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Journal articles on the topic 'Xray'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Natarajan, R. "Migration of Sodium in Feldspar by Electron Beam - An Experimental Study." Microscopy and Microanalysis 6, S2 (August 2000): 410–11. http://dx.doi.org/10.1017/s1431927600034541.

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Quantitative analysis of Na in minerals like feldspar in an Electron Probe Micro Analyser (EPMA) confronts two problems - the first one arising at the time of data acquisiton of Xrays of Na (say Kα) and the second one during conversion of measured xray intensity ratios into true concentration while using certain correction procedure The fall in the count rate of Na xray signals as a function of time under stationary electron beam in EPMA is quite well known. This was attributed to volatilization of Na during electron bombardment. Another explanation for this phenomenon has been that Na+ ions made mobile in the crystal lattice of feldspar by the electron beam, move away from the point of its impact. This results in the fall in the count rate of Na with a corresponding increase in me count rate of matrix element like Si, Al.

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2

Abeygunasekara, AM, S. Weerakoon, S. De Silva, and A. Gurusingha. "Bowel preparation before xray KUB." Ceylon Medical Journal 46, no. 4 (January 29, 2014): 162. http://dx.doi.org/10.4038/cmj.v46i4.6479.

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3

Ueda, Kousuke, Sinji Watanabe, Masahiro Yoshimoto, and Toshiaki Kawakami. "327. Evaluation of Xray CT Images." Japanese Journal of Radiological Technology 46, no. 8 (1990): 1298. http://dx.doi.org/10.6009/jjrt.kj00003322449.

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4

Sasakawa, Yasuhiro, Masaki Asahara, Hiroomi Sumida, Masami Katuragawa, and Setuo Nakase. "353. Xray shielding calculation with personalcomputer." Japanese Journal of Radiological Technology 48, no. 8 (1992): 1436. http://dx.doi.org/10.6009/jjrt.kj00003500749.

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5

Cai, Linbo, and Qing Xiao. "RTHP-17. APPLICATION OF EXACTRAC X-RAY IMAGE GUIDE SYSTEM IN STEREOTACTIC RADIOSURGERY FOR INTRACRANIAL NEURAL TUMORS IN PATIENTS AGED 3–14 YEARS." Neuro-Oncology 21, Supplement_6 (November 2019): vi213. http://dx.doi.org/10.1093/neuonc/noz175.888.

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Abstract OBJECTIVES To investigate the setup accuracy in stereotactic radiosurgery based on Exactrac Xray image guide system for intracranial neural tumors in patients aged between 3 and 14 years, and to discuss the related influence factors. METHODS Thirty seven patients with intracranial neural tumors, at the age of 314 years old, who were admitted to Guangdong Sanjiu Brain Hospital between March 2017 to January 2019 were enrolled in this study. After automatic setup with infrared markers, Exactrac Xray image guide system was applied to obtain the image of bilateral oblique intersection field, which were then registered with the field image digitally reconstructed with planning system, so as to obtain the translational errors in LAT (X), LNG (Y), VRT (Z) directions and the corresponding rotational errors. RESULTS After the positioning with Exactrac Xray image guide system and sixdimensional couch, the translational errors of all 37 patients in LAT, LNG, VRT directions were (0.26±0.13), (0.17±0.13), (0.15±0.11) mm, respectively, and the corresponding rotational errors were 0.21°±0.15°, 0.18°±0.15°, 0.18°±0.14°, respectively. The space vector error was (0.32±0.16) mm; translational errors were all less than 0.5 mm; rotational errors were all less than 0.5°. All of these errors were less than specified values and in accordance with the requirements of SRS. CONCLUSION Using Exactrac Xray image guide system and sixdimensional couch can remarkably improve the accuracy of SRS for intracranial neural tumors in patients aged 314 years. Exactrac Xray image guide system is worthy of application in the clinic.

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6

Maltagliati, M., L. Berti, C. Buizza, U. Besana, L. Rivolta, C. Gastaldi, A. Calori, et al. "Xray and US free calix puncture before PCNL (XUF PCNL). Comparison with standard Xray/US guided puncture." European Urology 79 (June 2021): S393—S394. http://dx.doi.org/10.1016/s0302-2838(21)00663-1.

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7

Tsutsumi, Suguha, Masaki Abe, and Hideki Endo. "99. Experiment of the Xray film scanner." Japanese Journal of Radiological Technology 50, no. 8 (1994): 1018. http://dx.doi.org/10.6009/jjrt.kj00003325902.

