silica

英[ˈsɪlɪkə]美[ˈsɪlɪkə]

n.硅石，二氧化硅，硅氧；

例句

The mesoporous silica molecular sieves Zr - MCM - 41 were synthesized in ethylenediamine.以乙二胺为碱性介质合成了Zr-MCM-41介孔分子筛.

The basalts were intruded by numerous silica dykes, some of which terminate in the sedimentary layers.玄武岩被无数的二氧化硅矿脉侵入, 其中一些终止于沉积岩层.

Reserve Silica disclaims any warranties as to the accuracy of the information presented.储备二氧化硅不承担任何保证的准确性提出的资料.

The commercial product however, containing silica and silicates, has a positive effect.然而含有硅石和硅酸盐的工业品都有肯定的效果.

Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和异戊醇为原料合成了丁酸异戊酯.

The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~ 5-10% ) 的亚胺.

The free hydroxyl ion is involved in a further reaction with the silica network.游离的氢氧离子会进一步和硅氧网络反应.

A novel two stage desiccant cooling system adopting newly developed silica gel - haloid composite desiccant is proposed.建立了新型采用复合除湿剂的两级固体转轮除湿系统的数学模型.

Cellulose, stearic acid, magnesium stearate, silica, cellulose & glycerin coating.纤维素, 硬脂酸, 硬脂酸镁, 二氧化硅, 纤维素 及 甘油涂层.

Conclusion: Silica gel column chromatography and crystallization are simple and rapid Methods: To isolate gardenoside.结论: 柱层析和重结晶方法是简单、速分离栀子苷的有效办法.

柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

硅石;二氧化硅

Silica is silicon dioxide, a compound of silicon which is found in sand, quartz, and flint, and which is used to make glass.

英英词典释义

Noun

1. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite

行业词典

冶金学： 二氧化硅；

医学： 硅石，二氧化硅：SiO2，以玛瑙、水晶、沙子、石英、玉髓、方石英及燧石等形式存在于自然界中，为齿釉质的主要成份之一；其颗粒可用做牙科的打磨及抛光剂；