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A microprocessor-based precision three-channel high-speed frequency meter with a zero dead time
      
A microprocessor-based frequency meter with a zero dead time is described.
      
It is shown that substances with a sufficiently high boiling point can be separated at temperatures of 20-30°C in 2-3 min with an efficiency of about 1500 theoretical plates per meter (300 theoretical plates for a 20-cm column).
      
It was found that capillary columns of nonround cross section with efficiencies of up to 500-600 theoretical plates per meter could easily be prepared.
      
Measurements made with a submersed sensor demonstrated that one-meter ice transmits light in a quantity sufficient for oxygenic and anoxygenic photosynthesis.
      
As a result, the negative axial aberration coefficients can be varied over the wide range from a few millimeters to one meter with the mirror focal length and the particle energy being fixed.
      
UNM-300/2000 Magnetizing Device and Its Use for Magnetic-Powder Testing Together with an MF-23IM Magnetic Meter
      
The possibility and advantages of the mutual use of the UNM-300/2000 magnetizing device and an MF-23IM flaw-detection magnetic meter for carrying out magnetic-powder testing are analyzed.
      
Use of the Flux-Gate Meter for Optimizing the Local Laser Treatment of Electrotechnical Steel
      
The possibilities of an MF-23IM flaw-detection magnetic meter for carrying such examination are analyzed.
      
Technical characteristics of the MF-23IM flaw-detection magnetic meter are given.The possibility of graphic mapping of the shape of magnetic field pulse is described.
      
The КРМ-Ц-Дельта thickness meter is equipped with a powerful microprocessor-based data processing system, which expands the capabilities of the instrument.
      
The ЭМАТ-100 thickness meter is a small-size and small-weight instrument.
      
A TX-4 tesla meter for measuring constant, alternating, and pulsed fields over a wide range of magnitudes
      
A new instrument-a magnetic-field meter (tesla meter)-having universal capabilities for measuring constant, alternating, and pulsed magnetic fields over a wide range of magnitudes is presented.
      
Comparison of Chlorophyll Meter Readings with Leaf Chlorophyll Concentration in Amaranthus vlitus: Correlation with Physiologica
      
The portable chlorophyll meter (SPAD-502) has been successfully used for a rapid and direct estimation of total chlorophyll content (TCHL) in the leaves of some crops.
      
In this work, SPAD-502 meter readings and TCHL concentration were compared for the leaves of Amaranthus vlitus L., a common weed.
      
The estimates were corrected for carbon losses associated with phloem transport of photosynthetic products per each meter of transport pathway (14 kg C/(kg chlorophyll m)), as well as for respiratory losses of heterotrophic phytomass.
      
The issue of the presence of meter- and decameter-sized bodies in meteor and fireball streams is of fundamental importance in the context of the theory of disintegration of parent bodies.
      
 

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