1)  paper chromatography
改良纸层析法
1.
HPLC,paper chromatography and Berthelot spectrophotometry were recommended as three methods to assay the content of γ-Aminobutyric acid(GABA) existing in food materials in the present article.
应用高效液相色谱(HPLC)、改良纸层析法和Berthelot比色法对不同来源介质中的γ-氨基丁酸(GABA)检测效果进行了比较研究,分别建立了3种方法的GABA检测体系。
2)  improvement
改良
1.
Reprocessing for Wheat Variety Characters and its Quality Improvement;
种性加工与小麦品质改良
2.
Correlation analysis and improvement of the quality of processing and appearance in hybrid early indica rice;
早籼杂交稻稻米加工品质与外观品质的相关分析和改良途径
3.
Improvement and evaluation of gastric lavage with electric gastrolavage machine;
电动洗胃机洗胃法的改良与评价
3)  improved
改良
1.
Clinical Analysis of Improved Trabeculectomy in 160 Cases;
改良小梁切除术160例临床分析
2.
Improved crescent section for correction of epicanthus;
改良新月形去皮法矫正内眦赘皮
3.
Application of improved percutaneous dilational tracheostomy in neurological surgery;
改良经皮气管切开术在神经外科的临床应用
4)  improve
改良
1.
Clinical application of improved mandibular growth advancer;
改良下颌生长促动器的临床应用
2.
Advances of studies on genetic engineering improve the quality of ornamental plant;
基因工程对改良观赏植物品质的研究进展
3.
Adaptability Improvement of Pob 43 Maize Populations;
Pob43玉米群体的适应性改良
5)  modified
改良
1.
Clinical analysis of 140 cases of modified extraperitoneal cesarean section;
改良式腹膜外剖宫产140例临床分析
2.
Treating Ptosis by Modified Frontalis Muscle Suspension Surgery;
改良额肌瓣悬吊术治疗上睑下垂
3.
Modified excision of choledochal cyst and Roux-Y hepaticojejunostomy in treatment of children with congenital choledochal cyst.;
改良式囊肿切除肝总管空肠Roux-Y吻合术治疗小儿先天性胆总管囊肿
6)  Reform
改良
1.
Regularities of Soil Nutrient Changing and Reformation Measures of Arable Lands in Zhangye City from 1980 to 2004;
1980-2004年张掖市耕地土壤养分变化及改良措施
2.
On the Reform and the Revolution at the End of Qing Dynasty——in Commemoration of the 90th Anniversary of the Revolution of 1911;
试论清末改良与革命——纪念辛亥革命90周年
3.
Why has modern China undergone the evolvement from reform to revolution? This is the key question we must clarify in the teaching course of Compendium of Modern/Contemporary Chinese History.
改良与革命是近代中国在历史道路选择上的分歧焦点所在。
参考词条
补充资料：纸层析法
分子式：
CAS号：

性质：又称纸色谱法。是以滤纸为载体的分配层析法，滤纸中6％～7％的水分以氢键与纤维素的羟基相结合组成固定相，而纤维间空隙通过的溶剂为流动相。由于溶质在两相分配的差异而得到分离。其一般操作方法如下：将试样溶于适当溶剂，点样于滤纸一端，另用一适当溶剂系统，借毛细现象从点样的一端向另一端流动，此称为展开；展开结束，取出滤纸晾干；用适当的方法显层。纸层析法按溶剂展开的方向，可分为上行、下行和径向三种。上行法中又可分为单向、双向两种。由于本方法设备简单、操作方便，所需样品量少，应用很广泛，不仅可用于定性检定，也能用于定量分析。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。