1,668 research outputs found
Pengaruh Work From Home Terhadap Kinerja Karyawan Dengan Internal Motivation dan Organizational Trust Sebagai Variabel Mediasi (Perwakilan Karyawan Telkom Group di Telkom Regional IV Jateng dan DIY)
This research aims to analyze the influence of work from home on employee performance with internal motivation and organizational trust as a mediation variable in Telkom Group Employee Representatives in Telkom Regional IV Jateng and DIY. The type of research used in this study is Conformatory Factor Analysis (CFA) with a quantitative approach. The sampling method used is Proposive Sampling. The population or object in the selected research is all employees of Telkom Group Employee Representatives in Telkom Regional IV Jateng and DIY with the criteria of having implemented work from home (WFH) work system practices. The number of employees who meet these criteria is as many as 100 people with the distribution of WFH rations that have been regulated by the agency. Method of collecting data by spreading questionnaires online using google form links. Data analysis uses instrument tests, classical assumption tests, hypothesis tests, and Structural Equation Modeling (SEM) analysis using the Smart PLS 3.0 program. The results showed that the practice of work from home system did not have a positive and significant effect on employee performance. While internal motivation and organizational trust as mediation between work from home and employee performance has a significant positive effect
Absence of a dose-rate effect in the transformation of C3H 10T1/2 cells by α-particles
The findings of Hill et al. (1984) on the greatly enhanced transformation frequencies at very low dose rates of fission neutrons induced us to perform an analogous study with -particles at comparable dose rates. Transformation frequencies were determined with γ-rays at high dose rate (0·5 Gy/min), and with -particles at high (0·2 Gy/min) and at low dose rates (0·83-2·5 mGy/min) in the C3H 10T1/2 cell system.
α-particles were substantially more effective than γ-rays, both for cell inactivation and for neoplastic transformation at high and low dose rates. The relative biological effectiveness (RBE) for cell inactivation and for neoplastic transformation was of similar magnitude, and ranged from about 3 at an -particle dose of 2 Gy to values of the order of 10 at 0·25 Gy. In contrast to the experiments of Hill et al. (1984) with fission neutrons, no increased transformation frequencies were observed when the -particle dose was protracted over several hours
structural connectivity analysis in children with segmental callosal agenesis
BACKGROUND AND PURPOSE: Segmental callosal agenesis is characterized by the absence of the intermediate callosal portion. We aimed to evaluate the structural connectivity of segmental callosal agenesis by using constrained spherical deconvolution tractography and connectome analysis. MATERIALS AND METHODS: We reviewed the clinical-radiologic features of 8 patients (5 males; mean age, 3.9 years). Spherical deconvolution and probabilistic tractography were performed on diffusion data. Structural connectivity analysis, including summary network metrics, modularity analysis, and network consistency measures, was applied in 5 patients and 10 age-/sex-matched controls. RESULTS: We identified 3 subtypes based on the position of the hippocampal commissure: beneath the anterior callosal remnant in 3 patients (type I), beneath the posterior callosal remnant in 3 patients (type II), and between the anterior and posterior callosal remnants in 2 patients (type III). In all patients, the agenetic segment corresponded to fibers projecting to the parietal lobe, and segmental Probst bundles were found at that level. Ectopic callosal bundles were identified in 3 patients. Topology analysis revealed reduced global connectivity in patients compared with controls. The network topology of segmental callosal agenesis was more variable across patients than that of the control connectomes. Modularity analysis revealed disruption of the structural core organization in the patients. CONCLUSIONS: Three malformative subtypes of segmental callosal agenesis were identified. Even the absence of a small callosal segment may impact global brain connectivity and modularity organization. The presence of ectopic callosal bundles may explain the greater interindividual variation in the connectomes of patients with segmental callosal agenesis
Loop Equation in Two-dimensional Noncommutative Yang-Mills Theory
The classical analysis of Kazakov and Kostov of the Makeenko-Migdal loop
equation in two-dimensional gauge theory leads to usual partial differential
equations with respect to the areas of windows formed by the loop. We extend
this treatment to the case of U(N) Yang-Mills defined on the noncommutative
plane. We deal with all the subtleties which arise in their two-dimensional
geometric procedure, using where needed results from the perturbative
computations of the noncommutative Wilson loop available in the literature. The
open Wilson line contribution present in the non-commutative version of the
loop equation drops out in the resulting usual differential equations. These
equations for all N have the same form as in the commutative case for N to
infinity. However, the additional supplementary input from factorization
properties allowing to solve the equations in the commutative case is no longer
valid.Comment: 20 pages, 3 figures, references added, small clarifications adde
Counter-propagating entangled photons from a waveguide with periodic nonlinearity
The conditions required for spontaneous parametric down-conversion in a
waveguide with periodic nonlinearity in the presence of an unguided pump field
are established. Control of the periodic nonlinearity and the physical
properties of the waveguide permits the quasi-phase matching equations that
describe counter-propagating guided signal and idler beams to be satisfied. We
compare the tuning curves and spectral properties of such counter-propagating
beams to those for co-propagating beams under typical experimental conditions.
