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Investigations into the Trace element variations in Wheat grains by Hand held X-ray Fluorescence 手持x射线荧光法研究小麦籽粒中微量元素的变化
Pub Date : 2021-07-01 DOI: 10.12723/mjs.58.3
D. Joseph
Wheat of different genotypes was analyzed for their micro and macronutrient contents using HHXRF. It was found that K and Ca was present in significant quantities and besides other trace elements Fe and Zn were present showing a positive trend for crop improvement programme.
采用HHXRF对不同基因型小麦的微量元素和宏量元素含量进行了分析。结果表明,钾、钙含量显著,铁、锌等微量元素含量显著,对作物改良计划有积极影响。
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引用次数: 0
Planet Nine – Primordial Black Hole or a Dark Matter Object: A Comparative Study 第九大行星-原始黑洞或暗物质物体:比较研究
Pub Date : 2021-07-01 DOI: 10.12723/mjs.58.2
Arun Kenath, Kiren Othayoth Veetil, Sivaram Chandra
The study of Planet Nine has received a lot of attention of late. Recently it has been proposed that Planet Nine could be a Primordial Black Hole (PBH) lurking in our solar system. Earlier it was suggested by the present authors that Planet Nine could be degenerate object constituted mostly of dark matter (DM) particles, having their own distinct characteristic properties which were elaborated upon. Here we do a comparative study on whether the Planet Nine is a PBH or a DM Object, which would be relevant for future observations.
对第九行星的研究最近受到了很多关注。最近有人提出,第九行星可能是一个潜伏在我们太阳系中的原始黑洞(PBH)。早些时候,现在的作者提出,第九行星可能是一个主要由暗物质(DM)粒子组成的简并天体,具有自己独特的特性,并对此进行了详细阐述。在这里,我们对第九行星是PBH还是DM天体进行了比较研究,这将与未来的观测有关。
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引用次数: 0
On the Role of Nuclear Binding Energy in Understanding Cold Nuclear Fusion 论核结合能在理解冷核聚变中的作用
Pub Date : 2021-07-01 DOI: 10.12723/mjs.58.4
Satya Seshavatharam Utpala Venkata, Lakshminarayana Sreerama
The basic aim of this paper is to highlight the hidden energy source and understand the mechanism of the controversial and spectacular ‘cold nuclear fusion’ at nuclear energy scales. Following the concept of strong interaction, theoretically, fusion of proton seems to increase the binding energy of the final atom by 8.8 MeV. Due to Coulombic repulsion, asymmetry effect, pairing effect and, other nuclear effects, final atom is forced to choose a little bit of binding energy less than 8.8 MeV and thus it is able to release left over binding energy in the form of internal kinetic energy or external thermal energy. Thus, in cold fusion, heat release to occur, binding energy difference of final atom and base atom seems to be less than 8.8 MeV.
本文的基本目的是突出隐藏的能量来源,并了解在核能尺度上备受争议和壮观的“冷核聚变”的机制。根据强相互作用的概念,理论上,质子的聚变似乎使最终原子的结合能增加8.8兆电子伏特。由于库仑斥力、不对称效应、配对效应等核效应,最终原子被迫选择一点小于8.8 MeV的结合能,从而能够以内部动能或外部热能的形式释放剩余的结合能。因此,在冷聚变中,热释放发生时,最终原子与底原子的结合能差似乎小于8.8 MeV。
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引用次数: 0
Voice Biometric System - Authentication Over the Voice Command from Remote Place - A Case Study 语音生物识别系统-远程语音命令认证-案例研究
Pub Date : 2021-07-01 DOI: 10.12723/mjs.58.1
A. Hassan Khan M. K., A. P. S.
The entire globe has been focused on the security of the data system for the past decade. With every passing day, the requirement to secure virtual data becomes much more difficult. Professionals are exploring towards advanced techniques to secure the access to system infrastructure as the threat to key information such as customer data. Numerous cases are reported daily in which an unauthorized users and fraudsters gained illegal access to system and then used confidential data such as customer information and compromised them. Lakhs of rupees have indeed been lost as a result of this personification, as well as legal issues that are best avoided especially in the banking sector. For a firm, these occurrences frequently result in a decrease in market value and a loss of trust. Passwords, OTPs are no more secure.
