RU2342684C1
|
|
Method for determination of aerogenic load of metals onto environment
|
RU2339055C1
|
|
Seismic station with voice support unit employing delta modulation principle
|
RU2340918C2
|
|
Geo-electrical prospecting method
|
RU2337476C2
|
|
Method of periodic electric signal transformation into code
|
RU2310214C1
|
|
Vertical inductive probing method
|
RU2302018C2
|
|
Mode of geoelectrical prospecting
|
RU2207596C2
|
|
Measuring device for geological electric prospecting
|
RU2207595C2
|
|
Procedure establishing occurrence depth of ore body
|
RU2189058C1
|
|
Digital communication channel of seismic recording equipment
|
RU2201032C2
|
|
Analog signal converter
|
RU2179325C2
|
|
Method of geological electric prospecting and gear for its realization
|
RU2158940C2
|
|
Device for geoelectric reconnaissance
|
RU2150720C1
|
|
Method determining jointing of rocks in boreholes
|
RU2156987C2
|
|
Method for inductive vertical sounding
|
RU2156986C2
|
|
Inductance method for electromagnetic monitoring of soil thawing process
|
RU2123194C1
|
|
Method of geochemical inspection of penetrability of water- protection covering on deposits of potassium salts
|
RU2125343C1
|
|
Filtering analog-to-digital converter using delta modulation
|
RU2124742C1
|
|
Seismic signal memory with employment of delta modulation
|
RU2131167C1
|
|
Method and device for analog signal conversion
|
RU2128880C1
|
|
High-capacity analog-to-digital converter using delta modulation for seismic investigations
|