Article(id=1321833935634542769, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833777974853923, articleNumber=null, orderNo=null, doi=10.3724/SP.J.1123.2025.04022, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1744905600000, receivedDateStr=2025-04-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793079368741, onlineDateStr=2026-10-27, pubDate=1778169600000, pubDateStr=2026-05-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793079368741, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793079368741, creator=13701087609, updateTime=1793079368741, updator=13701087609, issue=Issue{id=1321833777974853923, tenantId=1146029695717560320, journalId=1283840372199657495, year='2026', volume='44', issue='5', pageStart='499', pageEnd='611', issueExtLink='null', onlineDate='null', pubDate='1778169600000', pubDateStr='2026-05-08', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1793079331153, creator='13701087609', updateTime=1793079839035, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321835908253467557, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833777974853923, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321835908253467558, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321833777974853923, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=605, endPage=611, ext={EN=ArticleExt(id=1321833935873618098, articleId=1321833935634542769, tenantId=1146029695717560320, journalId=1283840372199657495, language=EN, title=Experimental curriculum design for undergraduates based on the improvement of scientific research abilities: taking determination of pyrimidine fungicides in soil by QuEChERS-gas chromatography-mass spectrometry as an example, columnId=1284557520073110421, journalTitle=Chinese Journal of Chromatography, columnName=Teaching Research, runingTitle=null, highlight=null, articleAbstract=
Undergraduate experimental courses are a key way to cultivate students’ scientific research practice and innovation abilities. The traditional experimental teaching mode of “emphasizing process and neglecting inquiry” limits the development of students’ scientific research thinking and innovation ability. Especially in the field of analytical chemistry, technical teaching involving techniques such as GC-MS is limited to confirmatory experiments, which is difficult to meet practical needs. In this paper, a comprehensive experimental teaching scheme integrating method development and problem exploration is constructed based on the development of detection methods for pyrimidine fungicides in soil. It covers four links: method establishment, technology optimization, data analysis and extended verification. The teaching method of group cooperation and personal display is adopted to guide students to optimize the relevant parameters of QuEChERS-GC-MS method and encourage them to independently discover and solve problems independently. The results showed that 1% acetic acid acetonitrile (20 mL) was the optimal extraction solvent; 500 mg PSA+500 mg C18+500 mg GCB+1.2 g MgSO4 was the best purification combination; the linear range of the three fungicides was 0.05-2.0 mg/L, the correlation coefficient was ≥0.995, the LOD was≤0.05 mg/kg and the LOQ was ≤0.167 mg/kg, which was suitable for trace detection. Teaching practice shows that the scheme improves students’ learning initiative and classroom interaction, enhances the quality of experimental reports, lays a foundation for subsequent scientific research experiments, and has important promotion value for the experimental teaching reform of related majors in colleges and universities.
, authors=Fenglian LYU
1, 2, Xiaoling SHAN
1, 2, Ran ZHAO
1, 2, Wei ZHENG
1, *, authorsList=Fenglian LYU, Xiaoling SHAN, Ran ZHAO, Wei ZHENG, authorCompany=null, correspAuthors=Wei ZHENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321833938360840375, articleId=1321833935634542769, tenantId=1146029695717560320, journalId=1283840372199657495, language=CN, title=基于科研能力提升的本科生实验课程设计:以“QuEChERS-气相色谱-质谱法测定土壤中嘧啶类杀菌剂实验”为例, columnId=1284557520232493975, journalTitle=色谱, columnName=教学研究, runingTitle=null, highlight=null, articleAbstract=
本科生实验课程是培养科研实践与创新能力的关键途径,传统实验教学“重流程、轻探究”的模式限制了学生科研思维与创新能力的发展,尤其在分析化学领域,GC-MS等技术教学多局限于验证性实验,难以满足需求。本文以“土壤中嘧啶类杀菌剂检测方法开发”为载体,构建了融合方法开发与问题探究的综合性实验教学方案,涵盖方法建立、技术优化、数据分析、拓展验证4个环节,采用小组合作与个人展示相结合的教学方式,引导学生优化QuEChERS-GC-MS相关参数,鼓励自主发现并解决问题。实验优化结果:1%乙酸乙腈溶液(20 mL)为最优提取溶剂;500 mg PSA+500 mg C18+500 mg GCB+1.2 g MgSO4为最佳净化组合;3种杀菌剂线性范围0.05~2.0 mg/L,相关系数≥0.995,检出限≤0.05 mg/kg,定量限≤0.167 mg/kg,适用于痕量检测。教学实践表明,该方案提升了学生的学习自主性与课堂互动,改善了实验报告质量,为后续科研实验奠定了基础,对高校相关专业实验教学改革具有重要推广价值。
, authors=吕凤莲
1, 2, 单晓玲
1, 2, 赵冉
1, 2, 郑伟