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8

Doroshenko, I. Yu, G. P. Podust, and V. Ya Degoda. "Luminescence of calcium hydroxyapatite at Xray irradiation." Reports of the National Academy of Sciences of Ukraine 1 (January 2020): 49–53. http://dx.doi.org/10.15407/dopovidi2020.01.049.

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9

Haschke, M., W. Scholz, U. Theis, J. Nicolosi, B. Scruggs, and L. Herzceg. "Description of a new Micro-XRay spectrometer." Journal de Physique IV (Proceedings) 12, no. 6 (July 2002): 83–96. http://dx.doi.org/10.1051/jp4:20020216.

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10

Kochmańska, Agnieszka, and Paweł Kochmański. "Structure of Intermetallic Al–Si Coating on Inconel 617." Materials Science Forum 782 (April 2014): 594–97. http://dx.doi.org/10.4028/www.scientific.net/msf.782.594.

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Nickel superalloy was coated by aluminide coatings by the slurry method. The slurry as active mixture containing aluminium and silicon powders, an activator and a binder. The coating were obtained by annealed in argon atmosphere. The structure of these coatings is two zonal and depends on time and temperature of producing. The phase composition was determined using following techniques: scanning electron microscopy (SEM) equipped with Xray microanalysis (EDS) combined with electron backscatter diffraction (EBSD) and Xray diffraction (XRD).

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11

Bozzini, G., M. Maltagliati, L. Berti, U. Besana, A. Calori, A. Cassani, B. Filippi, et al. "Xray and US free calix puncture before PCNL (XUF PCNL): a comparison with standard Xray/US guided puncture." European Urology Open Science 32 (October 2021): S43. http://dx.doi.org/10.1016/s2666-1683(21)00777-1.

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12

Hiraoka, Manabu, Masahiro Ozaki, Singo Sata, Mitsuru Yahata, and Yoshiki Hirao. "85. Development of New Console for Xray-CT." Japanese Journal of Radiological Technology 46, no. 8 (1990): 1059. http://dx.doi.org/10.6009/jjrt.kj00003322210.

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13

Monsi, Justin, Justine Saji, Keerthy Vinod, Liya Joy, and Jis Joe Mathew. "XRAY AI: Lung Disease Prediction Using Machine Learning." International Journal of Information Systems and Computer Sciences 8, no. 2 (April 15, 2019): 51–54. http://dx.doi.org/10.30534/ijiscs/2019/12822019.

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14

Mouroulis, Pantazis, Frank Hartley, Daniel Wilson, Victor White, Aidan Shori, Steven Nguyen, Min Zhang, and Martin Feldman. "Blazed grating fabrication through gray-scale Xray lithography." Optics Express 11, no. 3 (February 10, 2003): 270. http://dx.doi.org/10.1364/oe.11.000270.

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15

Takahashi, Hidekazu. "1-3. Large Area Sensors and Xray Sensors." Journal of The Institute of Image Information and Television Engineers 66, no. 3 (2012): 169–71. http://dx.doi.org/10.3169/itej.66.169.

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16

Ukita, Masaaki, kouichi Tanabe, Naoyuki Hori, and Shinichirou Ishida. "Image effect of QR. : Comparison with Xray FILM." Japanese Journal of Radiological Technology 53, no. 1 (1997): 162. http://dx.doi.org/10.6009/jjrt.kj00001355157.

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17

Romoli, Filippo, Estelle Mossou, Maxime Cuypers, Philippe Carpentier, Peter Van der Linden, Sax Mason, Daniele De Sanctis, Sean Mc Sweeney, and Trevor Forsyth. "Joint neutron/Xray cryocrystallography: developments for cryocooling experiments." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1214. http://dx.doi.org/10.1107/s2053273314087853.

