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ActiveCN106442727BThe preparation process has obvious influenceStrain dependentAnalysing solids using sonic/ultrasonic/infrasonic wavesElement modelLaser sensor
ActiveCN110166224BEasy to useReduce bandwidth requirementsKey distribution for secure communicationEncryption apparatus with shift registers/memoriesDigital signatureEngineering
InactiveCN1224204CImprove transmission power control accuracyReduce power consumptionPower managementGain controlAudio power amplifierTransmitted power
ActiveCN104835779BSolve the problem of not being able to fuseIncrease resistanceSemiconductor/solid-state device detailsSolid-state devicesTitanium nitrideMetal
ActiveCN108005649BMeans of extending interpretationEmbodies the characteristics of gas detectionConstructionsBorehole/well accessoriesWell drillingTest segment
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