Jitendar kumar Sharma

Agriculture University Jodhpur · Plant Pathology

A study was carried out during winter (rabi) seasons of 2019-20 and 2020-21 at Agricultural Research Sub-station (Agriculture University, Jodhpur), Sumerpur, Pali, Rajasthan to find out the best novel fungicide for management of cumin blight. The experiment was laid out in a randomized block design (RBD) comprised of 10 treatments i.e. Four fungici...

In–doped ZnS nanoparticles are synthesized via chemical co-precipitation method using different precursor solutions of zinc acetate (source of Zn2+ ions), sodium sulphide (source of S2- ions), indium sulphate (source of dopant In3+ ions), ammonium hydroxide (works as a complexing agent) and EDTA (as a capping agent). The effect of different concent...

In past breathing mode and compressibility in even-even nuclide have been investigated using microscopic and macroscopic approaches but present paper, we statistically analyzed experimental data for first breathing mode excitations (0+) of the even –even nuclei lying in the mass region 12≤A≤250 . Statistical relationship between mass number (A) and...

Most of the industrial sectors of India have undergone major changes in the post-liberalization period. During this period, India has become self-reliant in drugs; however, still, 75% of the medical devices are imported in India. According to WHO, almost all devices present in the developing countries have been designed for use in the industrialize...

Fluorescent quantum dots (QDs) are potential candidates for bio-imaging but major problems in using them for bio-imaging applications are either bandgap lying in UV region or the cytotoxicity of the visible light-excited cadmium-based QDs. Keeping these things in mind, glutathione (GLT) functionalised Mn-doped ZnS QDs has been studied to make a des...

Chilli (Capsicum annuum L.) is popular vegetable widely grown in the tropics, which is mainly attacked by fruit rot incited by Colletotrichum gloeosporioide. All the isolates of C. gloeosporioide were collected from different location of south Gujarat region. Genetic diversity of ten C. gloeosporioides isolates from chilli fruits studied through mu...

The phenomenon of signature inversion observed in the \(\pi h_{11/2} \otimes\nu i_{13/2}\) band of 152Eu and 156Tb nuclides is revisited through the axially symmetric two quasiparticle plus rotor model approach. The magnitude of experimentally observed signature splitting and point of signature inversion, which could not be explicitly reproduced in...

Pigeon pea (Cajanus cajan L.) seeds mycoflora was studied and subsequently determine their effect on seed germination and seedling growth in pot condition. Seed sample were examined in agar plate and blotter method showed association of nine fungi belonging six genera i.e., Aspergillus niger, Aspergillus flavus, Fusarium oxysporum, Fusarium monilif...

Fluorescent ZnS:Mn quantum dots coated with hypro-mellose (HPMC) were synthesized by using simple and facile chemical precipitation technique in which HPMC acts as a novel organic surfactant to passivate the surface, to tune the optical properties and also to functionalize the surface of quantum dot for a futuristic controlled drug release applicat...

To know the field performance of selected phytoproduct, phytoextracts, fungicides and insecticide against powdery mildew disease the field experiment was conducted at N. M. College of Agriculture Farm during late Rabi season of the year 2014-15 and 2015-16. The results showed that hexaconazole @ 0.005% recorded highest per cent disease control (92....

The signature effects in total five Gallagher-Moszkowski (GM) doublets, three based on the \( K^{\pi} = 1^{-}\) ( ↑ ↓ ) , \( K^{\pi} = 6^{-} (\uparrow \uparrow):7/2[523]_{\pi} \otimes 5/2[642]_{\nu}\) configuration observed in 162 Ho, 164 Ho, 164 Tm nuclides and two based on the \( K^{\pi} = 1^{+} (\uparrow \uparrow)\) , \( K^{\pi} = 6^{+} (\uparro...

