Evapuration Model of the Near Surface Microwave Discharge

1990 ◽  
Vol 189 ◽  
Author(s):  
Yu.V. Bykuv ◽  
A.U. Erieiaeev ◽  
A.A. Sorukin
Keyword(s):  
Discharge Plasma ◽  
Microwave Discharge ◽  
Small Time ◽  
Time Intervals ◽  
Considerable Part ◽  
Near Surface ◽  
Surface Microwave Discharge ◽  
Process Output ◽  
Surface Transformation ◽  
Gas Breakdown

Many technological applications based on the use of intensive microwave radiation are connected with high temperature material processing. As a rule the microwave power being absorbed in the material must provide heating of the processed zone up to rather high temperatures (> 100º c) within fairly small time intervals. hese requirementsare dictated either by the nature of the process ( surface transformation hardening, joining ceramics and metals, cutting materials ) or by necessity to provide sufficiently large process output ( coating of materials, joining of dielectrics, melting, etc.). The upper value uf the exploited radiation intensity is limited by effects of gas breakdown near the treated surface. The considerable part of microwave rad.ation can be absorbed and dispersed by the discharge plasma, hence microwave energy supplied to the material significantly decreases.

Microwave discharge plasma production with resonant cavity for EUV mask inspection tool

2015 ◽  
Vol 54 (12) ◽  
pp. 126701
Author(s):  
Saya Tashima ◽  
Masami Ohnishi ◽  
Waheed Hugrass ◽  
Keita Sugimoto ◽  
Masatugu Sakaguchi ◽  
...  
Keyword(s):  
Discharge Plasma ◽  
Microwave Discharge ◽  
Resonant Cavity ◽  
Plasma Production ◽  
Mask Inspection

A Simple Method for Measuring Small Time Intervals

Science ◽  
1934 ◽  
Vol 79 (2039) ◽  
pp. 82-83
Author(s):  
K. D. Roeder
Keyword(s):  
Small Time ◽  
Time Intervals ◽  
Simple Method

Moving Striation in Microwave Discharge Plasma

1961 ◽  
Vol 16 (6) ◽  
pp. 1255-1255 ◽  
Author(s):  
Mikio Takeyama ◽  
Tanehiro Nakau ◽  
Sōzaburo Yamasaki ◽  
Takeshi Isa
Keyword(s):  
Discharge Plasma ◽  
Microwave Discharge

Nanostructural Evolution of Au on Silica Surfaces Exposed to Low Energy Ions

2006 ◽  
Vol 929 ◽  
Author(s):  
Volha Abidzina ◽  
I. Tereshko ◽  
I. Elkin ◽  
R.L. Zimmerman ◽  
S. Budak ◽  
...  
Keyword(s):  
Glow Discharge ◽  
Discharge Plasma ◽  
Ion Irradiation ◽  
Absorption Spectrometry ◽  
Low Energy ◽  
Glow Discharge Plasma ◽  
Near Surface ◽  
Silica Surfaces ◽  
Low Concentrations ◽  
Low Energy Ions

ABSTRACTWe studied the effects of the low energy ions to induce nucleation of nanoscale crystals on and near surface of silica nano-layer containing low concentrations of Au. Suprasil substrates were coated with thin layer of gold followed by low-energy ion irradiation in a glow discharge plasma. The formation of nanoscale crystals due to low energy ion irradiation were then studied using RBS and optical absorption spectrometry.

