How to measure the tacticity of polymers? List main methods/
How to measure the tacticity of polymers? List main methods/
Polymers transmit heat mainly through free electrons.
Polymers transmit heat mainly through free electrons.
Modern concrete blends are reinforced with steel fibers and __________ for strength and to prevent cracking.( ) A: water reducing fibers B: water condesation polymers C: water tower D: water reducing polymers
Modern concrete blends are reinforced with steel fibers and __________ for strength and to prevent cracking.( ) A: water reducing fibers B: water condesation polymers C: water tower D: water reducing polymers
A composite is composed of two (or more) individual materials, which come from metals, ceramics, and polymers.
A composite is composed of two (or more) individual materials, which come from metals, ceramics, and polymers.
中国大学MOOC: Usually, polymers have the structures of _________, and various isomeric configurations
中国大学MOOC: Usually, polymers have the structures of _________, and various isomeric configurations
The microtubules and microfilaments of the cytoskeleton are dynamic polymers that are subject to shortening， lengthening， disassembly， and reassembly.（ ）
The microtubules and microfilaments of the cytoskeleton are dynamic polymers that are subject to shortening， lengthening， disassembly， and reassembly.（ ）
中国大学MOOC: Polymers transmit heat mainly through free electrons.
中国大学MOOC: Polymers transmit heat mainly through free electrons.
A composite is composed of two (or more) individual materials, which come from metals, ceramics, and polymers. A: 正确 B: 错误
A composite is composed of two (or more) individual materials, which come from metals, ceramics, and polymers. A: 正确 B: 错误
材料可分为哪些类？ A: Metals B: Ceramics C: Polymers D: Composites
材料可分为哪些类？ A: Metals B: Ceramics C: Polymers D: Composites
Proteins are natural polymers of amino acids with primary structure, secondary structure, tertiary structure and quaternary structure.
Proteins are natural polymers of amino acids with primary structure, secondary structure, tertiary structure and quaternary structure.