Zobrazeno 1 - 10
of 16 137
pro vyhledávání: '"mass spectrometer"'
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 5, Pp 609-615 (2024)
Due to their high reactivity, volatile organic compounds (VOCs) can engage in physical and chemical reactions with particulate matter in the atmosphere, leading to air pollution. Extended exposure to VOCs may result in various health concerns, includ
Externí odkaz:
https://doaj.org/article/9f1dcbf80c574ff29153f81d523f25fb
Autor:
Xiang-long YUAN, Xiao-pan SHEN, Li-hua ZHAI, Fei-teng LI, Hu DENG, Jiang XU, Lei FENG, Zhi-ming LI
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 5, Pp 600-608 (2024)
Abundance sensitivity is an important technical index of magnetic mass spectrometer, which describes the extent to which the tailing of intense ion peaks at a mass number in its neighborhood affects the weak ion peaks during isotope ratio measurement
Externí odkaz:
https://doaj.org/article/032c65996245464f87eb94a124286ffa
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 4, Pp 472-481 (2024)
Quadrupole mass spectrometer is currently one of the most widely used small-scale mass spectrometry instruments. Studying the ions trajectory in a quadrupole field is very important for a deeper understanding of the behavior of ions in quadrupole fie
Externí odkaz:
https://doaj.org/article/842d185c89424221aab52db54b1cd324
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 14, Pp 215-223 (2024)
In order to explore the differences of volatile organic compounds (VOCs) in different malts, roasted malt and biscuit malt were detected by gas chromatography-mass spectrometry (GC-MS) and gas chromatography-ion mobility spectrometry (GC-IMS) respect
Externí odkaz:
https://doaj.org/article/ef678dc62b6940cb887d607ba5a2832f
Publikováno v:
Radiation Protection and Environment, Vol 47, Iss 1, Pp 29-33 (2024)
Particulate matter (PM) in the air has significant implications for human health and the environment, particularly in urban areas with high concentrations. This study focuses on the isotopic (δ13C and δ15N), elemental (CNS) as well as the total car
Externí odkaz:
https://doaj.org/article/a39da0dc1f5b489182895e65730e6c82
Autor:
H. Almahasheer
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract More catechins are found in green tea than in any other type of tea, with its predominant production taking place in Asian nations. Consumption of green tea has been strongly correlated with a reduced risk of many diseases. This study introd
Externí odkaz:
https://doaj.org/article/035c0f07d9064261ba39b8ea183b65b4
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 401-411 (2024)
Phosphoric acid is commonly used to react with carbonates to generate carbon dioxide for determining the carbon and oxygen isotopes of carbonates by using online reaction device, for example, GasBench coupled to an isotope ratio mass spectrometer (IR
Externí odkaz:
https://doaj.org/article/64097954b1804e46991663dda0aafe7f
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 332-342 (2024)
Mass resolution of Foureir transform mass spectrometer (FTMS) highly depends on the acquisition time of image charge/current signal. In order to achieve higher resolution with a shorter transient time, apart from increasing the field strength of the
Externí odkaz:
https://doaj.org/article/ccac59ba8b7441c4a2fe2a13fe1347e0
Autor:
Zhangtie Wang, Yuhang Zhu, Minjun Xu, Kejie Peng, Binhai Shi, Yixuan Wang, Qi Chen, Weisu Huang, Yidan Chen, Baiyi Lu
Publikováno v:
Food Frontiers, Vol 5, Iss 3, Pp 907-919 (2024)
Abstract Various edible chrysanthemum flowers possess different anti‐glycation effects due to various compositions; however, the interaction mechanism is unclear. Our study aimed to compare the anti‐glycation effects of different edible chrysanth
Externí odkaz:
https://doaj.org/article/8fbf8dbeecb34cd0ad31d3e77628843d
Autor:
Xiaoping WANG, Zhongying LIU, Yang ZHONG, Dingqiu ZHANG, Yang LU, Minmin ZHU, Hongyi ZHENG, Yexin HE, Xin WANG, Taorui HUANG, Zubin JIANG
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 7, Pp 254-260 (2024)
To analyze the speciation distribution of arsenic in agaric, shiitake mushroom, matsutake and agrocybe, the ion chromatography-inductive coupled plasma mass spectrometer (IC-ICP-MS) was used to determine arsenobetaine, dimethyl arsenic, arsenous acid
Externí odkaz:
https://doaj.org/article/da855ce0659f4a8eae588533269aa880