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Enhanced Rsa (Ersa): An Advanced Mechanism for Improving the security

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Intelligent Automation & soft Computing 2023年第5期36卷 2267-2279页

作者： s.Castro R.PushpaLakshmi Karpagam College of Engineering Coimbatore641032Tamil NaduIndia PsNA College of Engineering And Technology Dindigul624622Tamil NaduIndia

Cloud computing has become ubiquitous in our daily lives in recent *** are the source of technology that is generated hugely by various *** data is dealing with huge data volumes or complex *** major concern in big data is security *** concerns create a negative impact on the user on the aspect of *** big data still,security threats exist as com-monly known as DDOs(Distributed-Denial-of-service)attacks,data loss,Inade-quate Data Backups,system Vulnerabilities,and Phishing as well as social Engineering *** our work,we have taken the data loss and Inadequate Data Backups issues into *** analyze that RsA(Rivest,shamir,&Adleman)is the most secure cryptography *** cloud computing,user authentication is the weaker section to be ***,the cryptogra-phy mechanism is done in the authentication section *** implemented our new idea of registration with selected images and pins for processing *** valid authentication approval earned by the proposed mechanism,the user is allowed to use the cloud database,encryption,decryption,*** prove the efﬁ-ciency level of our proposed system,a comparison work is conducted between DssE(Digital signature standard Encryption)and EFssA(Efﬁcient framework for securely sharing aﬁle using asymmetric key distribution management).The experimental work is carried out and the performance evaluation is done using encryption time and decryption time analysis,throughput,and processing *** this observation,the security level attained by ERsA is far better in compar-ison to DssE and EFssA with the maximum throughput attained by the proposed E-RsA being 500 Mb/Min and encryption time of 3.2 s,thus ensuring the user trust in using the cloud environment.

关键词： Cloud computing encryption decryption ﬁle sharing RsA key generation

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重新找到最佳运行点

现代制造 2015年第27期 34-36页

作者： andreas Hahn

妨碍设备高效运转的因素很多，有些企业由于自身的成功必须迅速扩大生产能力，而另一些企业则因为经济不景气，设备无法实现经济运行（图1）。在东欧的一家炼油厂中，由于法律重新规定了燃料中的硫含量，设备对氢气（H2）的需求加大，... 详细信息

妨碍设备高效运转的因素很多，有些企业由于自身的成功必须迅速扩大生产能力，而另一些企业则因为经济不景气，设备无法实现经济运行（图1）。在东欧的一家炼油厂中，由于法律重新规定了燃料中的硫含量，设备对氢气（H2）的需求加大，最终导致氢气的需求量明显高于设计点。

关键词：最佳运行点扩大生产能力经济运行设备炼油厂硫含量需求量企业

An Analog of Einstein’s General Relativity Emerging from Classical Finite Elasticity Theory:Analytical and Computational Issues

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Communications in Computational Physics 2013年第8期14卷 801-818页

作者： C.Cherubini s.Filippi Nonlinear Physics andMathematicalModeling Lab University Campus Bio-MedicoI-00128Via A.del Portillo 21RomeItaly International Center for Relativistic Astrophysics-I.C.R.A. University of Rome“La Sapienza”I-00185 RomeItaly

The“analogue gravity formalism”,an interdisciplinary theoretical scheme developed in the past for studying several non relativistic classical and quantum systems through effective relativistic curved space-times,is here applied to largely deformable elastic bodies described by the nonlinear theory of solid *** the simplest nonlinear constitutive relation for the elastic material given by a Kirchhoff-st Venant strain-energy density function,it is possible to write for the perturbations an effective space-time metric if the deformation is purely longitudinal and depends on one spatial coordinate *** and numerical studies of the corresponding dynamics are performed in selected cases and physical implications of the results obtained are finally discussed.