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Cryo-cooling of protein crystals is not often used in neutron crystallography. However cryo-temperatures are used to block the reaction processes at specific intermediate stages, and this has been widely used in X-ray studies (1); (2). In order to develop this area for joint neutron/X-ray applications, trypsin was chosen as a suitable system for which its interaction with the substrate succinyl-Ala-Ala-Pro-Arg-p-nitro-aniline could be studied (3). Here the neutron developments were carried out in parallel with complementary X-ray techniques, and also using in crystallo UV-visible and Raman spectroscopy. Various strategies for doing this have been tested. The installation of an N2-gas-cryostream system on the D19 single crystal diffractometer at the Institut Laue Langevin (ILL) and the development of a new carboloop mounting system, has opened new avenues to perform cryo-cooling experiments using a neutron source. Preliminary data collection carried out at the ILL and at the European Synchrotron Radiation Facility (ESRF), have confirmed the feasibility of the approach. A full description of the experimental procedures and results will be presented. As part of this a new carboloop mounting system has been developed that is suitable for both X-ray and neutron data collection. These mounts resolve the problems of activation and hydrogen incoherent scattering in neutron experiments We describe the use of these and their advantages over conventional X-ray mounting systems - including compatibility with standard magnetic goniometer heads and resistance to cryogenic temperatures.

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18

Monsignori Fossi, B. C., and M. Landini. "The Xray-EUV spectrum of optically thin plasmas." Solar Physics 152, no. 1 (June 1994): 81–86. http://dx.doi.org/10.1007/bf01473187.

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19

Zhang, Hui, Jie Yao Song, and Jian Chao Zhan. "Fabrication of Magnetic Cenosphere Deposited with Fe₃O₄ Nanoparticles by Hydrothermal Method." Advanced Materials Research 750-752 (August 2013): 2021–25. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.2021.

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We prepared the magnetic cenospheres deposited with magnetite Fe3O4nanoparticles under hydrothermal conditions. The crystalline phase, magnetization properties, morphology, chemical composition and thermal stability of asobtained cenospheres are analyzed by Xray diffraction, vibrating sample magnetometer, scanning electron microscope, Xray energy dispersive spectroscope, transmission electron microscope, thermal gravimetric analysis and differential scanning calorimetry techniques. The results show that the inverse cubic spinel phase of Fe3O4nanoparticles with an average size 50 nm are synthesized, and synchronously deposited on cenosphere surface. As the thickness of Fe3O4coating increases, the saturation magnetization increases to some extent. The growth of Fe3O4nanoparticles can be controlled by adding ethanol to the reaction solution.

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20

Yiming, Yan, Ding Xunliang, and Wang Dachun. "A New X-Ray Lens and its Applications." Advances in X-ray Analysis 37 (1993): 507–14. http://dx.doi.org/10.1154/s0376030800016050.

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In the late 1980s, a new X-ray focusing system, X-ray lens, capable of adjusting and controlling high power, white X-ray beams, has been created. This X-ray lens can collect X-rays in a large angle range, increasing the utilization efficiency of an Xray source. It can focus X-rays into a small spot, improving X-ray power density 104 to 106 times when compared to the same source at the same distance without the focusing system. It can also transfer diverging X-ray beam to a nearly parallel one. These properties make the focusing system potentially useful in many Xray applications.

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21

Panick, G., H. Herberhold, Z. Sun, and R. Winter. "Heat, Cold and Pressure Induced Denaturation of Proteins." Spectroscopy 17, no. 2-3 (2003): 367–76. http://dx.doi.org/10.1155/2003/236294.

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We studied the pressureinduced unfolding and refolding of monomeric proteins, such as SNase, αchymotrypsin and ubiquitin, by using synchrotron Xray smallangle scattering and Fouriertransform infrared spectroscopy, which monitor changes in the tertiary and secondary structural properties of the proteins upon pressurization. Furthermore, by using the pressurejump relaxation technique in combination with timeresolved Xray diffraction and infrared spectroscopy, the kinetics of the unfolding/refolding of the proteins, was investigated. Significant differences in secondary structure and chain compactness in the folding/unfolding reactions of these proteins are observed. The results are compared with data obtained from other methods of denaturation, such as heat and pressure-assisted cold denaturation. The cold- and pressure-induced unfolding both yield a particularly unfolded state characterized by a persistent amount of secondary structure.

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22

Lecamwasam, S., and S. Liyanarachchi. "Gas under the diaphragm in xray film may mislead." Ceylon Medical Journal 47, no. 3 (August 25, 2011): 101. http://dx.doi.org/10.4038/cmj.v47i3.3442.

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23

Takahashi, Nanao, Masako Nakagome, Keiichi Machida, and Shigemitsu Izumi. "444. Research of Xray-Tube Life for CT-scanner." Japanese Journal of Radiological Technology 46, no. 8 (1990): 1415. http://dx.doi.org/10.6009/jjrt.kj00003322566.