The signature splittings in K π = 1 +: 7 /2[404] π ⊗9 /2[624] ν , K π = 0−: 9 /2[514] π ⊗9 /2[624] ν bands of 180Ta and K π = 0−: 7 /2[404] π ⊗7 /2[503] ν , K π = 1−: 5 /2[402] π ⊗3 /2[512] ν , K π = 1+: 7 /2[404] π ⊗9 /2[624] ν bands of 182Ta are analysed within the framework of two-quasiparticle rotor model. The phase as well as magnitude of the...

In this work, pyridine-coated ZnS:Mn2+ core–shell quantum dots are synthesized through a simple soft chemical route, namely the chemical precipitation method and the effect of pyridine capping has been studied on the morphological and optical parameters of the quantum dots. Morphological properties are investigated through X-ray diffraction (XRD) a...

Background: World Health Organization (WHO) recommends the use of Xpert MTB/RIF assay for rapid diagnosis of tuberculosis (TB) and detection of rifampicin resistance. This systematic review was done to know about the diagnostic accuracy and cost-effectiveness of the Xpert MTB/RIF assay. Methods: A systematic literature search was conducted in fo...

Introduction: Cancer is reported to cause about 0.4 million deaths annually. The cost of diagnosis and treatment of cancer in India is enormous. Aim: This Health Technology Assessment (HTA) aims to understand the role, effect on mortality and adverse event occurrence, and cost effectiveness of phytomedicine in cancer treatment. Materials and Method...

PCN162 Mammography For Breast Cancer Screening In India – A Health Technology Assessment Kachroo K1, Sharma J2, Chahar A3, Dang A4, Ganji K4 1National Health System Resource Centre,Ministry of Health and Family Welfare,Government of India, New Delhi, India, 2National Health Systems Resource Center, Ministry of Health & Family Welfare, New Delhi, In...

In the present work, the structural and optical properties of Silica capped ZnS:Mn quantum dots (QDs) has been reported. Chemical precipitation technique was used to form the core–shell nanostructures. The results indicate that the Silica capped ZnS:Mn QDs has cubic Zinc Blende structure and its grain size is about 2 nm as demonstrated by X-ray dif...

The dielectric relaxation characteristics of polyetheretherketone (PEEK) irradiated with C5+ (70 MeV) ion, have been investigated in the temperature range 60-230 degrees as a function of poling temperature T-P (50, 100, 150, and 200 degrees C), poling field E-P (200, 300, 400, and 500 kV/cm), and storage time t(s) (2, 24, 48, and 120 h), using ther...

In this paper, we present an explanation of signature splitting observed in the one quasiparticle rotational band (7/2[633]ν) of 175Hf in terms of one particle plus rotor model (PRM) calculations. The role of angular momentum dependence of the inertia parameter and rotational correction term appearing in Coriolis mixing calculations to explain sign...

In this work, the functionalization of ZnS quantum dots using the thiol group of l-cysteine for different concentrations has been reported. Chemical precipitation method was used for the synthesis of nascent as well as l-cysteine functionalized ZnS quantum dots for optimized values of pH and molar concentrations of the precursors. Morphological stu...

In this paper we present the Particle Rotor Model calculations to explain energy staggering of one quasiparticle rotational band (9/2[624]ν) observed in 183Os. The role of angular momentum dependence of inertia parameter and rotational correction term appearing in coriolis mixing calculations for explanation of signature effects observed in one-qua...

Highly fluorescent ZnS capped CdSe quantum dots are very important for a particular biomedical or optoelectronic applications but to counter certain problems like core–shell size, solubility etc., ligand exchange concept is used. Pyridine's hole acceptor behaviour is very useful for different kind of ligand exchange processes and for any kind of li...

The dielectric relaxation behavior of thermotropic liquid crystal copolyester of 73% of p-hydroxy-benzoic acid (HBA) and 27% of 2-hydroxy-6-naphthoic acid (HNA) (Vectra-A) at poling temperature 80°C has been studied using thermally stimulated depolarization current (TSDC) technique in the temperature range from 15°C to 250°C. The TSD currents were...

