Science Discovery

Volume 10, Issue 2, April 2022

  • A Case Report of Fever and Severe Anemia Caused by Repeated Epistaxis

    Liu Chunguang, Bhushan Sandeep, Zhao Danxu, Shi Yun, Tu Yuan, Xu Xuejun, Xiao Zongwei

    Issue: Volume 10, Issue 2, April 2022
    Pages: 25-28
    Received: Mar. 18, 2022
    Accepted:
    Published: Mar. 23, 2022
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    Abstract: Objective: To explore the potential pathogenicity of epistaxis in routine diagnosis and treatment. Methods: The data of a patient with recurrent epistaxis and fever for more than 5 months were observed. Li Mou, a 21-year-old male patient complained epistaxis after digging his nose and was relieved after self-packing treatment before May. Due to the... Show More
  • Effect of Piston Bowl Geometry on Performances of a High Speed Diesel Engine

    Bin Wang, Hua Tian, Demin Jia, Xiaoyan Wang, Wuqiang Long

    Issue: Volume 10, Issue 2, April 2022
    Pages: 29-35
    Received: Feb. 27, 2022
    Accepted: Mar. 26, 2022
    Published: Mar. 29, 2022
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    Abstract: As one of the primary performances of the diesel engine, the special power can be promoted by increasing the speed or the indicated mean effective pressure. However, the diesel engine will not have enough time for fuel-air mixing and combustion under higher speed, so the excellent matching of injection-bowl is the main way to improve mixing and acc... Show More
  • Influence of Intrapartum Fever on Pregnancy Outcomes and Its Prevention and Treatment

    Cuihong Su, Fang Liu, Yan Zhang, Yuhong Hu, Ping Chen

    Issue: Volume 10, Issue 2, April 2022
    Pages: 36-40
    Received: Apr. 09, 2022
    Accepted:
    Published: Apr. 14, 2022
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    Abstract: Intra-partum fever usually complicates the delivery process, and its occurrence is often considered synonymous with chorioamnionitis. This inevitably leads to the use of antibiotics for the affected mother. A review of the literature suggests that this approach is not always appropriate. Most cases of intra-partum fever are secondary to non-infecti... Show More
  • Design and Practice of Underwater Steel Pipe Pile Cofferdam

    He Ming, Xu Quan-Biao, Chen Sheng-Xian

    Issue: Volume 10, Issue 2, April 2022
    Pages: 41-47
    Received: Apr. 09, 2022
    Accepted:
    Published: Apr. 14, 2022
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    Abstract: Based on a new pedestrian bridge project on Fuchun River in Hangzhou, this paper carries out special steel pipe pile cofferdam support design for its underwater pier cap during construction, analyses and studies several problems existing in the design of steel pipe pile cofferdam, carries out calculation and analysis according to two-dimensional an... Show More
  • Automated Extracellular Vesicles Extractor Based on Nanotechnology for High Throughput Sample Preparation and Phosphoproteomics Analysis

    Yuchen Yang, Hao Zhang, Yuhan Cai, Yajie Ding, Guiyuan Zhang, Yufeng Liu, Jie Sun, Weiguo Andy Tao, Yanhong Gu

    Issue: Volume 10, Issue 2, April 2022
    Pages: 48-59
    Received: Apr. 18, 2022
    Accepted:
    Published: Apr. 22, 2022
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    Abstract: Extracellular vesicles (EVs) play important roles in the diagnosis and treatment of diseases because of its lavish bioinformatic molecular contents. However, how to separate plentiful of extracellular vesicles in a short time with high consistency is still a problem. Here, we’d like to introduce an automated extracellular vesicles capturing machine... Show More
  • The Effect of Cognitive Behavioral Therapy on Neuropathic Pain: A Meta-analysis

