Science Discovery

Volume 10, Issue 3, June 2022

  • Research Progress of Virtual Reality Technology in Upper Limb Function Rehabilitation of Stroke Patients from the Perspective of "Metaverse"

    Min Liu, Shuang Deng, Dongfeng Wan, Yaping Zhu

    Issue: Volume 10, Issue 3, June 2022
    Pages: 99-104
    Received: May 16, 2022
    Accepted:
    Published: May 19, 2022
    DOI: 10.11648/j.sd.20221003.11
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    Abstract: As a new scientific and social phenomenon, "Metaverse" is an objective existence that cannot be ignored and must be faced. "Metaverse" is favored by many fields, such as the scientific and technological circles, industry and media circles. The development of "Metaverse" has brought new vitality to the scientific and technological progress of the me... Show More
  • Effect of Tobacco Use on Multimorbidity in Older Adults over 60 Years of Age

    Song Jia-rui, Cheng Xi

    Issue: Volume 10, Issue 3, June 2022
    Pages: 105-109
    Received: May 17, 2022
    Accepted:
    Published: May 19, 2022
    DOI: 10.11648/j.sd.20221003.12
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    Abstract: Background Under the background of population aging, the prevalence of comorbidity among the elderly in China is increasing. Tobacco use is one of the most important preventable risk factors for human health. Objective To explore tobacco use and the correlation between smoking and co-morbidities among older people aged 60 years or older in China, a... Show More
  • Research on the Current Situation of Top Scientific Research Talents in Meteorology in China Based on Bibliometric Analysis

    Wu Can, Yang Ping, Wang Zhiqiang

    Issue: Volume 10, Issue 3, June 2022
    Pages: 110-113
    Received: May 17, 2022
    Accepted:
    Published: May 19, 2022
    DOI: 10.11648/j.sd.20221003.13
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    Abstract: Accelerating the independent development of meteorological S&T and realizing the independent research and development of key core technologies urgently need a number of top scientific research talents. This paper first analyzes the current situation of top scientific research talents in meteorology of China, the result shows that the number of top ... Show More
  • Investigation of Occurrence and Distribution of Areca Palm Bacterial Diseases in Hainan Province, China

    Tang Qinghua, Wang Yuhang, Yu Fengyu, Huang Shanchun, Liu Shuanglong, Lin Zhaowei, Meng Xiuli, Song Weiwei, Qin Weiquan

    Issue: Volume 10, Issue 3, June 2022
    Pages: 114-119
    Received: May 17, 2022
    Accepted:
    Published: May 19, 2022
    DOI: 10.11648/j.sd.20221003.14
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    Abstract: Areca palm (Areca catechu L.) is one of the major palm species which are commercially grown in Hainan Province, China. Bacterial leaf stripe and bacterial leaf spot are two of the main factors restricting the sustainable development of the industry. Though they may burst in certain regions after violent typhoons strike Hainan Island, no reports reg... Show More
  • Monitoring System for Intelligent Power Distribution Room

    Lin Kequan, Chen Yingda, Chen Bin, Ou Yongtong, Chen Chongchen, Lin Junhong, Deng Ke

    Issue: Volume 10, Issue 3, June 2022
    Pages: 120-124
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.16
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    Abstract: There is a difference between the intelligent power distribution room and the traditional power distribution room, smart power distribution room can monitor the interior, including real-time monitoring and intelligent regulation of the internal equipment and working environment of the power distribution. At present, with the help of the power Inter... Show More
  • MTT Method for Detecting the Anti-tumor Effect of Polyporus umbellatus Steroids

    Zhang Hai-xiang, Hong Dong-feng, Zhao Xiang-rong, Wang Jin-ping, Guo Hua

    Issue: Volume 10, Issue 3, June 2022
    Pages: 125-131
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.17
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    Abstract: Polyporus umbellatus is a kind of medicine and food fungus, in addition to the main component of polysaccharides, steroid components are rich in content, good biological activity and small side effects, part of its efficacy has been widely used in the treatment of various diseases. To investigate the anti-tumor biological activity and pharmacologic... Show More
  • Analysis on Causes of Water Production from Horizontal Wells in the Early Stage of Development in Offshore X Block

