Article(id=1241321692845364056, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.02.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1729267200000, receivedDateStr=2024-10-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773883754215, onlineDateStr=2026-03-19, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773883754215, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773883754215, creator=13701087609, updateTime=1773883754215, updator=13701087609, issue=Issue{id=1241321691524158287, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='2', pageStart='1', pageEnd='204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773883753901, creator=13701087609, updateTime=1773884632018, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241325374676726363, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241325374676726364, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=69, endPage=75, ext={EN=ArticleExt(id=1241321693164131168, articleId=1241321692845364056, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Optimization of Lifter Bar in Semi-Autogenous Grinding Mill Liner Design Based on Discrete Element Method, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=
The parameters of lifter bars in the design of a Φ12.2 m×6.7 m semi-autogenous grinding (SAG) mill liner for the Las Bambas concentrator in Peru were optimized by employing discrete element method, and a quadratic regression model was constructed based on response surface analysis to investigate the effect of various factors on total collision energy and energy dispersion. The results indicate that lifter height has a significant impact on particle motion behavior, and it can alter drop height, particle trajectory and moving range, thereby impacting the collision energy during grinding process. The face angle and width of lifter can influence the distribution of collision energy by adjusting particle positions in the cascading and grinding zones. Based on a comprehensive consideration, the optimal lifter parameters are finally determined as follows: height of 380 mm, width of 100 mm, and face angle of 30°.
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采用离散元法对秘鲁拉斯邦巴斯选矿厂Φ12.2 m×6.7 m半自磨机衬板提升条参数进行优化。基于响应曲面分析,构建二次回归模型,研究各因子对碰撞总能量和能量离散程度的影响。结果表明:提升条高度对颗粒运动行为具有显著影响,它通过改变颗粒抛落高度、抛出范围和运动轨迹,进而影响磨矿过程中碰撞能量的形成;提升条面角和宽度通过调整颗粒在抛落区域和研磨区域的运行位置进而影响碰撞能量的分布。综合考量,确定适宜的衬板提升条参数为:高度380 mm、宽度100 mm、面角30°。
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, authorsList=方鑫, 刘瑜, 李茂林, 黄礼龙, 罗聪, 李良伟, 吴彩斌)}, authors=[Author(id=1241327683498463578, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=7120230014@mail.jxust.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241327683641069924, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, authorId=1241327683498463578, language=EN, stringName=Xin FANG, firstName=Xin, middleName=null, lastName=FANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241327683771093353, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, authorId=1241327683498463578, language=CN, stringName=方鑫, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.江西理工大学 资源与环境工程学院,江西 赣州 341000, bio={"content":"
方鑫(1998—),男,江西鄱阳人,博士研究生,主要研究方向为碎磨原理。E-mail:7120230014@mail.jxust.edu.cn
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方鑫(1998—),男,江西鄱阳人,博士研究生,主要研究方向为碎磨原理。E-mail:7120230014@mail.jxust.edu.cn
