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.

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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.

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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.

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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.

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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.

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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.

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

对细孔硅胶, 焙烧温度不能超过200℃.

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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.

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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.

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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.

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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.

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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.

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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 ).

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The crude oil is chromatographed over silica gel.

粗制油状物用硅胶进行色谱分离.

辞典例句

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.

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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.

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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.

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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.

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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.

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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.

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