The dielectric relaxation behavior of Polyetheretherketone (PEEK) has been investigated by using thermally stimulated discharge current (TSDC) technique. The dependence of TSDC characteristics of PEEK on poling temperature (TP) [50–200 °C], poling field (EP) [200–500 kV/cm], storage time (tS) [2–120 hrs] and various thicknesses 25 μm, 50 μm and 75...

In this paper, effect of visible region wavelengths on the optical parameters such as Oscillator Strength, Dipole moments, Einstein stimulated and Einstein spontaneous coefficients has been studied for pure ZnSe. The present study reflects the strong dependence of emission wavelengths on the optical parameters of ZnSe nanoparticles.

Glutathione capped quantum dots are a potential candidate for different applications like ligand exchange in living cells, cell imaging and detection of glucose levels. Keeping these in mind, glutathione capped ZnS quantum dots were synthesized by using the thiol group of the capping agent by chemical precipitation method. Morphological characteriz...

The calculation of the pressure generated by a controlled clearance piston gauge depends upon the jacket pressure corresponding to zero clearance between the piston and cylinder, P z ;. The dependence of P z ; on the viscosity of the pressure transmitting fluid, the temperature, and the rate of piston rotation has been measured. The value of P z ;...

In this paper, we present the effect of various parameters on the generated time resolved photoluminescent decay curves of ZnSe nanophosphors. FORTRAN‐77 subroutines are developed for this study. For the use of any type of nanophosphor in industry, three parameters are very important namely excited state lifetime, emission intensity and emission w...

In this article, fuzzy model has been identified to study the effect of refrigerant flow and condenser temperature on condenser superheat. Fuzzy model of two input variables, mass flow rate and condenser temperature, one output variable condenser superheat was developed to describe its significance in vapour compression air conditioning system. Ada...

A retropharyngeal abscess is an infection in one of the deep spaces of the neck. An abscess in this location is an immediate life-threatening emergency with potential for airway compromise and other catastrophic complications .In adults, retropharyngeal abscess can occur as a result of local trauma such as foreign body ingestion like fishbones

Myiasis in ENT, once a deadly disease still presents as a significant outdoor problem, though advances in management including supportive therapy has led to early healing with significant reduction in bed occupancy rate. To assess the clinico etiology, relationship of myiasis to habit and habitat of patients and to assess the changes in age, season...

In this paper, we report the fabrication of CdSe nanowires using electrochemical technique known as Template Synthesis with polycarbonate ion-track membranes having nanopores as templates, and their luminescent behavior. Scanning electron microscopy was used for morphological studies of CdSe nanowires. For optical studies, UV laser induced photolum...

Silver iodide nanowires have been fabricated using non-galvanic template synthesis technique. The effect of annealing on the laser induced photo luminescent behavior of silver iodide nanowires has been studied. It is established that due to annealing, emission wavelength of silver iodide nanowires change. In comparison with un-annealed nanowires, t...

Copper doped Calcium sulphide phosphors having variable concentrations of killer impurities Fe, Co and Ni have been synthesized and then using laser excitation of samples for there photoluminescence behaviour, their decay-curve analysis has been done. Various strong emissions in these phosphors have been detected and the corresponding excited state...

Doping is a widely used method to improve the electrical and optical properties of semiconductors. However synthesis route is also very important to get different type of nanostructures with different properties. Different types of ZnO nanostructures doped with Mn having variable doping concentrations by weight percentage have been synthesized in t...

Conventional control techniques are not able to accomplish the stable cooling in VCRS (vapour compression refrigeration system) of air conditioning system. This article describes the fuzzy modeling and simulation for intelligent control to regulate the opening area of expansion valve for better and stable refrigerant flow even in the presence of op...

Conventional control techniques are not able to accomplish the stable cooling in vapor compression air conditioning system. This paper describes the fuzzy models of refrigerating compressor, expansion valve, evaporator and condenser as basic elements of vapor compression air conditioning system. Compressor speed, delivery pressure, refrigerant flow...

