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Channel Aware MAC Protocol with Rate Adaptation for MANET 信道感知MAC协议与速率自适应的MANET
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2013.2.1.754
G. Suseendran, E. Chandrasekaran
In Mobile Adhoc networks there will be a transient nature of channel conditions. Rate control is the process of switching data rates dynamically based on channel conditions. We propose a rate adaption algorithm. The channel condition information is given as the input to the Rate selection algorithm. Now with the channel condition information, each node uses the rate selection algorithm to calculate the most energy-efficient setting of PHY rates for all links in its maximum interference range.
在移动自组网中,信道条件具有瞬态性质。速率控制是根据信道条件动态切换数据速率的过程。提出了一种速率自适应算法。信道条件信息作为速率选择算法的输入。现在有了信道条件信息,每个节点使用速率选择算法为其最大干扰范围内的所有链路计算最节能的PHY速率设置。
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引用次数: 1
Determination of Alkali Content & Total Fatty Matter in Cleansing Agents 清洁剂中碱含量及总脂肪含量的测定
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2013.2.1.755
K. J. Betsy, Mary Jilu, Reshma Fathima, Jaya T. Varkey
Cleaning products play an essential role in our daily lives. By safely and effectively removing soil, germs and other contaminants, they help us to stay healthy, care for our homes and possessions, and make our surrounding more pleasant. Soap is a mixture of sodium salt of various naturally occurring fatty acids. Total alkali and fatty matter contents are the most important characteristics describing the quality of soap and it is always specified in commercial transactions. The main objective of the study is to determine the total alkali content and total fatty matter content of some commonly used toilet and washing soaps.
清洁产品在我们的日常生活中起着至关重要的作用。通过安全有效地去除土壤、细菌和其他污染物,它们帮助我们保持健康,照顾我们的家园和财产,并使我们的环境更加宜人。肥皂是钠盐和各种天然脂肪酸的混合物。总碱和脂肪物质含量是描述肥皂质量的最重要特征,在商业交易中经常被指定。本研究的主要目的是测定一些常用的盥洗皂和洗涤皂的总碱含量和总脂肪含量。
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引用次数: 17
A Secure Approach for Storing and Using Health Data in a Private Cloud Environment 在私有云环境中存储和使用健康数据的安全方法
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2013.2.1.743
K. Pullarao, K. Thirupathirao
Cloud computing is an upcoming technology in the field of IT industry. Cost reduction, speed processing, simple accessibility and scalability are the important features of cloud computing. Cloud is robust authentication and more secured technology and it spread in many areas like healthcare sectors in which storing patient information securely more important. The major issues involved in the cloud computing is data confidentiality, data sharing among geographical locations, storing data. This paper provides survey on privacy, security issues and a brief summary about opportunities in cloud. Also it provides a start-up of traditional medical scenario, problems in the current scenario, benefits by adopting cloud in e-health sector and issues arising during adoption of cloud in e-health domain. A methodology of private cloud Iaas is proposed for storing patient and health data in cloud environment.
云计算是IT产业领域的新兴技术。降低成本、快速处理、简单的可访问性和可扩展性是云计算的重要特征。云是一种健壮的身份验证和更安全的技术,它在许多领域得到了推广,比如医疗保健行业,在这些领域中,安全地存储患者信息更为重要。云计算涉及的主要问题是数据保密性、地理位置之间的数据共享、数据存储。本文对隐私、安全问题进行了调查,并简要总结了云计算的机遇。它还提供了传统医疗场景的启动、当前场景中的问题、在电子卫生部门采用云的好处以及在电子卫生领域采用云期间产生的问题。提出了一种用于在云环境中存储患者和健康数据的私有云Iaas方法。
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引用次数: 0
Analytical Expression of Effectiveness Factor for Immobilized Enzymes System with Reversible Michaelis Menten Kinetics 可逆Michaelis Menten动力学固定化酶体系有效因子的解析表达
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2015.4.1.910
J. Femila Mercy Rani, S. Sevukaperumal, Lakshmanan Rajendran
The mathematical model of immobilized enzyme system in porous spherical particle is presented. This model is based on a non-stationary diffusion equation containing a nonlinear term related to Michaelis-Menten kinetics of enzymatic reaction. A general and closed form of an analytical expression pertaining to the substrate concentration profile and effectiveness factor are reported for all possible values of Thiele modules φ andα . However, we have employed New Homotopy Perturbation Method (NHPM) to solve the nonlinear reaction/diffusion equation in immobilized enzymes system. Therefore, analytical results were found to be in an appropriate agreement with simulation result.
