On Thermodynamics Discussion of the Chemical Property Changing Rule of the Manganese Element;
锰元素化学性质变化规律的热力学探讨
Study on Changes of Soil Chemical Properties in the Process of Karst Rocky Desertification
花江小流域石漠化过程中土壤化学性质变化研究
Chemistry Property and Variety Regulation and the Affects of the Peacock River
孔雀河中下游河水化学性质变化规律及其影响分析
The Research on the Physical and Chemical Characteristic of Saline-alkali Soil in the Different Improvement Measures
盐碱土在不同改良措施下土壤物理化学性质变化的研究
Any change which alters the chemical properties of a substance is a chemical change. For example, the rusting of iron is a chemical reaction.
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。
The Change of the Chinese Subject Nature and the Development of Chinese Teaching;
语文学科性质变化与语文教学的发展
A study on chemical properties of wood of bald cypress provenances
不同落羽杉种源木材化学性质的变异
Discussion About the Properties of Thermodynamics by Comparing the Process of Chemical Reaction with That of Phase Transformation;
在化学反应和相变化两过程之间物质热力学性质的对比性探讨
It is possible to harness the versatile chemical properties of cyanogen azide.
氰化叠氮的灵活多变的化学性质是可控制的。
Preliminary study of surface chemical properties and transform of black carbon in soils
土壤中黑碳的表面化学性质及其变化研究
All changes of matter fall into two broad classes:physical and chemical changes.
物质变化分为两大类：物理变化和化学变化。
Reforming Teaching Methods to Improve Students Understanding of Mathematics;
转化、优化、变化、类化与数学素质培养
Of or relating to the properties or actions of chemicals.
化学属性或化学变化的，与化学属性或化学变化有关的
Physicochemical, Rheological Properties and Microstructure of Cheeses during Storage;
贮藏期内干酪理化、流变学性质及微观结构变化的研究
Biochemistry, according to a classic definition, is the study of the chemical composition of living matter and of the chemical changes that occur in it during life processes.
根据经典的定义,生物化学是研究生物活性物质的化学组成和生命过程中的化学变化的科学。
Study of Structral, Electrical and Optical Properties in N Ion Implanted Zinc Oxide Thin Films;
氮离子注入氧化锌薄膜引起的结构、光学和电学性质变化研究
Geochemical characteristics of the metabasic volcanic rocks in the Grove Mountains, East Antarctica.
东南极格罗夫山变质基性岩地球化学特征
Study on the Blood Physiobiochemic Index and Hemorheologic Properties of Ophicephalus argus Cantor
乌鳢血液生理生化指标和流变学性质的研究