WordNet
- a device for making a record of the wave forms of fluctuating voltages or currents
PrepTutorEJDIC
- オシログラフ(電流の振動記録計)
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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2015/07/01 23:09:51」(JST)
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Top-Left: Duddell moving-coil oscillograph with mirror in oil bath, Top-Middle: Rotating shutter and moving mirror assembly used with Duddell oscillograph, for placing time-index marks next to the waveform pattern. Top-Right: Moving-film camera for recording the waveform. Bottom: Film recording of sparking across switch contacts, as a high-voltage circuit is disconnected.[1][2][3][4] |
An oscillograph is an instrument for measuring alternating or varying electric current in terms of current and voltage. There are two instruments that are in common use today:
- Electromagnetic oscillograph
- Cathode-ray oscilloscope
References
- ^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1858, Fig. 2607
- ^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1855, Fig. 2620
- ^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1866, Figs. 2621-2623
- ^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1867, Fig. 2625
English Journal
- Effect of Montelukast on bradykinin-induced contraction of isolated tracheal smooth muscle of guinea pig.
- Noor A, Najmi MH, Bukhtiar S.Author information Department of Pharmacology, Islamic International Medical College, Pakistan.AbstractAIM: To explore the effect of montelukast on bradykinin-induced tracheal smooth muscle contraction of isolated guinea pig trachea.
- Indian journal of pharmacology.Indian J Pharmacol.2011 Jul;43(4):445-9. doi: 10.4103/0253-7613.83119.
- AIM: To explore the effect of montelukast on bradykinin-induced tracheal smooth muscle contraction of isolated guinea pig trachea.STUDY DESIGN: To study the effect of bradykinin in the absence and in the presence of montelukast on the isolated tracheal smooth muscle of a guinea pig pretreated with i
- PMID 21845003
- [Study on ultraviolet upconversion emissions of Gd3+ induced by Tm3+ under 980 nm excitation].
- Cao CY, Yu XG, Qin WP, Zhang JS.Author information College of Mathematics and Physics, Jinggangshan University, Ji'an 343009, China. caoyan_80@126.comAbstractSeries of Tm3+/Yb3+ co-doped GdF3 powders were synthesized through an easy and mild hydrothermal method. The phase and purity of powders were characterized by powder X-ray diffraction (XRD) (Rigaku RU-200b). The morphologies of the samples were characterized by field emission scanning electron microscopy (FE SEM) (Hitachi S-4800). The ultraviolet (UV) up-conversion (UC)emission spectra were recorded by a fluorescence spectrophotometer (Hitachi F-4500) with a 980 nm semiconductor continuous wave laser diode as the excitation source. And the luminescent dynamics was measured by excitation with 980 nm using an optical parameter oscillator (OPO) laser pumped by a pulsed Nd : YAG laser with a pulse duration of 10 ns, repetition frequency of 10 Hz, and the signal was recorded by using a monochromator and an oscillograph. Under 980 nm excitation, Gd3+, acting as a kind of host ion in the studied system, and its UV UC emissions were observed and studied. The luminescent dynamics of the characteristic emission of Gd3+ (311.6 nm, 6P7/2 --> 8S7/2) was explored and studied. The luminescent dynamics analysis results indicated that, on UV UC emissions of Gd3+, Yb3+ ions served as primary sensitizer ions successively transferring energy to Tm3+ to populate the 3P2 level. Then, Tm3+ ions served as secondary sensitizer ions transferring energy to populate the multiple 6 I(J) states of Gd3+ 3P2 --> 3H6 (Tm3+): 8S7/2 --> 6 I(J) (Gd3+). Further, 6D(J) levels were populated through other energy transfer processes between Gd3+ and Yb3+ or Tm3+. Finally, UV UC emissions from the excited 6D9/2, 6 I(J), 6P5/2, and 6P7/2 states to the ground state 8S7/2 were observed. Meanwhile, Tm3+ acted as activator in its own UC emissions, and the article did not put emphasis on those except the 3P2 and 1 I6 levels to the ground state 3 H6 transitions. Especially, the dependences of UV UC emissions of Gd3+ on the Yb3+ concentrations, the Tm3+ concentrations, the annealing temperatures, and the excitation power densities of the 980 nm semiconductor continuous wave laser diode were studied, too.