    Ding Ning, Dong Anqin, Zhang Cuicui, Zhang Lingxi

    Issue: Volume 10, Issue 2, April 2022
    Pages: 60-67
    Received: Mar. 16, 2022
    Accepted: Apr. 15, 2022
    Published: Apr. 22, 2022
    DOI: 10.11648/j.sd.20221002.16
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    Abstract: Objective: A systematic review of the effectiveness of cognitive behavioral therapy (CBT) and traditional non-drug methods in the treatment of neuropathic pain and anxiety. Method: PubMed, Embase, Cochrane, PsycINFO, Wanfang Database (WANFANG), China Knowledge Network (CNKI), VIP (VIP) and China Biomedical Literature Database (CBM) were electronica... Show More
  • Occupational Health and Poisoning Risk Assessment at a Crude Oil Port

    Zhao Yun, Bao Jinling, Wei Yan, Chen Zhijun, Guo Jian

    Issue: Volume 10, Issue 2, April 2022
    Pages: 68-71
    Received: Apr. 18, 2022
    Accepted:
    Published: Apr. 22, 2022
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    Abstract: The throughput of crude oil port is huge, and there are many toxic substances in crude oil, and the cumulative contact effect of toxic substances is obvious because the single operation time of the crude oil port operators is long. The purpose of this study is to investigate the hazard status of crude oil port and evaluate the occupational health a... Show More
  • Research on Processing Technology of Laser Punching and Positioning on Stainless Steel Plate

    Pengfei Jiang, Yuanyuan Wu, Junyong Tang

    Issue: Volume 10, Issue 2, April 2022
    Pages: 72-75
    Received: Mar. 25, 2022
    Accepted: Apr. 19, 2022
    Published: Apr. 26, 2022
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    Abstract: The process of sample punching on the stainless steel plate can calibrate the position and effectively improve the development of accurate positioning in the subsequent process. The processing technology of laser punching not only satisfies the efficient work of laser equipment, but also realizes the function of sample punching positioning, which i... Show More
  • Research on Ion Distribution and Stoping Power for Au Ions Irradiation Si, SiC

    Yecheng Gao, Jiangcheng Cao, Hongtao Man

    Issue: Volume 10, Issue 2, April 2022
    Pages: 76-81
    Received: Apr. 26, 2022
    Accepted:
    Published: Apr. 28, 2022
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    Abstract: In order to predict the effect of heavy ion irradiation more accurately, the ion distribution and stoping power of Au irradiated silicon (Si) and silicon carbide (SiC) under various energy conditions were calculated by using SRIM program, and compared with the experimental values. It was found that the projeced range and divergence predicted by SRI... Show More
  • Legal Considerations on the Current Situation of Online Prescription Drug Sales

    Chang Jinfeng, Chen Yuan, Zhou Yinzi, Yao Jun

    Issue: Volume 10, Issue 2, April 2022
    Pages: 82-87
    Received: Apr. 26, 2022
    Accepted:
    Published: Apr. 28, 2022
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    Abstract: Online drug sales are booming nowadays, and online sales of some prescription drugs are no longer prohibited by law, following over-the-counter ones. Because of its particularity, prescription drugs must be used according to doctor’s prescription to ensure their safety.In order to explore the illegal aspects in the current online prescription drug ... Show More
  • Analysis of Invulnerability of China Railway Express Logistics Network Based on Node Importance

    Wang Nana, Shao Kaixuan

    Issue: Volume 10, Issue 2, April 2022
    Pages: 88-91
    Received: May 10, 2022
    Accepted:
    Published: May 12, 2022
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    Abstract: In order to study the weak links of the China-Europe freight train logistics network, the countries and cities along the route are counted, and the China-Europe freight train container logistics network is constructed, and a node importance analysis method is designed by combining the node degree and betweenness of the network. In this paper, rando... Show More
  • Study on Application of Recycled Red Brick Aggregate to Concrete Block

    Cheng Tsung Lu, Mu Qing Chen, Wan Qi Lin, Yun Er Zhang

    Issue: Volume 10, Issue 2, April 2022
    Pages: 92-98
    Received: May 10, 2022
    Accepted:
    Published: May 12, 2022
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    Abstract: Construction waste in Our country has a good recycling system, can carry out the production of various recycled building materials. In order to understand the availability of red brick in construction waste, the effect of the content of red brick in recycled aggregate on the physical properties and strength of recycled concrete is discussed to expl... Show More