from the perspective of organizational strategy. In addition, there are also problems such as insufficient attention to the subjectivity and initiative of users in library work, and lack of empirical research results. The purpose of this study is to construct a suitable cognitive and practical framework for user relationship management in university libraries, and to introduce the successful experience based on this framework, so as to provide reference for other university libraries. Therefore, based on the essential characteristics and fundamental functions of all library services and resources to support user knowledge construction, this study defines four vertical dimensions of user relationship management in university libraries by applying knowledge construction theory and logical deduction method, including space construction, knowledge resource construction, interactive situation construction and user subject construction, which intersect with the horizontal process of reinterpretation of user relationship management, and together constitute the cognitive and practical framework of library user relationship management. Based on the above framework, this paper introduces the practice and effect of strengthening user relationship management in the library of North China University of Science and Technology, including the construction of physical space, to provide users with real situation; knowledge resource construction, to provide users with applicable learning materials; social interaction construction, to promote the exchange and cooperation of users; user subject construction, to enhance the subjective initiative of user knowledge construction. It also introduces the specific measures taken by the library in terms of organization construction, librarian team construction and external publicity and promotion. The cognitive and practical framework constructed in this study better deals with the relationship between theory introduction and localization reconstruction, defines the logical and behavioral boundaries of library user relationship management, and clarifies the content and focus of practice. It is the inheritance and development of the traditional "user-centered" concept and practice of libraries. It has become a strategic action guide for the industry to recognize and practice user relationship management, and helps to achieve good results in related work. [ABSTRACT FROM AUTHOR]

The mangrove ecosystem is a unique and important component of coastal ecosystems. However, microplastics, as a new type of environmental pollutant, enter the mangrove system through various pathways and have become a serious challenge for mangroves. This article analyzes the impact of microplastics on the mangrove ecosystem, including the distribution characteristics of microplastics in the mangrove ecosystem, the effects of microplastics on the mangrove ecosystem, the influencing factors of microplastic distribution in the mangrove ecosystem, and the fate of microplastics in the mangrove ecosystem. Finally, the research directions for microplastics in the mangrove ecosystem are discussed. Six studies were proposed to establish microplastic monitoring methods and detection standards, evaluate the ecological risks of microplastics in mangroves, establish measures for microplastic pollution control and management, predict microplastic models, explore remediation and removal strategies, and study the interaction between microplastics and carbon cycling in marine ecosystems. This study provides references for future research priorities and pollution control in the field of microplastics in mangroves. [ABSTRACT FROM AUTHOR]

Copyright of Nuclear Safety is the property of Nuclear & Radiation Safety Center 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.)

An accurate detection can greatly contribute to the wheat ears in field environments. Traditional object detection models with horizontal bounding boxes cannot accurately detect the densely distributed wheat ears, particularly on the significant occlusion between ears and stalks. The high miss detection of wheat ears often occurs in the variation of illumination conditions, dense distribution, and small scales, due to the overlap of prediction bounding boxes. It is a high demand to orient the wheat ears with less noise and of large background for the high performance. In this study, an improved Oriented Region-based Convolution Neural Networks (R-CNN) model was proposed to detect and count rotated wheat ears. Firstly, the spatial pyramid pooling cross-stage partial networks (SPPCSPC) was added to the backbone network to generate the last layer of the output feature map. The sensing field was then enlarged to enhance the perceptual ability of the network; Secondly, the feature aggregation network and the efficient two convolutional block attention module (E2CBAM) hybrid attention mechanism module were introduced into the neck network to enrich the feature information in the feature map; Finally, the prediction bounding boxes were optimized using the flexible non-maximal inhibition algorithm soft-non maximum suppression (Soft-NMS), in order to optimize the predicted bounding boxes screening. The E2CBAM module was improved using the convolutional block attention module (CBAM) in the E2CA module, instead of the CAM channel attention module. The E2CA module was composed of two parallel ECA branch structures: the maximum and average pooling. Two adaptive convolution kernels were then obtained to sum. Finally, the channel assignment was weighted for the important channel information. The key feature was captured to improve the detection performance of the model. To verify the E2CBAM hybrid attention module, the path aggregation network (PANet) was introduced into the neck network to enrich the semantic and target location in the feature map. The detection accuracy of the model was then improved by 0.19 percentage points. Furthermore, the detection accuracy was improved by 0.16 and 0.31 percentage points, whereas, the number of parameters increased by 0.24 and 0.20 M. respectively, in the CBAM and E2CBAM hybrid attention mechanism module. The floating-point computation remained unchanged. Compared with the CBAM, the E2CBAM hybrid attention mechanism module improved the detection accuracy of the model by 0.15 percentage points, while reducing the number of parameters by 0.04 M with the unchanged computation. The experimental results show that the improved Oriented R-CNN model accurately represented the head direction of wheat ears, indicating better detection performance. The mean mAP of average accuracy was 2.02 percentage points higher than the original model, compared with the mainstream-oriented bounding boxes detection models. Moreover, the mAP values were improved by 4.99, 2.49, 3.94, 2.25, and 4.12 percentage points, respectively, compared with the mainstream rotating target detection models, Gliding vertex, R3det, Rotated Faster R-CNN, S2anet, and Rotated Retinanet. The Oriented RCNN was utilized to accurately represent the head direction of wheat ears. The background area was also reduced in the prediction bounding boxes. The model detection was more visually appealing. The finding can provide an effective way for the practical observation of the growth status of wheat ears and counting the number of ears. [ABSTRACT FROM AUTHOR]

