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Effect of noise and vibration on the performance of a particle concentration laser meter and optimization of its parameters
      
The "flow" creep in oriented polyethylene was studied using a Doppler velocity meter.
      
A new correlation meter is proposed which operates using higher harmonics of a heterodyne signal.
      
Deep soil tillage strongly affects the salt status of solonetzes: the content of toxic salts in the upper meter considerably decreases.
      
Results of the spectral measurements of ionospheric noise in the meter band are presented.
      
For monolithic columns, the loading capacity per one meter of column length is found to be 10 and more times higher than that for a standard open capillary column.
      
The device is designed for use in the NES echelle spectrograph mounted in the Nasmyth-2 focus of the 6-meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences.
      
MB are compared to noise storms (NS) at meter-wave frequencies.
      
Efficiency of 32 000 theoretical plates per meter and resolution (R8) of 1.42 were achieved for enantiomers of benzoin using a βCD packed column with 6.2crn packed length.
      
Efficiency of 45 000 theoretical plates per meter andR8 of 3.40 were obtained for enantiomers of mephenytoin.
      
Baseline separation and efficiency of 81 000 theoretical plates per meter were achieved for propranolol.
      
According to the former archaeological materials, the big hollow brick is usually one meter long and thirty to forty centimeters wide, while the solid brick is generally much smaller.
      
Some of them are one meter square, more than 20 centimeters thick, and weight half a ton, which are named 'Brick No.1 in the world' by excavators.
      
Five hundred meter aperture spherical radio telescope (FAST)
      
Five hundred meter aperture spherical radio telescope (FAST) will be the largest radio telescope in the world.
      
Proposal to construct a five hundred meter aperture (active) spherical telescope (FAST)
      
( iii ) UHP hydrous phase evidenced that fluids had taken part in the UHP metamorphism, while the meter-scale inhomogeneous distribution of O-, C-isotope indicated no fluid activity in the deep subduction environment.
      
The spectrometric observations and observations of thunder flashes by electric field meter showed that 6.4 × 1025molecules / flash of NO2 are produced.
      
The structural changes were observed using a light microscope and the rheological parameters (rupture strength, adhesive strength and deformation) determined using a texture meter.
      
The operating cost of treatment per cubic meter industrial wastewater could be below 0.6 to 1.4 Yuan (RMB).
      
 

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