在过去的十年里,整个世界都在关注数据系统的安全性。随着时间的推移,保护虚拟数据的需求变得越来越困难。专业人员正在探索先进的技术,以确保对系统基础设施的访问,作为对客户数据等关键信息的威胁。每天都有许多未经授权的用户和欺诈者非法进入系统,然后使用客户信息等机密数据并破坏这些数据的案例。由于这种人格化,确实损失了数以万计的卢比,以及最好避免的法律问题,特别是在银行业。对于一个公司来说,这种情况经常会导致市场价值的下降和信任的丧失。密码、otp不再安全。
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引用次数: 0
The Nonagenarian Neutrino 九十岁的中微子
Pub Date : 2021-01-05 DOI: 10.20944/preprints202101.0069.v1
C. Sivaram, Arun Kenath, Kiren Ov
December 4, 2020 marks 90 years since the concept of neutrinos was proposed as a consequence of the observed discrepancies in several experiments on radioactive decays of various isotopes. There have been great many developments in our understanding of this elusive particle over the past nine decades, also leading to several Nobel Prizes awarded to work on neutrino physics. But there are many aspects of the neutrinos that are still not completely understood, including even its actual rest mass. The neutrino still remains an enigma and we have yet to learn a lot about its different properties. This article summarises the overall picture of the current understanding of the neutrino, right from its inception.
2020年12月4日是中微子概念被提出的90周年纪念日,中微子的提出是由于在各种同位素的放射性衰变的几次实验中观察到的差异。在过去的90年里,我们对这种难以捉摸的粒子的理解取得了许多进展,也为中微子物理学的研究带来了几项诺贝尔奖。但是中微子的许多方面仍然没有完全被理解,甚至包括它的实际静止质量。中微子仍然是一个谜,我们还需要了解它的许多不同性质。这篇文章总结了目前对中微子的理解的总体情况,从它的开始。
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引用次数: 0
Long Term UV Continuum and Line Variability in NGC 1275 ngc1275的长期紫外线连续统和线变率
Pub Date : 2021-01-01 DOI: 10.12723/MJS.56.4
Bryan Rithesh Miranda, V. H. Doddamani, P. Vedavathi
In this paper, we present our results for the first time on long term emission-line and continuum variability studies using the International Ultraviolet Explorer’s final archive of UV spectroscopic data obtained in the wavelength region from 1150 A to 3200 A for NGC 1275, a dust dominated BL Lac characterized by the Rmax and  F-variance parameter. The UV continuum flux variability analysis presented in this paper covers more number of emission-line free continuum windows in the UV region centred at  1710 A, 1800 A, 2625 A, 2875 A & 3025 A. We have obtained a higher value of Fvar  ~ 45 % at 1710 A and a lower value of ~ 30 % at 1800 A for the IUE's observational period of 1978 - 1989. The Lyα, C IV, C III] and Mg II emission lines have been observed as weaker line features on fewer occasions intermittently.
本文首次利用国际紫外探测器(International Ultraviolet Explorer)在1150 ~ 3200a波段对NGC 1275进行了长期发射在线和连续变率的研究。NGC 1275是一个以Rmax和F-variance参数为特征的尘埃为主的BL Lac。本文提出的紫外连续通量变异性分析涵盖了以1710 A、1800 A、2625 A、2875 A和3025 A为中心的紫外区更多的无发射在线连续窗口。在1978 - 1989年的IUE观测期间,在1710a处Fvar值较高~ 45%,在1800a处Fvar值较低~ 30%。Lyα, civ, ciii]和mgii的发射谱线在较少的场合被观察到为较弱的谱线特征。
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引用次数: 0
On the Use of B-Splines as Ritz Variational Basis Functions to Solve the Schrodinger Equation (TISE) for a constrained free Quantum Particle 用b样条作为Ritz变分基函数求解约束自由量子粒子的薛定谔方程
Pub Date : 2021-01-01 DOI: 10.12723/MJS.56.2
N AnandaramMandyam
B-Splines as piecewise adaptation of Bernstein polynomials (aka, B-polys) are widely used as Ritz variational basis functions in solving many problems in the fields of quantum mechanics and atomic physics. In this paper they are used to solve the 1-D stationary Schrodinger equation (TISE) for a free quantum particle subject to a fixed domain length by using the Python software SPLIPY with different sets of computation parameters. In every case it was found that over 60 percent of energy levels had excellent accuracy thereby proving that the use of B-spline collocation is a preferred method.
b样条作为Bernstein多项式的分段改编,被广泛用作里兹变分基函数,用于解决量子力学和原子物理领域的许多问题。本文采用不同的计算参数集,利用Python软件SPLIPY求解具有固定域长度的自由量子粒子的一维平稳薛定谔方程(TISE)。在每种情况下,发现超过60%的能级具有极好的准确性,从而证明使用b样条搭配是首选方法。
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引用次数: 0
Bernstein Polynomials 伯恩斯坦多项式
Pub Date : 2021-01-01 DOI: 10.12723/MJS.56.5
Anandaram Mandyam N
Bernstein polynomials (aka, B-polys) have excellent properties allowing them to be used as basis functions in many applications of physics. In this paper, a brief tutorial description of their properties is given and then their use in obtaining B-polys, B-splines or Basis spline functions, Bezier curves and ODE solution curves, is computationally demonstrated.  An example is also described showing their application to solving a fourth-order BVP relating to the bending at the free end of a cantilever.
