Theoretical and Natural Science最新文献_第8页

Study of stellar properties under TESS satellite observations TESS 卫星观测下的恒星特性研究

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/43/20240956

Tian Tian

{"title":"Study of stellar properties under TESS satellite observations","authors":"Tian Tian","doi":"10.54254/2753-8818/43/20240956","DOIUrl":"https://doi.org/10.54254/2753-8818/43/20240956","url":null,"abstract":"This study employs data from the TESS satellite to investigate the properties of stars. TESS, the Transiting Exoplanet Survey Satellite, offers insights into star activity, periodic variations, and planetary transits by monitoring changes in stellar brightness. Our analysis of TESS data explores critical star attributes, including mass, luminosity, activity levels, and dynamic changes. By examining the relationship between these stellar properties and the presence of planets, we aim to uncover the intricate interplay between celestial bodies and unveil the universe's mysteries. This research encompasses data collection methods, processing techniques, and data analysis approaches, addressing star classifications, parameters, and periodic stellar activity. We also delve into flare energy, which reveals the energy released during stellar flares, and photoperiodic analysis, a tool for understanding periodic light changes in celestial bodies. The study concludes by highlighting the significance of newly discovered planets and the diversity of stars observed by TESS. It underscores the importance of comprehending the connections between stars and planets, shaping our understanding of celestial habitability. In summary, this study enriches our knowledge of star and planet properties, contributing to a broader comprehension of the universe. Through our analysis, we seek to illuminate the complex relationships between celestial entities and unveil the universe's enigmas.","PeriodicalId":341023,"journal":{"name":"Theoretical and Natural Science","volume":"13 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141802009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Eclipsing binaries and related photometry 食双星和相关测光

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/43/20240846

Yitang Chen

引用次数: 0

A momentum quantification method for tennis matches based on t-SNE and k means clustering 基于 t-SNE 和 k 均值聚类的网球比赛动量量化方法

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/39/20240611

Wenhao Shen, Runchen Zhao, Tianqi Bu, Yuhan Wu, Yanmei Jiao

{"title":"A momentum quantification method for tennis matches based on t-SNE and k means clustering","authors":"Wenhao Shen, Runchen Zhao, Tianqi Bu, Yuhan Wu, Yanmei Jiao","doi":"10.54254/2753-8818/39/20240611","DOIUrl":"https://doi.org/10.54254/2753-8818/39/20240611","url":null,"abstract":"Momentum is a crucial factor influencing the outcomes of sports competitions. This study proposes a method for visualising and quantifying momentum using various modern analytical techniques. These techniques include feature engineering, dimensionality reduction with the t-SNE algorithm, and k-means clustering. By analysing data from the past five years of Wimbledon, the study extracted various performance features such as serve success rate and scoring rate. By calculating the similarities between features and conducting cluster analysis, the study reveals changes in momentum during matches. This research employs data visualisation and clustering results to not only display the conditions of matches under different momentum states but also quantifies momentum changes by calculating the Euclidean distance between data points and cluster centroids and standardising these distances using the Z-score method. This approach provides a visual perspective that reveals the dynamic changes that occur within matches and quantifies momentum. It demonstrates that these changes in momentum can indeed reflect the progression and outcomes of matches.","PeriodicalId":341023,"journal":{"name":"Theoretical and Natural Science","volume":"50 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141798699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of DNA polymeraseon autism tasted by aflatoxin B1 DNA聚合酶对黄曲霉毒素B1自闭症的影响

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/44/20240830

Ziyi Dong

{"title":"The effect of DNA polymeraseon autism tasted by aflatoxin B1","authors":"Ziyi Dong","doi":"10.54254/2753-8818/44/20240830","DOIUrl":"https://doi.org/10.54254/2753-8818/44/20240830","url":null,"abstract":"Purpose: Since aflatoxins B1 can cause autism in mice by disrupting DNA repair and altering the stability of the genome, the study aims to see whether DNA pol alleviate autism tasted by AFB1, because of its DNA repair function. Whats more, the study would identify whether aflatoxins gene damage can be repaired by DNA polymerase . Methods: In this study, four groups of BTBR mice were selected. The positive group was normal BTBR mice, the other group was AFB1-infected mice, and the experimental group was AFB1-infected mice treated with DNA polymerase , the negative group was AFB1-infected mice which were treated with blank vector. RT-PCR was then used to detect changes in transcript levels as an indicator of whether DNA polymerase could be used to treat aflatoxins autism. Possible results: There are three main possible results: (1) DNA polymerase can cure autism completely. (2) DNA polymerase can cure autism partially. (3) DNA polymerase has no therapeutic effect on autism. Conclusion: The results will provide important insights into the treatment of autism with DNA polymerase . It will increase our understanding of DNA repair function to improve peoples understanding and improve human health. It also points a way to develop clinical treatments for people in autism with aflatoxins.","PeriodicalId":341023,"journal":{"name":"Theoretical and Natural Science","volume":"59 38","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141799481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A review on influenza A virus and relevant drugs 甲型流感病毒及相关药物综述

