Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 139 for “"K2"”.
-
Transit timing variations of the exoplanet K2-25b
Transit light curves of the exoplanet K2-25b were studied to examine the possibility of transit timing variations (TTVs) in the system, which could imply the presence of a perturbing planet. Observations of K2-25b transits were taken using 14-inch and 24-inch telescopes at Wallace Astrophysical …
-
Automatic detection of periodic sources in the K2 data sets
… for the detection of periodic sources in the K2 data sets. Fast discreet Fourier transformations are used to compute the Fourier spectra of the targets and two different detection algorithms for identifying significant signals are used. The first technique searches through the DFT to identify …
-
Elucidating the evolution histories of giant planets with K2 and TESS
Giant planets play a fundamental role in shaping the architecture of planetary systems and the formation and evolution of smaller planets. Over the last few decades, over 1000 giant planets have been discovered outside the Solar System, yet many open questions remain about their formation and …
-
GEOMORPHOLOGICAL MAPPING OF THE K2 AREA, PAKISTAN USING GIS AND REMOTE SENSING
… maps covering the area between Skardu and K2 were produced using field mapping and photography, GPS measurements, ASTER satellite imagery, and digital elevation model (DEM) analyses. Satellite and morphometric analyses were performed using GIS software. The landforms are described in …
-
GEOMORPHOLOGICAL MAPPING OF THE K2 AREA, PAKISTAN USING GIS AND REMOTE SENSING
… maps covering the area between Skardu and K2 were produced using field mapping and photography, GPS measurements, ASTER satellite imagery, and digital elevation model (DEM) analyses. Satellite and morphometric analyses were performed using GIS software. The landforms are described in …
-
Identifying binary central stars of planetary nebulae with Kepler K2 campaign 11 photometric data
… light curves for 140 PNe targets from the Kepler K2 campaign 11 field. Of these 140 targets, 29 appeared to show periodicity in their light curves, all of which had period under two weeks, for a close binary fraction of 21%; furthermore, 25 out of 29 (86%) detected periods were between two hours …
-
Fermentation of vitamin K2 (menaquinone-7): Development of an optimal fermentation process to selectively enhance the production of the biologically significant all-trans isomer
… namely vitamin K1 (phylloquinone), vitamin K2 (menaquinones), and vitamin K3 (menadione), which share a common 2-methyl-1,4-naphthoquinone moiety but differ in the structure of a lateral isoprenoid chain at the 3-position. Despite their structural similarities, all K vitamers have different …
-
Pengaruh keselamatan ketenagalistrikan (K2) serta keselamatan dan kesehatan kerja (K3) dalam upaya untuk peningkatan produktifitas kerja karyawan: Studi pada PT. PLN (Persero) Area Malang Rayon Ngantang
INDONESIA: Penelitian ini bertujuan untuk menguji pengaruh penerapan keselamatan ketenagalistrikan serta keselamatan dan kesehatan kerja terhadap produktivitas kerja karyawan. Salah satu bentuk penerapan tersebut adalah dengan cara melakukan pekerjaan sesuai dengan SOP yang berlaku di perusahaan. …
-
Hemilabile Phosphorus Enamine/Imine Ligands And Their Application In Ru-Catalyzed Aqueous Hydration Of Nitriles
… the C-Li bond of PTA-Li gave a new series of P,N k2-enaminophosphine derivatives (PTA=C(R)NH2) of 1,3,5-triaza-7-phosphaadamantane (PTA), with a characteristic double bond on the PTA cage. Oxidation or sulfuration of the ligands resulted in a mixture of cis-trans products. The cis isomer of oxide …
-
Complejos de cobre(I) y osmio(II) con ligandos N-dadores bi- y tridentados: síntesis y aplicaciones en catálisis asimétrica
… neutros con distintas nuclearidades, [Cu2(MeCN)2(K2-N,N-iPr-phebox)2][BF4]2, [Cu2(CF3SO3)2(K2-N,N-iPr-phebox)]n, [Cu4X4(K2-N,N-iPr-phebox)2] (X = Cl, Br, I) y [Cu4I4(K2-N,N-iPr-phebox)2]n, se han sintetizado por reacción del ligando phebox con distintos precursores de cobre(I). Se detalla la …
-
Synthesis of molybdenum olefin metatheses catalysts through protonation reactions
… from Mo(NArcl)(CH-t-Bu)(OTf)2(dme) and [Biphen]K2 have sporadically afforded mixtures containing the desired products along with the corresponding amido alkylidyne complexes, Mo(NHArcl)(C-t-Bu)[Biphen] and Mo(NH-2-CF3C6H4)(CCMe2Ph)[Biphen], respectively. The reaction of [Biphen]K2 with …
-
Search for CP violation in D-meson decays
… Acp is made for two other CP eigenstates, no -+ K2 K2 and no -+ 1r+1r-. An upper limit for the branching ratio for the decay, no -+ K-?r+?r0 ?r0 ?r0 , for which evidence was found in the process of measuring Acp, is set at 12.1%.
-
CARDIAC AUTONOMIC CONTROL DURING SLEEP IN PATIENTS WITH MULTIPLE SYSTEM ATROPHY: A PILOT STUDY ON THE IMPACT OF CPAP THERAPY
… atrophy (MSA) using cardiorespiratory coupling (K2) and symbolic dynamics (0V%, 2UV%, 2LV%) derived from ECG tracings in video‐polysomnography (v‐PSG). The study aims to compare patients with and without sleep‐disordered breathing (SDB) and to assess the acute autonomic effects of CPAP therapy …
-
The quantum Johnson homomorphism and symplectomorphism of 3-folds
introduce a subset K2,A of the symplectic mapping class group, and an invariant ... that associates a characteristic class in Hochschild cohomology to every symplectomorphism ... K2,A. These are analogues to the familiar Johnson kernel X9 and second Johnson homomorphism - 2 from low-dimensional …
-
The critical magnetic field curves of superconducting molybdenum and cadmium above 0.03 degrees K
… of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = 0.685 mJ/(mole K2) for Cd. The extrapolation to H = 0 yields T values of 0.9l34°K and 0.5l5°K for Mo and Cd, respectively. These values, together with the experimental data, are used to calculate the …
-
The properties of transiting exoplanets
… interesting systems, using data from the Kepler-K2 mission which uniquely pointed at fields along the ecliptic plane. This led to my discovery of three super-Earths and one planet candidate orbiting the M1 dwarf K2-133. I later conducted a follow-up study on the K2-133 system, where I further …
-
Development of a camber measurement system for skis and snowboards
At the request of K2 Sports, in Seattle, Washington, a machine was constructed to measure the base profile of skis and snowboards. The measurements to be taken included overall length, running surface length, locations of the contact points, tip and tail height, and maximum camber height, each of …
-
Investigation into the partitioning of Lindane between air and dust in indoor environments
… Adsorption and desorption constants (k1 and k2 respectively) were determined by fitting results from the dynamic adsorption tests to an existing two compartment model described in chapter 2, using the statistical analysis software SPSS (vs16). These dynamic tests were carried out for two size …
Page 1 of 7