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Wyświetlanie 1-6 z 6
Tytuł:
Experimental Studies on Charging Operation of a Compact Repetitive Tesla Transformer
Autorzy:
Zhang, Z.
Zhang, J.
Yang, H.
Qian, B.
Meng, Z.
Li, D.
Wang, S.
Cao, Y.
Zhou, W.
Powiązania:
https://bibliotekanauki.pl/articles/1807860.pdf
Data publikacji:
2009-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
84.30.Ng
84.30.Jc
84.30.Qi
84.70.+p
Opis:
Charging operations of a compact Tesla transformer were experimentally investigated, in single-shot and rep-rate (50 pps for 1 s) modes, respectively. The charging limitations were also explored. The experimental results were compared and analyzed. The maximum secondary charging voltages of the Tesla transformer were measured to be 380 kV and 300 kV in single-shot and rep-rate modes, respectively. The RMS pulse-to-pulse instability of the secondary charging voltage is generally less than 10% but increases with the increasing initial voltage across the primary capacitor. Since the secondary capacitor of the Tesla transformer is a pulse forming line (PFL), continued operation is possible if there is breakdown in the PFL. Furthermore, operation can even be continued under occasional breakdown for some pulses, without the effects on the operations of subsequent pulses.
Źródło:
Acta Physica Polonica A; 2009, 115, 6; 973-975
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of serum adiponectin and leptin in healthy perinatal dairy cows or cows with ketosis, and their effectson ketosis involved indices
Autorzy:
Shen, L.
Qian, B.
Xiao, J.
Zhu, Y.
Hussain, S.
Deng, J.
Peng, G.
Zuo, Z.
Zou, L.
Yu, S.
Ma, X.
Zhong, Z.
Ren, Z.
Wang, Y.
Liu, H.
Zhou, Z.
Cai, D.
Hu, Y.
Zong, X.
Cao, S.
Powiązania:
https://bibliotekanauki.pl/articles/2087289.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
adiponectin
dairy cows
ketosis
leptin
perinatal period
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 3; 373-381
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Free-Carrier Plasmons as a Novel Tool in Semiconductor Physics
Autorzy:
Szuszkiewicz, W.
Bardyszewski, W.
Dingrong, Qian
Jiaming, Zhang
Julien, C.
Balkanski, M.
Witkowska, B.
Mycielski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1879491.pdf
Data publikacji:
1991-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.45.Gm
72.30.+q
75.50.Pp
Opis:
It is demonstrated that free-carrier plasmons being well defined collective excitations of the electron gas in the range of small wave vectors can serve as a sensitive tool to investigate the optical processes related to the small momentum transfers. As an example the system HgSe:Fe is analysed both experimentally and theoretically.
Źródło:
Acta Physica Polonica A; 1991, 79, 1; 141-144
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design of simultaneous input-shaping-based SIRMs fuzzy control for double-pendulum-type overhead cranes
Autorzy:
Qian, D.
Tong, S.
Yang, B.
Lee, S.
Powiązania:
https://bibliotekanauki.pl/articles/953059.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
SIRMs fuzzy control
double-pendulum-type overhead cranes
sterowanie rozmyte
SIRM
suwnica wahadłowa
Opis:
Overhead cranes are extensively employed but their performance suffers from the natural sway of payloads. Sometime, the sway exhibits double-pendulum motions. To suppress the motions, this paper investigates the design of simultaneous input-shaping-based fuzzy control for double-pendulum-type overhead cranes. The fuzzy control method is based on the single input-rule modules (SIRMs). Provided the all the system variables are measurable, the SIRMs fuzzy controller is designed at first. To improve the performance of the fuzzy controller, the simultaneous input shaper is adopted to shape the control command generated by the fuzzy controller. Compared with other two control methods, i.e., the SIRMs fuzzy control and the convolved input-shaping-based SIRMs fuzzy control, simulation results illustrate the feasibility, validity and robustness of the presented control method for the anti-swing control problem of double-pendulum-type overhead cranes.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2015, 63, 4; 887-896
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Teaching Machines on Snoring : A Benchmark on Computer Audition for Snore Sound Excitation Localisation
Autorzy:
Qian, K.
Janott, C.
Zhang, Z.
Deng, J.
Baird, A.
Heiser, C.
Hohenhorst, W.
Herzog, M.
Hemmert, W.
Schuller, B.
Powiązania:
https://bibliotekanauki.pl/articles/177964.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
snore sound
obstructive sleep apnea
acoustic features
machine learning
Opis:
This paper proposes a comprehensive study on machine listening for localisation of snore sound excitation. Here we investigate the effects of varied frame sizes, and overlap of the analysed audio chunk for extracting low-level descriptors. In addition, we explore the performance of each kind of feature when it is fed into varied classifier models, including support vector machines, k-nearest neighbours, linear discriminant analysis, random forests, extreme learning machines, kernel-based extreme learning machines, multilayer perceptrons, and deep neural networks. Experimental results demonstrate that, wavelet packet transform energy can outperform most other features. A deep neural network trained with subband Energy ratios reaches the highest performance achieving an unweighted average recall of 72.8% from four types for snoring.
Źródło:
Archives of Acoustics; 2018, 43, 3; 465-475
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expression of follicle-stimulating hormone receptor (FSHR), protein kinase B-2 (AKT2) and adapter protein with PH domain, PTB domain, and leucine zipper (APPL1) in pig ovaries
Autorzy:
Ning Zhou
Ning Wang
Xiang Qin
Qian Liu
Juhua Wang
Hui Dong
Jie Zhou
Fugui Fang
Powiązania:
https://bibliotekanauki.pl/articles/2087861.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pigs
immunohistochemistry
FSHR
AKT2
APPL1
Źródło:
Polish Journal of Veterinary Sciences; 2017, 4; 661-667
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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