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Linking key intervention timings to rapid declining effective reproduction number to quantify lessons

Zhihang Peng, Wenyu Song, Zhongxing Ding, Quanquan Guan, Xu Yang, Qiaoqiao Xu, Xu Wang, Yankai Xia

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 623-629 doi: 10.1007/s11684-020-0788-3

Abstract: Results showed that the effective reproduction number( ) in Wuhan, China increased almost exponentially

Keywords： COVID-19     epidemic control comparison     Chinese experience    

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Estimation of reproduction numbers of COVID-19 in typical countries and epidemic trends under different

Chen Xu, Yinqiao Dong, Xiaoyue Yu, Huwen Wang, Lhakpa Tsamlag, Shuxian Zhang, Ruijie Chang, Zezhou Wang, Yuelin Yu, Rusi Long, Ying Wang, Gang Xu, Tian Shen, Suping Wang, Xinxin Zhang, Hui Wang, Yong Cai

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 613-622 doi: 10.1007/s11684-020-0787-4

Abstract: We calculated basic reproduction number (R ) and the time-varying estimate of the effective reproductivenumber (R ) of COVID-19 by using the maximum likelihood method and the sequential Bayesian method, respectively

Keywords： reproduction number     SEIR model     COVID-19     estimate    

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What will the future hold for artificial organs in the service of assisted reproduction: prospects and

Mara Simopoulou, Konstantinos Sfakianoudis, Petroula Tsioulou, Anna Rapani, Polina Giannelou, Nikolaos Kiriakopoulos, Agni Pantou, Nikolaos Vlahos, George Anifandis, Stamatis Bolaris, Konstantinos Pantos, Michael Koutsilieris

Frontiers of Medicine 2019, Volume 13, Issue 6,   Pages 627-638 doi: 10.1007/s11684-019-0697-5

Abstract: Assisted reproduction provides a wide spectrum of treatments and strategies addressing infertility.the development of artificial organs with the aim to mimic the respective physiological functions in reproduction

Keywords： artificial ovary     artificial uterus     artificial gametes     assisted reproduction     considerations     in vitro    

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Medical applications of phytoestrogens from the Thai herb

Suchinda Malaivijitnond

Frontiers of Medicine 2012, Volume 6, Issue 1,   Pages 8-21 doi: 10.1007/s11684-012-0184-8

Abstract:

Pueraria mirifica Airy Shaw et Suvatabandhu is a medicinal plant endemic to Thailand. It has been used in Thai folklore medicine for its rejuvenating qualities in aged women and men for nearly one hundred years. Indeed, it has been claimed that P. mirifica contains active phytoestrogens (plant substances with estrogen-like activity). Using high performance liquid chromatography, at least 17 phytoestrogens, mainly isoflavones, have been isolated. Thus, fairly considerable scientific researches, both in vitro in cell lines and in vivo in various species of animals including humans, have been conducted to date to address its estrogenic activity on the reproductive organs, bones, cardiovascular diseases and other climacteric related symptoms. The antioxidative capacity and antiproliferative effect on tumor cell lines have also been assessed. In general, P. mirifica could be applicable for preventing, or as a therapeutic for, the symptoms related to estrogen deficiency in menopausal women as well as in andropausal men. However, the optimal doses for each desirable effect and the balance to avoid undesired side effects need to be calculated before use.

Keywords： white Kwao Krua     miroestrol     estrogenic activity     reproduction     osteoporosis     breast cancer     Alzheimer    

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Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 773-783 doi: 10.1007/s11684-021-0902-1

Abstract: The total number of cancer patients who are eligible for and will benefit from immune checkpoint inhibitorsThis cross-sectional study was conducted to estimate the number of Chinese cancer patients with eligibilityThe estimated number of eligible patients annually was 1 290 156 (55.18%), which included 888 738 malesThe estimated number of responders annually was 448 972 (19.20%), which included 309 023 males (20.88%hepatocellular carcinoma (n=277 100, 11.85%) were the top three cancer types with the highest number

Keywords： benefit     China     eligibility     immune checkpoint inhibitor     public health    

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Identification of structural parameters and boundary conditions using a minimum number of measurement

Ali KARIMPOUR, Salam RAHMATALLA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1331-1348 doi: 10.1007/s11709-020-0686-4

