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5 results on '"Tian Yu Bai"'

2. Effect of pulsed vacuum drying on drying kinetics and quality of roots of Panax notoginseng (Burk.) F. H. Chen (Araliaceae)

Author

Tian-Yu Bai, Guangfei Zhu, Magdalena Zielinska, Hong-Wei Xiao, Dalong Jiang, and Zhi-An Zheng

Subjects
Materials science, biology, General Chemical Engineering, Kinetics, Analytical chemistry, 04 agricultural and veterinary sciences, 02 engineering and technology, biology.organism_classification, 040401 food science, Vacuum drying, 0404 agricultural biotechnology, 020401 chemical engineering, Araliaceae, Panax notoginseng, 0204 chemical engineering, Physical and Theoretical Chemistry
Abstract

In order to explore the feasibility to enhance drying kinetics, the effects of pulsed vacuum drying (PVD) under different temperatures (55, 60, 65, 70, and 75 °C) and pulsed vacuum ratio (PVR) (3:1...

Published
2020

3. Pulsed vacuum drying of Chinese ginger (Zingiber officinale Roscoe) slices: Effects on drying characteristics, rehydration ratio, water holding capacity, and microstructure

Author

Zhen-Jiang Gao, Dong Wang, Jun Wang, Xue Lingyang, Xiao-Ming Fang, Zhi-An Zheng, Hong-Wei Xiao, and Tian-Yu Bai

Subjects
Materials science, General Chemical Engineering, Slice thickness, Vacuum pressure, 04 agricultural and veterinary sciences, 02 engineering and technology, Microstructure, 040401 food science, Vacuum drying, 0404 agricultural biotechnology, 020401 chemical engineering, Water holding capacity, Zingiber officinale, 0204 chemical engineering, Physical and Theoretical Chemistry, Composite material, Ambient pressure
Abstract

Effects of vacuum pressure duration (t-VPD of 5, 10, 15, and 20 min), ambient pressure duration (t-APD of 3, 5, 7, and 9 min), drying temperature (60, 65, 70, and 75°C), and slice thickness (3, 5, ...

Published
2018

4. High-performance microwave absorption of flexible nanocomposites based on flower-like Co superstructures and polyvinylidene fluoride

Author

Xiaofang Liu, Penggang Yin, Tian-Yu Bai, Xiao-Juan Zhang, Jia-Kang Qu, Guocheng Lv, and Guang-Sheng Wang

Subjects
Materials science, Nanocomposite, General Chemical Engineering, Reflection loss, General Chemistry, Polyvinylidene fluoride, Hydrothermal circulation, Matrix (chemical analysis), chemistry.chemical_compound, chemistry, Nanocrystal, Composite material, Absorption (electromagnetic radiation), Microwave
Abstract

Flower-like Co superstructures were synthesized via a facile hydrothermal process at low temperature; then the flexible Co/PVDF nanocomposites were prepared by combining the Co nanocrystal with a polyvinylidene fluoride (PVDF) matrix. The Co/PVDF hybrids exhibit distinct microwave absorption properties in the range of 2–18 GHz. With filler loading of 25 wt%, the minimum reflection loss reaches −38.9 dB at 6.4 GHz as the thickness is 2.5 mm. The frequency bandwidth less than −10 dB covers from 4.64 to 10.56 GHz by adjusting the weight content from 15 wt% to 40 wt%. The possible microwave absorbing mechanism has been also discussed in detail.

Published
2015

5. Theoretical and Experimental Study on Radiant Models of Building Inner Surfaces

Author

Li Li, Tian Yu Bai, Jian Chang Chen, Liu Gen Lv, and Chen Huang

Subjects
Operative temperature, Materials science, Air volume, Gebhart factor, General Medicine, Mechanics, Mean radiant temperature, Radiation, Indoor air temperature, Heat flow, Radiant energy density
Abstract

A simultaneously solving model is established to predict inner surface temperature and indoor air temperature. The radiation of the model is set with direct radiant model, Gebhart radiant model and effective radiant model respectively. Under different heat flow and supply air volume, inner surface temperature and indoor air temperature are calculated by the model and compared with measured data. The research results show that Gebhart radiant model has same calculation accuracy with effective radiant model and it can reduce the amount of calculation.

Published
2014

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