期刊文献+
共找到15,323篇文章
< 1 2 250 >
每页显示 20 50 100
Yeats’s Ideals:Women Old and Young
1
作者 DONG Qian 《Journal of Literature and Art Studies》 2024年第5期330-334,共5页
William Butler Yeats ranks among the most widely admired and intensively studied poets of the 20th century.This paper intends to explore the women who have exerted the most critical influences upon Yeats,namely Gonne,... William Butler Yeats ranks among the most widely admired and intensively studied poets of the 20th century.This paper intends to explore the women who have exerted the most critical influences upon Yeats,namely Gonne,Lady Gregory,and Georgie Hyde-Lees.Even in Yeats’s poetry involved with symbolism,it is worth noting that his employment of symbols has used these women as the archetypes,and that the historical context rendered Yeats’s representations of them in his poetry all the more interesting. 展开更多
关键词 ideals WOMEN representation SYMBOLISM OCCULT
下载PDF
磁共振IDEAL-IQ序列定量分析腹腔内脏脂肪含量与2型糖尿病的关系
2
作者 王金凤 罗琳 +1 位作者 陈强 原小军 《实用医学杂志》 CAS 北大核心 2024年第16期2256-2262,共7页
目的探讨腹腔内脏脂肪含量与糖尿病发生的关系,进而探讨其预测T2DM发病的可行性。方法收集行腹部3.0T MRI检查并有T2DM患者45例(T2DM组),对照组80例,应用IDEAL软件进行图像自动重组,获得脂肪分数(FF图)、弛豫率(R2*)、脂相、水相、同反... 目的探讨腹腔内脏脂肪含量与糖尿病发生的关系,进而探讨其预测T2DM发病的可行性。方法收集行腹部3.0T MRI检查并有T2DM患者45例(T2DM组),对照组80例,应用IDEAL软件进行图像自动重组,获得脂肪分数(FF图)、弛豫率(R2*)、脂相、水相、同反相位图像。将FF图传至AW 4.6工作站,由两名观察者采用双盲法对FF图进行测量。应用ITK-SNAP软件采用阈值分割法半自动勾画腹腔内脏脂肪(VAT)及皮下脂肪组织(SAT),并计算体积。采用SPSS 26.0软件对数据进行统计学分析。结果(1)T2DM组的腹腔内脏脂肪组织体积(VATV)、肝脏脂肪分数(HFF)、胰腺脂肪分数(PFF)、甘油三酯(TG)及空腹血糖(FBG)均高于对照组,高密度脂蛋白(HDL)低于对照组,差异有统计学意义(P<0.05);(2)ROC曲线分析示:PFF判断是否患T2DM的曲线下面积(AUC)为0.656(P<0.01,95%CI:0.534~0.777),截断值为8.44%,敏感度为50%,特异度为82.5%;HFF判断是否患T2DM的AUC为0.744(P<0.05,95%CI:0.637~0.851),截断值、敏感度、特异度分别为2.99%、97.5%、42.5%。男性患者VATV判断T2DM的最佳阈值为3466 cm^(3),敏感度为63.2%,特异度为89.5%,AUC为0.78(P<0.01),联合SATV、PFF及HFF时,敏感度为78.9%,特异度为84.2%,AUC为0.839(P<0.01);女性患者利用VATV诊断T2DM的最佳阈值为2103 cm^(3),利用该阈值判断T2DM的敏感度为66.7%,特异度为66.7%,AUC为0.68(P<0.05),联合SATV、PFF及HFF时,敏感度为90.5%,特异度为76.2%,AUC为0.909(P<0.01)。(3)TG和FBG每增加1个单位,患T2DM的风险就分别提升了3986.3%及417.1%,即TG和FBG是T2DM发病的独立预测因子。结论PFF、HFF及VATV单独在预测T2DM发病方面,检验效能较低。VATV联合SATV、PFF、HFF预测T2DM发生的检验效能显著提高,其敏感度及特异度亦均明显提高。IDEAL-IQ技术是评估T2DM患者腹腔内异位脂肪组织沉积定量的便捷的方法,具有简单、稳定性好及重复性高的优势。 展开更多
关键词 2型糖尿病 内脏脂肪组织 核磁共振 ideal-IQ
下载PDF
基于“IDEAL”模式的物理问题解决能力培养研究
3
作者 杨卓璇 林钦 《中学理科园地》 2024年第3期46-48,51,共4页
学生“物理问题解决能力弱”是长期困扰物理教学的问题,认知心理学关于问题解决的“IDEAL”模式为该问题的研究提供了新的视角。以2022年全国乙卷理综第25题为例,借助“IDEAL”模式可以清晰地梳理问题解决的过程,明确各阶段学生遇到的... 学生“物理问题解决能力弱”是长期困扰物理教学的问题,认知心理学关于问题解决的“IDEAL”模式为该问题的研究提供了新的视角。以2022年全国乙卷理综第25题为例,借助“IDEAL”模式可以清晰地梳理问题解决的过程,明确各阶段学生遇到的困难及成因。研究发现,借助“读思达”教学法,通过粗读、精读等过程,可以有效帮助学生建构物理模型、理清物理过程,从而提高物理问题解决能力。 展开更多
关键词 问题解决 ideal”模式 “读思达”教学法
下载PDF
For the Ideal Homeland
4
作者 ZHOU LIN 《China Today》 2024年第7期62-64,共3页
A town planner combines British experience with Chinese concept of harmony to build green,low-carbon,and sustainable cities.YANG Wei is a woman who wears many hats.An internationally renowned town planner and urban de... A town planner combines British experience with Chinese concept of harmony to build green,low-carbon,and sustainable cities.YANG Wei is a woman who wears many hats.An internationally renowned town planner and urban designer,she is held in high esteem in the academic and planning communities in the U.K.and is a fellow of the U.K.Academy of Social Sciences and former president of the Royal Town Planning Institute(RTPI)based in London.She is also chief executive and co-founder of the Digital Task Force for Planning(DTFP),a non-profit social enterprise,and founding director of London-based planning and urban design firm Wei Yang&Partners. 展开更多
关键词 FOUNDING HARMONY ideal
下载PDF
iDEAL-CIO: Instant Digital Express Advocated “Magic Lamp” for Cloud Intelligence Outlet
5