Exogenous foreign bodies in the tracheo bronchial tree, are not uncommon particularly in children. Children who are not given proper individual attention at an early age are more liable to ingest or inhale foreign body. Complications are related to site, size, shape, nature and duration of foreign body. Foreign body aspiration is associated with si...

Nasal glioma, also known as glial heterptopia or the occurrence of isolated non - leratomatous glial tissue is a rare and benign congenital defect. This condition is diagnosed usually at birth time and requires early treatment to prevent facial deformations. We report here a case of extranasal glioma that was diagnosed and treated at the department...

Paper presents role of fuzzy modeling in heating, ventilating and air conditioning (HVAC) and control models. HVAC design professionals are required to evaluate numerous design alternatives and properly justify their final conceptual selection through modeling. This trend, coupled with the knowledge of experienced designers, increasing complexity o...

This paper presents fuzzy modeling of multi-input single output (MISO) control of vapour compression refrigeration cycles. Fuzzy model of two input parameters, mass flow rate, and evaporating temperature was developed to describe the significant dynamic of vapour compression cycles. To develop an effective model, fuzzy rule base was designed for MI...

Goldenhar syndrome, a term synonymously used with "oculo-auriculo-vertebral" [1] spectrum is a rare disorder that is apparent at birth. Described as early as 1950's it was initially comprised of malformation of ears and ocular abnormalities it was only in 1963 that vertebral abnormalities were included as signs of this syndrome. This work reports a...

Meningiomas of sinonasal tract is a rare entity especially in children. Primary sinonasal meningiomas often pose difficulty in diagnosis because of their infrequent occurrence and clinically they appear to be nasal polyp. The final diagnosis rests on the histological examination. Extra cranial meningiomas are rare in children and tend to be more ag...

Fuzzy modeling and mathematical analysis for the intelligent control of compressor in order to regulate refrigerant mass flow in vapour compression refrigeration system has been described. The compressor speed and delivery pressure are taken as input parameters and mass flow rate is considered as output parameter. To develop an effective model for...

In this paper, methods based on similarity analysis that can be applied to fuzzy models in order to obtain models of reduced complexity and qualitative properties depending on the purpose of the modeling exercise have been presented. The application of fuzzy modeling technique to fan-coil unit of an HVAC system has shown that the originally obtaine...

In this article, a fuzzy model is developed for intelligent ignition timing control of IC engines. It is well-known that the optimum ignition timing, which gives the Maximum Brake Torque (MBT) for a given engine design, varies with the rate of flame development and propagation in the cylinder. This depends, among other factors, on engine design and...

The extraction of fuzzy information from raw data is important and contains savings potential in industrial applications. A general approach to linguistic modeling based on fuzzy logic has been presented. A fuzzy inference algorithm or mechanism is necessary to use linguistic model. Such a mechanism enables computation of output value, given some i...

The extraction of fuzzy information out of raw data is very important and contains saving potential for science and engineering applications. The fuzzy models from this information can be used for different purposes in various applications because of their transparency. A number of techniques have been introduced to construct fuzzy models from emas...

A simple, sensitive and accurate oil manometer for measuring pressures in the range 10-10-2 Torr is described. The principle of deaeration of oil in vacuum is used for removing soluble vapour and gases from the oil. The readings on the manometer are compared with those of a McLeod gauge.

The extraction of fuzzy information out of raw data is very important and contains saving potential for science and engineering applications. The fuzzy models from this information can be used for different purposes in various applications because of their transparecy. A number of techniques have been introduced to construct fuzzy models from measu...

Describes the results of a comparison of pressure measurement between NPL and PTB using transfer pressure standards over the range of nominal applied pressure 0.4-4.0 MPa, carried out in October 1986 at the National Physical Laboratory, New Delhi. The transfer pressure standards used during the comparison are the piston gauges, NPL-4 with a nominal...

