This is a chemical composition.
这是化学合成物。
It is also high in antioxidant properties due to a chemical composition that includes tannins, phyto-chemicals and flavonoids.
它还具有高的抗氧化成分，其中包括单宁酸，植物化学品和黄酮类化合物。
Chemical analysis: chemical analysis regarding material quality a chemical composition to be found in conformity with the standard stipulations.
化学分析：对材质的化学成分进行化学分析，化学成分符合标准规定。
We know they smear a liquid on the tube, but we don't know where they secrete it from or what its chemical composition is.
我们知道它们在管上涂抹了一种液体，但我们不知道它们从哪里分泌出这种液体，也不知道它的化学成分是什么。
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
If a change does not affect the food's chemical composition, we call it a physical change.
如果一种变化不影响食物的化学成分，那我们便称之为物理变化。
There have been 73 missions, manned and unmanned, to the Moon, and understanding its chemical composition, particularly finding water, has always been a priority.
迄今为止，围绕月球，共开展了73项科学探测任务，载人或者无人，以了解月球的化学成分，尤其是发现水，更是重点关注的项目。
Ascertaining that a star has exactly the sun's age is impossible, he says, and many unrelated stars share its chemical composition.
他继续补充道，找到一个和太阳有相同年龄的恒星根本没有可能，而且很多和太阳没有关系的恒星也有着与其相同的化学构成。
Technicians can date paint from its chemical composition, for example, or X-ray a canvas to reveal what lies below the surface.
例如，技术人员可以通过其化学成分分析其创作日期，或者对一幅画做X光透视，揭示其表面下有什么。
Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition-a finding that could help rid some processed foods of chemical preservatives.
已有些研究者认为他们找到了答案,这与食物的结构有关,而不是它的化学成分—这一发现使得有些化学处理保存食物的方法无效了。
The reserve tanks at a reactor contain the same grade of water in terms of purity and chemical composition that are normally used in the core.
反应堆的储备箱里储备了与反应堆内同等纯度和化学构成的水。
X-ray photoelectron spectroscopy proves a very effective mean in identifying the film composition and the chemical states of the elements in the complicated oxide film.
射线光电子能谱是鉴定这类复杂氧化物膜中元素的化学态及膜组成的有效工具。
Like aspirin, anticoagulants prevent blood clots by changing the chemical composition of the blood in a way that prevents clots from occurring.
像阿司匹林，抗凝血剂防止改变，在某种程度上，可以防止血栓的发生血液化学成分的血液凝块。
A report of the chemical composition of the elements, and their percentage that form a stainless steel product.
阐述不锈钢的化学组成元素及其比例的报告。
We present a new approach for rapid collection of fine particles and on-line measurement of chemical composition.
本文介绍了一种新型的大气细粒子快速捕集及其化学成分在线分析方法。
Through long-term monitoring of the change of the chemical composition of groundwater, a new kind of premonitory information for earthquake prediction may be provided.
通过长期监测地下水中水化学成分的变化，就有可能为预测预报地震提供一种新的前兆信息。
Objective: To make a systematic study of the cactus chemical composition.
前言：目的：对仙人掌化学成分进行系统研究。
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。
Biocompatibility is the basic requirement for polymers used as medical device in clinic, and it's a crucial pathway changing surface chemical composition to improve the biocompatibility of polymers.
生物相容性是高分子材料在临床上用作医用装置的基本要求，改变高分子材料的表面化学组成是提高其生物相容性的重要途径。
This is not a new concept as experts have known for many years that the chemical composition of a person's breath changes when they develop lung cancer.
这不是一个新的感念，因为多年来专家们已经知道当某人发生癌症时他所呼出气体的化学成分也会发生改变。
A brief summary of Zanthoxylum nitidum (Rox. )DC in pharmacognosy, chemical composition, pharmacology, application and development is reported.
扼要综述两面针的形态特征、化学成分、药理研究和开发应用情况。
The cause of fracture of a water supply valve used was analyzed by macrophoto, chemical composition analysis, metallography and mechanical performance.
针对使用中的自来水阀体断裂破坏，进行了宏观形貌、材质化学成分、金相组织、力学性能等失效分析工作。
In order to improve the properties of the screen plate, we scientifically designed the chemical composition of a new abrasion-resistant cast iron, studied its foundry and heat treatment parameters.
为了改善筛板材质的性能，对其化学成分进行了科学设计，并探讨了铸造和热处理工艺。
Finally, a mineral must have definite chemical composition.
再一点是一种矿物必须具有一定的化学成分。
There is a potential application for PIXE technique in chemical composition analysis of ancient glasses, especially for that of intact glass utensils.
PIXE分析技术在古玻璃样品特别是整形器皿的成分分析中具有广阔的应用前景。
Is a very complex chemical composition of organic compounds.
是一种化学成分十分复杂的有机化合物。
Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.
本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。
Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.
本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。
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