关键词： Finite elasticity general relativity analogue gravity finite elements method

Impact of Land Degradation on soil Microbial Biomass and Activity in Northeast Brazil

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Pedosphere 2012年第1期22卷 88-95页

作者： J.s.NUNEs A.s.F.ARAUJO L.A.P.L.NUNEs L.M.LIMA R.F.V.CARNEIRO A.A.C.sALVIANO s.M.TsAI soil Quality Lab. Agricultural Science CenterFederal University of PiauíTeresinaPI(Brazil) Center of Nuclear Energy in Agriculture University of Sao PauloPiracicabaSP(Brazil)

Land degradation causes great changes in the soil biological *** process of degradation may decrease soil microbial biomass and consequently decrease soil microbial *** study was conducted out during 2009 and 2010 at the four sites of land under native vegetation(NV),moderately degraded land(LDL),highly degraded land(HDL) and land under restoration for four years(RL) to evaluate changes in soil microbial biomass and activity in lands with different degradation levels in comparison with both land under native vegetation and land under restoration in Northeast *** samples were collected at 0-10 cm *** organic carbon(sOC),soil microbial biomass C(MBC) and N(MBN),soil respiration(sR),and hydrolysis of fluorescein diacetate(FDA) and dehydrogenase(DHA) activities were *** two years of evaluation,soil MBC,MBN,FDA and DHA had higher values in the NV,followed by the *** decreases of soil microbial biomass and enzyme activities in the degraded lands were approximately 8-10 times as large as those found in the ***,after land restoration,the MBC and MBN increased approximately 5-fold and 2-fold,respectively,compared with the *** results showed that land degradation produced a strong decrease in soil microbial ***,land restoration may promote short-and long-term increases in soil microbial biomass.

关键词： land restoration microorganisms soil quality soil respiration

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同心协力,革故鼎新共塑可持续的制药业

流程工业 2023年第10期 22-24页

作者： andreas Mattern 星德科

制药行业通常被视为一个极特殊的行业——尽管新药极大地延长了患者的预期寿命,但突破性疗法的价格经常飙升到新的高度,同时其资源消耗远超其他行业。因此许多制药公司目前正在重新评估其工艺,并重点关注工艺的可持续性。通过不断探索... 详细信息

制药行业通常被视为一个极特殊的行业——尽管新药极大地延长了患者的预期寿命,但突破性疗法的价格经常飙升到新的高度,同时其资源消耗远超其他行业。因此许多制药公司目前正在重新评估其工艺,并重点关注工艺的可持续性。通过不断探索技术可行性的极限,技术供应商可以帮助他们实现可持续发展的宏伟目标,创造共赢且宝贵的协同效应。

关键词：制药公司技术供应商制药行业制药业资源消耗革故鼎新协同效应可持续性

Growth factor-and cytokine-driven pathways governing liver stemness and differentiation

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World Journal of Gastroenterology 2010年第41期16卷 5148-5161页

作者： Aránzazu sánchez Isabel Fabregat school of Pharmacy Complutense University 28040 Madrid Spain Bellvitge Biomedical Research Institute (IDI- BELL) and University of Barcelona Molecular Oncology Laboratory Hospital Duran i Reynals. Gran Via de Hospitalet 199 L' Hospitalet 08907 Barcelona Spain

Liver is unique in its capacity to regenerate in response to injury or tissue loss. Hepatocytes and other liver cells are able to proliferate and repopulate the liver. However, when this response is impaired, the contribution of hepatic progenitors becomes very relevant. Here, we present an update of recent studies on growth factors and cytokine-driven intracellular pathways that govern liver stem/pro-genitor cell expansion and differentiation, and the rel-evance of these signals in liver development, regeneration and carcinogenesis. Tyrosine kinase receptor signaling, in particular, c-Met, epidermal growth factor receptors or fibroblast growth factor receptors, contribute to prolifera-tion, survival and differentiation of liver stem/progenitor cells. Different evidence suggests a dual role for the trans-forming growth factor (TGF)-β signaling pathway in liver stemness and differentiation. On the one hand, TGF-βmediates progression of differentiation from a progenitor stage, but on the other hand, it contributes to the expan-sion of liver stem cells. Hedgehog family ligands are nec-essary to promote hepatoblast proliferation but need to be shut off to permit subsequent hepatoblast differentiation. In the same line, the Wnt family and β-catenin/T-cell fac-tor pathway is clearly involved in the maintenance of liver stemness phenotype, and its repression is necessary for liver differentiation during development. Collectively, data indicate that liver stem/progenitor cells follow their own rules and regulations. The same signals that are essential for their activation, expansion and differentiation are good candidates to contribute, under adequate conditions, to the paradigm of transformation from a pro-regenerative to a pro-tumorigenic role. From a clinical perspective, this is a fundamental issue for liver stem/progenitor cell-based therapies.