A variety of primary measurement techniques is available for the measurement of pressure to 1 MPa and above. To ascertain the systematic uncertainty, it is best to perform direct intercomparisons of primary instruments. When direct intercomparison is not possible, one can use a highly stable, reproducible transfer artifact such as a simple piston g...

This paper describes the characterization of the newly developed piston gauge pressure standard at the National Physical Laboratory (NPL), with particular reference to its fall rate, engagement length of the piston and the deceleration rate for the measurement of hydraulic hydrostatic pressure up to 60 MPa. The low pressure effective area of the ga...

AES and EELS are used to observe valence-band features of molybdenum in its pure state and after its oxidation and silicidation. The auto-ionization process is exploited in probing the d-band occupancy, as it is now manifested at higher energies that are accessible to AES and EELS. The increase in intensity of the auto-ionization feature in oxidize...

The Si LVV Auger lineshapes of the single-crystal Si(100) surface and the oxygen chemisorbed and clean TaSi2 surfaces are studied by observing the three Auger transitions that have different final states in the valence band. It is seen from the Si and Ta Auger fingerprints that both Si and Ta form oxides due to chemisorption of oxygen on the silici...

Electron energy loss spectroscopy (EELS) and Auger electron spectroscopy (AES) have been used to study the electron impact autoionization process in Ta2O5 and TaSi2. The role of d electrons in Ta during chemical bonding with oxygen and silicon is observed. A comparative study of low energy AES (0–50 eV) and EELS in TaSi2 with that of Ta2O5 and pure...

The paper describes the determination of melting pressure of mercury around 0°C using the volume method at the National Physical Laboratory. Also described are the details of the experimental set-up and the estimation of the uncertainty in the measurement of pressure. The equilibrium pressure in the flat region of the melting curve over which bulk...

We report here a systematic data analysis of the vapour pressure of argon at different amounts of the liquid phase to understand the thermodynamic behaviour of this inert gas around triple point. At the triple point plateau, the applied heat pulse melts a certain phase of solid argon into liquid and increases vapour pressure. It is observed that th...

The chemical bonding of contaminants like carbon and oxygen on the surface of Ta and TaâOâ films due to Ar{sup +} ion bombardment during sputter etching, has been studied using Auger electron spectroscopy and slow electron energy loss spectroscopy. Finger printing of C KLL peak shows that the energy separation between the major positive-going and n...

A systematic theoretical investigation has been carried out to study the effect of viscosity of the pressure-transmitting fluids on the measurement of pressure up to 1 GPa using piston gauges. The fluid flow equation is modified to determine the fall rate (v) with pressure (P), taking the pressure-dependent viscosityη(P) and clearance between pisto...

This paper describes the results of experiments concerning the effect of line pressure on the zero stability of the differential capacitance diaphragm manometers. It is observed that in capacitance manometers with single‐sided configuration, the zero shift value varies with different gases for a particular line pressure change and is directly propo...

The effect of the change in Ti 3d band occupancy, as Ti chemically binds with oxygen and silicon, on the Auger Spectra and Slow Electron Energy Loss Spectra has been monitored. Along with the changes due to shallow core levels, plasmon energies, etc., the spectral features that involve the quasiatomic transition [3p → 3d], are seen to manifest the...

The desorption of fluorine from barium fluoride thin films deposited on silicon substrate has been observed due to the incidence of electron beam during Auger electron spectroscopic (AES) studies. Slow electron energy loss spectroscopy (SEELS) has been employed to observe changes in core levels and color center formation. The desorption cross secti...

Auger electron Spectroscopy (AES) and slow electron energy loss Spectroscopy (SEELS) have been employed to study the electronic structure of Ti, TiSi2 and TiO2. The changes in the Auger and loss spectra when Ti chemically binds with silicon to form TiSi2 and with oxygen to form TiO2 have been understood as manifestations of changes in electronic pa...

