Skip to main content

7 Result(s)

within Guoyuan Ma Remove this filter

and

  1. No Access

    Article

    Multi-threshold segmentation of grayscale and color images based on Kapur entropy by bald eagle search optimization algorithm with horizontal crossover and vertical crossover

    For multi-threshold segmentation of grayscale and color images, the computational complexity increases exponentially with the increase of the number of threshold levels. In this paper, we propose a new method ...

    Guoyuan Ma, **aofeng Yue, Juan Zhu in Soft Computing (2023)

  2. No Access

    Article

    Application of an improved sparrow search algorithm in BP network classification of strip steel surface defect images

    In this paper, the BP neural network optimized by an improved sparrow search algorithm is proposed (WLT-SSA-BP), which performs excellently in the classification task of strip steel defect images. In the curre...

    Guoyuan Ma, **aofeng Yue, Xueliang Gao, Fuqiuxuan Liu in Multimedia Tools and Applications (2023)

  3. No Access

    Article

    Characterization of Separation and Purification Technology and Identification of Taurine from the Bovine Liver

    The present study reports an effective method using cation exchange adsorption during the separation and purification of taurine from bovine liver. We use cation exchange method, crystallization and recrystall...

    Guoyuan Ma, Na Sun, Qunli Yu, Ling Han, Lei Wu, Hui Cao… in Food Analytical Methods (2018)

  4. Article

    Open Access

    MDM2 antagonist Nutlin-3a protects wild-type p53 cancer cells from paclitaxel

    The p53 pathway has an important role in cell cycle arrest and apoptosis. Downregulated levels of p53 have been shown to increase resistance to the cytotoxic effects of chemotherapy or radiotherapy. MDM2 (muri...

    HongChang Shen, Wei Dong, DongWei Gao, GuangHui Wang… in Chinese Science Bulletin (2012)

    Download PDF (801 KB)

  5. Article

    Open Access

    Investigation into the energy consumption of a data center with a thermosyphon heat exchanger

    A data center test model was used to analyze the energy dissipation characteristics and energy consumption of a data center. The results indicate that adequate heat dissipation from a data center cannot be ach...

    Feng Zhou, **n Tian, GuoYuan Ma in Chinese Science Bulletin (2011)

    Download PDF (762 KB)

  6. No Access

    Article

    Performance study on three-stage power system of compressed air vehicle based on single-screw expander

    A new compressed-air engine system based on three-stage single screw expander was proposed to improve the performance of power system. Three different structure styles were presented, and the studies on the po...

    Wei He, YuTing Wu, ChongFang Ma, GuoYuan Ma in Science China Technological Sciences (2010)

  7. No Access

    Article

    Air-source heat pump coupled with economized vapor injection scroll compressor and ejector: Design and experimental research

    Ejector can utilize high pressure energy from liquid mechanism, it can be used in heat pump system coupled with economized vapor injection (EVI) scroll compressor. When running under low temperature conditions...

    ShuXue Xu, GuoYuan Ma in Science China Technological Sciences (2010)