化学成分是化学中的一个概念,在纯物质及混合物中有不同(但相近的)意义。
(2)化学成分(chemical composition):矿石中脉石的化学成分,对于它的价值亦有很大的影响,因为鼓风炉中分离杂质和铁液的原理是:把矿石熔融之后利用熔铁液和杂质熔...
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化学成分 ( Chemical constituents ):记述已知 化学成分 或活性成分的名称、类别及主要成分的结构与含量,生药的 化学成分 ,尤其是活性成分或有效成分是生药产生疗...
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不同品种信阳毛尖茶的品质和化学成分比较研究_731苗木网 关键词:绿茶;信阳毛尖茶;品种;品质;化学成分 [gap=639]Key words: green tea; Xinyangmaojian tea;variety;quality;chemical components
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干旱对上部烟叶细胞结构和化学成分的影响_医网打尽文献搜索 关键词:干旱;烟叶;细胞结构;化学成分 [gap=762]Keywords:drought;tobacco;cell structure;chemical ingredients
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Objective To study the chemical constituents of Humulus scandens.
目的研究葎草的化学成分。
参考来源 - 葎草化学成分的研究—《食品与药品·A版》—2008年第3期—龙源期刊网Objective To study the chemical components of Pericarpium Arecae.
目的研究槟榔壳的化学成分。
参考来源 - 槟榔壳中三萜及蒽醌类成分的分离与结构鉴定The surface chemical ingredient was determined by infrared spectrometer, the result shows that there are many–OH and -COOH on the surface of the fiber that was modified by inorganic reagent.
用傅立叶红外光谱仪测定聚丙烯纤维的表面化学成分,研究发现,用无机试剂处理的聚丙烯纤维的表面有羧基和羰基等极性基团生成。
参考来源 - 提高烟用聚丙烯纤维丝束吸附性能的研究The models are named Near Infrared Spectroscopy Testing Item Models. Using the models,we can calculate the contents of different chemistry ingredients through the curves of near infrared spectroscopy,without chemistry test.
应用不同检测项目模型,即可通过近红外光谱曲线计算烟样的相关化学成分含量。
参考来源 - 云南烟叶内在化学成分近红外模型的建立及不同模型比较·2,447,543篇论文数据,部分数据来源于NoteExpress
我们实际上改变了地球大气层的化学成分。
We have literally altered the chemistry of our planet's atmosphere.
那名患者的血液化学成分受到了定时的监测。
许多食物因所含的化学成分和添加剂被怀疑有害健康。
Many foods are suspected of being detrimental to health because of the chemicals and additives they contain.
If you could look at these cells you could find differences between them, there are chemical differences in the content of each of these cells.
如果观察这些细胞,你就能发现这些差异,每个细胞内容物的化学成分,都会有一些不同
Because a swimming pool has a lot of chemicals in it.
因为游泳池里添加了很多化学成分。
Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.
干细胞与祖细胞化学成分的区别,还非常微小,除非你把细胞放在显微镜下,或者看细胞分析报告
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