chromatography

/ˌkɹəʊ.məˈtɒɡɹə.fi/

Meanings

noun

色谱法，层析法

Any of various techniques for the qualitative or quantitative separation of the components of mixtures of compounds; all characterised by the use of a mobile phase (gas or liquid) moving relative to a stationary phase (liquid or solid) - the differences between the rates of migration of the compounds between the two phases effects the separation.

Examples :

"Chemists used chromatography to separate the different colored dyes in the marker ink. "

化学家们使用色谱法来分离马克笔墨水中不同的彩色染料。

Related Words

differences noun

/ˈdɪfɹənsɪz/

差异，差别。

"You need to learn to be more tolerant of difference."

你需要学会更加宽容地对待差异。

mixtures noun

/ˈmɪkstʃərz/ /ˈmɪkstʃʊrz/

混合，搀和

"The baker carefully observed the mixtures in the bowl, checking to see if the flour and water were properly combined. "

面包师仔细观察碗里的混合物，检查面粉和水是否充分混合。

different noun

/ˈdɪf.(ə)ɹ.ənt/

差别，差异。

"My family has a different ideal for my future than I do. "

对于我的未来，我的家人和我的理想存在差别。

quantitative adjective

/ˈkwɒntətɪv/ /ˈkwɑntɪˌteɪtɪv/

定量的，数量的

"The teacher asked for a quantitative analysis of the students' test scores, instead of just a general description of how they performed. "

老师要求对学生的考试成绩进行定量分析，而不是只做一般性的描述。

migration noun

/maɪˈɡɹeɪʃ(ə)n/

迁移，迁徙。

"The family's migration to a new town was temporary; they planned to return in a year. "

这家人的暂时搬迁到新城镇只是暂时的；他们计划一年后返回。

techniques noun

/tɛkˈniːks/ /tɛkˈniːksɪz/

技巧，技术，手法

""The chef shared his cooking techniques with the new apprentices during the training session." "

在培训期间，厨师向新学徒们分享了他的烹饪技巧。

characterised verb

/ˈkærəktəraɪzd/ /ˈkærəktəˌraɪzd/

刻画, 描绘 (often with a negative connotation)

"The news report characterised the protesters as violent and disruptive, even though most of them were peaceful. "

新闻报道把抗议者刻画成暴力和具有破坏性的形象，尽管他们中的大多数人都是和平的。

qualitative noun

/ˈkwɒl.ɪ.tə.tɪv/ /ˈkwɑl.ɪˌteɪ.tɪv/

性质，质量。

"The qualitative differences between the two schools were noticeable in their teaching methods. "

这两所学校在教学方法上，体现出明显的性质差异。

components noun

/kəmˈpoʊnənts/ /kɑmˈpoʊnənts/

零件，部件。

"A CPU is a component of a computer."

中央处理器(CPU)是电脑的一个零件。

stationary noun

/ˈsteɪʃ(ə)n(ə)ɹi/ /ˈsteɪʃəˌnɛɹi/

静止物，静止不动的东西。

"The astronomer observed the stationary planet, noting its lack of apparent movement in the night sky. "

天文学家观察着那颗静止不动的行星，记录下它在夜空中缺乏明显移动的现象。

separation noun

/sɛpəˈɹeɪʃən/

分离，分隔，隔离

"The separation of the classroom into smaller groups for the lesson was efficient. "

为了上课更有效率，把教室里的学生分成几个小组，这种分隔方式很有效。

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地，场地。

""During the war, the refugees lived in guarded compounds for their safety." "

战争期间，难民们为了安全起见，居住在有警卫的营地里。