The specific chemical structure should be analyzed and identified ulteriorly.
具体的化学结构还有待于进一步分析鉴定。
False. There is no difference. A vitamin has the same properties and specific chemical structure whether made in a laboratory or taken from plant or animal parts.
错误。没有区别，不管是在实验室制造的还是从动植物身上提取出来的维生素，其性质和具体的化学结构都一样。
The chemical modification of PHB can get PHB copolymer with specific structure by molecule design and has more advantages than physical blending. The PHB copolymer c…
PHB化学改性可通过分子设计合成特定结构的PHB共聚物，具有物理共混无法比拟的优势，特别是在组织工程领域有着广泛的应用前景。
Because carbon nanotubes (CNTs) have unique structure, large specific surface area, good thermal and chemical stability, they are considered as good support for catalysts and adsorbents.
碳纳米管具有独特的结构、很大的比表面积，而且具有很高的热稳定性和化学惰性，因此它被认为是一种良好的载体。
Usually quantum chemical calculation is an important way to get structural parameters of specific molecules in study of the structure-activity relationship of organic pollutants.
在有机污染物的结构活性关系研究中，量子化学计算是获得分子结构参数的重要途径。
Usually quantum chemical calculation is an important way to get structural parameters of specific molecules in study of the structure-activity relationship of organic pollutants.
在有机污染物的结构活性关系研究中，量子化学计算是获得分子结构参数的重要途径。
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