The length or size of a polymer molecule can be quantified by ___. A. The number of repeating units linked together in a polymer chain B. The degree of polymerization C. Number-average molecular weight D. Weight-average molecular weight 相关知识...
Diene elastomer containing vinylaromatic monomer units; number-average molecular weight Mn of less than 2000 g/mol; glass transition temperature Tg of greater than -25 degrees C.; improved wear resistance; passenger-vehicle tires.doi:US7329704 B2...
Didier VasseurUSUS7253225 2005年3月3日 2007年8月7日 Michelin Recherche Et Technique, S.A. Containing a plasticizing resin of number-average molecular weight of 400-2000 g/mol, having units from a monocyclic or bicyclic unsaturated terpene; wear resistance, suitable for travelling on icy, snow-...
C.Number-average molecular weight D.Weight-average molecular weight相关知识点: 试题来源: 解析 The number of repeating units linked together in a polymer chain;The degree of polymerization;Number-average molecular weight;Weight-average molecular weight 反馈...
The length or size of a polymer molecule can be quantified by _. A.The number of repeating units linked together in a polymer chainB.The degree of polymerizationC.Number-average molecular weightD.Weight-average molecular weight相关知识点: 试题来源: 解析 ABCD 反馈 收藏 ...
Define number agreement. number agreement synonyms, number agreement pronunciation, number agreement translation, English dictionary definition of number agreement. Noun 1. number agreement - agreement in number between words in the same grammatical cons
When a subscript, such as “n” in the generic formula [***]n, is used to depict the number of repeating units in a polymer's chemical formula, the formula should be interpreted to represent the number average molecular weight of the macromolecule. The term “individual” includes humans ...
Avogadro’s number, number of units in onemoleof any substance (defined as itsmolecular weightin grams), equal to 6.02214076 × 1023. The units may beelectrons,atoms,ions, ormolecules, depending on the nature of the substance and the character of the reaction (if any).See alsoAvogadro’s ...
molecular weight Avogadro’s number See all related content Top Questions How is a mole defined? How is a mole calculated? What is Avogadro’s number? How to use the ideal gas lawOverview of how Avogadro's number is used to measure the number of units of any substance.(more) ...
Based on microscopic studies, the haploid chromosome number has been variously reported as 40–43, with a diploid number of about 90 and an average molecular weight per chromosome of 4 × 109 Da (about 6 Mb) (Mohberg, 1977), although there have been reports that the chromosome number varie...