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24

Kunito, Yukie, Kazuchi Shikano, Tomoo Sakurai, Kouichi Matsuo, Syoji Shimodaira, and Hideo Okamoto. "89. Comparison of Artifacts [Shading] of Xray-CT machines." Japanese Journal of Radiological Technology 48, no. 8 (1992): 1174. http://dx.doi.org/10.6009/jjrt.kj00003500487.

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25

Kien, Pham Trung, Le Ngoc Long, Kieu Do Trung Kien, Nguyen Dinh Quan, and Do Quang Minh. "CHARACTERISTICS OF SILICA COATING ON COPPER SUBSTRATE USING COCONUT OIL AS A DISPERSION MEDIUM." Vietnam Journal of Science and Technology 57, no. 3A (October 28, 2019): 112. http://dx.doi.org/10.15625/2525-2518/57/3a/13958.

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The object of this study is to develop an easy and simple technique to fabricate the coating solution of Vietnam rice hush ash-derived water glass (VRHA-WG) and Vietnam coconut oil (VCO). The coating solution with different mixing ratio of VRHA-WG and VCO such as 1: 5 and 1:10 (v/v) can be coated on copper substrate. After coating, the substrate are heated at 500oC for 2 hours to enhance the adherence of silica layer and substrate. The characterization of the coating layer are studied by Xray Diffaraction (XRD) and Xray Fluorescence (XRF) while the surface morphology of the substrate before and after coating is study be scanning electron microscope (SEM). Electricity resistant of the substrate after coating increase up to 33.33% compare without coating.

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26

Aechter, Bernd, Kurt Polborn, Volker Weinrich, and Wolfgang Beck. "p-Tolyl(trimethylsilylethynyl)sulfone as Synthon for the Synthesis of Cp(OC)2M-C =CSiMe3 (M ≡ Fe, Ru). Molecular Structure of Cp(OC)2Fe-C ≡ CSiMe3." Zeitschrift für Naturforschung B 54, no. 5 (May 1, 1999): 701–4. http://dx.doi.org/10.1515/znb-1999-0521.

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27

Sulcová, P., P. Bystrzycki, L. Válek, and M. Trojan. "Synthesis and characterization of the Bi2-xHox/2Zr3x/8O3 compounds." Journal of Mining and Metallurgy, Section B: Metallurgy 47, no. 2 (2011): 105–12. http://dx.doi.org/10.2298/jmmb110315009s.

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A series of novel environmentally inorganic pigments based on Bi2O3 doped by metal ions such as Zr4+ and Ho3+ have been developed and characterized using of methods of thermal analysis, Xray powder diffraction and CIE L

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28

Popczyk, Magdalena, Julian Kubisztal, and Antoni Budniok. "Electrodeposition and Thermal Treatment of Nickel Coatings Containing Molybdenum and Silicon." Materials Science Forum 514-516 (May 2006): 1182–85. http://dx.doi.org/10.4028/www.scientific.net/msf.514-516.1182.

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Ni+Mo+Si coatings were obtained by electrolytic codeposition of crystalline nickel with molybdenum and silicon powders from an electrolyte containing suspension of these powders. These coatings were obtained in galvanostatic conditions, at the current density of -0.100 A cm-2. Thermal treatment of these coatings in argon atmosphere was done at temperature of 1100oC for 1 hour. A scanning electron microscope was used for surface morphology characterization of the coatings. Chemical composition of obtained coatings was determined by Xray fluorescence spectroscopy method and phase composition investigations were conducted by Xray diffraction method. It was found that introduction of molybdenum and silicon into nickel matrix, causes of obtained coatings about very rough surface. Thermal treatment of these coatings influenced their surface. The surface after thermal treatment is more compact and less rough than the as-deposited one.

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29

Amer, Adel, Andrea Mayer, Douglas Ho, and Hans Zimmer. "Notizen: On the Structure of t-Butylaminotriphenylphosphonium Iodine Dichloride." Zeitschrift für Naturforschung B 51, no. 11 (November 1, 1996): 1663–65. http://dx.doi.org/10.1515/znb-1996-1122.

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The structures of t-butylaminotriphenylphosphonium iodine dibromide and iodine dichloride were determined by Raman spectroscopy and Xray crystallographic structure analysis. The iodine dibromide [IBr2]− species was assigned a centrosymmetric nature, whereas the iodine dichloride [ICl2]− possesses a non-centrosymmetric structure.

