are increasingly used as partial replacements of natural aggregates, while a number of manufactured aggregates are also permitted.

There are two kinds of aggregates in C, arrays and .

β Sheets permit the formation of ______ fibers—insoluble protein aggregates that include those associated with neurodegenerative disorders, such as Alzheimer’s disease and prion diseases.

Most coal and aggregates are moved in ( )that can be filled and discharged rapidly. A: flat wagons B: refrigerator vans C: open wagons D: covered wagons

The misfolded prion form of a protein can convert the properly folded version of the protein in an infected brain into the normal conformation. This allows the misfolded prions, which tend to form aggregates, to spread rapidly from cell to cell, eventually causing the death of the affected animal or human.

Which behaviors below will increase monetary aggregates ( ). A: The central bank purchases gold B: The central bank purchases foreign exchanges on foreign exchange market C: The central bank purchases government bonds D: Commercial banks sell foreign exchanges on foreign exchange market E: The central bank raises required reserve ratio

Which of the following descriptions is right? A: Asphalt with lower viscosity helps to increase the shear strength of asphalt mixture. B: The lower asphalt content, the higher shear strength of asphalt mixture is. C: The higher asphalt content, the higher shear strength of asphalt mixture is. D: Aggregates with dense framework structure helps to increase the shear strength of asphalt mixture.