silica gel

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.

A simultaneous synthetic template carbonization method ( SSTCM), where tetraethoxy silane ( TEOS) was used as the source of the silica template and resorcinol-formaldehyde gel as the carbon precursor, was suggested for the preparation of mesoporous carbons with a controllable pore structure.

以正硅酸乙酯为模板硅源，间苯二酚甲醛凝胶为炭前驱体，采用同步合成模板炭化（SSTCM）法制备了具有可控结构的中孔炭材料。

Electronics stepless speed regulation , conveyer utilized rotated bar with heatproof tube made of silica gel.

电子无级调速, 输送机构采用自转式输送棒,并加耐热硅胶管.

Chromatographic column: the most commonly used filler of chromatographic column is chemically bonded silica gel.

色谱柱最常用的色谱柱填充剂为化学键合硅胶.

Methods: Silica gel column chromatography and crystallization were used to obtained gardenoside from Gardenia jasminoides.

方法: 利用柱层析、结晶从山栀子的成熟果实中进行分离纯化栀子苷.

The present paper deals with the preparation of surfactant ( deoxycholic sodium and tetrabutylammonium bromide mixture) coat bonded to silica gel with alkyls as well as its application to the separation of chiral enantiomers.

研究脱氧胆酸钠和溴化四丁铵的混合态表面活性剂涂层烷基键合硅胶（ODS）固定相的制备和它在手性对映体分离中的应用。

NBR sheet Plastic strips, hoses, Jiaobang . Silica gel plates, of the tube.

NBR胶板, 胶条,胶管, 胶棒. 硅胶板,条, 管.

The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests.

成品经过薄层层析和旋光测定等鉴定确定为木糖.

Using silica gel column chromatography made the further separation to chloroform extract.

采用硅胶柱层析的方法对最有效部位进行进一步的分离。

All seals of this machine use the thermostable silica gel ( food grade ).

该机所有密封件均采用耐高温硅胶件 ( 食品级 ).

A series of transparent polyimide/ silica ( PI/ SiO2) hybrid films were fabricated via sol-gel process using hydrolyzed tetraethoxysilane ( TEOS) under base condition.

采用碱催化正硅酸乙酯的溶胶/凝胶工艺制备了一系列透明聚酰亚胺/二氧化硅（PI/SiO2）纳米杂化薄膜。

Catalytic activity of silica gel supported metal chloride reagent catalyst for alkylation reaction

金属卤化物/硅胶型催化剂在傅克反应的催化活性

Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

方法用色谱法分离化合物,根据理化性质和光谱数据鉴定结构.

As the silica gel can deepen the color of the test solution, the optical density is increased.

由于硅胶能加深试验溶液的颜色，引起光密度增加。

Zirconium is adsorbed and separated by high adsorption activity silica gel in simulated HLLW.

用自制高吸附活性硅胶吸附分离模拟高放废液中的锆,并对吸附机理进行了分析.

Of pore silica gel, calcination temperature should not exceed 200 ℃.

对细孔硅胶, 焙烧温度不能超过200℃.

METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used.

方法: 采用工业酒精提取 、 胶柱层析、ds柱层析和重结晶等方法.

We sell bubble wraps, packing paper, silica gel and FRAGILE sticky labels in our facilities.

我们卖的泡沫包装, 纸包装, 矽胶和脆弱的粘性标签在我们的设施.

The crude oil is chromatographed over silica gel.

粗制油状物用硅胶进行色谱分离.

The clarification effects of carrageenan, compound silica gel and tannin on beer wort were contrasted.

通过对卡拉胶 、 复合硅胶和单宁对啤酒麦汁澄清对比试验.

They are made with environmentally disposable silica gel, which adsorbs and traps moisture.

他们与环保用完即弃的硅胶, 吸附水分和微粒污染物.

Machine design for silica gel plastic bottle disposal

专用硅胶塑料瓶处理机的设计

Fill is like bubble to pack, of transparent glue and silica gel confuse your drop pattern.

填充有如泡沫包装 、 透明胶和硅胶的迷你点子花纹.

The adsorption isotherm of neptunium on silica gel corresponds to the form of Langmuir isotherm.

三种价态的镎的吸附规律符合Langmuir吸附等温线,镎在硅胶上的吸附属于单分子层吸附.

The results were: 1. Formononetin was separated by optimized chromatography method with silica gel column . 2.

结果如下: 1. 优化硅胶层析柱法,从红车轴草中分离出刺芒柄花素.

Polyimide/ silica nano-hybrid films of different solid content were prepared via the sol-gel route using tetraethoxysilane ( TEOS) as inorganic precursor.

利用正硅酸乙酯（TEOS）做为无机前驱体，采用溶胶-凝胶（Sol Gel）法，制备了SiO2含量一定，固体含量不同的聚酰亚胺/二氧化硅（PI/SiO2）纳米杂化薄膜。

Choose multimode biological tissue of silica gel film test equipment force stressing.

选用生物组织多模态试验装置对硅胶膜进行牵张。

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.

Aperture: Be the diameter pointing to the tiny silica gel inside hole.

孔径: 是指硅胶内部微孔的直径.

Influence of drying process on silica gel as catalyst carrier

干燥方式对载体硅胶性能的影响