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30

Tran, Khanh Ai, Dung Thi Thuy Vo, Loan Thi Hong Mai, Nhon Van Mai, and Phuong Nguyen Dang. "Investigation of tube parameters on Xray spectra by MCNP5 code." Science and Technology Development Journal 16, no. 4 (December 31, 2013): 20–25. http://dx.doi.org/10.32508/stdj.v16i4.1592.

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In diagnostic radiology, the determination of bremsstrahlung spectrum is essential for patient absorbed dose estimation and image quality improvement. In this paper, we surveyed the X-ray emission spectra of different peak voltages 50, 70, 85, 125 and 150 kV by using MCNP5 code. Besides, the effects of filter, collimator and anode material on X-ray spectra have also been investigated. The simulation results fairly agree with experimental spectra obtained by P.T. Talla et al. (2009)

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31

Ikeda, Ken, M. Ootsu, I. Katou, K. Machida, and Y. Moriguchi. "358 Measurement of surface area on Xray-CT first report." Japanese Journal of Radiological Technology 53, no. 8 (1997): 1230. http://dx.doi.org/10.6009/jjrt.kj00001356201.

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32

Frisch, Stacey. "Ingested aluminum tab not visible on XRAY: A case report." Visual Journal of Emergency Medicine 27 (April 2022): 101370. http://dx.doi.org/10.1016/j.visj.2022.101370.

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33

Andou, Tohru, Naoya Tajima, Etsuo Chosa, Teruyuki Kashiwagi, Norio Sonoda, and Keisuke Gotoh. "Usefulness of Quantitative Ultrasound(QUS). Comparison with Dual Xray Absorptiometry." Orthopedics & Traumatology 46, no. 2 (1997): 310–12. http://dx.doi.org/10.5035/nishiseisai.46.310.

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34

Acuna-García, José Alfredo. "XRAY MEDICAL IMAGE CHARACTERIZATION WITH SPARSE RADIATION BASED ON WAVELETS." International Journal of Advanced Research in Computer Science 11, no. 6 (December 20, 2020): 10–14. http://dx.doi.org/10.26483/ijarcs.v11i6.6664.

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In medical radiology there are large amounts of digital images in hospitals and health centers. Equipment that enables the acquisition of medical radiographs uses X-radiation sensor plates for image acquisition in medical diagnosis. Medical radiology equipment uses anti-scatter grids, which are physical devices, to avoid unwanted effects on imaging. In the present work, we analyse from a qualitative point of view the radiation scattering effect that is caused in images without the presence of the anti-scattering grid. In this research, the acquisition of radiological images was made by means of X-ray equipment with an anti-scattering grid, capturing images without scattering and others that only present radiation scattering as a point of comparison. The methodology uses the Wavelet transformation to image characterization in segment process that define the regions that affect the different types of dispersion presented in X radiation. The tool used for the analysis of the images is the multi-resolution Wavelet transform, specifically the Discrete Wavelet Transform (DWT). The methodology was applied to different 2D radiological images in shades of gray. In the images used, it showed a robustness in the differentiation of X radiation incidence zones. This work is the beginning of a distortion analysis for the reconstruction of this type of images.

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35

Toevs, Christine C. "ROUTINE CHEST-XRAY FOR PNEUMOTHORAX NOT INDICATED AFTER PERCUTANEOUS TRACHEOSTOMY." Critical Care Medicine 30, Supplement (December 2002): A84. http://dx.doi.org/10.1097/00003246-200212001-00288.

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36

Saalmann, Ulf, Abraham Camacho, and Jan-Michael Rost. "Dynamical coupling of electrons and ions in Xray-induced dynamics." Journal of Physics: Conference Series 635, no. 11 (September 7, 2015): 112035. http://dx.doi.org/10.1088/1742-6596/635/11/112035.

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37

Kunkel, Joseph G., Melissa Rosa, and Ali N. Bahadur. "3D-Xray-tomography of American lobster shell-structure. An overview." Fisheries Research 186 (February 2017): 372–82. http://dx.doi.org/10.1016/j.fishres.2016.09.028.

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38

Koushallya M., Halamani. "VARIATION OF STRUCTURAL PROPERTIES OF Al DOPED Ni-Cd FERRITES WITH SINTERING TIME." Eurasian Physical Technical Journal 17, no. 2 (December 24, 2020): 11–18. http://dx.doi.org/10.31489/2020no2/11-18.