建立了多孔球形颗粒固定化酶体系的数学模型。该模型基于非平稳扩散方程,其中包含与酶促反应Michaelis-Menten动力学相关的非线性项。对于Thiele模块φ和α的所有可能值,报告了与底物浓度分布和有效因子有关的一般和封闭形式的分析表达式。然而,我们采用新同伦摄动法(NHPM)来求解固定化酶体系中的非线性反应/扩散方程。分析结果与仿真结果吻合较好。
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引用次数: 2
Growth of the Waste of Electrical and Electronics Equipment Generation in India 印度电子电气设备废弃物的增长
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2015.4.2.925
R. Jaikumar, R. Senthilkumar, S. Radhika
In this paper has deeply discussed and analysis with the Dumping of the Waste of Electrical and Electronics Equipments in public places , Growth of the WEEE and water resources are creating serious health hazards and unless and until it is controlled the reaction out of this world cause infection which would create a lot of disadvantage to the society . The major problem that the human race is facing now is the effects of the E-pollution caused by the waste of Electrical and Electronics Equipments. So, there should be a rule to prevent the people from damaging the ecosystem of our country to save nature to save people. The implementation of different ways for the prohibition of dumping WEEE should be sanctioned by the legal system. We should be activated by the Legal action to control the WEEE. An economic solution and different disiplinary are designed to achieve an optimal source to reuse and reduce the WEEE.
本文就公共场所废旧电器电子设备的倾倒、报废电子电气设备的增长和水资源对健康造成的严重危害进行了深入的探讨和分析,除非对其加以控制,否则会引起外界的反应,造成感染,给社会带来许多不利影响。人类现在面临的主要问题是由电子电气设备的浪费所造成的电子污染的影响。所以,应该有一个规则来防止人们破坏我们国家的生态系统,拯救自然,拯救人类。禁止倾倒废旧电子电气设备的不同方式的实施应得到法律制度的认可。我们应该以法律行动来激活对报废电子电气设备的控制。一个经济的解决方案和不同的学科设计,以实现最佳来源的再利用和减少报废电子电气设备。
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引用次数: 0
First-Principles Study of Dielectric Constant and Polarizability in Polydiacetylene Crystal 聚二乙炔晶体介电常数和极化率的第一性原理研究
Pub Date : 2021-04-22 DOI: 10.51983/ajsat-2018.7.1.1023
H. Omkar, H. Sreepad
First principles calculations based on Density Functional Theory have been done on Polydiacetylene. Its triclinic unit cell has been simulated. Band gap in case of this material comes out to be 0.75eV. This value is in the range exhibited by semiconducting materials. Dielectric constant and Polarizability of the material have been computed. The value of dielectric constant comes out to be 50.6, 59.6 and 44.6 along X, Y and Z axes respectively and its average value comes out to be 51.6. Polarizability comes out to be 33.7 (Å)3, 34 (Å)3 and 33.4 (Å)3 along X, Y and Z axes respectively with an average value of 33.7 (Å)3.
利用密度泛函理论对聚二乙炔进行了第一性原理计算。对其三斜胞进行了模拟。这种材料的带隙为0.75eV。该值在半导体材料所显示的范围内。计算了材料的介电常数和极化率。介电常数沿X、Y、Z轴分别为50.6、59.6、44.6,平均值为51.6。极化率沿X、Y、Z轴分别为33.7 (Å)3、34 (Å)3、33.4 (Å)3,平均值为33.7 (Å)3。
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引用次数: 0
Thermodynamic Study of Tetrafluoroethane (R134a) Based Vapour Compression Refrigeration System 基于四氟乙烷(R134a)的蒸汽压缩制冷系统热力学研究
Pub Date : 2020-05-05 DOI: 10.51983/ajsat-2020.9.1.1050
A. Wazeer, Vishwas Nagrath, Harshit Mishra, K. Dubey
Energy-Energy analysis of present vapour compression refrigeration system is done using isentropic fluid as refrigerants R134a.This thermodynamic analysis is carried out by 2nd law of thermodynamic approach in terms of COPII. The performance of the system both theoretical and actual experimental have been computed in summer condition. The results of proposed title explain the high-grade energy consumption by compressor with 1 TR of cooling effect. COPII indicates the actual energy output from the system in summer climate. Due to higher GWP and ODP of R22, R134a can be used for domestic / commercial and industrial applications.