Copyright of Acta Sedimentologica Sinica is the property of Acta Sedimentologica Sinica 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 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 Architectural Design & Research 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 Architectural Design & Research 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 Research of Soil & Water Conservation is the property of Institute of Soil & Water Conservation, Chinese Academy of Sciences & Ministry of Water Resources 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 Refrigeration is the property of Journal of Refrigeration 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 Anhui Agricultural Sciences is the property of Journal of Anhui Agricultural Sciences 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 Shenyang Agricultural University is the property of Journal of Shenyang Agricultural University 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 Pharmaceutical Practice & Service is the property of Journal of Pharmaceutical Practice 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 Lubrication Engineering (0254-0150) is the property of Editorial Office of LUBRICATION 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 Engineering Science Research & Application 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 Telecommunications Science is the property of Beijing Xintong Media 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 Command Control & Simulation / Zhihui Kongzhi yu Fangzhen is the property of Command Control & Simulation 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 Zhejiang Electric Power is the property of Zhejiang Electric Power 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 Computer Engineering & Applications 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 Journal of Henan University of Science & Technology, Natural Science is the property of Editorial Office of Journal of Henan University of 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 Chinese Journal of High Pressure Physics is the property of Chinese Journal of High Pressure 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.)

Copyright of Nuclear Safety is the property of Nuclear & Radiation Safety Center 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 Computer Engineering & Applications 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 Journal of Refrigeration is the property of Journal of Refrigeration 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 regulatory mechanism of miR-216a-5p on autophagy and radiosensitivity of gastric cancer cell and its regulatory effect on dual-specificity phosphatase 10 (DUSP10). Methods: SGC-7901 cells were irradiated with linear accelerator 6-MV X-ray at a dose rate of 0.8 Gy/min. The total dose is 8Gy. miR-216a-5p-mimic, NC-mimic, pcDNA-DUSP10 or pcDNA-NC were transfected into SGC-7901 cells with Lipofectamine 2000 reagent. After transfection, the cells were divided into miR-216a-5p-mimic group and NC-mimic group, and each group was divided into two subgroups, 0Gy and 8Gy. In the rescue experiment, the cells were divided into miR-216a-5p mimic+pcDNA DUSP10 group and miR-216a-5p mimic+pcDNA NC group. The mRNA levels of miR-216a-5p and DUSP10 were detected by qRT-PCR. Cell proliferation was detected by 5-ethynyl-2'-deoxyuridine (EdU) incorporation test and colony formation assay. The apoptosis was assessed by flow cytometry. The protein expressions of DUSP10, Bax, Bad, Bcl-2, LC3 and p62 were detected by Western blot. The expression of γH2AX was detected by immunofluorescence method to evaluate DNA double-strand break (DSB) in cells. The targeting relationship between miR-216a-5p and DUSP10 was detected by luciferase reporter gene. Autophagosomes were detected by GFP-mRFP-LC3. Results: Compared with the 8Gy NC-mimic group, the number of colonies, EdU positive rate and Bcl-2 protein expression level in the 8Gy miR-216a-5p-mimic group decreased, while the positive rate of γH2AX, the rate of apoptosis and the expression levels of Bax and Bad proteins increased (P<0.01). Compared with the 8Gy NC-mimic group, the number of autophagosomes and the expression level of LC3II protein in the 8Gy miR-216a-5p-mimic group decreased, while the expression level of p62 protein increased (P<0.001). After co-culture with miR-216a-5p-mimic, the relative luciferase activity of DUSP10-3'-UTR-WT was significantly reduced compared with the DUSP10-3'-UTR-MUT group (P<0.001). Compared with the NC-mimic group, the DUSP10 mRNA and protein expression levels in the miR-216a-5p-mimic group were lower (P<0.001). Compared with the miR-216a-5p mimic+pcDNA NC group, the number of colonies and autophagosomes in the miR-216a-5p mimic+pcDNA DUSP10 group increased, while the apoptosis rate was decreased (P<0.001). Conclusion: miR-216a-5p inhibits cell proliferation, increases radiation-induced apoptosis and inhibits radiation-induced autophagy by inhibiting DUSP10, thereby enhancing the radiosensitivity of gastric cancer cells. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Henan University of Science & Technology, Natural Science is the property of Editorial Office of Journal of Henan University of 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.)

Objectives: On January 8th 2022, an Ms 6.9 earthquake struck Menyuan, Qinghai Province, China. The epicenter is located in the middle section of Qilian-Haiyuan fault in the northeast margin of the Tibetan Plateau, which is a seismic gap. It is of great significance to study this earthquake for under-standing the tectonic deformation mechanism, strain release process and seismic hazards of the NE Tibetan Plateau.Methods: Differential synthetic aperture radar interferometry (D-InSAR) is used to obtain the coseismic deformation along the line of sight (LOS) of the Menyuan earthquake from Sentinel-1 satellite images. The co-registration of optically sensed images and correlation are used to obtain the EW coseismic deformation from the multi-temporal Sentinel-2 data. Based on the coseismic deformation field derived from InSAR interferograms, we invert the slip distribution. Results: The LOS deformation fields showed that the Menyuan earthquake caused a surface rupture of about 20 km long and the maximum LOS displacement was 0.75 m. The maximum EW displacement derived from optical images was 2.5 m. The slip distribution model showed that the Menyuan earthquake was dominated by a sinistral strike-slip. The coseismic slip is concentrated at a depth of 0 - 10 km. The maximum slip was 3.25 m at a depth of 4.89 km and the rake angle was 10.44°. The estimated total seismic moment is 1.07x1019 N.m, corresponding to a magnitude of Mw 6.6. Conclusions: According to the results from aftershock relocation, field investigation and tectonic background, we infer that the seismogenic fault is the Lenglongling fault and the eastern segment of Tuolaishan fault is also ruptured. The stress on the eastern segment of the Lenglongling fault and the western segment of the Tuolaishan fault is enhanced, implying that there is the possibility of strong earthquakes in this region in the future. [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.)