    Du Weigang, Liu Xiaoqiang, Zhang Mi, Qian Xurui, Guan Liyong

    Issue: Volume 10, Issue 3, June 2022
    Pages: 132-137
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.18
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    Abstract: The offshore x block is a new exploration and development block, which is belongs to Shahejie Formation.In order to improve the development efficiency, batch drilling is applied. The horizontal well gravel packing + electric pump lifting completion process is adopted for unified completion. After the new wells are put into operation in batches, the... Show More
  • Key Points of Water Quality Inspection of Power Boiler

    Zhao Qing, Zhao Yong, Zheng Yi-xiang, Fang Mei-ling, Tan Xue-long, Bian Xin-ran

    Issue: Volume 10, Issue 3, June 2022
    Pages: 138-141
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.19
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    Abstract: Power boiler is an important equipment of the thermal power generating unit. At present, power station boiler is developing towards the direction of high parameters and large capacity. As the circulating blood of boiler, water vapor is paid more and more attention to the quality and the control is more and more strict. Because the water quality tes... Show More
  • Development Advantages and Variety Selection of Sweet Cherry in Xichang City

    Ni Dandan, Zhong Chuan, Ke Dan, Li Lina, Zhang Fuqiang, Li Kun, Yuan Tao, Chen Qinglin

    Issue: Volume 10, Issue 3, June 2022
    Pages: 142-145
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.20
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    Abstract: Xichang has a history of cherry cultivation for nearly 300 years. However, the main varieties of cherries planted are Chinese cherry, which has a single variety and a short and concentrated fruiting period, leading to fierce local homogenization competition and insignificant economic benefits, and farmers' planting intention decreases year by ... Show More
  • Study on Seismic Response Difference of RC Frame Under Excitation of Single and Bidirectional Strong Ground Motion

    Wang Zizhao, Gong Maosheng, Wang Kunyang

    Issue: Volume 10, Issue 3, June 2022
    Pages: 146-152
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.21
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    Abstract: In order to compare the difference of seismic response of RC frame structure under single and bidirectional strong ground motions, a 3-story RC frame structure is designed according to the Chinese seismic design code, and the structural seismic response is analyzed under the excitation of 4 sets of bidirectional strong ground motions by using OpenS... Show More
  • Study on Strain and Stress Monitoring of Seismic Isolation Bearings for Bridges

    Xiaoxing Xu, Yong Yuan, Wanran Zhao, Chen Liang, Shuqian Jin

    Issue: Volume 10, Issue 3, June 2022
    Pages: 153-159
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.22
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    Abstract: Laminated elastomer bearings are widely used in large bridges to adjust bridge deformation and ensure the safety of bridge structures. The stress and strain of the bridge bearing contain rich information, which can reflect the complex load conditions of the bridge structure. However, due to the large deformation range of the bridge bearing and the ... Show More
  • Mechanical Properties and Application Studies of the New High Damping Viscoelastic Damper

    Chen Liang, Yong Yuan, Xiaoxing Xu

    Issue: Volume 10, Issue 3, June 2022
    Pages: 160-167
    Received: May 31, 2022
    Accepted:
    Published: Jun. 01, 2022
    DOI: 10.11648/j.sd.20221003.23
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    Abstract: Restricted by the properties of viscoelastic materials, the energy dissipation capability of traditional viscoelastic dampers is poor, resulting in the need to use a larger number of dampers to achieve a certain damping effect in practical engineering. In this paper, a new viscoelastic material was developed. The damping properties of viscoelastic ... Show More
  • Distributed New Energy Remote Control Message Integrity Authentication Method Based on SM3