伯恩斯坦多项式(又名b -poly)具有优异的性质,可以在许多物理应用中用作基函数。本文首先对它们的性质作了简单的说明,然后用计算方法证明了它们在获得b多边形、b样条或基样条函数、Bezier曲线和ODE解曲线中的应用。还举例说明了它们在求解与悬臂梁自由端弯曲有关的四阶BVP中的应用。
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引用次数: 163
Characterization of Multiphase Polypyrrole/Vanadium Oxide Nano Composites for a.c. Conductivity and Dielectric Properties 多相聚吡咯/氧化钒纳米复合材料的电导率和介电性能表征
Pub Date : 2021-01-01 DOI: 10.12723/MJS.56.3
Nihal B. Kottan, Prajwal M. Laxmeesha, M. PurnachandraGaneshK, B. Chaluvaraju, M. Murugendrappa
Vanadium oxide: Phase-1 and Phase-2 nano powers were synthesized from vanadium pentoxide in the presence of glucose using hydrothermal technique. The polypyrrole/vanadium oxide (PV P-1 and PV P-2) nano composites were synthesized with 15, 30, 45 and 60 weight percents of vanadium oxide: Phase-1 and Phase-2 in pyrrole, by the chemical polymerization (oxidation) method. The SEM micrographs of vanadium oxide: Phase-1 and Phase-2 nano powders have shown  mixture of nano belts & rods and PV P-1 & PV P-2 nano composites indicate that the composites have cluster formation with almost spherical nature particles and form elongated chains at some places. Conductivity versus frequency  plots shown that exponential increase for conductivity. The value of s increases to 1.13x10-3 S/cm for 15 wt. % of VO2 P-1 in polypyrrole & to 2.43x10-3 S/cm for 30 wt. % of VO2 P-2 in polypyrrole at 1 MHz.
氧化钒:以五氧化二钒为原料,在葡萄糖的存在下,采用水热法合成了一相和二相纳米粉体。采用化学聚合(氧化)法制备了吡咯中1相、2相氧化钒的质量分数分别为15%、30%、45%和60%的聚吡咯/氧化钒(PV P-1和PV P-2)纳米复合材料。氧化钒:相1和相2纳米粉末的SEM显微图显示出纳米带和纳米棒与PV - P-1和PV - P-2纳米复合材料的混合,表明复合材料具有几乎球形的簇状结构,并且在某些地方形成伸长的链。电导率与频率的关系图显示电导率呈指数增长。在1 MHz时,当聚吡咯中VO2 P-1的重量为15wt . %时,s的值增加到1.13x10-3 s /cm;当聚吡咯中VO2 P-2的重量为30wt . %时,s的值增加到2.43x10-3 s /cm。
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引用次数: 0
On the Combined Role of Strong and Electroweak Interactions in Understanding Nuclear Binding Energy Scheme 强、弱电相互作用在理解核结合能表中的联合作用
Pub Date : 2020-11-19 DOI: 10.20944/preprints202011.0522.v1
Seshavatharam U V S, L. S
An attempt is made toa model the atomic nucleus as a combination of bound and free or unbound nucleons. Due to strong interaction, bound nucleons help in increasing nuclear binding energy and due to electroweak interaction, free or unbound nucleons help in decreasing nuclear binding energy. In this context, with reference to proposed 4G model of final unification and strong interaction, recently we have developed a unified nuclear binding energy scheme with four simple terms, one energy coefficient of 10.1 MeV and two small numbers 0.0016 and 0.0019. In this paper, by eliminating the number 0.0019, we try to fine tune the estimation procedure of number of free or unbound nucleons pertaining to the second term with an energy coefficient of 11.9 MeV. Interesting observation is that, Z can be considered as a characteristic representation of range of number of bound isotopes of  Z. 
人们试图把原子核模型化为束缚核子和自由核子或未束缚核子的组合。由于强相互作用,束缚核子有助于增加核结合能,而由于电弱相互作用,自由或未束缚核子有助于降低核结合能。在此背景下,我们参照4G最终统一和强相互作用模型,建立了一个统一的核结合能方案,该方案包含四个简单项,一个能量系数为10.1 MeV,两个小数字为0.0016和0.0019。在本文中,通过消除0.0019这个数字,我们试图微调属于能量系数为11.9 MeV的第二项的自由核子或未结合核子数的估计过程。有趣的观察是,Z可以被认为是Z的束缚同位素数目范围的特征表示。
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引用次数: 2
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Mapana Journal of Sciences
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