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应用数学与计算数学学报最新文献

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Advances in molecular mechanism of horticultural crops response to adversity stress 园艺作物逆境胁迫响应的分子机制研究进展
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0112956
Zizhuo Wang
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引用次数: 0
A mathematical model of fowl pox in a chicken farms with isolation and fumigation 采用隔离和熏蒸处理的鸡场鸡痘的数学模型
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0116359
M. Fadillah, D. Aldila
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引用次数: 0
Parkinson’s disease: Pathology and treatment 帕金森病:病理和治疗
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0113112
Ruoqing Jia
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引用次数: 0
Parameter estimation and statistical test on bivariate zero inflated Poisson Inverse Gaussian with exposure variable 带暴露变量的二元零膨胀泊松反高斯函数的参数估计与统计检验
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0115074
Ermawati, Purhadi, S. Rahayu
{"title":"Parameter estimation and statistical test on bivariate zero inflated Poisson Inverse Gaussian with exposure variable","authors":"Ermawati, Purhadi, S. Rahayu","doi":"10.1063/5.0115074","DOIUrl":"https://doi.org/10.1063/5.0115074","url":null,"abstract":"","PeriodicalId":56955,"journal":{"name":"应用数学与计算数学学报","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91258909","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
Intertwined relationship among ROS, mitochondria and APOE4 during the onset of Alzheimer's disease ROS、线粒体和APOE4在阿尔茨海默病发病过程中的相互交织关系
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0111737
Sihan Wang
{"title":"Intertwined relationship among ROS, mitochondria and APOE4 during the onset of Alzheimer's disease","authors":"Sihan Wang","doi":"10.1063/5.0111737","DOIUrl":"https://doi.org/10.1063/5.0111737","url":null,"abstract":"","PeriodicalId":56955,"journal":{"name":"应用数学与计算数学学报","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90111628","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
Comparison study using ARIMAX and VARX in cash flow forecasting ARIMAX与VARX在现金流量预测中的比较研究
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0118519
Christopher Andreas, Anifatul Faricha, S. M. Ulyah, R. Susanti, Hawwin Mardhiana, M. A. Nanda, Firman Adi R.
The economic crisis caused by the Covid-19 pandemic has made it difficult to achieve sustainable economic growth, which is one of the sustainable development goals. The great pressure on the economic sector caused most companies, including the banking sector, to experience cash flow problems. The ability to maintain a balance of cash flows during the pandemic is key for the banking sector to survive. It is very important to do a study that is able to create a model to forecast the value of cash flows in the banking sector. By having a model that is able to accurately predict the value of cash flows, the problem of cash flow difficulties can be avoided early on. In this case, the banking cash flows consist of the value of cash in to the office, the value of cash out of the office, the value of cash inflows from the e-channel, and the value of cash out of the e-channel at a bank in Indonesia. In addition, modeling is carried out by taking into account the effects of daily and holiday effects as exogenous variables. The results showed that two variables had a significant effect on the value of office cash flows. Meanwhile, the value of e-channel cash flow is only influenced by daily effects. By comparing the accuracy of the Autoregressive Integrated Moving Average with Exogenous Variable (ARIMAX) method and the Vector Autoregressive with Exogenous Variable (VARX) models, it is found that the value of cash in office, cash out of office, and cash out of e-channel provide predictive value which is more accurate with the ARIMAX model. On the other hand, the VARX model is more suitable for predicting the value of e-channel cash inflows. Thus, predictions of the value of bank cash flows can be made so that existing policies can be adjusted to support the banking sector in maintaining cash flow balance during the Covid-19 pandemic. © 2022 Author(s).