采用等熵流体作为制冷剂R134a,对现有蒸汽压缩制冷系统进行了能量-能量分析。这种热力学分析是根据热力学第二定律在COPII的条件下进行的。在夏季条件下,对系统的理论性能和实际实验性能进行了计算。提出的题目的结果解释了1 TR制冷效果的压缩机的高等级能耗。COPII表示系统在夏季气候条件下的实际能量输出。由于R22具有较高的GWP和ODP,因此R134a可用于家庭/商业和工业应用。
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引用次数: 0
Negligible Protection of Pancreas by Topical Curcumin in Streptozotocin Induced Diabetic Wounded Rats 外用姜黄素对链脲佐菌素诱导的糖尿病损伤大鼠胰腺的保护作用可忽略不计
Pub Date : 2020-05-05 DOI: 10.51983/ajsat-2020.9.1.1052
V. Kant, Dinesh Kumar, Vijayta Gupta, B. Jangir
Damage or non-functioning of beta cells of Langerhans is lets of pancreas causes Type I diabetes. Curcumin, a bioflavonoid, have shown some tissue regenerative properties. It has shown a very good wound healing actions in diabetic animals after topical applications. In view of this, we planned to study the regenerative action of curcumin on damaged pancreas of diabetic rats after its topical applications on wounds. Damage of pancreas and induction of Type I diabetes in rats was achieved by single intraperitoneal injection of streptozotocin (60mg/kg b.wt.). Thereafter, open excisional wounds were created and wounded rats were divided into three groups viz. i) healthy control (non-diabetic), ii) Diabetic control and iii) Diabetic-treated. Pluronic F-127 gel (25%) was applied topically on wounds of group I and II once daily for 19 days. Curcumin (0.3%) in gel was topically applied similarly on group III. Average body weight gain was less and blood glucose levels were high in group II and III. There were also higher levels of MDA in group II and III. Histopathologically, atrophy and loss of intactness of beta cells of langerhans is lets in the pancreas were evident in group II and III, as compared to group I. In conclusion, topical applications of curcumin on wounds of diabetic rats did not able to prevent the damage of beta cells of the pancreas produced by single intraperitoneal injection of streptozotocin (60mg/kg b.wt.). In future, the other higher or lower concentrations of curcumin and their nano-formulations may be tried to evaluate the protective actions.
胰脏的朗格汉斯细胞受损或失去功能会导致I型糖尿病。姜黄素是一种生物类黄酮,具有一定的组织再生特性。外用后对糖尿病动物有很好的伤口愈合作用。鉴于此,我们计划研究姜黄素局部应用于创面后对糖尿病大鼠损伤胰腺的再生作用。单次腹腔注射链脲佐菌素(60mg/kg b.wt.),可致大鼠胰腺损伤并诱导I型糖尿病。创面切开创面,将创伤大鼠分为健康对照组(非糖尿病组)、糖尿病对照组和糖尿病治疗组。Pluronic F-127凝胶(25%)涂抹于ⅰ组和ⅱ组创面,每日1次,连用19天。III组局部应用姜黄素(0.3%)凝胶。II组和III组的平均体重增加较少,血糖水平较高。第二组和第三组的丙二醛水平也较高。与ⅰ组相比,ⅱ组和ⅲ组胰腺中β细胞明显萎缩和完整性丧失。总之,局部应用姜黄素治疗糖尿病大鼠伤口不能防止单次腹腔注射链脲佐菌素(60mg/kg b.wt.)对胰腺β细胞造成的损伤。今后,可以尝试其他更高或更低浓度的姜黄素及其纳米制剂来评价其保护作用。
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引用次数: 0
Use of WhatsApp Technology to Improve Understanding and Self Learning Ability of Engineering Students 利用WhatsApp技术提高工科学生的理解能力和自我学习能力
Pub Date : 2020-05-05 DOI: 10.51983/ajsat-2020.9.1.1048
R. D. Patil, B. Kabnure, Vishal R. Balwan
In today’s academic system teaching has become more difficult and learning becomes so far lagging in the students. The students are now resistive with the traditional teaching methods. Some of the difficult concepts cannot be taught by using Chalk and Talk method. So, use of ICT tools and innovative teaching learning pedagogy becomes essential in engineering colleges. But due to lack of sufficient time, all methods cannot be implemented. In this research, WhatsApp technology is used for better understanding and self-learning of the difficult concepts. The impact of this method on the understanding of the participants is also analyzed.
