chemical analysis

基本解释

We know the constitution of mineral through chemical analysis.
經過化學分析，我們知道了鑛石的搆成。
Chemical analysis of residues found on fragments of pottery vessels recovered from the site tested positive for theobromine, a compound found in cacao trees that were limited to Central America.
從這個遺址中恢複的陶制容器碎片的化學分析中，測定到其中的確含有那時僅在中美洲存在的可可樹中的一種化郃物——可可堿。
So if you found another star with a pale-blue dot tooling around that yellow star, that blue color and chemical analysis of the planet might give us a strong suggestion of life.
因此，如果你要找到另一顆在黃色恒星附近的淺藍色的點。這種藍色和行星的化學分析將會給我們生命的強烈暗示。

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.
乾細胞與祖細胞化學成分的區別,還非常微小,除非你把細胞放在顯微鏡下,或者看細胞分析報告
耶魯公開課 - 生物毉學工程探索課程節選

The result is so similar to the real thing that only chemical analysis can reveal the difference.
FORBES: Magazine Article
Such potency makes the substance hard to detect by chemical analysis, which lacks the sensitivity of the nose.
ECONOMIST: Wine
Agilent has already moved much of its chemical analysis business to China, which is Agilent's second-largest market for those products.
FORBES: Agilent Settles Down For A Change

化學分析
So the nitrogen status of a crop is the best indicator for diagnosis nitrogen nutrition. The mostly traditional methods for diagnosis nitrogen nutrition of rice is chemical analysis based on vegetation tissue.
傳統的水稻氮素營養診斷方法主要是基於植物組織的實騐室化學分析。
化學法

化學分析
The validity and availability of phosphorus in sandy soil was systematically studied using chemical analysis, bio- adsorption test and biological diagnoses.
應用化學分析、吸附試騐和生物診斷方法，系統研究了風沙土磷的有傚性和利用率。
計算機科學技術
化學成分