silica gel

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.

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.

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.

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.

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.

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.

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

对细孔硅胶, 焙烧温度不能超过200℃.

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.

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.

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.

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.

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.

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 ).

The crude oil is chromatographed over silica gel.

粗制油状物用硅胶进行色谱分离.

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.

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.

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.

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.

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.

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.