Abstract: This article proposes a novel methodology that uses mathematical and numerical models of a structure to build a data set and determine crucial nodes that possess the highest sensitivity. Regression surfaces between the structural parameters and structural output features, represented by the natural frequencies of the structure and local transmissibility, are built using the numerical data set. A description of a possible experimental application is provided, where sensors are mounted at crucial nodes, and the natural frequencies and local transmissibility at each natural frequency are determined from the power spectral density and the power spectral density ratios of the sensor responses, respectively. An inverse iterative process is then applied to identify the structural parameters by matching the experimental features with the available parameters in the myriad numerical data set. Three examples are presented to demonstrate the feasibility and efficacy of the proposed methodology. The results reveal that the method was able to accurately identify the boundary coefficients and physical parameters of the Euler-Bernoulli beam as well as a highway bridge model with elastic foundations using only two measurement points. It is expected that the proposed method will have practical applications in the identification and analysis of restored structural systems with unknown parameters and boundary coefficients.

Keywords： structural model validation     eigenvalue problem     response surface     inverse problems    

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Forecast method for used number of parts and components based on complex network

LIU Fu-yun, QI Guo-ning, YANG Qing-hai

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 479-484 doi: 10.1007/s11465-006-0064-5

Abstract: Applying directed complex network to model the main structure of a product family, according to in-degree bi-logarithmic coordinate distribution curve and distribution rule of nodes of the network, in-degree evolving rule of nodes of the network is presented and analytic expression of in-degree probability density of nodes is derived. Through the analysis of the relation between existing kinds of components and existing product numbers, an expression of the relation between kinds of components and product numbers is derived. A forecast method for the increment of component numbers and parts based on the increment of products is presented. As an example, the component numbers of an industrial steam turbine product family is forecasted, forecast result verified and forecast error analyzed.

Keywords： complex network     industrial     component     analytic expression     forecast    

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Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 412-418 doi: 10.1007/s11708-011-0163-9

Abstract: In this paper, the effect of cetane number (CN) improver on performance and emissions, including particulatenumber concentration and size distribution, of a turbocharged, common-rail diesel engine fueled withFurthermore, particle number concentration decreases and peak of size distribution profile shifts toward

Keywords： biodiesel     methanol     common-rail (CR) diesel engine     cetane number (CN) improver    

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involved in nitrogen cycling in wastewater treatment plants using DNA microarray and most probable number-PCR

Junqin PANG, Masami MATSUDA, Masashi KURODA, Daisuke INOUE, Kazunari SEI, Kei NISHIDA, Michihiko IKE

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0846-x

Abstract: genes in various processes of municipal WWTPs by employing two molecular-based methods:most probable number-polymerase

Keywords： DNA microarray analysis     Nitrogen cycling functional genes     Most probable number-polymerase chain reaction    

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MPC-based interval number optimization for electric water heater scheduling in uncertain environments

Jidong WANG, Chenghao LI, Peng LI, Yanbo CHE, Yue ZHOU, Yinqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 186-200 doi: 10.1007/s11708-019-0644-9

Abstract: In this paper, interval number optimization and model predictive control are proposed to handle the uncertain-but-boundedMoreover, the traditional thermal dynamic model of electric water heater is transformed into an interval numberthe day-ahead load scheduling problem with uncertain parameters is formulated, and solved by interval numberSimulation results demonstrate that interval number optimization either in day-ahead optimization or

Keywords： electric water heater     load scheduling     interval number optimization     model predictive control     uncertainty    

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An Axiomatic Definition of Degree of Greyness of Grey Number

Liu Sifeng,Li Yi

Strategic Study of CAE 2004, Volume 6, Issue 8,   Pages 91-94

Abstract:

In this paper, an axiomatic system for the definition of degree of greyness of grey number is builtbased on discussion with two definitions of degree of greyness of grey number which have been put forwardTaking axioms as the criterion for definition of degree of grayness of grey number, a new formula fornumber and the background or field which is brought about by the grey number.The degree of uncertainty of grey number is described scientifically, and some problems present in old

Keywords： grey systems     degree of greyness of grey number     measure     axiomatic definition    

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Study on the Multi-attribute Decision Model of Grey Target Based on Interval Number

Dang Yaoguo,Liu Sifeng,Liu Bin

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 31-35

Abstract: For this problem, present decision-makers often define an interval number to denote this index value,but none has studied the interval number decision model in grey target decision.In this paper, the interval number, the distance of m dimension interval number and its characteristicsnumber is proved, then, the method to normalize the interval number is developed., which extends the grey target decision model from real number sequence to interval number sequence

Keywords： interval number     grey target decision     model     application    

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Relationship between the number of tapping-induced secondary laticifer lines and rubber yield among

