Zobrazeno 1 - 10
of 2 231
pro vyhledávání: '"LI Haixia"'
Autor:
A Huaihong, Wang Lihua, Liao Dongsheng, Tan Hui, Chai Shuang, Ma Yongxia, Liu Peiyao, Han Sina, Luo Shujuan, Li Haixia, Bai Chunming, Chai Yankun
Publikováno v:
Sichuan jingshen weisheng, Vol 37, Iss 5, Pp 464-470 (2024)
BackgroundThe mental health problems of employees in administrative organs and public institutions are highly valued. However， there is a lack of understanding regarding the mental health status of employees in provincial and municipal administrati
Externí odkaz:
https://doaj.org/article/8b7a9adbc74f499f84349a74929991a8
Publikováno v:
Jixie chuandong, Vol 47, Pp 156-160 (2023)
The new version of the gear accuracy standard GB/T 10095.1—2022 has been released, and the standard of accuracy of rack is written with reference to the gear accuracy standard. The manufacturing technology and the processing accuracy of racks have
Externí odkaz:
https://doaj.org/article/c31c0e0c563444a99fa3dd1770e0ed33
Publikováno v:
Jixie chuandong, Vol 47, Pp 151-158 (2023)
The second edition of ISO 1328-2 was released in 2020, which adjusted the scope of application and modified the evaluation system of accuracy level to distinguish it from ISO 1328-1. In order to better understand and apply the gear accuracy standard,
Externí odkaz:
https://doaj.org/article/9e75f99ea5454a46a731e12aecb81a4e
Autor:
LI Fangfang, LIANG Xiuqing, ZHANG Hui, CHEN Qianqian, TIAN Qiyan, LI Haixia, WANG Yanli, ZHANG Hanshuang, LIU Yanming
Publikováno v:
Zhongguo shipin weisheng zazhi, Vol 35, Iss 3, Pp 367-373 (2023)
ObjectiveTo establish a method based on dispersive liquid-liquid microextraction coupled with gas chromatography for the simultaneous determination of seven common preservatives and three common antioxidants in vinegar.MethodsChloroform was used as t
Externí odkaz:
https://doaj.org/article/946e1a50221e483bb08ac93bf5fe8364
Publikováno v:
Fushe yanjiu yu fushe gongyi xuebao, Vol 41, Iss 4, Pp 040205-040205 (2023)
The degradation of simulated methyl red dye wastewater in a concentric tubular reactor using dielectric barrier discharge low-temperature plasma technology was studied. The effects of discharge power, initial solution concentration, initial pH, treat
Externí odkaz:
https://doaj.org/article/1b7bbcf0c2c14d508bfd6e9a124ba241
Publikováno v:
Fushe yanjiu yu fushe gongyi xuebao, Vol 39, Iss 2, Pp 20-26 (2021)
The photooxidative damage induced by difloxacin to lysozyme was studied using steady-state illumination. Difloxacin damaged lysozyme structure under 315~375 nm light irradiation. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) re
Externí odkaz:
https://doaj.org/article/74d59c6026154286b336e078a1b01e0d
Publikováno v:
E3S Web of Conferences, Vol 233, p 03048 (2021)
According to the data of May, August and October 1992, the range of Hg content in Jiaozhou Bay waters was 0.009-0.050 μg /L, which met the water quality standard of class I sea water. This showed that in terms of Hg content, in May, August and Octob
Externí odkaz:
https://doaj.org/article/ac16763701514f6f91f8e4e73a6f94aa
Publikováno v:
E3S Web of Conferences, Vol 236, p 03012 (2021)
Based on the survey data of the waters of Jiaozhou Bay in May, August and October 1992, the change of Pb content and its deposition process in the surface and bottom waters of Jiaozhou Bay were studied. According to the definition and model of Dongfa
Externí odkaz:
https://doaj.org/article/63c5aa644f594bce98271b7704b65454
Publikováno v:
E3S Web of Conferences, Vol 236, p 03019 (2021)
According to survey data, in Jiaozhou Bay in 1992, the vertical distribution of Cd content and monthly changes in the surface and the bottom of the central sea area of Jiaozhou Bay were studied, and monthly changes, migration processes and variationa
Externí odkaz:
https://doaj.org/article/adbdb09d994d4a06bde1fd764f9b4265
Publikováno v:
E3S Web of Conferences, Vol 245, p 02021 (2021)
Using survey data of Pb in water body from southwest of Jiaozhou Bay to west of bay mouth, in August 1992 and according to the horizontal change model and the vertical change model of matter content put forward by authors, we calculate the horizontal
Externí odkaz:
https://doaj.org/article/19604ee603e8456cba8858cb96eb7351