作者: 假設 時間: 2025-3-22 00:02 作者: 切掉 時間: 2025-3-22 03:17
hne Horizontalverband ausgeführt. Bei der Tragsicher-heitsuntersuchung dieser Tr?ger sind das Stabilit?tsversagen durch Biegedrillknicken sowie infolge Beulens der Stegbleche zu berück-sichtigen. Im Rahmen der Gebrauchstauglichkeitsuntersuchung ist die Einhaltung von Grenzwerten für die maximalen Ho作者: mucous-membrane 時間: 2025-3-22 07:46
hne Horizontalverband ausgeführt. Bei der Tragsicher-heitsuntersuchung dieser Tr?ger sind das Stabilit?tsversagen durch Biegedrillknicken sowie infolge Beulens der Stegbleche zu berück-sichtigen. Im Rahmen der Gebrauchstauglichkeitsuntersuchung ist die Einhaltung von Grenzwerten für die maximalen Ho作者: 館長 時間: 2025-3-22 09:28
n Rechenaufwand..Arbeitsentlastung durch die Verwendung der Kranbahntr?ger für Krananlagen des leichten und mittelschweren Betriebs werden meist als Walzprofile mit Flachstahlschiene ohne Horizontalverband ausgeführt. Zur Reduzierung des erheblichen Planungsaufwandes werden anschauliche Bemessungsdi作者: 圣人 時間: 2025-3-22 16:04
Introduction,ientific activities grew up in a parallel manner. After a short introduction of review reports, basic properties (structural, mechanical, thermal, electrical, and optical) of congruent and near-stoichiometric crystals are presented. Attempts to grow lithium niobate of various compositions are discus作者: 裝入膠囊 時間: 2025-3-22 20:49
Point Defects in LiNbO3,uation in undoped lithium niobate at moderate temperature. Changes in spectral characteristics (optical absorption, EPR) caused by reduction treatments and their interpretation using the polaron model are discussed then. The characteristics are used as tests for Nb antisites, i.e., Nb on an Li site.作者: ascend 時間: 2025-3-22 23:24
General Introduction to Photorefraction in LiNbO3,otorefraction with the presentation of basic relations, the photoinduced charge transport in photorefractive compositions, mainly in LiNbO.:Fe are discussed. The current concept of the dark conductivity is formulated assuming a concurrence between protons and the electronic conductivity dictated by 作者: Granular 時間: 2025-3-23 01:45 作者: 摻假 時間: 2025-3-23 09:20
Problem of a Non-Erasable Photorefractive Hologram,which is based on recording a grating by a long wavelength (IR) possible due to a non-equilibrium population of shallow levels at the expense of a short-wavelength pumping-over of electrons from deeper levels. The two-step photoexcitation via short-living photoinduced centers (‘gating’) is described作者: GREG 時間: 2025-3-23 12:37 作者: COW 時間: 2025-3-23 17:41
Polarization Reversal and Ferroelectric Domains in LiNbO3 Crystals,tching are discussed starting from the Landau-Guinzburg-Devonshire phenomenology with an account for a contribution from domains and domain walls. The concept of the internal bias fields . in ferroelectrics related to an interaction of defects with the host is presented. The Miller-Weinreich model o作者: Tremor 時間: 2025-3-23 19:17 作者: 帶子 時間: 2025-3-23 22:16 作者: neutrophils 時間: 2025-3-24 05:27 作者: 隼鷹 時間: 2025-3-24 08:42
len und verti-kalen Radlasten der Kranbrücke (aus Herstellerangaben) mit den von Stützweite undSystem (Einfeld- oder Durchlauftr?ger) abh?ngigen, aus den Diagrammen ablesbaren aufnehmbaren Radlasten. Der gün-stige Einfluss kraftschlüssig angeschlossener Kranschienen kann berücksichtigt werden. Aus d作者: 樣式 時間: 2025-3-24 11:28 作者: extinguish 時間: 2025-3-24 17:00
Point Defects in LiNbO3,re antagonists of Nb antisites and strongly reduce the photorefraction, when doping above certain threshold concentrations. These dopants increase the phase transition temperature, the density and shift the bandedge absorption towards the UV. Many properties differ below and above the threshold conc作者: 我不死扛 時間: 2025-3-24 21:08
Problem of a Non-Erasable Photorefractive Hologram, form long-living metastable states resulting in slowing down the optical erasure. Another method providing a nonvolatile readout is the thermal fixation of gratings based on screening the recorded electronic space-charge by species of the opposite sign (ions or photoholes) activated when heating to作者: Facet-Joints 時間: 2025-3-25 00:19 作者: incredulity 時間: 2025-3-25 07:11
n?hte zwischen Schiene und Tr?gerobergurt..Die Anwendung in der Praxis hat gezeigt, dass der Einsatz der Diagramme und der Bemessungs- und Nachweisgleichungen zu einer wesentlichen Entlastung für Planer und Prüfer führt..978-3-322-80321-4978-3-322-80320-7作者: Allergic 時間: 2025-3-25 10:09 作者: Blood-Vessels 時間: 2025-3-25 15:03
Book 20093 .and the current situation of studies in the ferroelectric switching and domain structure of LiNbO.3,. as well as the creation of periodically-poled structures for the optical frequency conversion..作者: Hdl348 時間: 2025-3-25 17:05 作者: Directed 時間: 2025-3-25 21:05
Book 2009 contribution of intrinsic defects to photoinduced charge transport, i.e. to the photorefraction, is explained. The photorefractive and optical properties of LiNbO.3. crystals with different stoichiometry and of those doped with so-called "optical-damage resistant" impurities controlling the intrins作者: CHURL 時間: 2025-3-26 04:03
General Introduction to Photorefraction in LiNbO3, refreshed and the experimental data not fitting this model are listed. A refined two-center scheme based on the assumption of the Nb antisite involvement in the charge transport as a shallow electron trap is discussed and the experimental arguments supporting this model are summarized.作者: Arable 時間: 2025-3-26 05:10
Properties to Characterize Undoped and Optical-Damage-Resistant LiNbO3 Crystals,er equations as a function of wavelength, composition, doping, and temperature. The phase-matching temperature and angle in the context of second-harmonic-generation are discussed as well as one other nonlinear feature, the electro-optic effect in lithium niobate doped with damage-resistant impurities.作者: 2否定 時間: 2025-3-26 09:26 作者: BATE 時間: 2025-3-26 13:20 作者: 窒息 時間: 2025-3-26 17:57
978-3-642-08966-4Springer-Verlag Berlin Heidelberg 2009作者: 繁榮地區(qū) 時間: 2025-3-26 23:57
Lithium Niobate978-3-540-70766-0Series ISSN 0933-033X Series E-ISSN 2196-2812 作者: VEIL 時間: 2025-3-27 03:53 作者: Eulogy 時間: 2025-3-27 08:06
Introduction,ientific activities grew up in a parallel manner. After a short introduction of review reports, basic properties (structural, mechanical, thermal, electrical, and optical) of congruent and near-stoichiometric crystals are presented. Attempts to grow lithium niobate of various compositions are discussed.作者: Lament 時間: 2025-3-27 13:29
9樓作者: 終點 時間: 2025-3-27 15:55
9樓作者: 諂媚于人 時間: 2025-3-27 21:15
10樓作者: antiandrogen 時間: 2025-3-27 23:57
10樓作者: 止痛藥 時間: 2025-3-28 05:53
10樓作者: orthopedist 時間: 2025-3-28 09:04
10樓
