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Indian Journal of Pure & Applied Physics最新文献

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Cost-effective Programmable Logic Arrays Using Multilayer Structures of Decoders in QCA Framework 采用QCA解码器多层结构的高性价比可编程逻辑阵列
Pub Date : 2022-09-30 DOI: 10.56042/ijpap.v60i10.63908
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引用次数: 0
Studies on the growth, optical, thermal and physical properties of an efficient second order nonlinear optical organic crystal: 2-amino-5-chloropyridinium-trifluoroacetate for optoelectronic and photonic device applications 用于光电和光子器件的高效二阶非线性光学有机晶体:2-氨基-5-氯吡啶-三氟乙酸的生长、光学、热学和物理性质研究
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.59681
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引用次数: 0
Medical oxygen a vital in Covid 19 pandemic: production techniques from natural to man-made 医用氧气在Covid - 19大流行中至关重要:从天然到人造的生产技术
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.63734
Shaun S Kumar, S. Mishra, M. Goswami, N. Singh, H. Siddiqui, S. Natarajan, M. Khan, A. Srivastava
Oxygen is the most important source for the survival of all living organisms. Our daily activities require energy and it comes from the food we consume when the oxygen present in our blood burns that food. The deficiency of oxygen disturbs the entire functioning of organs in the body. Around 50-80% of the natural oxygen production on Earth comes from the ocean. The oxygen production from ocean is the result of drifting plants, algae, and some bacteria that can photosynthesize. Oxygen has many applications like chemical processing, medical application, and many more. Different types of methods are available to produce oxygen at a considerable scale, e.g., cryogenic, pressure swing, electrochemical. In this article, we discuss the stepwise process of various methods to produce oxygen and the challenges associated with details. © 2022 National Institute of Science Communication and Information Resources (NISCAIR). All rights reserved.
氧是所有生物生存的最重要的来源。我们的日常活动需要能量,能量来自于我们消耗的食物,当我们血液中的氧气燃烧这些食物时。缺氧会扰乱身体各器官的全部功能。地球上大约50-80%的天然氧气来自海洋。海洋产生的氧气是浮游植物、藻类和一些可以进行光合作用的细菌的结果。氧有许多应用,如化学加工、医疗应用等等。不同类型的方法可用于在相当规模上生产氧气,例如,低温,变压,电化学。在这篇文章中,我们讨论了各种方法生产氧气的分步过程和相关的细节挑战。©2022国家科学传播与信息资源研究所(NISCAIR)。版权所有。
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引用次数: 0
Indigenous Development of Acoustic Sounder (SODAR) in India as an upgraded technology for Environmental Protection: A Review 作为环境保护升级技术的声波探测仪(SODAR)在印度的自主开发:综述
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.61862
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引用次数: 1
Investigation of Synthesis Methods and Dope Type Effect on Conductivity and Luminescence Properties for CeO2 Compounds CeO2化合物的合成方法及掺杂类型对其电导率和发光性能影响的研究
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.62495
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引用次数: 0
Influence of Calcium Substitution on Structural, Vibrational and Paramagnetic properties of Magnesium Ferrite 钙取代对铁氧体镁结构、振动和顺磁性能的影响
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.62368
Gurbinder Kour, Balwinder Kaur, Ajay Singh, A. Kumari, M. Arora
The environment friendly calcium substituted magnesium ferrite with composition MgCa x Fe 2-x O 4 (x = 0.00, 0.01, 0.03, 0.05, 0.07) synthesized by the conventional solid – state reaction powdered samples are studied for structural, vibrational and spin characteristics for chemical sensor application. XRD patterns with Rietveld refinement reveal partial inverse spinel structure of the prepared samples with tentative cation occupancy. The rietveld refinement is performed to know the cation occupancy in the prepared samples which could be further helpful to exploit these ferrite materials for different technological applications. The intensity of  Fe 3+ -O stretching vibrational peaks arising from tetrahedral (  1 ) and octahedral (  2 ) sites in IR transmittance spectra are composition and cation distribution sensitive. The presence of Ca 2+ /Mg 2+ /Fe 2+ ions is evidenced by the splitting of bands and shoulder peaks in IR transmittance spectra. The strong dipolar-dipolar interactions encourage broad asymmetric EPR derivative signal of Fe 3+ ions. The substitution of diamagnetic Ca 2+ dopant ions in lattice strengthens dipolar-dipolar interactions, broadens the resonance signal and higher g-values due to spin disorder (spin frustration).
研究了采用常规固相反应法制备的MgCa x fe2 -x o4 (x = 0.00, 0.01, 0.03, 0.05, 0.07)的环境友好型钙取代铁酸镁的结构、振动和自旋特性,并将其应用于化学传感器。经Rietveld细化的XRD图谱显示,制备的样品具有部分反尖晶石结构,并具有暂定的阳离子占位。通过rietveld细化来了解制备样品中的阳离子占比,这将进一步有助于开发这些铁氧体材料用于不同的技术应用。在红外透射光谱中,由四面体(1)和八面体(2)产生的fe3 + -O拉伸振动峰的强度对成分和阳离子分布敏感。在红外透射光谱中,Ca 2+ /Mg 2+ /Fe 2+离子的存在通过谱带和肩峰的分裂得到了证实。强的偶极-偶极相互作用促使fe3 +离子产生广泛的不对称EPR导数信号。抗磁性ca2 +掺杂离子在晶格中的取代增强了偶极-偶极相互作用,拓宽了共振信号,并由于自旋紊乱(自旋受挫)而提高了g值。
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引用次数: 0
Calibration of Type S Pt/Pt–Rh alloy thermocouples and Uncertainty Estimation S型Pt/Pt - rh合金热电偶校正及不确定度评定
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.64468
Patan Alper
Thermocouples are the most widely used thermometric sensors for different applications due to wide temperature range and high temperature measuring capability. They are simple temperature sensors and can be made in very small sizes to convert heat into electricity. Additionally, they are inexpensive and one of the highly durable thermometer types. The purpose of this article is to perform the calibration of thermocouples with the comparison method and to calculate the expanded uncertainty by determining the uncertainty parameters affecting the measurement.
热电偶由于具有宽的温度范围和高的温度测量能力,是应用最广泛的温度传感器。它们是简单的温度传感器,可以制成非常小的尺寸来将热量转化为电能。此外,它们价格低廉,是高度耐用的温度计类型之一。本文的目的是用比较法对热电偶进行校准,并通过确定影响测量的不确定度参数来计算扩展不确定度。
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引用次数: 0
Power Quality Improvement of a Fuel Cell-Powered Filterless Distributed Generation System Using Sinusoidal Pulse Width Modulation 利用正弦脉宽调制改善燃料电池供电无滤波器分布式发电系统的电能质量
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.60690
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引用次数: 3
High-Performance of Star-Photonics Crystal Fiber Based on Surface Plasmon Resonance Sensor 基于表面等离子体共振传感器的星光子晶体光纤的高性能研究
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.64411
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引用次数: 5
Gamma Passing Rate – Correlation with Patient Specific Quality Assurance Devices using Two Photon energies in Pelvic IMRT 伽玛通过率-在骨盆放射治疗中使用双光子能量与患者特定质量保证装置的相关性
Pub Date : 2022-08-30 DOI: 10.56042/ijpap.v60i9.55453
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引用次数: 0
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Indian Journal of Pure & Applied Physics
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