1, *, authorsList=吕凤莲, 单晓玲, 赵冉, 郑伟, authorCompany=null, correspAuthors=郑伟, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=hSLUimi+3MiohxkaCenUQw==, magXml=6jG2oqkEbArxlozubB9h6Q==, pdfUrl=null, pdf=UcYoDLstPB/AHvthIKIgvg==, pdfFileSize=651162, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=VivR066y9TQPegzzXWxtbg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=W0dzcl0g3WYM4XvqOwIvAQ==, mapNumber=null, fund=null)}, authors=[Author(id=1321833938868351167, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833939015151810, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833938868351167, language=EN, stringName=Fenglian LYU, firstName=Fenglian, middleName=null, lastName=LYU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
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1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833938650247352, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=1, ext=[AuthorCompanyExt(id=1321833938662830265, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100)]), AuthorCompany(id=1321833938750910651, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=2, ext=[AuthorCompanyExt(id=1321833938763493564, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938771882173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100)])]), Author(id=1321833939354890437, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833939526856904, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833939354890437, language=EN, stringName=Xiaoling SHAN, firstName=Xiaoling, middleName=null, lastName=SHAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321833939619131593, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833939354890437, language=CN, stringName=单晓玲, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833938650247352, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=1, ext=[AuthorCompanyExt(id=1321833938662830265, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938671218874, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100)]), AuthorCompany(id=1321833938750910651, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=2, ext=[AuthorCompanyExt(id=1321833938763493564, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938771882173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100)])]), Author(id=1321833939757543627, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321833939925315791, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833939757543627, language=EN, stringName=Ran ZHAO, firstName=Ran, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321833940034367696, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833939757543627, language=CN, stringName=赵冉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833938650247352, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=1, ext=[AuthorCompanyExt(id=1321833938662830265, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100)]), AuthorCompany(id=1321833938750910651, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=2, ext=[AuthorCompanyExt(id=1321833938763493564, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938771882173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100)])]), Author(id=1321833940135030994, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zheng_wei@nwafu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1321833940260860116, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833940135030994, language=EN, stringName=Wei ZHENG, firstName=Wei, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, *, address=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321833940361523413, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, authorId=1321833940135030994, language=CN, stringName=郑伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, *, address=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321833938650247352, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=1, ext=[AuthorCompanyExt(id=1321833938662830265, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938671218874, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100)])])], keywords=[Keyword(id=1321833940688679126, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, orderNo=1, keyword=scientific research ability training), Keyword(id=1321833942278320343, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, orderNo=2, keyword=experimental teaching reform), Keyword(id=1321833942404149464, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, orderNo=3, keyword=detection of pesticide residues), Keyword(id=1321833942500618457, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, orderNo=4, keyword=QuEChERS), Keyword(id=1321833942597087450, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, orderNo=5, keyword=gas chromatography-mass spectrometry), Keyword(id=1321833942668390619, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, orderNo=1, keyword=科研能力培养), Keyword(id=1321833942764859612, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, orderNo=2, keyword=实验教学改革), Keyword(id=1321833942852939997, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, orderNo=3, keyword=农药残留检测), Keyword(id=1321833942928437470, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, orderNo=4, keyword=QuEChERS), Keyword(id=1321833943020712159, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, orderNo=5, keyword=气相色谱-质谱)], refs=[Reference(id=1321833944996229358, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, doi=null, pmid=null, pmcid=null, year=2024, volume=94, issue=16, pageStart=52, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=Yang H F, Wang Y Y, Hu J J, journalName=University Education, refType=null, unstructuredReference=
