CN111141659A
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Simulation experiment device for measuring porosity of tight sandstone
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CN111175221A
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Detection device for corrosivity of metal product
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CN111188601A
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Adjustable underground throttle
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CN111175827A
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High-performance time-frequency domain filtering method for enhancing seismic exploration signals
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CN111187954A
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Aluminum alloy sacrificial anode material for improving water/gas interface protection effect of sewage storage tank and preparation method thereof
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CN111157330A
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Gel particle strength measuring device and method
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CN111198188A
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Method for measuring concentration of surfactant solution based on image acquisition
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CN111191402A
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Method for establishing drag reducer drag reduction effect evaluation and prediction model
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CN111141417A
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High-sensitivity optical fiber temperature sensor, manufacturing method thereof and temperature measuring device
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CN111188998A
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Oil real-time monitoring equipment with a plurality of installation position supports
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CN111175214A
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Method for representing full size of pore diameter of unconventional tight reservoir
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CN111175336A
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Method for measuring and calculating nuclear magnetic resonance two-phase flow sensor
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CN111175170A
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Isothermal adsorption curve correction method based on gravimetric method
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CN111151316A
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Micro-fluidic chip, experimental device and method for visually researching relation between microscopic imbibition and pore-throat ratio
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CN111174897A
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Cantilever beam type two-dimensional fiber grating vibration sensor
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CN111151315A
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Micro-fluidic chip, experimental device and method for researching coordination number and imbibition efficiency of micron-scale pore throat
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CN111118375A
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Chromium carbide-nickel-chromium metal ceramic block material and preparation method thereof
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CN111111711A
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Catalyst for converting higher phenol into lower phenol, preparation method thereof and catalytic method
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CN111142158A
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Calibration method for improving seismic interpretation precision of fault-order structure
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CN111175177A
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High-maturity-over-maturity shale gas content evaluation method based on alkane carbon isotope inversion
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