薄层板

最佳溶剂选择性可通过不同溶剂系统在薄层板上所给难分离物质对的最大Rf比值确定；

The best solvent selectivity for IPC can be obtained by comparing the ratio of R f value of different solvent systems on TLC plate with compounds being isolated .

薄层色谱分析显示，葛根素精品在薄层板上呈蓝色荧光斑点，选用氯仿－甲醇（4：1）为展开剂，Rf为0.31；

The blue fluorescence spot on TLC was the sign of puerarin . Choose methanol - chloroform ( 4:1 ) as extending solvent , Its Rf was 0.31 . The data of nuclear magnetic resonance hydrogen spectrum accorded with characteristic of puerarin structure .

薄层板：羧甲基纤维素钠硅胶G薄层板。

Thin layer plate : CMC-Na silica gel G plate .

方法：将样品点在硅胶C薄层板上，以石油醚-乙醚-甲酸（1：5：0.1）在室温下展开。

Methods : The sample was applied on a silica G plate and developed at room temperature with PE-Ether-Formic acid ( 1:5:0.1 ) .

选用硅酸G薄层板，展开剂为正己烷∶乙酸乙酯∶醋酸∶甲酸（6∶32∶1∶1）；

Selection thin board of silica gel-G , it opened up is n-Hexane : Ethy 1 acetate : Acetic acid : formic acid ( 6 ∶ 32 ∶ 1 ∶ 1 );

后者黄芩的鉴别：硅胶G薄层板，正丁醇-冰乙酸-水（7：1：2）为展开剂，1%三氯化铁乙醇溶液为显色剂；

The identification of Radix scutellariae was silica gel G plate , n-butanol-glacial acetic acid-water ( 7:1:2 ) as the development reagent , chloride ferric ( 1 % ) as color developing reagent .

用氯仿－甲醇－甲酸（20：1：0.2）为展开剂，在硅胶G－CMC－Na薄层板上分离齐墩果酸，10%硫酸乙醇溶液显色，用CAMAGⅡ型薄层扫描仪进行定量测定。

Oleanolic acid was developed with chloroform-methanol-formic acid ( 20:1:0.2 ), isolated on the silica gel G-CMC-Na thin-layer plate , colored with a 10 % ethanol sulfate solution , and quantified by the CAMAG ⅱ thin-layer scanner .

以大豆甙元为内标物在高效硅胶薄层板上采用新型内标法测定了葛根素注射液、中药葛根及中成药玉泉丸中葛根素的含量，建立了新型TLC内标法测定葛根素的新方法。

A new method for the determination of puerarin was established with the new version thin layer chromatographic ( TLC ) internal standard method in high performance silica G thin layer . The content of puerarin in puerarin injection , pueraria Lobata ( Willd ) .

用苯丙酮醋酸乙酯甲醇（7∶3∶3∶0.5）为展开剂，在硅胶GF254薄层板上分离槐果碱，然后定位、刮下、洗脱，采用紫外分光光度法进行含量测定。

Using benzene-acetone-ethyl acetate-methanol ( 7:3:3:0.5 ) as developing agent , sophocarpine was separated on silica gel GF254 TLC-plate , then located , scraped , eluted and determined by UV-spectrophotometry .

方法将相同浓度的供试品溶液与对照品溶液点于同一硅胶GF254薄层板上，采用薄层色谱法，观察各主斑点的位置、大小及颜色。

Methods Drop the sample liquor and the contrast liquor with the same consistence on the one siliceous GF 254 thin-layer vitreous board and use thin-layer chromatography to observe the place of the every main fleck , size and color .

GB/T5258-1995纤维增强塑料薄层板压缩性能试验方法

Test method for compressive properties of fiber reinforced plastic thin laminates

复合材料薄层板常温固化收缩及翘曲变形肯纳薄锡层镀锡薄钢板

Curing Shrinkage and Warpage Deformation of Composite Thin Laminates at Room Temperature

β－环糊精键合相薄层板的制备及其性能初探

Preparation and investigation of properties of β - cyclodextrin (β - cd ) bonded TLC plates

通过对其性能考察，该反相薄层板均匀性，重复性，分离度及板效能均显示良好。

Study its performance through the reversed-phase thin-layer plate , the uniformity , repeatability , and plate separation are indicative of good performance .

挥发大蒜油在薄层板上分离出的最大斑点的化学成分用红外光谱法定性，用薄层扫描法定量。

The chemical composition of the largest spot on thin layer plate was identified by Infrared spectrum , and its content was determined by TLC scanning .

