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ActiveCN102992350BLow costEasy to makeMolecular-sieve and base-exchange phosphatesMolecular-sieve silicoaluminophosphatesGel preparationMolecular sieve
ActiveCN106169506BThe on-breakdown voltage does not decreaseNet N-type doping concentration reductionSemiconductor/solid-state device manufacturingSemiconductor devicesEngineeringGate oxide
InactiveCN101080551AEasy to controlEntering the power stroke movement slows downSteam accumulatorsSteam engine plantsAlternative fuelsReciprocating motion
ActiveCN108550270BAvoid abnormal situations where red and green are bright at the same timeImprove reliabilityTraffic control supervisionTraffic signalEngineering
ActiveCN104772129BOrifice Diameter AdjustmentAvoid the disadvantage of relatively poor selectivityIon-exchange process apparatusOther chemical processesTemperature responseMolecular sieve
InactiveCN109371439BHomogenization of interface chemistryUniform crystallizationAnodisationLiquid/solution decomposition chemical coatingSurface engineeringCarbide silicon
ActiveCN103968643BEnsure production hygieneAchieve dryingDrying solid materials with heatDirect contact heat exchangersFluidized bedMaterial distribution