We find that the counter-propagating beams exhibit narrow bandwidth permitting
the generation of quantum states that possess discrete-frequency entanglement.
Such states may be useful for experiments in quantum optics and technologies
that benefit from frequency entanglement.Comment: submitted to Phys. Rev.
EFEITO DO USO DE INOCULANTES SOBRE O pH E A COMPOSIÇÃO BROMATOLÓGICA DA SILAGEM DE SORGO (Sorghum bicolor L. Moench)
The objective of this work was to study the effect of three doses of commercial bacterial inoculant Sil-All (Alltech®), on the pH and the quality of the silage of sorgo, variety AG 2005. Sixteen experimental silos had been used, with capacity for 20kg of silage. The tested treatments had been T1 without the inoculante addition, T2: 2,5g/L of inoculante, T3: 5,0 g/L of inoculante and T4: 7,5 g/L of inoculante. After 60 days, the silos had been opened and samples removed for determination of pH, PB, FDN and FDA. The delineation was completely randomized, with four treatments and four repetitions. The different applied doses had resulted in significant difference (P 0,05) values of pH, PB, FDN and FDA.O objetivo do presente trabalho foi estudar o efeito de três doses do aditivo bacteriano comercial Sil-All (Alltech®), sobre o pH e a composição bromatológica da silagem de sorgo, variedade AG 2005. Foram utilizados 16 silos experimentais, com capacidade para 20kg de silagem. Os tratamentos testados foram T1: sem a adição de inoculante, T2: 2,5g/L de inoculante, T3: 5,0 g/L de inoculante e T4: 7,5 g/L de inoculante. Após 60 dias de ensilado, os silos foram abertos e retiradas amostras para determinação de pH, PB, FDN e FDA. O delineamento foi inteiramente casualizado, com quatro tratamentos e quatro repetições. As diferentes doses aplicadas resultaram em diferença significativa (P 0,05) os teores de pH, PB, FDN e FDA
Trigeminal Neuralgia: Literature Review
The trigeminal nerve, fifth equal of cranial nerves, a mixed nerve is considered by possessing motor and sensitive components. The sensitive portion takes to the Nervous System Central somesthesics information from the skin and mucous membrane of great area of the face, being responsible also for a neural disease, known as the Trigeminal Neuralgia. The aim of this study was to review the literature on the main characteristics of Trigeminal Neuralgia, the relevant aspects for the diagnosis and treatment options for this pathology. This neuralgia is characterized by hard pains and sudden, similar to electric discharges, with duration between a few seconds to two minutes, in the trigeminal nerve sensorial distribution. The pain is unchained by light touches in specific points in the skin of the face or for movements of the facial muscles, it can be caused by traumatic sequels or physiologic processes degenerative associate the vascular compression. Prevails in the senior population, frequently in the woman. In a unilateral way it attacks more the maxillary and mandibular divisions, rarely happens in a simultaneous way in the three branches of trigeminal nerve three branches.30115Adams, R.D., Victor, M., (1985) Principles of Neurology, , New York: Mc Graw-Hill Book CompanyBayer, D.B., Stenger, T.G., Trigeminal Neuralgia: An overview (1979) Oral Surgery, 48 (5), pp. 393-399. , http://dx.doi.org/10.1016/0030-4220(79)90064-1Bennetto, L., Patel, N.K., Fuller, G., (2007) Trigeminal Neuralgia and Its Management, 334, pp. 201-205. , http://dx.doi.org/10.1136/bmj.39085.614792.BE, BMJ, PMid:17255614 PMCid:1782012Brow, J.A., Percutaneous balloon compression for trigeminal Neuralgia (2009) Clinical Neurosurgery, 56, pp. 73-76. , PMid:20214036Eskandar, E., Barker, F.G., Rabinov, J.D., Case records of the Massachusetts General Hospital. Case21-2006. A61-year-old man with left-sided facial pain (2006) New England Journal of Medicine, 355, pp. 183-188. , http://dx.doi.org/10.1056/NEJMcpc069011, PMid:16837683Fardy, M.J., Patton, D.W., Complication associated with peripheral alcohol injections in the management of trigeminal neuralgia (1994) British Journal of Oral and Maxillofacial Surgery, 32 (6), pp. 387-391. , http://dx.doi.org/10.1016/0266-4356(94)90031-0Frizzo, H.M., Hasse, P.N., Veronese, R.M., Neuralgia do Trigêmeo: Revisão Bibliográfica Analítica (2004) Revista De Cirurgia E Traumatologia Buco-Maxilo-Facial, 4 (4), pp. 212-217Galassi, C., Blasi, G., Galassi, G., Serra, M., Faverio, A., Nevralgie trigeminali ed altre algie del capo (1985) Parodontologia E Stomatologia (nuova), 2, pp. 45-160Goto, F., Ishizaki, K., Yoshikawa, D., Obata, H., Arii, H., Terada, M., The long lasting effects of peripheral nerve blocks for trigeminal neuralgia using a high concentration of tetracaine dissolved in bupivacaine (1999) Pain, 79, pp. 101-103. , http://dx.doi.org/10.1016/S0304-3959(98)00156-0Gusmão, S., Magaldi, M., Arantes, A., Rizotomia trigeminal por radiofrequência para tratamento da neuralgia do trigêmeo: Resultados e modificação técnica (2003) Arquivos De Neuro-Psiquiatria, 61 (2), pp. 434-440. , http://dx.doi.org/10.1590/S0004-282X2003000300020, PMid:12894280Hotta, T.H., Bataglion, A., Bataglion, C., Bezzon, O.L., Involvemente of dental occlusion and trigeminal neuralgia: A clinical report (1997) Journal of Prosthetic Dentistry, 77 (4), pp. 343-345. , http://dx.doi.org/10.1016/S0022-3913(97)70155-0Jacob, R.P., Rhoton, J.A.L., Diagnosis and Nonoperative Management of Trigeminal Neuralgia (1996) In: YOUMANS, JR. Neurological Surgery, 5, pp. 3376-3385. , 4th Ed. W. B. Saunders CompanyJanneta, P.G., Gross (Mesoscopic) description of the human trigeminal nerve and ganglion (1963) Journal of Neurosurgery, 20, pp. 109-111Katusic, S., Beard, M.B., Bergstralh, E., Kurland, L.T., Incidence and clinical features of trigeminal neuralgia, Rochester, Minnesota:1945-1984 (1990) Annals of Neurology, 27, pp. 89-95. , http://dx.doi.org/10.1002/ana.410270114, PMid:2301931Krafft, R.M., Trigeminal neuralgia (2008) American Family Physician, 77, pp. 1291-1296. , PMid:18540495Linskey, M.E., Jho, H.D., Jannetta, P.J., Microvascular decompression for trigeminal neuralgia caused by vertebrobasilar compression (1994) Journal of Neurosurgery, 81, pp. 1-9. , http://dx.doi.org/10.3171/jns.1994.81.1.0001, PMid:8207508Loh, H.S., Ling, S.Y., Shanmuhasuntharam, P., Zain, R., Yeo, J.F., Khoo, S.P., Trigeminal neuralgia. A retrospective survey of a sample of patients in Singapore and Malaysia (1998) Australian Dental Journal, 43 (3), pp. 188-191. , PMid:9707784Luna, E.B., Graça, L.F.A., Silva, D.C.O., Bérzin, F., Silva, Z., Souza, G.C., Mitri, F.F., Aspectos Anatômicos e Patológicos da Neuralgia do Trigêmeo: Uma revisão da literatura para estudantes e profissionais da saúde (2010) Bioscience Journal, 26 (4), pp. 661-674Maestri, J.M., Holzer, F., Fisiopatología de la neuralgia del trigémeno (1993) Revista Chilena De Neuro-Psiquiatria, 31 (3), pp. 317-321Mattos, J.M.B., Bueno, F.V., Mattos, L.R., Neuralgia do Trigêmeo: Um novo protocolo de tratamento clínico (2005) Revista Dor, 6 (4), pp. 652-656Meneses, M.S., Clemente, R., Russ, H.H., Traitement microchirurgical de la névralgie du trijumeau (1995) Neurochirurgie, 41 (5), pp. 