Cooking food causes it to go through a chemical change.

烹调食物会使其发生化学变化。

During a chemical change, one kind of matter changes into another completely different kind of matter.

在化学变化中，一种物质变成另一种完全不同的物质。

Electricity can bring about chemical change.

电可以引起化学变化。

This is a chemical change, not a physical one.

这是一个化学变化，而不是物理变化。

Thee chemical change gives off heat and light.

这种化学变化发出热和光。

When rust is formed, a chemical change has taken place.

当锈形成的时候，就发生了化学变化。

This chemical change can be expressed by an equation.

我们可用反应式表示这种化学变化。

The chemical change takes place in paper when it burns.

纸燃烧时会产生化学变化。

Nuclear reaction is a chemical change or a physical one?

核反应是化学反应还是物理反应。

Heat and light can be given off by this chemical change.

这种化学反应能放出热和光。

Heat and light can be given off by this chemical change.

这种化学反应能够释放出光和热。

When rust 5 is formed, a chemical change has taken place.

当锈形成的时候，就发生了化学变化。

Molecules are changed into other molecules in a chemical change.

在化学变化中，分子被改变为别的分子。

In a chemical change, energy is not created, nor is it destroyed.

在化学变化、能源是不创造，也就是摧毁。

The chemical change absorbing heat is named an end -thermal reaction.

吸收热量的化学反应被称为吸热反应。

When a chemical change takes place, one or more substances are formed.

当化学变化发生时，就形成了一种或多种物质。

Any change that results in forming a new substance is a chemical change.

导致一种新物质生成的任何变化是化学变化。

When two or more elements combine and form a compound, a chemical change takes place.

当两种或两种以上的元素化合形成化合物时，发生化学变化。

Chemical change, especially decomposition, produced electrolyte by an electric current.

电解质是指电流在分解时所产生的化学变化。

Weary is one kind of toxicant phenomenon which in the cell the chemical change derivation causes.

疲劳是细胞内化学变化衍生导致的一种中毒现象。

When matter is changed to a substance different from what it was , the change is a chemical change .

当物质变成与其原来不一样的另一物质时，这种变化是化学变化。

A chemical change is one in which the structure of particles is changed and a new substance is formed.

化学变化是一种改变粒子结构、形成新物质的一种变化。

A chemical change is one in which the structure of particles is changed and a new substance is formed.

化学变化是改变分子结构、化学变化是改变分子结构、形成新物质的一种变化。

This paper studied the physical and chemical change of soaked pork fat in Yu Bing Shao rice wine processing.

研究了豉香型米酒陈酿过程中浸泡猪肉脂肪的物理化学性质变化。

Due to its 'atomic resolution, STM can be used to induce the nanoscale physical or chemical change on the surface.

STM由于其原子级的空间分辨能力，可以诱导表面发生高度局域化的物理或化学变化。

Mecho-chemical effect is a new borderline subject that studies chemical change of the matter under mechanical action.

机械力化学效应是研究物质在机械力作用下引起的化学变化，是一门新兴的边缘学科。

Thermoplastic materials can be remelted and cooled time after time without undergoing any appreciable chemical change.

热塑性的材料能够不断的再熔化和再冷却而不需要经历任何可感知的化学变化。