In this paper a comparative study of two primary pressure standards viz. static and dynamic gas expander systems is reported. The two systems are compared by using spinning rotor gauges as the transfer standard in the pressure region of 6×10^-³ to 2×10^-¹ Pa. It is observed that if the pressure variation of...

The paper describes the results of a comparison of low‐pressure standards maintained at the National Physical Laboratory (NPL, India) and the Physikalisch Technische Bundesanstalt (PTB, FRG) over the range 10^-³–2 Pa. The intercomparison was carried out by employing spinning rotor gauges shipped with a novel transport device. B...

This paper describes in detail a method to study the conductance of a porous plug as a function of pressure in the range 0–1000 mbar and above. The decrease in pressure of gas leaking through the plug from a fixed volume is expressed in terms of a polynomial of nth degree in time. The conductance of the plug is shown to be constant for pressures be...

This paper describes the study of Auger and core‐level energy shifts measured for pure Si, Ti, and TiSi 2 by Auger electron spectroscopy (AES), slow electron energy‐loss spectroscopy (SEELS), and internal x‐ray photoelectron spectroscopy (IXPS). The Auger line‐shape changes in TiSi 2 are noted and the chemical shifts measured. The deep‐core‐level l...

The method of successive expansion first used by Elliott and Clapham [National Physical Laboratory (U.K.) Report No. MOM28, 1978] for measuring volume ratios of ∼100 has been shown to be feasible for measuring volume ratios of ∼2830 with uncertainties of ±0.15 % while using a capacitance manometer with a lower pressure range for measuring the final...

Deep core level electron energy loss studies on silicon surface by slow electron energy loss spectroscopy (SEELS) are reported. The 1s (K-shell) core electron loss energy has been observed for the first time using the SEELS technique on the (111) face of a single crystal of silicon and is found to be 1842 eV. This value for pure silicon is compared...

This paper describes the systematic studies carried out to characterize the controlled clearance piston gauge in the pneumatic pressure region up to 5.09 MPa by measuring its fall rate as a function of the jacket pressure (Pj) using different working fluids such as argon, nitrogen, helium, and hydrogen. It is also observed that a small ambient temp...

In this paper, a theoretical analysis of pressure distribution along the axial direction in a dynamic vacuum system with an oil diffusion pump is presented. Theoretical relationships between the measured pressure and different orientations of the gauge openings were derived by taking into account the gas beaming effect inside a test dome that is co...

A systematic study carried out to characterize the controlled clearance piston gauge in the pneumatic pressure region up to 5.09 MPa full-scale pressure using different working fluids such as argon, nitrogen, helium and hydrogen is described. The characterization was conducted/carried out by measuring the fall rate of the piston as a function of th...

The use of a porous plug for admitting gases in the molecular flow range is well known. In this paper, the authors deal with the transition flow region, for which the pressure of gas leaking through the plug is expressible in terms of a polynomial of nth degree in time unlike the simple exponential relation for the molecular flow region. The conduc...

Slow-electron energy-loss spectroscopic studies of the deep-core levels of the silicon (111) surface, in the reflection mode, are reported here. The 1s (K-shell) core-electron loss energy as observed for a silicon single crystal on the (111) face is 1842 eV. To support the above results the core loss energies of 2s and 2p electrons and the volume a...

This paper describes the calibration of a strain gauge transducer (700 MPa full scale) against a primary pressure standard (500 MPa full scale) maintained at the National Physical Laboratory (NPL), India, over a pressure range of 500 MPa. The calibration data obtained at the NPL are also compared with the calibration data taken at Istituto Di Metro...

This paper briefly describes the fundamental principles of the instruments used for accurate measurement of hydrostatic pressure and in particular the use of piston gauges as primary pressure standards. Different methods for the calibration of secondary standards have been discussed and in particular, emphasis has been given to the calibration of s...

The primary standards of pressures up to 500 MPa (controlled clearance piston gages) maintained by the National Physical Laboratory of India (NPL) and the Istituto di Metro