12 research outputs found
Ultrafast all-optical switching by cross phase modulation induced wavelength conversion in silicon-on-insulator waveguides and ring resonators
We present new results on ultrafast alloptical wavelength conversion in Silicon-on-Insulator waveguides through cross phase modulation. We demonstrate sub-picosecond all-optical switching with 13dB on/off ratio by combining the nonlinear wavelength conversion in the port waveguide with passive filtering using an integrated SOI microring resonator.\u
Factors of influence upon overall survival in the treatment of intracranial MPNSTs. Review of the literature and report of a case
BACKGROUND: Intracranial malignant peripheral nerve sheath tumors are rare entities that carry a poor prognosis. To date, there are no established therapeutic strategies for these tumors. METHODS: We review the present treatment modalities and present the current therapeutic dilemmas. We perform a statistical analysis to evaluate the prognostic factors for Overall Survival of these patients. Additionally, we present our experience with a 64-year-old man with a MPNST of the left cerebellopontine angle. RESULTS: To our best knowledge, forty three patients with intracranial MPNSTs, including our case, have been published in the international literature. Our analysis showed gross total resection, radiotherapy and female gender to be beneficial prognostic factors of survival in the univariate analysis. Gross total resection was recognized as the only independent predictor of prolonged Overall Survival. In our case, we performed a gross total resection followed for the first time by stereotactically guided radiotherapy. CONCLUSION: Considering the results of the statistical analysis and the known advantages of the stereotaxy, we suggest aggressive surgery followed by stereotactically guided radiotherapy as therapy of choice
In Vivo Mapping of Hippocampal Subfields in Mesial Temporal Lobe Epilepsy: Relation to Histopathology
ΠΠ°Π½ΠΊΠΎΠ²ΡΠΊΠΈΠ΅ ΡΠΈΡΠΊΠΈ ΠΈ Π½Π°Π΄Π΅ΠΆΠ½ΠΎΡΡΡ ΠΊΠΎΠΌΠΌΠ΅ΡΡΠ΅ΡΠΊΠΈΡ Π±Π°Π½ΠΊΠΎΠ²
Π Π½Π°ΡΠ΅ Π²ΡΠ΅ΠΌΡ Π±Π°Π½ΠΊΠΎΠ²ΡΠΊΠ°Ρ ΡΡΡΡΠΊΡΡΡΠ° ΡΡΠΎ ΠΊΠ»ΡΡΠ΅Π²Π°Ρ ΡΡΠ΅ΡΠ° Π½Π°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π° ΠΊΠ°ΠΆΠ΄ΠΎΠΉ ΡΠΈΠ²ΠΈΠ»ΠΈΠ·ΠΎΠ²Π°Π½Π½ΠΎΠΉ ΡΡΡΠ°Π½Ρ. Π ΠΏΠΎΡΠ»Π΅Π΄Π½ΠΈΠ΅ Π³ΠΎΠ΄Ρ Π² Π ΠΎΡΡΠΈΠΈ ΠΎΠ½Π° ΠΏΠΎΠ΄Π²Π΅ΡΠ³Π»Π°ΡΡ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΡΠΌ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡΠΎΠ²ΠΊΠ°ΠΌ. ΠΠ·ΠΌΠ΅Π½ΡΡΡΡΡ Π²ΡΠ΅ ΡΠΎΡΡΠ°Π²Π»ΡΡΡΠΈΠ΅ Π±Π°Π½ΠΊΠΎΠ²ΡΠΊΠΎΠΉ Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ. Π€ΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ° ΠΏΡΠΈΠ²Π΅Π»ΠΎ ΠΊ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΌΡ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠΎΠ»ΠΈ ΠΊΡΠ΅Π΄ΠΈΡΠ½ΡΡ
ΠΎΡΠ³Π°Π½ΠΈΠ·Π°ΡΠΈΠΉ Π² ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠΈ Π½Π°ΡΠΎΠ΄Π½ΡΠΌ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²ΠΎΠΌ ΠΈ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ ΡΠΎΠ»ΠΈ ΠΊΡΠ΅Π΄ΠΈΡΠ° Π² ΡΡΡΡΠΊΡΡΡΠ΅ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΡΡ
Π²Π·Π°ΠΈΠΌΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΉ. Π‘ΡΡΠ΄Π° ΠΏΠΎΠ΄ΡΠ°Π»ΠΊΠΈΠ²Π°Π΅Ρ ΠΊ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΡΠΈΠ», Π°ΠΊΡΠΈΠ²ΠΈΠ·ΠΈΡΡΠ΅Ρ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠΎΠ² Π΄Π΅Π½Π΅ΠΆΠ½ΡΡ
ΡΡΠ΅Π΄ΡΡΠ² Ρ ΡΠ΅Π»ΡΡ ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΡ Π²ΠΎΡΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π°.Presently the bank structure is the key sphere of national economy of each civilized country. In recent years in Russia she has undergone considerable adjustments. All components of bank activity change. Formation of the financial market has led to considerable change of a role of credit institutions in management of the national economy and increase in a role of the credit in structure of financial relationship.The loan pushes to development of productive forces, intensifies formation of sources of money for the purpose of reproduction expansion
Π Π°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΌΠ΅ΡΠΎΠΏΡΠΈΡΡΠΈΠΉ Π΄Π»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΈ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΠΈ ΡΠ°Π±ΠΎΡΡ ΠΎΠ±ΡΠ΅ΠΊΡΠΎΠ² Π»ΠΈΠ½Π΅ΠΉΠ½ΠΎΠΉ ΡΠ°ΡΡΠΈ ΡΡΠ°ΡΡΠΊΠ° ΠΌΠ°Π³ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·ΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π° "Π‘ΠΈΠ»Π° Π‘ΠΈΠ±ΠΈΡΠΈ"
