What are the limitations of boron fiber?()
B、Boron fibers are expensive.
C、Boron fibers is hard to process into composite.
D、Boron has a tendency to react with other metals
- · 有5位网友选择 C,占比50%
- · 有3位网友选择 B,占比30%
- · 有1位网友选择 D,占比10%
- · 有1位网友选择 A,占比10%
B、Boron fibers are expensive.
C、Boron fibers is hard to process into composite.
D、Boron has a tendency to react with other metals
A、We don’t agree to accept your claim.
B、We agree to accept your claim.
C、We are unable to accept your claim.
D、We are sorry to say that, we can not accept your claim.
A、Alumina (Al2O3)
B、Phosphorus pentoxide (P2O5)
C、Silicon nitride (Si3N4)
D、Aluminum nitride (AlN)
A、high melting point and high chemical stability
B、high elastic moduli
C、high hardness and brittleness
D、creep resistance
A、Prepared by sol-gel synthesis
B、Prepared by CVD method
C、Prepared by pyrolysis of a polymeric precursor
D、Prepared by self-assembly
A、Hydrophilic Polymer
B、Hydrophobic Polymer
C、Glassy State
D、Water Infusion
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