关键词： Hepatocyte growth factor Epidermal growth factor Fibroblast growth factor Transforming growth factor-β Hedgehog and β-catenin Liver stem cell

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借助模块化实现多样化应用

现代制造 2013年第41期 48-49页

作者： andreas LEU

移动式应用中新的模块化控制系统和可以任意配置的控制器能够实现特殊的、经济的自动化解决方案。对汽车和移动式工作设备生产厂家来讲,除创新力之外,及时将产品投放市场最具竞争力优势。要获得这种竞争优势,就要缩短自动化系统的研发时...

移动式应用中新的模块化控制系统和可以任意配置的控制器能够实现特殊的、经济的自动化解决方案。对汽车和移动式工作设备生产厂家来讲,除创新力之外,及时将产品投放市场最具竞争力优势。要获得这种竞争优势,就要缩短自动化系统的研发时间,同时不以牺牲系统的质量和安全可靠性为代价。自动化技术供应商Jetter公司研发的可任意配置的模块化控制系统就是一个最佳的典范。Jetter公司为移动式应用设备研发生产了一种新型模块化的控制系统,它满足了室外恶劣使用环境的应用要求,也适合于中小批量生产且无法得到合适的自动化控制解决方案的产品中使用。由于机

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Chinese Medicine Pattern Differentiation and Its Implications for Clinical Practice

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Chinese Journal of Integrative Medicine 2011年第11期17卷 818-823页

作者： Arthur sá Ferreira Agnaldo José Lopes Laboratory of Computational Modeling and simulation in Rehabilitation Program of Rehabilitation science Augusto Motta University Laboratory of Cardiopulmonar Analysis Rehabilitation science Postgraduation Program Augusto Motta University Laboratory of Respiratory Physiology State University of Rio de Janeiro

Chinese medicine practitioners apply the differentiation reasoning for decision-making. The wide scope of Chinese medicine intervention provides coverage of methods and techniques with applications to primary, secondary and tertiary levels of prevention. The rapid evolution of mathematical and computational techniques allowed the implementation of several models for pattern differentiation that were tested for several physiologic systems. Concurrently, it is argued that pattern differentiation might improve the efficacy of either traditional or conventional medical interventions. This article reviewed the influence of pattern differentiation into clinical practice organized by medical field： general pattern differentiation; genitourinary （recurrent cystitis）; cardiovascular （coronary heart disease; arterial hypertension; angina pectoris）; neurology （stroke）; surgery; metabolic （diabetes mellitus）; hepatic （cirrhosis）; gastrointestinal （chronic superficial gastritis）; orthopedic （low back pain; rheumatoid arthritis; cervical spondylosis; elbow arthritis）; oncology （gastric mucosal dysplasia; lung cancer）; gynecologic and obstetric manifestations （nausea and vomiting）. The reviewed studies presented achievements that have contributed to the integration of Chinese medicine and evidence-based medicine in the treatment of many mild and severe diseases. Target diseases considered as major public health problems were also investigated and the results are promising regarding the possibility to treat guided by pattern differentiation.

关键词： Chinese medicine-syndrome differentiation Chinese medicine preventive medicine rehabilitation "health care delivery"

EPQ models with bivariate random imperfect proportions and learningdependent production and demand rates

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Journal of Management Analytics 2021年第1期8卷 134-170页

作者： s.Ganesan R.Uthayakumar Department of Mathematics Government Polytechnic CollegeUsilampattiTamilnaduIndia Department of Mathematics The Gandhigram Rural Institute(Deemed to be University)GandhigramTamilnaduIndia

In this paper,three production inventory models are constructed for an imperfect manufacturing system by considering a warm-up production run,shortages during the hybrid maintenance period,and the rework of imperfect *** proportions of imperfect items produced during the warm-up and regular production runs are random and they are represented using a bivariate random *** shortage quantity is partially backordered and the supply of backorder quantity is planned simultaneously with regular demand *** learning models are designed to accommodate the different learning capabilities of workers in unit production time during warm-up and regular production *** production and demand rates of these models are made dependent on the learning *** the resulting models are highly nonlinear in the decision variable,they are optimized using a genetic *** models are illustrated using numerical examples and sensitivity studies are performed to find the influence of the key parameters.

关键词： production inventory imperfect manufacturing system bivariate imperfect proportions warm-up production maintenance rework learning genetic algorithm