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1.江西理工大学 资源与环境工程学院,江西 赣州 341000)])]), Author(id=1241327683959837044, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, 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=1241327684098249087, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, authorId=1241327683959837044, language=EN, stringName=Yu LIU, firstName=Yu, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
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2.长沙矿冶研究院有限责任公司,湖南 长沙 410012
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2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
3.Hunan Jinmo Technology Co., Ltd., Changsha 400012, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241327684769337771, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, authorId=1241327684421210518, language=CN, stringName=李茂林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.长沙矿冶研究院有限责任公司,湖南 长沙 410012
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2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
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2.长沙矿冶研究院有限责任公司,湖南 长沙 410012
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1.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241327686967153131, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, authorId=1241327686707106264, language=CN, stringName=罗聪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Liner structure and geometric modeling of SAG mill, figureFileSmall=4UoibH3B1rd2tWJbB7A9Vw==, figureFileBig=eVm6qZ3CqxzRDfJgtIqUVQ==, tableContent=null), ArticleFig(id=1241327691316646548, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图1, caption=
半自磨机衬板结构及几何建模(a)衬板机械图;(b)衬板结构;(c)几何建模
, figureFileSmall=4UoibH3B1rd2tWJbB7A9Vw==, figureFileBig=eVm6qZ3CqxzRDfJgtIqUVQ==, tableContent=null), ArticleFig(id=1241327691434087067, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.2, caption=
Particle velocity variation and position distribution during grinding, figureFileSmall=w6IGBYkqBZ5InpDcuYh3Sw==, figureFileBig=J28Gi+UJkl//BvV9n9bIdA==, tableContent=null), ArticleFig(id=1241327691559916193, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图2, caption=
磨矿过程中的颗粒速度变化及位置分布, figureFileSmall=w6IGBYkqBZ5InpDcuYh3Sw==, figureFileBig=J28Gi+UJkl//BvV9n9bIdA==, tableContent=null), ArticleFig(id=1241327691656385190, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.3, caption=
Energy distribution under different forms of collision during grinding, figureFileSmall=E4WlzIMiETjFLtsiPnCI3Q==, figureFileBig=MDM2Q/RhUReNg8Uk8MfjhA==, tableContent=null), ArticleFig(id=1241327691807380141, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图3, caption=
磨矿过程中不同形式碰撞下的能量分布, figureFileSmall=E4WlzIMiETjFLtsiPnCI3Q==, figureFileBig=MDM2Q/RhUReNg8Uk8MfjhA==, tableContent=null), ArticleFig(id=1241327691933209265, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.4, caption=
Comparison of predicted and actual values of motion during grinding with different liner parameters, figureFileSmall=S15wIJuWjUI5K3kxjvqNXw==, figureFileBig=5rxpaF33ELwWAUnXbvTUzw==, tableContent=null), ArticleFig(id=1241327692054844086, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图4, caption=
不同衬板参数下的磨矿运动行为预测值与实际值对比(a)抛落高度;(b)抛出范围
, figureFileSmall=S15wIJuWjUI5K3kxjvqNXw==, figureFileBig=5rxpaF33ELwWAUnXbvTUzw==, tableContent=null), ArticleFig(id=1241327692184867516, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.5, caption=
Influence of interaction of different liner parameters on drop height, figureFileSmall=gLAyCyF70hQQDcMMrNY8zg==, figureFileBig=W11LjsS6FT2fIxC04i+2WA==, tableContent=null), ArticleFig(id=1241327692281336515, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图5, caption=