在今天的学制下,教学变得更加困难,学生的学习也变得滞后。学生们现在对传统的教学方法很抵触。有些困难的概念不能用粉笔和谈话的方法来教。因此,利用信息通信技术工具和创新的教学方法在工程院校中变得至关重要。但由于时间不够,所有的方法都无法实现。在本研究中,使用WhatsApp技术来更好地理解和自我学习困难的概念。分析了这种方法对参与者理解的影响。
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引用次数: 0
Chemical Synthesis of Cobalt Nanoparticles and Determination of its Minimal Inhibitory Concentrations and Minimal Bactericidal Concentrations against S. aureus and E. coli 纳米钴的化学合成及其对金黄色葡萄球菌和大肠杆菌最小抑菌浓度和最小杀菌浓度的测定
Pub Date : 2020-05-05 DOI: 10.51983/ajsat-2020.9.1.1051
Vijayta Gupta, Monika Bhardbaj, Annuradha Gupta, P. Verma, Vinay Kant
The indiscriminate usage of antibiotics in the past few years is one of the main reasons behind increased incidences of antimicrobial resistance. The development of potent antibacterial agents to combat this problem is the need of present era. In view of this, in present study, cobalt (Co) nanoparticles were chemically synthesized by standard method. The synthesized Co nanoparticles were tested against the S. aureus and E. coli bacterial strains, and the minimal inhibitory concentrations (MIC) and minimal bactericidal concentrations (MBC) values of Co nanoparticles were determined against these bacterial strains on the day of Co nanoparticles synthesis and after their storage for 30 and 60 days. The Co nanoparticles showed antibacterial actions against S. aureus and E. coli bacterial strains. The MIC values of fresh chemically synthesized Co nanoparticles in this study for S. aureus and E. coli were 140.0 μg/ml and 100.0 μg/ml, respectively. The MBC values of these nanoparticles for S. aureus and E. coli were 260.0 μg/ml and 220.0 μg/ml, respectively. The MIC and MBC values of Co nanoparticles increased on storage of its suspensions for 30 as well as 60 days. It might be considered as potent antibacterial candidate in future after some additional investigations.
过去几年滥用抗生素是造成抗菌素耐药性增加的主要原因之一。开发有效的抗菌剂来对抗这一问题是当今时代的需要。鉴于此,本研究采用标准方法化学合成了钴纳米颗粒。对合成的Co纳米粒子对金黄色葡萄球菌和大肠杆菌进行了抑菌试验,并测定了Co纳米粒子合成当天和保存30、60 d后对这两种细菌的最小抑菌浓度(MIC)和最小杀菌浓度(MBC)值。钴纳米颗粒对金黄色葡萄球菌和大肠杆菌均有抗菌作用。本研究新鲜化学合成的Co纳米颗粒对金黄色葡萄球菌和大肠杆菌的MIC值分别为140.0 μg/ml和100.0 μg/ml。这些纳米颗粒对金黄色葡萄球菌和大肠杆菌的MBC分别为260.0 μg/ml和220.0 μg/ml。Co纳米颗粒的MIC和MBC值随其悬浮液存放30天和60 d而增加。经过进一步的研究,它可能被认为是未来有效的抗菌候选者。
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引用次数: 1
期刊
Asian Journal of Science and Applied Technology
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