新冠肺炎疫情引发的经济危机，使作为可持续发展目标之一的经济可持续增长难以实现。经济部门的巨大压力导致大多数公司，包括银行部门，经历现金流问题。在大流行期间保持现金流平衡的能力是银行业生存的关键。这是非常重要的，做一项研究，能够创建一个模型来预测银行部门的现金流量的价值。有了一个能够准确预测现金流价值的模型，现金流困难的问题就可以及早避免。在本例中，银行现金流包括进入办公室的现金价值、从办公室流出的现金价值、从电子渠道流入的现金价值以及从印度尼西亚一家银行的电子渠道流出的现金价值。此外，通过考虑日常和假日效应作为外生变量的影响来进行建模。结果表明，两个变量对办公室现金流的价值有显著影响。同时，e渠道现金流的价值只受日常效应的影响。通过比较自回归外生变量积分移动平均(ARIMAX)方法与向量自回归外生变量(VARX)模型的准确性，发现在职现金值、离职现金值和e-channel现金流出值提供了预测价值，其中ARIMAX模型更准确。另一方面，VARX模型更适合于预测电子渠道现金流入量的价值。因此，可以对银行现金流价值进行预测，从而调整现有政策，以支持银行业在2019冠状病毒病大流行期间保持现金流平衡。©2022作者。
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引用次数: 1
The potential impact of gender and smoking-onset age on myocardial infarction 性别和吸烟年龄对心肌梗死的潜在影响
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0113559
Yi Zhang, Yueqi Ding, Chunyan Jiang, Qianxiang Shen
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引用次数: 0
Analysis of the COVID-19 virus: Conformation, treatments, and vaccine production COVID-19病毒分析:构象、治疗和疫苗生产
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0125290
Jianhao Zhang
In the year of 2020, COVID-19 pandemic threatened the safety of entire human race. The virus has incredibly strong ability to spread and mutate which quickly spread all over the world and resulted in a perhaps the most serious pandemic in human history. During the early stage of the pandemic there was no viable treatment or antibody, non-pharmaceutical has been carried out trying to contain the spread of the infection. Although right now, some tested vaccines have been distributed in multiple countries, the effectiveness the possible side effects of the vaccine are still waiting to be verified. Mankind still needs a certain amount of time to reach large-scale immunity and may even forever co-exist with this coronavirus. It took the entire world almost a year to develop effective vaccines against this virus. With such developed medical technologies, what makes it so difficult to develop a vaccine against the COVID-19 virus? What kind of virus exactly is COVID-19, and did we sum up any experience from this pandemic to deal with the next possible epidemic more efficiently? This article will explain these problems in a comprehensive and detailed way. © 2022 Author(s).
2020年，新冠肺炎疫情威胁到全人类的安全。这种病毒具有极强的传播和变异能力，迅速蔓延到世界各地，导致了人类历史上最严重的大流行。在大流行的早期阶段，没有可行的治疗方法或抗体，因此采取了非药物措施，试图遏制感染的传播。虽然目前，一些经过测试的疫苗已在多个国家分发，但疫苗的有效性和可能的副作用仍有待验证。人类还需要一定的时间才能达到大规模免疫，甚至可能永远与这种冠状病毒共存。全世界花了将近一年的时间才开发出对抗这种病毒的有效疫苗。在医疗技术如此发达的情况下，开发新冠病毒疫苗为何如此困难?COVID-19到底是一种什么样的病毒，我们是否从这次大流行中总结了任何经验，以更有效地应对下一次可能发生的流行病?本文将对这些问题进行全面、详细的阐述。©2022作者。
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引用次数: 0
Multi-parameter study on linguistic and semantic functions of Alzheimer's disease 阿尔茨海默病语言和语义功能的多参数研究
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0120833
Liyuan Zhu
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引用次数: 0
Some results of the non-coprime graph of a generalized quaternion group for some n 若干n的广义四元数群的非素图的一些结果
应用数学与计算数学学报
Pub Date : 2022-01-01 DOI: 10.1063/5.0114975
Nurhabibah, D. P. Malik, Hanna Syafitri, I. G. A. W. Wardhana
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引用次数: 5
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