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The peripherally inserted central catheter has been widely used in clinical setting because of its advantages of easy-to-use, safe and long‐term indwelling. Doctors and nurses should pay more attention on PICC-related complications during treatment. This paper summarized the common PICC-related complications and it influencing factors and nursing countermeasures, and provided reference for quality improvement of PICC maintenance. (经外周中心静脉置管(PICC)具有操作简单、安全可靠、留置时间长等优势, 在临床应用广泛。PICC相关并发症的防治是医护人员关注的重点。本研究总结了常见的PICC相关并发症, 并对相关影响因素和护理对策进行了归纳, 旨在为进一步提高PICC使用质量提供参考。)

Copyright of Biology Teaching is the property of East China Normal 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.)

Existing lip-reading algorithms for Chinese sentences are inadequate at feature extraction and visual ambiguity resolution, which leads to low accuracy. Aiming at this problem, this paper proposed a lip-reading algorithm for Chinese sentences based on temporal convolutional network and 3D convolutional neural network（3DT-CHLipNet）.Firstly, it used a Temporal Convolutional Network to extract long-term features from lip dynamics sequences, which has a much larger receptive field than the Long Short Term Memory Network. Secondly, in order to minimize the visual ambiguity in Chinese lipreading, it adopted a Transformer model with the self-attention mechanism to capture the context information and improve the accuracy of sentence prediction. Finally, it introduced a temporal masking data augmentation strategy in the data preprocessing to further reduce the error rate of the algorithm. Comparison experiments on CMLR, the largest open-source Sequence-to-Sequence Chinese Mandarin Lip Reading dataset, show that the improvement in accuracy over representative lip reading algorithms for Chinese sentences ranges from 2.17%to 23.99%. [ABSTRACT FROM AUTHOR]

Copyright of Basic & Clinical Medicine is the property of Editorial Office of Basic & Clinical Medicine 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.)

Homogenization of textiles and garments, the mismatch between supply and demand, and slow design decisions have long been a bottleneck in the development of a high-quality industry. With the activation of consumer trends such as “oriental aesthetics” and “new fashion”, the regeneration of traditional, national and localized clothing spirit and cultural connotation has opened up new ideas and new ways for consumption growth. Color research based on image analysis technology is helpful to accurately, conveniently, and objectively characterize garment composition forms and color usage patterns and build a bridge between subjective perception and quantitative analysis, thus helping the development and application of intelligent color design for fashion products. In order to clearly explain the color distribution and association rules of She traditional costumes, image analysis techniques were utilized to parse the imagery coloration relationship. Taking the She diaspora in Zhejiang, Jiangxi and Fujian provinces as an example, the coloration of 150 representative costumes images obtained from the field survey were analyzed. Firstly, the selected samples were subjected to image pre-processing operations. Secondly, in the construction stage of the base dataset, if conventional K-means clustering was used, the number of color clusters of each sample was forced to be uniform, which would easily lead to color lifting bias. Therefore, an improved dichotomy K-means adaptive clustering algorithm was used here to adaptively extract the color of each garment. Under HSV color space, the main colors of the sequence samples were extracted. On this basis, the K-means algorithm was used for secondary clustering when regional differences were compared horizontally, and the number of common color categories of She was determined according to relevant literature studies to unify the number of cluster centers and obtain the clothing imagery colors of each region. The improved vector set-based Apriori algorithm was used to resolve the multivariate color matching relationships among the imagery colors of She clothing, and to visually characterize the color patterns and correlations of different regional settings at the same time. Experimental results show that the quantified colors of She clothing in the three regions match the colors used in She clothing recorded in current literature, and the color palette as a whole presents black, red and blue. In the binary color matching relationship, there are some differences in the color matching color groups of She clothing in each region. In Zhejiang province, there are different shades of similar colors interwoven with each other, showing a rich sense of hierarchy; in Jiangxi province, the colors are deep and simple, with matching frequency of black and gray being greater than 50%, while in Fujian province, there are a small amount of red, yellow and other colors embellishing with each other. In the ternary color scheme relationship, the She clothing pairing is richer in Jiangxi province, simpler in Zhejiang province, and as a whole shows black, green, dark yellow and light yellow pairing relationships with each other in Fujian province. The average time cost of color matching rules parsing with the improved algorithm is 0.032 seconds, which can quickly parse the color correlation rules of She costumes coloration, and provides a referenced method of color analysis and regeneration design for other similar traditional costumes. This study analyzes the color relationships of She clothing in Zhejiang, Jiangxi, and Fujian, and concretely represents the color usage patterns and color matching logic of clothing, which helps to realize the digital conservation of She clothing coloration. In addition, the objective and visualized way of characterizing the color mechanism of clothing provides a basis for color assignment for the future application of color activation and regeneration design of She clothing and further provides a methodological reference for the systematic study of similar traditional clothing colors. [ABSTRACT FROM AUTHOR]