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The aim of present work is to synthesis and study the structural properties of Al doped Ni-Cd ferrites, series by ceramic method. The samples are sintered at a temperature of 1100 C with sintering time of t=9, 11, 13, 15 hrs. The samples were characterized by X-ray diffraction, scanning electron microscope, energy dispersive Xray analysis and Fourier transform-Infrared. The single phase simple cubic spinel structure is confirmed by Xray diffraction patterns. The lattice parameter is found to be in the range of 8.478 Å - 8.481 Å. The uniform size distribution is observed in the scanning electron microscope micrographs. The elemental analysis is done by energy dispersive X-ray analysis confirming the presence of all the metal ions present in the ferrite formula. Fourier transform-Infrared spectra showed two bands υ1 (581-582 cm-1 ) and υ2 (less than 400 cm-1 ) which are attributed to metal oxygen bond vibrations at tetrahedral and octahedral sites respectively.

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Gilani, Neda Salek, Salma Ehsani Tilami, and Seyed Naser Azizi. "Adsorption Properties of Low-Cost Synthesized Nanozeolite L for Efficient Removal of Toxic Methylene Blue Dye from Aqueous Solution." Acta Chimica Slovenica 69, no. 2 (June 15, 2022): 458–65. http://dx.doi.org/10.17344/acsi.2022.7350.

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In this study, nanozeolite L was applied for the removal of toxic methylene blue dye (MB) to evaluate its feasibility as an effective adsorbent. Synthesized nanozeolite L was characterized by Xray diffraction (XRD), Fourier transform infrared (FTIR), scanning electronic microscopy (SEM), Brunauer–Emmett–Teller (BET), and energy-dispersive Xray analysis (EDX) methods to determine its basic physicochemical properties. Batch adsorption studies were performed as a function of pH, adsorbent dose, contact time, initial MB concentration, and temperature. The adsorption behavior of MB was fitted better by the Langmuir isotherm than by the Freundlich isotherm, and the maximum adsorption capacity of nanozeolite L was obtained 80.64 mg g–1. The negative values of Gibbs free energy change (ΔG°) and the positive value of the standard enthalpy change (ΔH°) affirmed that the adsorption process is spontaneous and endothermic. Based on these findings, nanozeolite L, with high surface area, great adsorption capacity, and low synthetic cost, can be an effective and economical adsorbent for MB removal.

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40

Mitroff, Stephen R., Justin M. Ericson, and Benjamin Sharpe. "Predicting Airport Screening Officers’ Visual Search Competency With a Rapid Assessment." Human Factors: The Journal of the Human Factors and Ergonomics Society 60, no. 2 (December 1, 2017): 201–11. http://dx.doi.org/10.1177/0018720817743886.

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Objective The study’s objective was to assess a new personnel selection and assessment tool for aviation security screeners. A mobile app was modified to create a tool, and the question was whether it could predict professional screeners’ on-job performance. Background A variety of professions (airport security, radiology, the military, etc.) rely on visual search performance—being able to detect targets. Given the importance of such professions, it is necessary to maximize performance, and one means to do so is to select individuals who excel at visual search. A critical question is whether it is possible to predict search competency within a professional search environment. Method Professional searchers from the USA Transportation Security Administration (TSA) completed a rapid assessment on a tablet-based X-ray simulator (XRAY Screener, derived from the mobile technology app Airport Scanner; Kedlin Company). The assessment contained 72 trials that were simulated X-ray images of bags. Participants searched for prohibited items and tapped on them with their finger. Results Performance on the assessment significantly related to on-job performance measures for the TSA officers such that those who were better XRAY Screener performers were both more accurate and faster at the actual airport checkpoint. Conclusion XRAY Screener successfully predicted on-job performance for professional aviation security officers. While questions remain about the underlying cognitive mechanisms, this quick assessment was found to significantly predict on-job success for a task that relies on visual search performance. Application It may be possible to quickly assess an individual’s visual search competency, which could help organizations select new hires and assess their current workforce.

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41

Poorvi, Roshan Ann Oommen, and Santosh T Soans. "Double Lung Point Vs X-Ray in Transient Tachypnea of Newborn." Asian Journal of Clinical Pediatrics and Neonatology 8, no. 1 (April 12, 2020): 52–57. http://dx.doi.org/10.47009/ajcpn.2020.8.1.13.