不同衬板参数交互作用对抛落高度的影响, figureFileSmall=gLAyCyF70hQQDcMMrNY8zg==, figureFileBig=W11LjsS6FT2fIxC04i+2WA==, tableContent=null), ArticleFig(id=1241327692390388423, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.6, caption=
Influence of interaction of different liner parameters on moving range, figureFileSmall=qqo0oe5XiVfhwTNdQMtq6Q==, figureFileBig=MX3gFV97hnvk7KLrfbfeUw==, tableContent=null), ArticleFig(id=1241327692495246029, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图6, caption=
不同衬板参数交互作用对抛出范围的影响, figureFileSmall=qqo0oe5XiVfhwTNdQMtq6Q==, figureFileBig=MX3gFV97hnvk7KLrfbfeUw==, tableContent=null), ArticleFig(id=1241327692595909328, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.7, caption=
Variation in maximum and minimum impact energy during grinding with different liner parameters, figureFileSmall=f4HBOYmgI0Y7VqBYz2YavQ==, figureFileBig=xgETSee1zI33EvLuPQkx7g==, tableContent=null), ArticleFig(id=1241327692721738455, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图7, caption=
不同衬板参数下最大碰撞能量和最小碰撞能量变化情况(a)最大碰撞能量;(b)最小碰撞能量
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Influence of interaction of different liner parameters on dispersion degree of collision energy, figureFileSmall=W0xa3a2SJlDRhhuSSXPYIg==, figureFileBig=9vDlYJWXGbCzpKK5isLHXQ==, tableContent=null), ArticleFig(id=1241327692914676449, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图8, caption=
不同衬板参数交互作用对碰撞能量离散程度的影响, figureFileSmall=W0xa3a2SJlDRhhuSSXPYIg==, figureFileBig=9vDlYJWXGbCzpKK5isLHXQ==, tableContent=null), ArticleFig(id=1241327692998562534, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Fig.9, caption=
Influence of interaction of different liner parameters on total collision energy, figureFileSmall=O/W9ULeExAydbFO325mPHA==, figureFileBig=DUagd7DgvHbvf4giDo9c3w==, tableContent=null), ArticleFig(id=1241327693116003053, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=图9, caption=
不同衬板参数交互作用对碰撞总能量的影响, figureFileSmall=O/W9ULeExAydbFO325mPHA==, figureFileBig=DUagd7DgvHbvf4giDo9c3w==, tableContent=null), ArticleFig(id=1241327693204083441, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Table 1, caption=
Physical properties and contact parameters of steel balls and mineral particles
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| 仿真颗粒 | 参数 | 数值 |
|---|
| 钢球 | 密度/(kg·m-3) | 7 800 |
| 泊松比 | 0.3 |
| 弹性模量/MPa | 70 000 |
| 矿物 | 密度/(kg·m-3) | 2 700 |
| 泊松比 | 0.25 |
| 弹性模量/MPa | 1 000 |
| 钢球-钢球 | 恢复系数 | 0.5 |
| 静摩擦因数 | 0.5 |
| 动摩擦因数 | 0.01 |
| 钢球-矿物 | 恢复系数 | 0.4 |
| 静摩擦因数 | 0.6 |
| 动摩擦因数 | 0.02 |
| 矿物-矿物 | 恢复系数 | 0.25 |
| 静摩擦因数 | 0.8 |
| 动摩擦因数 | 0.05 |
), ArticleFig(id=1241327693313135353, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=表1, caption=
钢球和矿物颗粒的物理属性及接触参数
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| 仿真颗粒 | 参数 | 数值 |
|---|
| 钢球 | 密度/(kg·m-3) | 7 800 |
| 泊松比 | 0.3 |
| 弹性模量/MPa | 70 000 |
| 矿物 | 密度/(kg·m-3) | 2 700 |
| 泊松比 | 0.25 |
| 弹性模量/MPa | 1 000 |
| 钢球-钢球 | 恢复系数 | 0.5 |
| 静摩擦因数 | 0.5 |
| 动摩擦因数 | 0.01 |
| 钢球-矿物 | 恢复系数 | 0.4 |
| 静摩擦因数 | 0.6 |
| 动摩擦因数 | 0.02 |
| 矿物-矿物 | 恢复系数 | 0.25 |
| 静摩擦因数 | 0.8 |
| 动摩擦因数 | 0.05 |
), ArticleFig(id=1241327693426381564, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=EN, label=Table 2, caption=
Control parameters and level values of liner
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| 水平值 | 提升条高度/mm | 提升条宽度/mm | 提升条面角/(°) |
|---|
| 1 | 340 | 80 | 20 |
| 2 | 380 | 100 | 30 |
| 3 | 420 | 120 | 40 |
