The allotropes of carbon include diamond, graphite and charcoal, all with the same chemical properties. 碳的同素异形体包括金刚石、石墨和木炭,所有这些物质都具有相同的化学性质。
The chemical properties of these surface differ considerably, particularly in their reaction to etchants. 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。
Sodium and potassium are about the same in their chemical properties. 钠和钾的化学性质几乎是相同的。
The article on the physical and chemical properties, the fluorescence characteristics, improvement and application of GFP are reviewed. 我们就GFP的理化性质、荧光特性、改进和应用研究进行了综述。
The physical and chemical properties of black maize pigment were studied. 研究了黑玉米色素的理化性质。
( physics and chemistry) the smallest component of an element having the chemical properties of the element. (物理和化学)构成某种元素并具有其化学性质的最小成分。
Effects of homogenization and grades of maturity on physical and chemical properties of peach nectar were investigated. 研究了均质、成熟度对桃带肉果汁理化特性的影响。
The physical and chemical properties of Jidong magnetite concentrate were tested systematically. 对冀东铁精矿进行了系统的物化性能测试。
Good nylon thermal and chemical properties are maintained along with good strength and stiffness retention. 良好的尼龙热和化学特性以及保持良好的强度和刚度保留。
Blood analysis: Laboratory examination of the physical and chemical properties and components of a sample of blood. 血液分析:指对血液样本进行实验室检查,用以获取有关血液理化性质及其组成的资料。
Water has structural and chemical properties that make it particularly suitable for its role in living cells. 水具有的结构和化学特性使得其尤为适合在生物活细胞中所起的作用。
Silver has its own physical and chemical properties as distinct from gold. 与金不同,银有自己的物理和化学性质。
The formula and preparation of the paint remover were described, physical and chemical properties and depainting results were tested. 介绍了脱漆剂的配方,并对其理化性能及脱漆效果进行了测试。
Furfural chemical properties of active mainly in the structure of the aldehyde and furan ring in both highly reactive. 糠醛化学性质活泼的主要表现在其结构中的醛基和呋喃环两者都有很强的反应性。
Waxy corn modified starch become excellent industrial materials because of its uniquely physical and chemical properties. 蜡质玉米改性淀粉以其独特的理化性质成为极好的工业原料。
Besides, the two systems were significantly different in soil nutrient content and soil physical and chemical properties. 而且两者耕层土壤的养分含量和理化性质等指标也有明显差异。
Introduction in this paper involves physical and chemical properties of thermals and application and advantages in rubber products production. 介绍热裂解法炭黑的物理化学性能以及它对橡胶的作用和在橡胶制品中的应用情况。
Active Substance Starting Materials normally have defined chemical properties and structure. 一般来说,原料药起始物料具有确定的化学性质和化学结构。
Atoms of different elements have different weights and different chemical properties. 不同元素的原子的质量不同,化学特性也不相同。
Thesis of1,3-butadiene of physical and chemical properties, uses and production methods were introduced on the1,3-butadiene market are analyzed. 论文对1,3-丁二烯的物理化学性质、用途以及生产方法进行了介绍,对1,3-丁二烯的市场行情进行了分析。
The physical and chemical properties of the mixtures were analyzed and the effects on sod establishment were tested. 检测分析了混合基质的理化性状,并在北京中国农业大学草地研究所进行草皮卷生长试验。
This paper describes components of the thermoplastic urethane and the block structures in the copolymer, an-alyzes the physical and chemical properties, and discusses the potential applications in medical material field. 本文对热塑性塑料聚氨酯人造橡胶材料的成分和聚合体结构进行了阐述,并且对该材料物理特性和化学特性进行分析,论述了在医用材料领域中广泛的应用前景。
The branch of astronomy concerned with the physical and chemical properties of celestial bodies. 天文学中有关天体的物理与化学性质的分支。
Conformance to a particular material classification in this standard requires meeting a number of minimum physical and chemical properties. 要符合这个标准下的特殊材料分类,需要满足一系列最低物理和化学性能要求。
In this paper, based on the physical and chemical properties, the general adsorption mechanism of activated carbon is introduced. 本文从活性炭表面的物理性质和化学性质,介绍了活性炭吸附的一般机理。
The Effect of Calcination on the Crystalline Structure and Physical& Chemical Properties of Montmorillonite 焙烧对蒙脱石晶体结构和物化性能的影响不同分子量壳聚糖对蒙脱土插层复合物的影响
The relationship between the basic sintering characteristics and the physical and chemical properties of iron ores was systematically discussed. 探讨了烧结原料基础性能与铁矿石物理化学性能之间的关系。
Chemical properties of stability, with a total reduction of carbon barium sulfide. 化学性质稳定,与碳共热还原为硫化钡。
The effect of mechanical impact on physical and chemical properties of carbon powders was studied. 研究了机械力对碳粉物理化学性能的影响规律。
The physical and chemical properties of complex sodium disilicate as a new builder were studied. 研究了新型助剂复合二硅酸钠的物理化学性能。