Markov chains in small time intervals

1981 ◽  
Vol 18 (3) ◽  
pp. 747-751
Author(s):  
Stig I. Rosenlund
Keyword(s):  
Markov Chain ◽  
Markov Chains ◽  
Transition Probability ◽  
Small Time ◽  
Exact Order ◽  
Time Intervals ◽  
Continuous Parameter ◽  
Minimum Number

For a time-homogeneous continuous-parameter Markov chain we show that as t → 0 the transition probability pn,j (t) is at least of order where r(n, j) is the minimum number of jumps needed for the chain to pass from n to j. If the intensities of passage are bounded over the set of states which can be reached from n via fewer than r(n, j) jumps, this is the exact order.

scholarly journals Scaling behaviour of the global tropopause

2008 ◽  
Vol 8 (5) ◽  
pp. 17891-17905
Author(s):  
C. Varotsos ◽  
M. Efstathiou ◽  
C. Tzanis
Keyword(s):  
Detrended Fluctuation Analysis ◽  
Small Time ◽  
Radiosonde Data ◽  
Fluctuation Analysis ◽  
Tropopause Height ◽  
Time Intervals ◽  
Long Range Correlations ◽  
The Tropics ◽  
Detrended Fluctuation ◽  
Climatic Characteristics

Abstract. Detrended fluctuation analysis is applied to the time series of the global tropopause height derived from the 1980–2004 daily radiosonde data, in order to detect long-range correlations in its time evolution. Global tropopause height fluctuations in small time-intervals are found to be positively correlated to those in larger time intervals in a power-law fashion. The exponent of this dependence is larger in the tropics than in the middle and high latitudes in both hemispheres. Greater persistence is observed in the tropopause of the Northern than in the Southern Hemisphere. This finding for the tropopause height variability should reduce the existing uncertainties in assessing the climatic characteristics.

scholarly journals A Method for Processing Acoustic Doppler Current Profiler Velocity Data from Towed, Undulating Vehicles

2008 ◽  
Vol 25 (9) ◽  
pp. 1710-1716 ◽  
Author(s):  
Jiayi Pan ◽  
David A. Jay
Keyword(s):  
Surface Waters ◽  
High Frequency ◽  
Acoustic Doppler Current Profiler ◽  
Small Time ◽  
Ocean Current ◽  
Near Surface ◽  
Vertical Range ◽  
External Reference ◽  
Current Profiler ◽  
Adcp Measurements

Abstract The utility of the acoustic Doppler current profiler (ADCP) for sampling small time and space scales of coastal environments can be enhanced by mounting a high-frequency (1200 kHz) ADCP on an oscillating towed body. This approach requires both an external reference to convert the measured shears to velocities in the earth coordinates and a method to determine the towed body velocities. During the River Influence on the Shelf Ecosystems (RISE) project cruise, a high-frequency (1200 kHz) and narrowbeam ADCP with mode 12 sampling was mounted on a TRIAXUS oscillating towfish, which steers a 3D path behind the ship. This deployment approach extended the vertical range of the ADCP and allowed it to sample near-surface waters outside the ship’s wake. The measurements from a ship-mounted 1200-kHz narrowbeam ADCP are used as references for TRIAXUS ADCP data, and a method of overlapping bins is employed to recover the entire vertical range of the TRIAXUS ADCP. The TRIAXUS vehicle horizontal velocities are obtained by removing the derived ocean current velocity from the TRIAXUS ADCP measurements. The results show that the method is practical.

Fractal Properties of Financial Assets and Forcasting Financial Crisis

2018 ◽  
pp. 23-41 ◽  
Author(s):  
Inna Nekrasova ◽  
Oxana Karnaukhova ◽  
Oleg Sviridov
Keyword(s):  
Fractal Dimension ◽  
Financial Markets ◽  
Future Development ◽  
Small Time ◽  
Practical Significance ◽  
Financial Assets ◽  
Time Intervals ◽  
Price Fluctuations ◽  
Fractal Properties ◽  
Fractal Index

The chapter is aimed at identification of criteria to select financial assets for investment; observing price fluctuations at small time intervals (up to one week) as possible predictors of the future of a significant increase in the price fluctuations amplitude; determining a fractal dimension of the financial markets on the basis of R/S-analysis; constructing a fractal index indicator to identify a bifurcation point, which gives birth to a possibility of crisis phenomena in economy. Therefore, the practical significance of the chapter lies in the idea of equipping academics and practitioners with new methods and tools for analysis and forecasting future development and dynamics of the financial markets.

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