这两位化学家都非常有远见，他们对周期性的物理性质和化学性质进行分析，并在预示应该出现新元素的地方留下了空位。
Both chemists were sufficiently farsighted to leave gaps where their analyses of periodic physical and chemical properties indicated that new elements should be located.
我们会观察土壤的化学性质——比如某个地方的土壤里有多少氮或者镁——然后与附近土壤的化学性质作比较。
We look at soil chemistry—for example, how much nitrogen or magnesium there is in the soil in one spot—and we compare it with the chemistry of the soil a short distance away.
其他军用化学品的化学性质，包括控暴剂、除草剂、烟火化学品的相关综述文章。
Chemistry of Other Military chemical Compoundsincludes reviews on riot control agents, herbicides, and flame and smoke-producing chemicals.
以化学元素表来衡量，地球的化学性质是不正常的，完全失去了平衡，却充满活力。
The chemistry of the Earth was out of kilter, wholly unbalanced by the periodic table, and alive.
环境中化合物的化学性质，比最好的化学家制造出来的化合物还要复杂很多。
The chemistry from compounds in the environment is orders of magnitude more complex than our best chemists can produce.
正如学校化学课中展示的那样，金属镁化学性质非常活泼，储存着大量能量。
As school chemistry lessons show, metallic magnesium is highly reactive and stores a lot of energy.
只有外层内的电子才会形成化学键，因此每一列中各元素化学性质均相似。
Only electrons in the outer shell can form chemical bonds, so the elements in each column are chemically similar.
这些理论如此成功地解释了元素很广泛的化学性质，以致于，人们逐渐认为：在化学上，“单原子气体电子构型”不可违背。
So successful were these theories in accounting for a wide range of chemical properties of the elements that the monatomic-gas electron configurations came to be thought of as chemically inviolate.
经过第一次简单的化学反应之后随之而来的是还会化学性质上的一系列细微的更复杂的变化。
After that first simple chemical reaction comes a slightly more complicated series of changes in seawater chemistry.
化学性质或防护﹐灭火方法相互抵触的化学品不得在同一仓库或同一储藏室摆放。
Chemicals that chemical properties or protection, fire fighting methods contradict each other may not be placed in the same warehouse or storage room.
这些不同的晶面，具有很不相同的化学性质，特别是对化学腐蚀剂的反应不一致。
The chemical properties of these surface differ considerably, particularly in their reaction to etchants.
当外界环境条件如物理或化学等信号变化时，敏感性高分子的某些物理或化学性质会发生智能的响应性变化。
When the external environment physics or chemistry signal changes, the physical or chemical properties of the sensitive polymer will have some smart response.
推荐一个综合化学新实验—乙酰二茂铁的制备和电化学性质研究。
This article recommended a new comprehensive experiment of organic chemistry—synthesis and electrochemical property study of acetylferrocene.
本文研究了碳纳米管的化学修饰和电化学性质，发现决定碳纳米管电化学性质的两个重要因素。
In this paper, modification and electrochemical property of carbon nanotubes were investigated, from which two important factors have been found.
超临界流体技术是一项全新的化学工程技术，因其特殊的物理化学性质，在化学领域的应用非常广泛。
The supercritical fluid technology is an entirely new chemical engineering technology and has peculiar physicochemical property, take a broad application in chemical field.
概述了共振论在基础有机化学教学中解释物质的物理性质、化学性质等方面的应用情况。
The application of resonance theory in teaching Organic Chemistry was discussed in detail. It can be used to explain some physical and chemical properties of compounds.
除超硬性质以外，这些材料大都具有宽带隙、高温稳定性、化学惰性等优良的物理化学性质。
Other interesting properties of these materials include their wide band gap, stability under high temperature and chemical inertness.
用CB - HRP追踪与免疫细胞化学结合的方法，对大鼠中缝背核接触脑脊液神经元(简称触液神经元)的化学性质进行了研究。
By Using a combined method of CB-HRP tracing with immunocytochemistry, chemical natures of CSF-contacting neurons in the dorsal raphe nucleus were studied.
本论文用电化学的方法研究了两种抗癌药物——8 -氮鸟嘌呤和6 -巯基嘌呤的电化学性质，同时就其与DNA的相互作用也做了初步的探讨。
In this paper, the Electrochemistry behavior of the anticancer drugs 8-azaguanine (8-ag) and 6-mercaptopurine (6-mp) have been studied and the interaction of 8-ag with DNA has been studied too.
任何改变物质化学性质的变化都是化学变化。例如，铁钉的生锈就是一种化学变化。
Any change which alters the chemical properties of a substance is a chemical change. For example, the rusting of iron is a chemical reaction.
重点讨论了氨基酸的一般物理性质和化学性质，及酱油内的氨基酸在一定条件下的化学变化。
This paper inquired into physical property and chemical property about amino acid, and the chemical change of amino acid in soy sauce under given conditions.
二氧化钛具有表面羟基、润湿性、表面酸碱性、表面电性、光化学活性等表面物理化学性质。
Titanium dioxide has unique characteristics, such as the surface hydroxy groups involved, wetting properties, surface acidity or basicity, surface electrical properties and photochemical activity.
针对建筑外墙瓷砖污垢产生的原因及物理化学性质，介绍了一种化学清洗该污垢的方法。
The cause of dirt and its physical and chemical properties as well as the cleaning method are introduced.
根据同分异构的化学原理，有机物有相同的分子式和相同的官能团时，它们的化学性质和物理性质很相似。
According to the principle of isomeric chemistry, when organic substances have the same molecular formula and the same functional groups, their chemical and physical properties are very similar.
由于它化学性质极端活泼，所以几乎不把它作为金属使用(除了做化学反应剂)。
It is a soft, silvery white metal, not found free in nature and rarely used as the metal (except as a chemical reagent) because of its extreme reactivity.
相似的地球化学性质和地球化学行为，是导致分散元素共生的基本原因。
Similar geochemical properties and behaviors are primary reason to form coexistence of some disperse elements.
离子液体具有特殊的物理化学性质，如低挥发性，宽的电化学窗口，不可燃性，高热稳定性以及宽泛的液态范围等。
ILs have special physical and chemical properties such as low volatility, wide electrochemical window, nonflammability, high thermal stability, and wide liquid range.
介绍了二聚脂肪酸的化学结构及其物理和化学性质，并衬国内外二聚脂肪酸的制备、其衍生物的合成及应用研究进展进行了综述。
The structure, physical and chemical property of dimer fatty acid were introduced. The preparation of the various kinds of dimer fatty acid and its derivative were discussed.
文章通过采用物理、化学等试验研究方法，对“红层”岩石的成份、结构、力学性质、化学性质、地质结构等进行了系统研究。
The paper makes system research to element structure, physical mechanics property, chemical property, geologic configuration, etc. by physical and chemical test studying.
文章通过采用物理、化学等试验研究方法，对“红层”岩石的成份、结构、力学性质、化学性质、地质结构等进行了系统研究。
The paper makes system research to element structure, physical mechanics property, chemical property, geologic configuration, etc. by physical and chemical test studying.
应用推荐