- Guang pu xue yu guang pu fen xi = Guang pu.Guang Pu Xue Yu Guang Pu Fen Xi.2010 Mar;30(3):616-20.
- Series of Tm3+/Yb3+ co-doped GdF3 powders were synthesized through an easy and mild hydrothermal method. The phase and purity of powders were characterized by powder X-ray diffraction (XRD) (Rigaku RU-200b). The morphologies of the samples were characterized by field emission scanning electron micro
- PMID 20496672
- Spasmolytic effect of Petroselinum crispum (Parsley) on rat's ileum at different calcium chloride concentrations.
- Moazedi AA, Mirzaie DN, Seyyednejad SM, Zadkarami MR, Amirzargar A.Author information Department of Biology, School of Science, Shahid Chamran University, Ahwaz, Iran.AbstractTraditional herbal medicines such as Petroselinum crispum (Parsley) have been used for treatment of intestinal disorders in Iran. To date no pharmacological evidence for their effectiveness has been reported. The aim of this study was to examine the relaxant effect of hydroalcoholic extract of Petroselinum crispum on isolated adult male Wistar rat's ileum contraction by KCl 60 (mM). The extract was prepared from parsley seed with 80% ethanol. A portion of ileum was removed and placed in an organ bath containing Tyrode solution (37 degrees C, pH = 7.4) bubbled with air. From a resting tension of 1 g, isotonic Transducer and Harvard Universal Oscillograph were used for recording contraction of ileum after administration of 60 mM KCl. Various concentration of extract were added to the bath. This experiment showed that, the extract in a dose-dependent manner decreased the induced-KCl ileums contraction (n = 7, p < 0.001). Also adding extract before influence of KCl, cause reduced effect of KCl (n = 7, p < 0.001). In addition, the Tyrode solution without CaCl2 and high concentration of K+, various concentration of extract significantly (n = 7, p < 0.001) decreased the CaCl2-induced contraction. Therefore, it seems that the relaxation effect of extract alcoholic parsley seed on the contraction of ileum is performed by blocking of voltage-gated calcium channels.
- Pakistan journal of biological sciences: PJBS.Pak J Biol Sci.2007 Nov 15;10(22):4036-42.
- Traditional herbal medicines such as Petroselinum crispum (Parsley) have been used for treatment of intestinal disorders in Iran. To date no pharmacological evidence for their effectiveness has been reported. The aim of this study was to examine the relaxant effect of hydroalcoholic extract of Petro
- PMID 19090276
Japanese Journal
- 成田 知巳,太田 浩,財満 英一 [他],石井 勝
- 電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 133(8), 685-689, 2013-08-01
- … Double-circuit flashovers on the UHV minami-iwaki transmission line occurred the first time with successful re-closing of the circuit in 2006.In this paper, we report on the melted OPGW500mm2, lightning location system (JDLN), oscillograph, and the phenomenon analyzed by using EMTP. … (2) According to the oscillograph, the fault was occurred at the phase of 270 degrees. …
- NAID 10031189029
Related Links
- oscillographとは。意味や和訳。[名]《電気》オシログラフ, 振動記録器.os・cigrave;l・lo・graph・ic[形] - goo辞書は国語、英和、和英、中国語、百科事典等からまとめて探せる辞書検索サービスです。 ... gooのお知らせ gooヘルスケア「おも ...
- oscillograph instrument for indicating and recording time-varying electrical quantities, such as current and voltage. The two basic forms of the instrument in common use are the electromagnetic oscillograph and the cathode-ray ...
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