Ethnic costumes are colorful and reflect profound cultural heritage. Parsing the color composition and coloration mechanism of ethnic costumes will help to enrich and improve the color system, inherit and regenerate the ethnic costume culture. The formation of national costume color is frequently linked to the geographical surroundings, living habits, ethnic culture and religious belief. Image analysis technology has been utilized to quantify the color characteristics of national costumes and parse the color rules, which can broaden the scope of color regeneration services in contemporary art, design and cultural communication. She nationality is a Southeast Chinese ethnic group with distinctive clothes and accessories. With the nexus network model as the analysis tool, this paper utilizes image analysis technology and selects a total of 300 clothing images of the She nationality in Fujian, Zhejiang, and Jiangxi as samples to quantitatively analyze their colors and describe the differences in different regions. Firstly, the selected image samples are preprocessed. Secondly, in order to avoid over-balanced color of fixed clustering centers, ensure the accuracy of basic color extraction and obtain relatively accurate color center value and cluster size, an improved bipartite K-means adaptive clustering algorithm is used to cluster the sample images for the first time, and the integrated color map is formed according to the color proportion in the experiment from the perspective of speed and convenience. On this basis, in order to facilitate the comparison of the color quantity and coloration relationship in different regions, K-means clustering method is utilized to uniformly set the cluster size for secondary clustering of the comprehensive color map based on literature research and experience cognition. To analyze the differences in color composition of clothing of She nationality in Fujian, Zhejiang, and Jiangxi, the clothing color is decomposed into four color characteristic indexes, namely, color proportion, paired color co-occurrence rate, color space distance and color dispersion and a visual color nexus network model is built for various nationalities. Experimental results show that the color hues of costumes in the three regions are visually similar, but the color ratios and color order connection are extremely different. Moreover, the main colors of clothing in Zhejiang and accessories in Jiangxi make up a relatively high proportion. The color matching forms of clothing in Zhejiang area are the richest, while those of the other areas are relatively simple. In terms of color matching, the overall value of color dispersion of clothing accessories in Jiangxi and Fujian is the lowest, which reflects the relationship between the overall color application and color matching. The color extraction time taken for a single image is less than 0.2 seconds, and the color nexus network modeling takes 1.4 seconds on average. This method can efficiently assess the relationship between the color features and color matching of She ethnic costumes, as well as can visually exhibit the color composition form of the costumes. The analysis of the relationship between color applying form and color matching of She nationality costumes in this study can help to build She nationality clothing color system and serve as a reference solution for the color parsing of other ethnic costumes. Different from color measurement and color matching in the manufacture process and free from the constraints of multiple factors such as coverage and imaging environment, the color extracted in this paper only moderately reflects the color of She nationality clothing on the whole, and focuses more on the relationship between color application form and color matching. The proposed method can provide a reference for the color regeneration application of She nationality clothing in contemporary design. [ABSTRACT FROM AUTHOR]

Copyright of Applied Chemical Industry is the property of Shaanxi Research Design Insitute of Petroleum & Chemical Industry 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 International Obstetrics & Gynecology is the property of TianJin Medical Information 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 Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis 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 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 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 Chinese Journal of Clinical Healthcare is the property of Chinese Journal of Clinical Healthcare 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 Modern Medicine & Health is the property of Journal of Modern Medicine & Health 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 International Reproductive Health/Family Planning is the property of Editorial Board of the Journal of International Reproductive Health/Family Planning 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 Clinical Healthcare is the property of Chinese Journal of Clinical Healthcare 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 Entomology is the property of Chinese Journal of Applied Entomology, 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 Nursing of Integrated Traditional Chinese & Western Medicine is the property of Journal of Clinical Nursing in Practice (Editorial Board, Shanghai Jiao Tong University 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.)

Endothelial colony-forming cells(ECFCs), a subtype of endothelial progenitor cells(EPCs), play an important role in maintaining vascular homeostasis. ECFCs are characterized by robust proliferative potential, colony forming ability and ability to form intrinsic in vivo vessels upon transplantation into immunodeficient mice. They have been successfully isolated from the peripheral blood(PB-ECFCs), umbilical cord blood(CB-ECFCs), bone marrow and wall of numerous arterial and venous vessels, and derived from human-induced pluripotent stem cells(hiPSCs). Here we will briefly describe the involvement of ECFCs in various diseases, summarize the current progress and application prospect of CB-ECFCs in ischemia repair, tissue engineering and tumor therapy, and highlight the limitations of in vivo studies in mice and the improvement of cell culture conditions in vitro. [ABSTRACT FROM AUTHOR]

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 Harbin University of Science & Technology is the property of Journal of Harbin 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 Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis 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: Umbilical cord blood-derived endothelial colony forming cells (ECFCs) have high proliferation potential, self-renewal and veksel forming capacity. It is well studied in the field of regenerative and maternal-fetal medicine. This study aims to propose an effective and reliable method for ECFCs isolation and culture from umbilical cord blood. Methods: Heparin is used as anticoagulant, density gradient centrifugation and adherent culture is used for ECFCs isolation. When clones are fomied but not fused, monoclonal is selected and passaged. Finally, the obtained cells are subjected to phenotypic and functional characterization. Results: The obtained cells exhibit high proliferation ability. presented as cobblestone-like appearance and can form tubular structure. They can intake ac-LDL, combine Ulex-lectin and express the typical molecular markers of endothelial cells (namely CD31, eNOS. VE-Cadherin. vWF). Conclusions: By this efficient isolation method, sufficient and high-quality of ECFCs from cord blood can be obtained, providing a reliable basis for further experimental research. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Beijing University of Traditional Chinese Medicine is the property of Journal of Beijing University of Traditional Chinese Medicine 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.)