Chemical substance

Colors of a single chemical (Nile red) in different solvents, under visible and UV light, showing how the chemical interacts dynamically with its solvent environment.

Native sulfur crystals. Sulfur occurs naturally as elemental sulfur, in sulfide and sulfate minerals and in hydrogen sulfide.

Potassium ferricyanide is a compound of potassium, iron, carbon and nitrogen; although it contains cyanide anions, it does not release them and is nontoxic.

A chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be chemical elements, chemical compounds, ions or alloys.

词汇	Artificial material
分类	英语词汇英语翻译词典
释义	Artificial material 英语例句库 Blast furnace slags were partially replaced by artificial and natural pozzolanic materials, such as pozzolan , fly ash and zeolite,to produce alkali activated slag cement(AASC). 用人工和天然火山灰质材料(如火山灰、粉煤灰和沸石)替代部分高炉矿渣制造碱矿渣水泥。原声例句听力文摘 So, instead of using artificial materials to mimic nature, we use nature itself. 所以，与其使用人工材料来仿造自然，我们采用自然本身。经济学人（汇总） Similarly, Vantablack, the least reflective artificial material, traps photons in a forest of carbon nanotubes standing on their ends. 同样，Vantablack这种最不反光的人造材料将末端碳纳米管丛中的光子困住。科普小杂文 Just some of the questions being explored concern the effects of low-gravity on living cells, artificial materials, and even miniature explosions. 航天员们正在探索的一些问题涉及低重力对活细胞、人造材料甚至微型爆炸的影响。 2014 English Cafe After 1900, people started using fertilizer that was made from artificial materials instead of guano. 1900年后，人们开始使用人造材料制成的肥料，而不是鸟粪。英语百科 Chemical substance A chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be chemical elements, chemical compounds, ions or alloys.
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Artificial material

Chemical substance