), ArticleFig(id=1241327693506073344, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321692845364056, language=CN, label=表2, caption=
衬板控制参数和水平值
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| 水平值 | 提升条高度/mm | 提升条宽度/mm | 提升条面角/(°) |
|---|
| 1 | 340 | 80 | 20 |
| 2 | 380 | 100 | 30 |
| 3 | 420 | 120 | 40 |
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Experimental scheme and result of BBD
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| 试验次数 | 提升条高度H/mm | 提升条宽度W/mm | 提升条面角A/(°) | 碰撞总能量/J | 能量离散程度 |
|---|
| 1 | 340 | 100 | 20 | 5 017 | 0.288 |
| 2 | 340 | 120 | 30 | 4 878 | 0.271 |
| 3 | 340 | 80 | 30 | 4 824 | 0.311 |
| 4 | 340 | 100 | 40 | 4 650 | 0.229 |
| 5 | 380 | 120 | 20 | 5 368 | 0.343 |
| 6 | 380 | 80 | 20 | 5 625 | 0.366 |
| 7 | 380 | 100 | 30 | 5 684 | 0.159 |
| 8 | 380 | 100 | 30 | 5 554 | 0.157 |
| 9 | 380 | 100 | 30 | 5 705 | 0.159 |
| 10 | 380 | 100 | 30 | 5 549 | 0.159 |
| 11 | 380 | 100 | 30 | 5 808 | 0.153 |
| 12 | 380 | 80 | 40 | 5 246 | 0.361 |
| 13 | 380 | 120 | 40 | 5 318 | 0.328 |
| 14 | 420 | 100 | 20 | 5 749 | 0.347 |
| 15 | 420 | 120 | 30 | 5 626 | 0.390 |
| 16 | 420 | 80 | 30 | 5 832 | 0.407 |
| 17 | 420 | 100 | 40 | 5 670 | 0.405 |
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BBD实验方案及结果
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| 试验次数 | 提升条高度H/mm | 提升条宽度W/mm | 提升条面角A/(°) | 碰撞总能量/J | 能量离散程度 |
|---|
| 1 | 340 | 100 | 20 | 5 017 | 0.288 |
| 2 | 340 | 120 | 30 | 4 878 | 0.271 |
| 3 | 340 | 80 | 30 | 4 824 | 0.311 |
| 4 | 340 | 100 | 40 | 4 650 | 0.229 |
| 5 | 380 | 120 | 20 | 5 368 | 0.343 |
| 6 | 380 | 80 | 20 | 5 625 | 0.366 |
| 7 | 380 | 100 | 30 | 5 684 | 0.159 |
| 8 | 380 | 100 | 30 | 5 554 | 0.157 |
| 9 | 380 | 100 | 30 | 5 705 | 0.159 |
| 10 | 380 | 100 | 30 | 5 549 | 0.159 |
| 11 | 380 | 100 | 30 | 5 808 | 0.153 |
| 12 | 380 | 80 | 40 | 5 246 | 0.361 |
| 13 | 380 | 120 | 40 | 5 318 | 0.328 |
| 14 | 420 | 100 | 20 | 5 749 | 0.347 |
| 15 | 420 | 120 | 30 | 5 626 | 0.390 |
| 16 | 420 | 80 | 30 | 5 832 | 0.407 |
| 17 | 420 | 100 | 40 | 5 670 | 0.405 |
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ANOVA analysis results of quadratic regression model
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| 模型 | 平方和 | 自由度 | 均方 | F值 | P值 |
|---|
| 碰撞总能量 | 2.160×106 | 9 | 2.400×105 | 34.73 | <0.000 1 |
| 提升条高度 | 1.54×106 | 1 | 1.54×106 | 222.52 | <0.000 1 |
| 提升条宽度 | 14 058.29 | 1 | 14 058.29 | 2.03 | 0.196 8 |
| 提升条面角 | 95 613.46 | 1 | 95 613.46 | 13.84 | 0.007 5 |
| 拟合不足 | 170.59 | 3 | 56.86 | 0.004 7 | 0.999 5 |
| 能量离散程度 | 0.146 9 | 9 | 0.016 3 | 885.75 | <0.000 1 |
| 提升条高度 | 0.025 3 | 1 | 0.025 3 | 1 372.76 | <0.000 1 |
| 提升条宽度 | 0.001 6 | 1 | 0.001 6 | 86.12 | <0.000 1 |
| 提升条面角 | 0.000 1 | 1 | 0.000 1 | 3.12 | 0.120 8 |
| 拟合不足 | 0.000 1 | 3 | 0.000 1 | 4.59 | 0.087 5 |
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二次回归模型ANOVA分析结果
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| 模型 | 平方和 | 自由度 | 均方 | F值 | P值 |
|---|
| 碰撞总能量 | 2.160×106 | 9 | 2.400×105 | 34.73 | <0.000 1 |
| 提升条高度 | 1.54×106 | 1 | 1.54×106 | 222.52 | <0.000 1 |
| 提升条宽度 | 14 058.29 | 1 | 14 058.29 | 2.03 | 0.196 8 |
| 提升条面角 | 95 613.46 | 1 | 95 613.46 | 13.84 | 0.007 5 |
| 拟合不足 | 170.59 | 3 | 56.86 | 0.004 7 | 0.999 5 |
| 能量离散程度 | 0.146 9 | 9 | 0.016 3 | 885.75 | <0.000 1 |
| 提升条高度 | 0.025 3 | 1 | 0.025 3 | 1 372.76 | <0.000 1 |
| 提升条宽度 | 0.001 6 | 1 | 0.001 6 | 86.12 | <0.000 1 |
| 提升条面角 | 0.000 1 | 1 | 0.000 1 | 3.12 | 0.120 8 |
| 拟合不足 | 0.000 1 | 3 | 0.000 1 | 4.59 | 0.087 5 |
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