Yueyi CHEN,Xinsheng GAO,Xiaofei ZHANG,Weimin TIAN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 363-367 doi: 10.15302/J-FASE-2016122

Abstract: The number of the secondary laticifers in the trunk bark tissues is positively correlated with rubberrubber yield from 280 of 4–5 year-old virgin trees from 7 cross combinations was compared with the numberResults showed that the number of tapping-induced lines of secondary laticifers varied in different germplasm

Keywords： Hevea brasiliensis     rubber yield breeding     early evaluation     tapping     secondary laticifer differentiation    

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TODIM and TOPSIS with Z-numbers None

Renato A. KROHLING, André G. C. PACHECO, Guilherme A. dos SANTOS

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 2,   Pages 283-291 doi: 10.1631/FITEE.1700434

Abstract: The concept of Z-number as an ordered pair Z=(A, B) of fuzzy numbers A and B<

Keywords： Multi-criteria decision-making     TODIM     TOPSIS     Fuzzy number     Z-number    

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A numerical study of non-Darcy flow in EGS heat reservoirs during heat extraction

Wenjiong CAO, Wenbo HUANG, Guoling WEI, Yunlong JIN, Fangming JIANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 439-449 doi: 10.1007/s11708-019-0612-4

Abstract: flow rate and the initial thermal state of the reservoir were taken and the characteristic Forchheimer numberIf the calculated Forchheimer number is larger than 0.2, the fluid flow in EGS heat reservoirs experiences

Keywords： enhanced geothermal system     non-Darcy flow     heat extraction     Reynolds number     Forchheimer number    

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Title Author Date Type Operation

Linking key intervention timings to rapid declining effective reproduction number to quantify lessons

Zhihang Peng, Wenyu Song, Zhongxing Ding, Quanquan Guan, Xu Yang, Qiaoqiao Xu, Xu Wang, Yankai Xia

Journal Article

Estimation of reproduction numbers of COVID-19 in typical countries and epidemic trends under different

Chen Xu, Yinqiao Dong, Xiaoyue Yu, Huwen Wang, Lhakpa Tsamlag, Shuxian Zhang, Ruijie Chang, Zezhou Wang, Yuelin Yu, Rusi Long, Ying Wang, Gang Xu, Tian Shen, Suping Wang, Xinxin Zhang, Hui Wang, Yong Cai

Journal Article

What will the future hold for artificial organs in the service of assisted reproduction: prospects and

Mara Simopoulou, Konstantinos Sfakianoudis, Petroula Tsioulou, Anna Rapani, Polina Giannelou, Nikolaos Kiriakopoulos, Agni Pantou, Nikolaos Vlahos, George Anifandis, Stamatis Bolaris, Konstantinos Pantos, Michael Koutsilieris

Journal Article

Medical applications of phytoestrogens from the Thai herb

Suchinda Malaivijitnond

Journal Article

Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Journal Article

Identification of structural parameters and boundary conditions using a minimum number of measurement

Ali KARIMPOUR, Salam RAHMATALLA

Journal Article

Forecast method for used number of parts and components based on complex network

LIU Fu-yun, QI Guo-ning, YANG Qing-hai

Journal Article

Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Journal Article

involved in nitrogen cycling in wastewater treatment plants using DNA microarray and most probable number-PCR

Junqin PANG, Masami MATSUDA, Masashi KURODA, Daisuke INOUE, Kazunari SEI, Kei NISHIDA, Michihiko IKE

Journal Article

MPC-based interval number optimization for electric water heater scheduling in uncertain environments

Jidong WANG, Chenghao LI, Peng LI, Yanbo CHE, Yue ZHOU, Yinqi LI

Journal Article

An Axiomatic Definition of Degree of Greyness of Grey Number

Liu Sifeng,Li Yi

Journal Article

Study on the Multi-attribute Decision Model of Grey Target Based on Interval Number

Dang Yaoguo,Liu Sifeng,Liu Bin

Journal Article

Relationship between the number of tapping-induced secondary laticifer lines and rubber yield among

Yueyi CHEN,Xinsheng GAO,Xiaofei ZHANG,Weimin TIAN

Journal Article

TODIM and TOPSIS with Z-numbers

Renato A. KROHLING, André G. C. PACHECO, Guilherme A. dos SANTOS

Journal Article

A numerical study of non-Darcy flow in EGS heat reservoirs during heat extraction

Wenjiong CAO, Wenbo HUANG, Guoling WEI, Yunlong JIN, Fangming JIANG

Journal Article