Zobrazeno 1 - 10
of 15
pro vyhledávání: '"LI Qing-cai"'
Publikováno v:
Yankuang ceshi, Vol 40, Iss 1, Pp 103-110 (2021)
BACKGROUND Hexavalent chromium is one of the necessary indices for monitoring the soil environment of solid waste and construction land. OBJECTIVES To establish a simple, accurate and precise method for the determination of Cr(Ⅵ). METHODS Using 0.1
Externí odkaz:
https://doaj.org/article/a5a2d62ecc234c93bf138f4948b3a5e7
Publikováno v:
Yankuang ceshi, Vol 38, Iss 2, Pp 204-211 (2019)
BACKGROUND Cr(Ⅵ) is one of the 47 internationally recognized most dangerous wastes. Study on the remedy of Cr-contaminated soil is of great significance for risk control of contaminated soil. OBJECTIVES To build a reliable method for Cr-contaminate
Externí odkaz:
https://doaj.org/article/2de742c7346a4e6ea95bb486e7055b80
Publikováno v:
Yankuang ceshi, Vol 37, Iss 2, Pp 201-208 (2018)
With the upgrade of urban industrial distribution, high pollution and energy-intensive companies were closed and moved. It is of great importance to investigate the geochemical characteristics of these abandoned soils for risk control of polluted sit
Externí odkaz:
https://doaj.org/article/f50532a47dd14673855d42120dc1d6a6
Publikováno v:
Yankuang ceshi, Vol 36, Iss 3, Pp 239-245 (2017)
Existing sulfur-containing compounds, such as sulfate, sulfite and thiosulfate, can affect the determination of sulfide (H2S, HS- and S2-) in geothermal water. In addition, the detection accuracy and precision may also be influenced by sample treatme
Externí odkaz:
https://doaj.org/article/0ca053c09447420cb3bdb44bcec517b1
Publikováno v:
Yankuang ceshi, Vol 35, Iss 1, Pp 90-97 (2016)
Currently the majority of water quality assessment in China is based on comparison parameters of water with those of drinking water standards.However, to what extent the pollutants influence human health is less known.Herein, Shuangcun karst water sa
Externí odkaz:
https://doaj.org/article/1ae95917fe734a569641812bc916d372
Autor:
ZHAO Qing-ling, LI Qing-cai, XIE Jiang-kun, LI Yuan-zhong, JI Yong-hong, PANG Cheng-bao, WAN Miao
Publikováno v:
Yankuang ceshi, Vol 34, Iss 1, Pp 129-137 (2015)
Many methods, including single factor index method, Nemero comprehensive index method, potential ecological risk index method and geoaccumulation index method, have been employed to evaluate soil heavy metal pollution. However, no well-developed or s
Externí odkaz:
https://doaj.org/article/beccd077a70d4735a841496f5d3040ee
Autor:
LI Qing-cai, ZHAO Qing-ling
Publikováno v:
Yankuang ceshi, Vol 33, Iss 6, Pp 839-843 (2014)
In X-ray Fluorescent Spectrometric (XRF) analysis, particle size effect and the matrix effect were reported when the powder tableting method was used. However, under certain particle size, tableting time and pressure, the effects existed only for lig
Externí odkaz:
https://doaj.org/article/013b765d02b842459ec750cee9680e46
Autor:
ZHAO Qing-ling, LI Qing-cai
Publikováno v:
Yankuang ceshi, Vol 33, Iss 5, Pp 767-772 (2014)
Inductively Coupled Plasma-Atomic Emission Spectrometer (ICP-AES) has played an important role in the detection of inorganic elements. After a period of usage, it was found that the solenoid valve for gas flow control shifted mechanically, and led to
Externí odkaz:
https://doaj.org/article/bfd31e78be2a4161aaacd6b93aa55e07
Autor:
ZHAO Qing-ling, LI Qing-cai
Publikováno v:
Yankuang ceshi, Vol 32, Iss 6, Pp 883-886 (2013)
Zirconium titanium placer is an ore which is extremely difficult to be digested. It is almost insoluble in all kind of acid except HF. Moreover, Hf, Ti and Zr in the ore tends to hydrolyze to form insoluble partial hafnium acid, metatitanic acid and
Externí odkaz:
https://doaj.org/article/fbdc8f7334054151a6948957f44d7153
Autor:
ZHANG Bin;LI Qing;CAI Yun;LIU Kun;QIN Xue;WANG Shiqian;JI Wenhao;GUO Rui;ZHAO Chen;PENG Xingjie
Publikováno v:
Yuanzineng kexue jishu, Vol 56, Iss 11, Pp 2415-2421 (2022)
A conventional two-step approach of a transport calculation and a nodal diffusion calculation, such as CASMO/SIMULATE, APOLLO/SMART, was used in the light water reactor core design for decades. A new PWR core nuclear design software package named TOR
Externí odkaz:
https://doaj.org/article/df9dafeecb774a8bb177aa79dfe0ca71