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63(1): 39, articleTitle=农药, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1321833938650247352, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=1, ext=[AuthorCompanyExt(id=1321833938662830265, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938671218874, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938650247352, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西北农林科技大学资源环境学院, 农业部西北植物营养与农业环境重点实验室, 陕西 杨凌 712100)]), AuthorCompany(id=1321833938750910651, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, xref=2, ext=[AuthorCompanyExt(id=1321833938763493564, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Experiment Center of Resources and Environmental Science Research, College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China), AuthorCompanyExt(id=1321833938771882173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, companyId=1321833938750910651, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西北农林科技大学资源环境学院, 资源与环境科学研究实验中心, 陕西 杨凌 712100)])], figs=[ArticleFig(id=1321833943167512800, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, label=Fig.1, caption=
Total ion current chromatogram of the three pyrimidine fungicides, figureFileSmall=rvUL/xnUFs32XLvEf9mNBw==, figureFileBig=VivR066y9TQPegzzXWxtbg==, tableContent=null), ArticleFig(id=1321833943268176097, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=图1, caption=
3种嘧啶类杀菌剂的总离子流色谱图, figureFileSmall=rvUL/xnUFs32XLvEf9mNBw==, figureFileBig=VivR066y9TQPegzzXWxtbg==, tableContent=null), ArticleFig(id=1321833943528222946, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, label=Fig.2, caption=
Effect of different extraction solvents on the recoveries (n=3), figureFileSmall=k8C7xldLRB045LH8Y40P9Q==, figureFileBig=eJbQwylEUcTnT5T+4AuOpQ==, tableContent=null), ArticleFig(id=1321833943616303331, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=图2, caption=
不同萃取溶剂对回收率的影响(n=3), figureFileSmall=k8C7xldLRB045LH8Y40P9Q==, figureFileBig=eJbQwylEUcTnT5T+4AuOpQ==, tableContent=null), ArticleFig(id=1321833943721160932, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, label=Table 1, caption=
MS parameters of the three pyrimidine fungicides
, figureFileSmall=null, figureFileBig=null, tableContent=
| Compound | Retention time/min | Quantitative ion (m/z) | Qualitative ions (m/z) | Collision energy/eV |
|---|
| Pyrimethanil | 10.56 | 198.1 | 157.6, 117.9 | 30 |
| Cyprodinil | 14.44 | 224.1 | 196.9, 208.0 | 20 |
| Ferimzone | 15.30 | 344.1 | 156.0, 171.9 | 34 |
), ArticleFig(id=1321833943821824229, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=表1, caption=
3种嘧啶类杀菌剂的质谱参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Compound | Retention time/min | Quantitative ion (m/z) | Qualitative ions (m/z) | Collision energy/eV |
|---|
| Pyrimethanil | 10.56 | 198.1 | 157.6, 117.9 | 30 |
| Cyprodinil | 14.44 | 224.1 | 196.9, 208.0 | 20 |
| Ferimzone | 15.30 | 344.1 | 156.0, 171.9 | 34 |
), ArticleFig(id=1321833943922487526, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, label=Table 2, caption=
Specific dosages of different ratios of purifying agents
, figureFileSmall=null, figureFileBig=null, tableContent=
| Type | PSA/mg | C18/mg | GCB/mg | MgSO4 /g |
|---|
| A | 300 | 300 | 50 | 1.2 |
| B | 500 | 500 | 500 | 1.2 |
| C | 100 | 100 | 0 | 1.2 |
), ArticleFig(id=1321833944014762215, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=表2, caption=
不同配比的净化剂具体用量
, figureFileSmall=null, figureFileBig=null, tableContent=
| Type | PSA/mg | C18/mg | GCB/mg | MgSO4 /g |
|---|
| A | 300 | 300 | 50 | 1.2 |
| B | 500 | 500 | 500 | 1.2 |
| C | 100 | 100 | 0 | 1.2 |
), ArticleFig(id=1321833944157368552, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=EN, label=Table 3, caption=
Linear equations, correlation coefficients (R2), linear ranges, LODs and LOQs of the three pyrimidine fungicides
, figureFileSmall=null, figureFileBig=null, tableContent=
| Germicide | Linear equation | R2 | Linear range/(mg/L) | LOD/(mg/kg) | LOQ/(mg/kg) |
|---|
| Pyrimethanil | y=1.854×105x-1.118×104 | 0.995 | 0.05-2.0 | 0.050 | 0.167 |