在同一块薄层板上多相二维分离30余种氨基酸、40余种非挥发性有机酸和20余种碱基。核苷类化合物。

Over 30 amino acids , 40 organic acids and 20 nucleosides and related compounds have been simultaneously separated by two-dimensional thin layer chromatography on a plate .

本文利用薄层色谱板上吸收光谱研究了抗坏血酸与铁（Ⅱ）离子在不同pH值和不同配比溶液中络合反应情况，并对抗坏血酿-铁（Ⅱ）螯合物的结构进行了探讨。

The complexation reaction of ascorbic acid with Fe (ⅱ) under various conditions has been investigated by TLC in-situ absorption spectrometry , and two different structures for the chelates were investigated .

方法以生物测定为指导，采用硅胶柱、SephadexLH-20柱以及制备薄层分离板对其成分进行分离和纯化，并通过物化性质和光谱分析对其结构鉴定。

Methods Seperation and purification under bioassay-directed were performed on silica gel CC , Sephadex LH-20 CC and preparative TLC .

采用薄层垂直板状聚丙烯酰胺凝胶电泳、光密度扫描及数理统计方法对219头泌乳黑白花母牛血清中乳酸脱氢酶（LDH）同工酶的遗传规律及其与生产性能的关系作了研究。

Lactic dehydrogenase ( LDH ) isozyme 's in holstein cows serum samples were analysed by using thin layer vertical polyacrylamide gel electrophoresis , optical density scanning and statistical analysis , It was observed that the LDH consisted of 5 kinds of isozymes .

坝址区右岸岩体，总体上为片理化变质火山角砾岩夹变质凝灰岩（T3xd）和板岩（J2h）构成的薄层（板）状大角度横向倾向坡内地质结构。

The rock mass of the right bank slope in dam area generally are metamorphosed volcanic breccia with metamorphic tuff ( T3xd ) and slate ( J2h ) which consisted the geological structure of transverse wide-angle inclined slope .

羧甲基淀粉钠用作薄层色谱板粘合剂的研究

A Study on Carboxymethyl Starch Sodium as Binder in Thinlayer Chromatography

带薄层的板反射波谱分析

Analysis of the reflection spectrum in a plate with a thin layer

粗颗粒硅胶高效薄层色谱板性能考察

Evaluation of the High Performance Thin-Layer Chromatography Plate with Larger Particles Silic

并对制成的薄层色谱板的色谱性能进行了研究。

The chromatographic characters of the plate were investigated .

杠板归的形态组织和紫外吸收光谱鉴别抗坏血酸-铁（Ⅱ）络合反应在薄层色谱板上的吸收光谱

Study on the Complexation Reaction of Ascorbic Acid With Fe (ⅱ) by Thin Layer Chromatography / In-situ Absorption Spectrometry

理论上研究了带有薄层的板的超声谐振频率随薄层的厚度或物性改变而发生变化的规律，研究结果表明，在0≤ω

The resonance frequencies of a plate with a thin layer are studied in the paper , their shift phenomenon due to the variations of the thickness or other acoustical properties of the thin layer is observed . In the range 0 ≤ω

薄层多孔性吸声板的一个集总参数模型

A Lumped Parameter Model for Thin Porous Sound Absorbing Board

方法：薄层鉴别采用硅胶G薄层板，展开剂：正己烷-醋酸乙酯-冰醋酸（6：4：0.25），显色剂：10%硫酸乙醇溶液；

Methods : Qualitative analysis by TLC , a mixed solvent of n-hexane - ethyl acetate - acetic acid ( 6:4:0.25 ) was employed as the mobile phase , color developing agent was 10 % sulfuric acid and ethanol solution .

薄层扫描条件：硅胶H-0.8%CMC-Na-0.8%NaOH薄层板，以乙酸乙酯-甲醇-氨水（17∶2∶1）为展开剂，改良碘化铋钾及2%亚硝酸钠喷雾显色；

Condition of thin-layer scanning : silicon-gel H-0.8 % CMC-Na-0.8 % NaOH thin-layer sheet , Ethyl Acetate-Methanol-ammonia water ( 17 ∶ 2 ∶ 1 ) as expansion agent , improved bismuth and potassium iodide and 2 % sodium nitrite for atomizing develop ;

薄层色谱ABC（2）&薄层板制备和点样

ABC of Thin-Layer Chromatography ── II : Preparation of Thin Layer Plates and Sample Application