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Background: Transient tachypnea of the newborn (TTNB) is one of the most common causes of perinatal dyspnea and is traditionally diagnosed by chest x-ray. Lung ultrasound is an upcoming tool which is being proved in recent studies to have a better diagnostic capability with the main characteristic feature being the Double Lung Point. Aims & objectives: To define ultrasonographic appearance of TTNB, evaluate its clinical relevance for early diagnosis and compare the outcome with xray and to assess the diagnostic ability of Double lung point.Subjects and Methods:All newborns presenting with tachypnea within 4 hours of life in 1 ½ years of study period. (November 2017-May 2019) were enrolled for study. Methods of collection of data: All newborns fulfilling the inclusion criteria were included as study subjects, At same time CHEST XRAY and LUS were done. Statistical analysis: Fisher’s exact test was used as test of significance for qualitative data. Continuous data was represented as mean and standard deviation. Mann Whitney U test and Kruskul-wallis test was used for subgroup analysis. P value of <0.05 was considered as statistically significant.Result:In study period of 1 ½ years 99 cases which were admitted in NICU with respiratory distress meeting the criteria were included. 60 cases were diagnosed to have TTNB, 34 RDS & 5 Pneumonia. Chest xray and Lung ultrasound (LUS) of these 60 TTNB cases were compared . LUS of TTNB and other cases was also compared for presence of double lung point (DLP). The sensitivity & specificity of DLP in diagnosis of TTNB was noted to be 68 % & 100 % respectively with 100 % Positive predictive value. Thus confirming LUS to be a more reliable diagnostic tool than x-ray.Conclusion:Therefore LUS could be used widely in NICU as 1st line of diagnostic medium in diagnosis of various respiratory conditions and early initiation of treatment accordingly.

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Johrendt, Dirk, Reiner Miericke, and Albrecht Mewis. "Neue Pnictide mit modifizierten AIB2-Strukturen / New Pnictides with Modified AIB2-Type Structures." Zeitschrift für Naturforschung B 51, no. 6 (June 1, 1996): 905. http://dx.doi.org/10.1515/znb-1996-0625.

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Abstract Nine new compounds AMX with A: Ca, Sr, Ba, M: Pd, Au and X:P, As were prepared by heating mixtures of the elements and investigated by Xray methods. They crystallize in modified AIB2- type structures, for the present examples in the ZrBeSi- and SrPtSb-types, with an ordered distribution of the atoms

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Csuk, René, Petra Dörr, Martin Kühn, Claus Krieger, Hermann Irngartinger, Thomas Oeser, and Mikhael Yu Antipin. "Chiral Pool Synthesis of 4a-Substituted Carbocyclic Cyclopentanoid Nucleoside Precursors, II." Zeitschrift für Naturforschung B 54, no. 8 (August 1, 1999): 1079–91. http://dx.doi.org/10.1515/znb-1999-0817.

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Suitable protected 4,4a-anhydro-cyclopentane derivatives have been used for the straightforward of cyclopentanoid nucleoside precursors. Thus, by simple transformations nucleoside precursors modified at the positions C(4), C(4a) and C(4,4a) as well as side-chain modified derivatives were accessible. The structures of the key intermediates were determined by xray analyses.

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Kikuchi, Hisako, Takushi Ohkubo, Keiichi Machida, and Yasuo Moriguchi. "315. Investigation of Xray tube life for CT Scanner 1st Report." Japanese Journal of Radiological Technology 49, no. 8 (1993): 1339. http://dx.doi.org/10.6009/jjrt.kj00003324902.

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45

"Tracor Xray." Analytical Chemistry 58, no. 11 (August 1986): 1085A. http://dx.doi.org/10.1021/ac00124a736.

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"Tracor Xray." Analytical Chemistry 59, no. 3 (February 1987): 234A. http://dx.doi.org/10.1021/ac00130a789.

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"Tracor Xray." Analytical Chemistry 57, no. 3 (March 1985): 467A. http://dx.doi.org/10.1021/ac00280a801.

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"Tracor Xray." Analytical Chemistry 57, no. 6 (May 1985): 719A. http://dx.doi.org/10.1021/ac00283a799.

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"Tracor Xray." Analytical Chemistry 57, no. 9 (August 1985): 1061A. http://dx.doi.org/10.1021/ac00286a785.

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"Tracor Xray." Analytical Chemistry 57, no. 11 (September 1985): 1211A. http://dx.doi.org/10.1021/ac00288a811.

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