| Cyprodinil | y=1.252×105x-8.078×103 | 0.997 | 0.05-2.0 | 0.005 | 0.017 |
| Ferimzone | y=1.080×104x-1.149×103 | 0.998 | 0.05-2.0 | 0.010 | 0.033 |
), ArticleFig(id=1321833944270614761, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=表3, caption=
3种嘧啶类杀菌剂的线性方程、相关系数、线性范围、检出限及定量限
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| Germicide | Linear equation | R2 | Linear range/(mg/L) | LOD/(mg/kg) | LOQ/(mg/kg) |
|---|
| Pyrimethanil | y=1.854×105x-1.118×104 | 0.995 | 0.05-2.0 | 0.050 | 0.167 |
| Cyprodinil | y=1.252×105x-8.078×103 | 0.997 | 0.05-2.0 | 0.005 | 0.017 |
| Ferimzone | y=1.080×104x-1.149×103 | 0.998 | 0.05-2.0 | 0.010 | 0.033 |
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Experimental theory and expected objectives
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| Theoretical teaching | Training content | Training objectives |
|---|
| Equipment operation | principles of GC-MS and scanning mode setting | specifications for precision instrument operation |
| Method exploration | comparative experiment of extraction solvents | ability in variable control and comparative data analysis |
| Experimental design | optimization of purification effect | application of experimental design methods |
| Result output | writing experimental reports in standard format | skills in scientific paper writing and chart presentation |
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实验理论与预期目标
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| Theoretical teaching | Training content | Training objectives |
|---|
| Equipment operation | principles of GC-MS and scanning mode setting | specifications for precision instrument operation |
| Method exploration | comparative experiment of extraction solvents | ability in variable control and comparative data analysis |
| Experimental design | optimization of purification effect | application of experimental design methods |
| Result output | writing experimental reports in standard format | skills in scientific paper writing and chart presentation |
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Specific division of labor within the group members
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| Group | Member | Extraction agent type | Extraction agent dosage/mL | Purification agent type | Sample serial number |
|---|
| Group 1 | 1 | acetone | 10 | A | 1 |
| 2 | acetone | 10 | B | 2 |
| 3 | acetone | 10 | C | 3 |
| 4 | acetone | 20 | A | 4 |
| 5 | acetone | 20 | B | 5 |
| 6 | acetone | 20 | C | 6 |
| 7 | acetone | 30 | A | 7 |
| 8 | acetone | 30 | B | 8 |
| 9 | acetone | 30 | C | 9 |
| Group 2 | 1 | acetonitrile | 10 | A | 10 |
| 2 | acetonitrile | 10 | B | 11 |
| 3 | acetonitrile | 10 | C | 12 |
| 4 | acetonitrile | 20 | A | 13 |
| 5 | acetonitrile | 20 | B | 14 |
| 6 | acetonitrile | 20 | C | 15 |
| 7 | acetonitrile | 30 | A | 16 |
| 8 | acetonitrile | 30 | B | 17 |
| 9 | acetonitrile | 30 | C | 18 |
| Group 3 | 1 | 1% acetic acid acetonitrile | 10 | A | 19 |
| 2 | 1% acetic acid acetonitrile | 10 | B | 20 |
| 3 | 1% acetic acid acetonitrile | 10 | C | 21 |
| 4 | 1% acetic acid acetonitrile | 20 | A | 22 |
| 5 | 1% acetic acid acetonitrile | 20 | B | 23 |
| 6 | 1% acetic acid acetonitrile | 20 | C | 24 |
| 7 | 1% acetic acid acetonitrile | 30 | A | 25 |
| 8 | 1% acetic acid acetonitrile | 30 | B | 26 |
| 9 | 1% acetic acid acetonitrile | 30 | C | 27 |
), ArticleFig(id=1321833944744571117, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321833935634542769, language=CN, label=表5, caption=
小组内成员具体分工
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| Group | Member | Extraction agent type | Extraction agent dosage/mL | Purification agent type | Sample serial number |
|---|
| Group 1 | 1 | acetone | 10 | A | 1 |
| 2 | acetone | 10 | B | 2 |
| 3 | acetone | 10 | C | 3 |
| 4 | acetone | 20 | A | 4 |
| 5 | acetone | 20 | B | 5 |
| 6 | acetone | 20 | C | 6 |
| 7 | acetone | 30 | A | 7 |
| 8 | acetone | 30 | B | 8 |
| 9 | acetone | 30 | C | 9 |
| Group 2 | 1 | acetonitrile | 10 | A | 10 |
| 2 | acetonitrile | 10 | B | 11 |
| 3 | acetonitrile | 10 | C | 12 |
| 4 | acetonitrile | 20 | A | 13 |
| 5 | acetonitrile | 20 | B | 14 |
| 6 | acetonitrile | 20 | C | 15 |
| 7 | acetonitrile | 30 | A | 16 |
| 8 | acetonitrile | 30 | B | 17 |
| 9 | acetonitrile | 30 | C | 18 |
| Group 3 | 1 | 1% acetic acid acetonitrile | 10 | A | 19 |
| 2 | 1% acetic acid acetonitrile | 10 | B | 20 |
| 3 | 1% acetic acid acetonitrile | 10 | C | 21 |
| 4 | 1% acetic acid acetonitrile | 20 | A | 22 |
| 5 | 1% acetic acid acetonitrile | 20 | B | 23 |
| 6 | 1% acetic acid acetonitrile | 20 | C | 24 |
| 7 | 1% acetic acid acetonitrile | 30 | A | 25 |
| 8 | 1% acetic acid acetonitrile | 30 | B | 26 |
| 9 | 1% acetic acid acetonitrile | 30 | C | 27 |
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