This paper analyzes the cohesion in the text"Three Days to See"from the perspective of discourse analysis.It is analyzed by cohesive devises put forward by Halliday,that is,reference,substitution and ellipsi...This paper analyzes the cohesion in the text"Three Days to See"from the perspective of discourse analysis.It is analyzed by cohesive devises put forward by Halliday,that is,reference,substitution and ellipsis,conjunction and lexical cohesion.It is found that all those devises have been used in the text,therefore making the text textual or"be a text".展开更多
This article analyzes the three categories of cohesive relations divided by Halliday and Hasan in the book"Cohesion in English",and aims to compare the different and similar usage of cohesion between English...This article analyzes the three categories of cohesive relations divided by Halliday and Hasan in the book"Cohesion in English",and aims to compare the different and similar usage of cohesion between English and Chinese.展开更多
目的采用替代对照品法建立镇静安神类药物氯氮?、马来酸咪达唑仑、硝西泮、艾司唑仑、奥沙西泮、劳拉西泮和阿普唑仑的高效液相色谱快速检验方法。方法采用Agilent ZORBAX Eclipse Plus C8色谱柱(4.6 mm×150 mm,5μm),流动相:0.01 ...目的采用替代对照品法建立镇静安神类药物氯氮?、马来酸咪达唑仑、硝西泮、艾司唑仑、奥沙西泮、劳拉西泮和阿普唑仑的高效液相色谱快速检验方法。方法采用Agilent ZORBAX Eclipse Plus C8色谱柱(4.6 mm×150 mm,5μm),流动相:0.01 mol·L?1磷酸二氢钾溶液(p H 2.5)-(甲醇-乙腈1∶1)(57∶43),流速:1.0 m L·min?1,柱温:30℃。采用相对容量因子和紫外光谱相似度双指标进行定性;采用相对校正因子法进行定量分析。结果在确定的色谱条件下,氯氮?、咪达唑仑、硝西泮、艾司唑仑、奥沙西泮、劳拉西泮和阿普唑仑完全分离;采用紫外光谱相似度和相对容量因子进行定性,结果准确可靠;采用替代对照品法,计算药物的相对校正因子进行含量测定,能有效减少对照品的使用,加快高效液相色谱分析速度。结论该方法快速、简便、可靠,适用于快速检验镇静安神类药物。展开更多
文摘This paper analyzes the cohesion in the text"Three Days to See"from the perspective of discourse analysis.It is analyzed by cohesive devises put forward by Halliday,that is,reference,substitution and ellipsis,conjunction and lexical cohesion.It is found that all those devises have been used in the text,therefore making the text textual or"be a text".
文摘This article analyzes the three categories of cohesive relations divided by Halliday and Hasan in the book"Cohesion in English",and aims to compare the different and similar usage of cohesion between English and Chinese.
文摘目的采用替代对照品法建立镇静安神类药物氯氮?、马来酸咪达唑仑、硝西泮、艾司唑仑、奥沙西泮、劳拉西泮和阿普唑仑的高效液相色谱快速检验方法。方法采用Agilent ZORBAX Eclipse Plus C8色谱柱(4.6 mm×150 mm,5μm),流动相:0.01 mol·L?1磷酸二氢钾溶液(p H 2.5)-(甲醇-乙腈1∶1)(57∶43),流速:1.0 m L·min?1,柱温:30℃。采用相对容量因子和紫外光谱相似度双指标进行定性;采用相对校正因子法进行定量分析。结果在确定的色谱条件下,氯氮?、咪达唑仑、硝西泮、艾司唑仑、奥沙西泮、劳拉西泮和阿普唑仑完全分离;采用紫外光谱相似度和相对容量因子进行定性,结果准确可靠;采用替代对照品法,计算药物的相对校正因子进行含量测定,能有效减少对照品的使用,加快高效液相色谱分析速度。结论该方法快速、简便、可靠,适用于快速检验镇静安神类药物。