Results 41 to 50 of about 1,118,371 (206)

Start of SPIDER operation towards ITER neutral beams [PDF]

, 2018
Heating Neutral Beam (HNB) Injectors will constitute the main plasma heating and current drive tool both in ITER and JT60-SA, which are the next major experimental steps for demonstrating nuclear fusion as viable energy source.
Agostinetti, P., Agostini, M., Antoni, V., Aprile, D., Baltador, C., Barbisan, M., Battistella, M., Bello, S. Dal, Bigi, M., Boilson, D., Boldrin, M., Bonicelli, T., Brombin, M., Cavazzana, R., Cavenago, M., Chakraborty, A., Chitarin, G., Dan, M., De Lorenzi, A., De Muri, M., Delogu, R., Denizeau, S., Fadone, M., Fantz, U., Fellin, F., Ferbel, L., Ferro, A., Gaio, E., Gambetta, G., Gasparini, F., Gnesotto, F., Grando, L., Heinemann, B., Jain, P., Kraus, W., Luchetta, A., Maistrello, A., Manduchi, G., Manfrin, S., Marchiori, G., Marconato, N., Marcuzzi, D., Moresco, M., Palma, M. Dalla, Pasqualotto, R., Patel, H., Patton, T., Pavei, M., Peruzzo, S., Pilan, N., Pimazzoni, A., Piovan, R., Poggi, C., Pomaro, N., Recchia, M., Rizzolo, A., Rostagni, G., Rotti, C., Sartori, E., Serianni, G., Singh, N. P., Siragusa, M., Sonato, P., Spagnolo, S., Spolaore, M., Taliercio, C., Tinti, P., Toigo, V., Ugoletti, M., Valente, M., Veltri, P., Zaccaria, P., Zamengo, A., Zaniol, B., Zanotto, L., Zaupa, M.   +75 more
core   +1 more source

The gas phase cyclization of deprotonated N-aryl-2-cyano-2-diazoacetamides [PDF]

, 2005
The document attached has been archived with permission from the publisher.1-Aryl-4-cyano-5-hydroxy-1,2,3-triazoles can be obtained in solution by base-catalysed cyclization of N-aryl-2-cyano-2-diazoacetamides.
Bilusich, D., Blumenthal, T., Bowie, J., Lebedev, A., Lobodin, V., Morzherin, Y., Ovcharenko, V.   +6 more
core   +2 more sources

Experimental and simulation study on the backstreaming positive ions on the quarter-size negative ion source for CRAFT NNBI test facility

Nuclear Engineering and Technology
As an effective methods of plasma heating, neutral beam injection (NBI) systems based on negative hydrogen ion sources will be utilized in future magnetic-confinement nuclear fusion experiments.
Yongjian Xu, Yuwen Yang, Jianglong Wei, Ling Yu, Wen Deng, Rixin Wang, Yuming Gu, Chundong Hu, Yahong Xie   +8 more
doaj   +1 more source

Negative ion research at the Culham Centre for Fusion Energy (CCFE)

New Journal of Physics, 2016
A summary of negative ion development work being presently undertaken at the Culham Centre for Fusion Energy is given. The small negative ion facility has an RF driven volume ion source with beam extraction at energies up to 30 keV. The extracted beam of
R McAdams, A J T Holmes, D B King, E Surrey, I Turner, J Zacks   +5 more
doaj   +1 more source

Direct detection and identification of active pharmaceutical ingredients in intact tablets by helium plasma ionization (HePI) mass spectrometry

Journal of Pharmaceutical Analysis, 2014
A simple modification converts an electrospray ion source to an ambient-pressure helium plasma ionization source without the need of additional expensive hardware.
Athula B. Attygalle, Freneil B. Jariwala, Julius Pavlov, Zhihua Yang, Jason A. Mahr, Mabel Oviedo   +5 more
doaj   +1 more source

Numerical Simulations and the Design of Magnetic Field-Enhanced Electron Impact Ion Source with Hollow Cylinder Structure

Journal of Analytical Methods in Chemistry, 2020
An electron impact ion source-adopted magnetic field-enhanced technology has been designed for enhancing the electron intensity and the ionization efficiency.
Guochen Qi, Di Tian, Guolun Gao, Guangda Liu, Chunling Qiu, Tao Long   +5 more
doaj   +1 more source

Theoretical calculation of cesium deposition and co-deposition with electronegative elements on the plasma grid in negative ion sources

Nuclear Materials and Energy, 2023
We studied the work function of cesium deposition and co-deposition with the electronegative element on the plasma grid (PG) using the first-principles calculations.
Heng Li, Xin Zhang, Yuhong Xu, Guangjiu Lei, Katsuyoshi Tsumori, Mitsutaka Isobe, Akihiro Shimizu, Zilin Cui, Yiqin Zhu, Jun Hu, Yuxiang Ni, Shaofei Geng, Haifeng Liu, Xianqu Wang, Jie Huang, Hai Liu, Jun Cheng, Changjian Tang, CFQS team   +18 more
doaj   +1 more source

Ions in motor vehicle exhaust and their dispersion near busy roads [PDF]

, 2010
Measurements in the exhaust plume of a petrol-driven motor car showed that molecular cluster ions of both signs were present in approximately equal amounts.
Jayaratne, Rohan, Ling, Xuan, Morawska, Lidia   +2 more
core   +2 more sources

Analysis and optimization of cesium dynamics for the HUST negative ion source

Nuclear Engineering and Technology
The high-density beam in the NBI negative ion source relies on surface production on the converter with low work function, which is facilitated by cesium injection.
Feng Xue, Chen Zuo, Dong Li, Dezhi Chen
doaj   +1 more source

ITER-relevant 600 s steady-state extraction of negative hydrogen ions at the test facility ELISE

Nuclear Fusion
The neutral beam heating system for the future international fusion experiment ITER will be based on radio-frequency driven ion sources delivering a large (≈1 × 2 m ^2 ) and homogeneous negative hydrogen or deuterium ion beam of several ten Amperes for ...
D. Wünderlich, R. Riedl, M. Fröschle, A. Heiler, A. Navarro, D. Yordanov, A. Döring, U. Fantz   +7 more
doaj   +1 more source