ΠΠ±ΡΠ΅ΠΊΡΠΎΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΡΠ°ΡΡΠΎΠΊ ΠΌΠ°Π³ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·ΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π° "Π‘ΠΈΠ»Π° Π‘ΠΈΠ±ΠΈΡΠΈ". Π¦Π΅Π»Ρ ΡΠ°Π±ΠΎΡΡ β ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΌΠ΅ΡΠΎΠΏΡΠΈΡΡΠΈΠΉ Π΄Π»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΈ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΠΈ ΡΠ°Π±ΠΎΡΡ ΠΎΠ±ΡΠ΅ΠΊΡΠΎΠ² Π»ΠΈΠ½Π΅ΠΉΠ½ΠΎΠΉ ΡΠ°ΡΡΠΈ ΠΌΠ°Π³ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·ΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π° "Π‘ΠΈΠ»Π° Π‘ΠΈΠ±ΠΈΡΠΈ". Π ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈΡΡ ΡΠ°ΡΡΠ΅ΡΡ ΡΠΎΠ»ΡΠΈΠ½Ρ ΡΡΠ΅Π½ΠΊΠΈ ΡΡΡΠ±ΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π°, ΡΠ°ΡΡΠ΅Ρ Π½Π° ΠΏΡΠΎΡΠ½ΠΎΡΡΡ ΠΈ ΡΡΡΠΎΠΉΡΠΈΠ²ΠΎΡΡΡ, ΠΏΡΠΎΠ³Π½ΠΎΠ·Π½ΡΠΉ ΡΠ°ΡΡΠ΅Ρ ΡΠ°Π·ΠΌΡΠ²Π° Π³ΡΡΠ½ΡΠ° Π·Π°ΡΡΠΏΠΊΠΈ Π½Π° ΡΠΊΠ»ΠΎΠ½Π΅ Π½Π° ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΠΈ Π‘Π 36.13330.2012, Π‘Π 425.1325800.2018, Π° ΡΠ°ΠΊΠΆΠ΅ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π Π 51-2.4-007-97 ΠΊΠ°ΠΊ ΡΠΏΡΠ°Π²ΠΎΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°. Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ Π²ΠΎΠΏΡΠΎΡΡ ΠΏΡΠΈΡΠΈΠ½ ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠΉ Π°Π²Π°ΡΠΈΠΉ Π½Π° ΠΌΠ°Π³ΠΈΡΡΡΠ°Π»ΡΠ½ΡΡ
Π³Π°Π·ΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π°Ρ
(ΠΠ), Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡ Π½Π° ΠΠ ΠΎΠΏΠ°ΡΠ½ΡΡ
Π³Π΅ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² (ΠΠΠ), ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½ΠΈΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΠ° ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΈ ΠΎΠ±ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΡ Π²ΡΠ±ΠΎΡΠ° ΠΌΠ΅ΡΠΎΠΏΡΠΈΡΡΠΈΠΉ ΠΈ ΡΠΎΠΎΡΡΠΆΠ΅Π½ΠΈΠΉ ΠΈΠ½ΠΆΠ΅Π½Π΅ΡΠ½ΠΎΠΉ Π·Π°ΡΠΈΡΡ ΠΠ ΠΎΡ ΡΡΠΎΠ·ΠΈΠΎΠ½Π½ΡΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ².The object of study is the section of the Power of Siberia gas pipeline. The purpose of the work is the development of measures to improve the efficiency and safety of the facilities of the linear part of the Power of Siberia gas pipeline. In the course of the study, calculations were made of the wall thickness of the pipeline, a calculation of strength and stability, a predictive calculation of erosion of backfill soil on the slope based on SP 36.13330.2012, SP 425.1325800.2018, and also using RD 51-2.4-007-97 as reference material. Issues of the causes and consequences of accidents on main gas pipelines (MG), the impact on MG of hazardous geological processes (GCP)
ΠΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ ΡΠΎΡΠ±Π΅Π½ΡΠΎΠ² Π΄Π»Ρ ΠΈΠ·Π²Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΊΡΠ»ΡΡΡΡΡ Escherichia coli ΠΈΠ· Π²ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΡΠ°ΡΡΠ²ΠΎΡΠ°
Ultra-Fast All-Optical Wavelength Conversion in Silicon Waveguides using Femtosecond Pulses
The propagation of 300 femtosecond optical pulses in Silicon-on Insulator waveguides has been studied by means of a pump-probe set-up. Large Cross Phase Modulation (XPM) induced red and blue shifts (9nm and 15nm, respectively) of the probe signal have been observed depending on the delay between pump (1554nm) and probe (1683nm) pulses. A numerical model taking into account Two Photon Absorption (TPA) and Free Carrier Absorption (FCA) in the semiconductor waveguide is presented and provides good agreement with the experimental data. Our model reveals that the wavelength conversion is dominated by the instantaneous optical Kerr effect, enabling ultra-fast all-optical functionalities. Furthermore, the importance of waveguide dispersion on the wavelength conversion efficiency will be treated in the case of femtosecond pulses
Photonic engineering of nonlinear-optical properties of hybrid materials for efficient ultrafast optical switching (PHOENIX)
A Test Setup for Quality Assurance of Front End Hybrids
The APV Readout Control (ARC) Test Setup is a compact, cost efficient test and diagnostic tool which is suited for full operation and characterisation of FE hybrids and Si-Detector modules. This note gives an overview of the construction and the features of the test facility. Based on the ARC setup and the experience gained with one prototype FE hybrid, possible quality assurance scenarios for short and long term tests of FE hybrids are also presented