    Chen Yingda, Heng Xingchen, Ou Yongtong, Chen Chongchen, Lin Junhong, Deng Ke

    Issue: Volume 10, Issue 3, June 2022
    Pages: 168-172
    Received: Jun. 01, 2022
    Accepted:
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.24
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    Abstract: Distributed energy has the characteristics of wide geographical distribution. Fuoh-distributed energy needs to use various communication methods to access grid information exercise. For remote control and other key information, this information is vulnerable to third-party attacks, attacks can cause grid operations to malfunction. This paper propos... Show More
  • Improved Hydrogen Production by Overexpression of RphydC, RrhydA, CahydA in Rhodobacter sphaeroides HY01

    An Dan, Song Zi-lun, Su Zhen-hua, Wei Hao-wen, Xiang Ming-rui, Yin Yue

    Issue: Volume 10, Issue 3, June 2022
    Pages: 173-180
    Received: May 07, 2022
    Accepted: Jun. 06, 2022
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.25
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    Abstract: Hydrogen production yield of photosynthetic bacteria is low, which limits the development of the photo-fermentation. In order to solve this problem, We're trying to over-expression [FeFe]-hydrogenase in photosynthetic bacteria to improve its hydrogen production yield.[FeFe]-hydrogenase, from Rhodopseudomonas palustris CGA009 (RpHydC), Rhodospirillu... Show More
  • The Application and Development Trend of the Permaculture Under the Background of Rural Construction and Revitalization

    Li Xianglan, Zhong Chuan, Li Guoqing, Cai Mingjun, Ke Dan

    Issue: Volume 10, Issue 3, June 2022
    Pages: 181-185
    Received: Jun. 01, 2022
    Accepted:
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.26
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    Abstract: In order to solve the problem of rural environmental pollution, improve the construction of rural farms, promote the construction of beautiful countryside, in response to the national strategic policy of rural revitalization,and develop a green and coordinated economy in rural aeras. By collecting relevant data, this paper makes an analogy on the c... Show More
  • Vertical Cultivation Facilities of Pitaya and Their Popularization and Application

    Dai Fei, Wu Wei, Ke Dan, Li Lina

    Issue: Volume 10, Issue 3, June 2022
    Pages: 186-190
    Received: Jun. 01, 2022
    Accepted:
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.27
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    Abstract: Pitaya is a highly nutritious tropical fruit introduced from abroad,which has a unique flavor and rich nutrition. It is one of the emerging tropical and subtropical fruit trees and is deeply loved by consumers at home and abroad. In recent years, the high price of pitaya, great market potential and good economic benefits have led to the continuous ... Show More
  • Research Progress of Osteoporosis Drugs and Their Mechanism of Action

    Wenbo Hou, Xi Wang, Yanqin Lu

    Issue: Volume 10, Issue 3, June 2022
    Pages: 191-199
    Received: Jun. 09, 2022
    Accepted:
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.28
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    Abstract: Osteoporosis (OP) is a systemic bone metabolic disease characterized by decreased bone mass, decreased bone density and easy fracture. The number of osteoporosis patients in the world has exceeded 200 million, and the incidence rate has exceeded 25%, ranking the sixth most common and frequently-occurring disease in the world. At present, the method... Show More
  • Investigation and Analysis on Satisfaction of Smoke-Free Units in Sanya City

    Li Peng, Ma Di, Zhang Dong-xian

    Issue: Volume 10, Issue 3, June 2022
    Pages: 200-203
    Received: Jun. 09, 2022
    Accepted:
    Published: Jun. 09, 2022
    DOI: 10.11648/j.sd.20221003.29
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    Abstract: Objective: The construction of smoke-free units is the basis for achieving tobacco control for the whole people. To understand the satisfaction of smoke-free units construction in Sanya city, Hainan Province, analyze the influencing factors, and give countermeasures. Methods: A questionnaire survey was conducted on 176 party and government organs, ... Show More