The isotopes of a given element have the same chemical properties but slightly different physical properties.
一个特定元素的同位素具有相同的化学特征,但在物理性质上有一些细微差异。
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。
This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.
铁块会一直加热,直到到达某一燃点,便会辐射出光来;而当它的光线穿过一块棱柱时,棱柱就会分割光线,形成光谱。
Isotopes are different atomic versions of a particular chemical element.
同位素是一个特定化学元素的不同原子变种。
Humans body is composed by the compound, while the compound also is composed by the chemical element.
人的身体是由化合物组成的,而化合物又是由化学元素组成的。
Isotope: One of two or more species of atoms of a chemical element having nuclei with the same number of protons but different Numbers of neutrons.
同位素:一种化学元素的两个或多个类型,它们的原子核具有相同的质子数,而中子数却不同。
Also, silicon is a very common chemical element, whereas germanium is relatively rare.
除此之外,相对于含量稀少的锗元素,硅是相当普遍的化学元素。
What is the nature of the new chemical element?
这新的化学元素特性怎样?。
The chemist found a new chemical element.
那位化学家发现了一种新的化学元素。
In the environment, some chemical element that is too many or lacks can affect the human body health.
环境中某种化学元素过多或缺乏都会影响人体的健康。
For the first time ever, scientists have been able to create a chemical element that can fight cancer cells.
科学家们首次研制出了抵抗癌细胞的化学元素。
Chemical element is the general term for the same type of atoms with the same mass number.
化学元素是具有相同核电荷数的同一类原子的总称。
A structure the size of an atom represents a fundamental limit: to make anything smaller would require manipulating atomic nuclei—essentially, transmuting one chemical element into another.
单原子的结构是个基本极限:若要做得更小,基本上就得操控原子核了,这可是把一种化学元素转换为另一种。
It is the discovery of a new chemical element.
它是一种新化学元素的发现。
Uranium is a chemical element.
铀是一种化学元素。
镭是一种化学元素。
A common sense, human body is also made up of chemical element is introduced in this paper.
本文介绍了人体也是由化学元素组成的这个普通道理;
A solid powdered chemical element was used to replace the mother liquid of the MS medium.
用固体粉状化学元素取代MS培养基中的母液,制作培养基。
The accumulation and distribution rule of productivity and nutrient element were studied by determining the biomass and chemical element in different organs above ground of sample trees.
通过对样地水曲柳天然林的各器官生物量的测定和化学元素分析,研究了生物生产力及营养元素的积累与分布规律。
Oxygen, the most abundant chemical element, is present in combination with hydrogen to the extent of 89 percent in water.
在水中,氧这种最丰富的化学元素与氢结合,其含量多达89%。
During surficial processes, the migration and enrichment of chemical element are response to environmental changes.
表生作用过程中化学元素的迁移富集规律,是元素对环境条件变化响应的表现。
So they represented this chemical element with a solar symbol.
所以他们用太阳符号来代表这种化学元素。
For the first time ever, scientists have been able to create a chemical element that can fight caner cells.
科学家第一次能够创造出一种抗癌细胞的化学成分。
Phosphorus Nonmetallic chemical element, chemical symbol P, atomic number 15.
非金属化学元素,化学符号P,原子序数15。
Also has you to think your old trade union wants to kiss on your face these chemical element?
还有你想你老公会想亲你脸上的那些化学元素吗?
This study investigated chemical element concentrations in calcite, calcareous soil and restored plants in a limestone rocky desertification area in Huaxi, Guizhou Province.
对贵州花溪区石灰岩、石灰土及定居植物中化学元素含量进行研究。
Boron: Semimetallic chemical element, chemical symbol b, atomic number 5.
硼:半金属的化学元素,化学符号B,原子序数5。
Summarize the chemical element of momordica charantia.
对苦瓜的化学成分进行了概述。
Zinc is a chemical element which is very important to our health.
锌是一种对人体健康很有益处的元素。
Zinc is a chemical element which is very important to our health.
锌是一种对人体健康很有益处的元素。
应用推荐