349-352. , PMid:8577355Monzillo, P.H., Sanvito, W.L., Costa, A.R., Cluster-Tic, S., Syndrome: Report of five new cases (2000) Arquivos De Neuro-Psiquiatria, 58, pp. 518-521. , http://dx.doi.org/10.1590/S0004-282X2000000300019, PMid:10920416Neville, B.W., Damm, D.D., Allen, C.M., Bouquot, J.E., (2004) Patologia Oral E Maxilofacial.2.ed, pp. 865-867. , Rio de Janeiro: Guanabara KooganNurmikko, T.J., Eldridge, P.R., (2001) Trigeminal Neuralgia: Pathophysiology, Diagnosis and Current Treatment. BJA: British Journal of Anaesthesia, 87, pp. 117-132. , http://dx.doi.org/10.1093/bja/87.1.117Patterson, C.W., Trigeminal neuralgia-a dental diagnosis challenge (1999) Northwest Dentistry, 78 (3), pp. 19-24Peters, G., Nurmikko, T.J., Peripheral and gasserian ganglion-level precedures for the treatment of trigeminal neuralgia (2002) Clinical Journal of Pain, 18 (1), pp. 28-34. , http://dx.doi.org/10.1097/00002508-200201000-00005, PMid:11803300Quesada, G.A.T., Baptista, C.E., Daiana, S.P., Douglas, L.F., Neuralgia Trigeminal-do diagnóstico ao tratamento (2005) Revista Dentística, (11)Siqueira, S.R.D.T., Nóbrega, J.C.M., Valle, L.B.S., Teixeira, M.J., Siqueira, J.T.T., Clinical aspects and dental procedures (2004) Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, 98 (3), pp. 311-315Toda, K., Trigeminal neuralgia: Symptoms, diagnosis, classification, and related disorders (2007) Oral Science International, 4 (1), pp. 1-9. , http://dx.doi.org/10.1016/S1348-8643(07)80006-1Tronnier, V.M., Rasche, D., Hamer, J., Treatment of idiopathic trigeminal neuralgia: Comparison of long-term outcome after radiofrequency rhizotomy and microvascular decompression (2001) Neurosurgery, 48, pp. 1261-1268. , PMid:11383728Türp, J.C., Gobetti, J.P., Trigeminal neuralgia versus atypical facial pain: A review of the literature and case report (1996) Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, 81 (4), pp. 424-432Yoon, K.B., Wiles, J.R., Miles, J.B., Nurmikko, T.J., Long-term outcome of percutaneous thermocoagulation for trigeminal neuralgia (1999) Anaesthesia, 54 (80), pp. 798-808Yoshimasu, F., Kurland, L.T., Elvelvack, L.R., Tic dolourex in Rochester, Minnesota (1972) Neurology, 22, pp. 952-956. , http://dx.doi.org/10.1212/WNL.22.9.952, 1945-1969. PMid:467338
Influence of shower fluctuations and primary composition on studies of the shower longitudinal development
We study the influence of shower fluctuations, and the possible presence of
different nuclear species in the primary cosmic ray spectrum, on the
experimental determination of both shower energy and the proton air inelastic
cross section from studies of the longitudinal development of atmospheric
showers in fluorescence experiments. We investigate the potential of track
length integral and shower size at maximum as estimators of shower energy. We
find that at very high energy (~10^19-10^20 eV) the error of the total energy
assignment is dominated by the dependence on the hadronic interaction model,
and is of the order of 5%. At lower energy (~10^17-10^18 eV), the uncertainty
of the energy determination due to the limited knowledge of the primary cosmic
ray composition is more important. The distribution of depth of shower maximum
is discussed as a measure of the proton-air cross section. Uncertainties in a
possible experimental measurement of this cross section introduced by intrinsic
shower fluctuations, the model of hadronic interactions, and the unknown
mixture of primary nuclei in the cosmic radiation are numerically evaluated.Comment: 12 pages, 11 figures, 4 table
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