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/44/20240462

YeeNok Wong

引用次数: 0

Representation of coxeter group and orthogonal group 柯西特群和正交群的表示

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/43/20241036

Di Cai, Yiding Tian

引用次数: 0

Comparing the effectiveness of panitumumab combined with FOLFOX4 treatment in patients with colon cancer vs. rectal cancer 比较帕尼单抗联合 FOLFOX4 治疗结肠癌与直肠癌患者的疗效

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/45/20240785

Siyao Chen, Xiya Zhao, Haoyang Xu

{"title":"Comparing the effectiveness of panitumumab combined with FOLFOX4 treatment in patients with colon cancer vs. rectal cancer","authors":"Siyao Chen, Xiya Zhao, Haoyang Xu","doi":"10.54254/2753-8818/45/20240785","DOIUrl":"https://doi.org/10.54254/2753-8818/45/20240785","url":null,"abstract":"The greatest cause of cancer-related fatalities globally is colorectal cancer (CRC). Targeted therapies like panitumumab are revolutionizing its treatment. Our study focuses on the impact of KRAS and NRAS genotypes on the efficacy of panitumumab and also on the significance of tumor location (colon vs. rectum) in treatment outcomes. We selected a specific clinical trial (NCT00364013) for further statistical analysis. Our work adds to what has already been learned by showing that KRAS and NRAS genotypes are important for how well panitumumab works to treat CRC. Meanwhile, the P-value of 0.49 demonstrated that, in contrast to what we had previously believed, the tumor site had no significant impact on progression-free survival outcomes. Our research highlights the critical role of genotyping in personalized CRC therapy and raises questions about the established opinion that tumor location impacts therapy outcomes significantly. These findings may help CRC management move toward a more genotype-centric approach, optimizing therapies and reducing expenses. Nevertheless, future studies with more significant cohorts would be needed to confirm these findings, given the larger sample size.","PeriodicalId":341023,"journal":{"name":"Theoretical and Natural Science","volume":"40 27","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141800204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Interdisciplinary applications of finite group theory - From epidemic modeling to financial market analysis 有限群理论的跨学科应用--从流行病建模到金融市场分析

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/43/20240930

Xuedong Liu, Yuhan Wu, Hao Yin, Haoqian Zhao

引用次数: 0

Measurement of the starspots temperature on HATS-2 在 HATS-2 上测量星点温度

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/43/20240958

Fanlin Meng, Yifan Li, Ziao Zhou, Yi Zhang

引用次数: 0

Beneficial effects of extra virgin olive oil on type 2 diabetes 特级初榨橄榄油对 2 型糖尿病的益处

Theoretical and Natural Science Pub Date : 2024-07-26 DOI: 10.54254/2753-8818/44/20240922

Rixing Jiang

{"title":"Beneficial effects of extra virgin olive oil on type 2 diabetes","authors":"Rixing Jiang","doi":"10.54254/2753-8818/44/20240922","DOIUrl":"https://doi.org/10.54254/2753-8818/44/20240922","url":null,"abstract":"In contemporary society, chronic diseases become increasingly prevalent, among which is type 2 diabetes. Nowadays, daily diet is gaining growing attention and interest from the general public for its potential to prevent and improve these diseases. One of the ingredients highly recommended to be included in peoples diet is extra virgin olive oil (EVOO), since substantial evidence has shown that it is helpful in reducing body weight and the risk of obesity and type 2 diabetes. Consequently, this review paper is aimed at comparing EVOO with other types of oil or low-fat diets and summarizing its health benefits to type 2 diabetes by analyzing relevant parameters, including fasting blood glucose (FBG), insulin, glycated hemoglobin (HbA1c), body weight, Homeostatic Model Assessment for Insulin Resistance (HOMA-IR), etc. A systematic literature search was conducted using Google Scholar with the year range from 2010 to 2023. After being considered against the exclusion criteria, 8 articles were eventually included. Results showed that EVOO is associated with improving some risk factors of diabetes, leading to decreased blood glucose and greater short-term weight loss compared to low-fat diets, and resulting in more body fat loss compared to soybean oil. Thus, EVOO is now expected to be clinically used in treating type 2 diabetes in the future.","PeriodicalId":341023,"journal":{"name":"Theoretical and Natural Science","volume":"24 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141800590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0