作者 Sheldon Liang Paul Anthony Miller +1 位作者 Brendan Shane Rowe Alexis Rainbow 《Intelligent Information Management》 2024年第1期35-63,共29页
Instant Digital Express iDEAL-CIO The “Magic Lamp” for Cloud Intelligence Outlet, which has been recommended, combines innovations to satisfy modern users’ needs and efficiently sift through the ever-expanding amou... Instant Digital Express iDEAL-CIO The “Magic Lamp” for Cloud Intelligence Outlet, which has been recommended, combines innovations to satisfy modern users’ needs and efficiently sift through the ever-expanding amount of intelligent content stored in the cloud. One such innovation introduces a ground-breaking concept to remove superfluous and outdated sequential search patterns that overwhelm the user and computer in order to better serve the user in an eclectic & elastic and multidimensional approach to finding, grouping, assimilation, organizing, and delivering archival content. The cloud intelligence outlet (CIO) is presented in this article as the perfect magic lamp option for quick digital express advocacy. The grouping, indexing, folding, and targeting (GIFT) method of multidimensional online synthetic/analytical intelligent content (MOSAIC) for adaptive intelligence is the fundamental intelligent aggregation and automated process of the Magic Lamp. Three perspectives above this new ideal framework are available to observe: The Magic Lamp proposes contextual and multiple analytical tracks to improve cloud intelligence services conceptually. Technically speaking, MOSAIC combines domain-specific services for a wide range of international users, and through the usage of Cloud Intelligence Outlet, GIFT operationally activates grouping, indexing, folding, and targeting to promote decent experience and in-depth research on target for users’ wants. Because of this, iDEAL-CIO works in tandem with cloud extraction, digital transformation, and archival loading to provide improved service through the readily accessible cloud intelligence outlet. 展开更多
关键词 ideal-CIO MOSAIC Multidimensional Online Synthetic/Analytical Intelligent Content
下载PDF
MAXIMAL NILPOTENT IDEALS AND ISOMORPHISMS OF LARGE SUBALGEBRAS OF NEST ALGEBRAS 被引量:2
6
作者 Lu FangyanDept. of Math., Suzhou Univ., Suzhou 215006, China. 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2003年第3期276-282,共7页
Let N be a nest of projections on a Hilbert space H and T(N) be the corresponding nest algebra. Let A be a large subalgebra of T(N). It is proved that any maximal n-nilpotent ideal of A is in the form of A∩R F,where... Let N be a nest of projections on a Hilbert space H and T(N) be the corresponding nest algebra. Let A be a large subalgebra of T(N). It is proved that any maximal n-nilpotent ideal of A is in the form of A∩R F,where F is a finite subnest of N and R F is the Jacobson radical of T(F).Using this result can prove that two large subalgebras are isomorphic if and only if the corresponding nests are similar. 展开更多
关键词 nest algebras large subalgebras maximal n-nilpotent ideals similarity
下载PDF
磁共振脂肪定量技术IDEAL-IQ评价腰椎骨质疏松严重程度的价值 被引量:2
7
作者 成东亮 冯红梅 +5 位作者 文戈 关炜 吴耀忠 张文强 洪居陆 高明勇 《中国CT和MRI杂志》 2023年第5期157-159,共3页
目的 探讨基于MRI迭代最小二乘法水脂分离定量技术(IDEAL-IQ)的椎体骨髓脂肪分数(FF)值在评估腰椎骨质疏松严重程度中的价值。方法 收集88例同时接受双能X线骨密度测量(DXA)和腰椎IDEAL-IQ序列检查的患者,根据DXA结果分为正常骨量组(36... 目的 探讨基于MRI迭代最小二乘法水脂分离定量技术(IDEAL-IQ)的椎体骨髓脂肪分数(FF)值在评估腰椎骨质疏松严重程度中的价值。方法 收集88例同时接受双能X线骨密度测量(DXA)和腰椎IDEAL-IQ序列检查的患者,根据DXA结果分为正常骨量组(36例)、低骨量组(23例)和骨质疏松组(29例),并在IDEAL-IQ序列脂肪分数图中测量椎体的脂肪分数;应用单因素方差分析比较3组椎体的FF值,ROC曲线评估诊断效能;FF值与年龄、身高、体重、BMI指数以及BMD值进行Pearson相关分析。结果 正常骨量组、低骨量组、骨质疏松组FF值分别为(38.84±6.75)%、(51.96±7.65)%、(58.39±12.81)%,总体及组间比较差异显著(P<0.05);FF值识别正常组、低骨量组的AUC为0.797,以46.85%为阈值,敏感度、特异度分别为73.91%、80.56%;FF值识低骨量组、骨质疏松组的AUC为0.691,以57.12%为阈值,敏感度、特异度分别为79.31%、69.57%。FF值与年龄呈正相关(P<0.001,r=0.6059);FF与身高(P<0.001,r=-0.3783)、体重(P<0.001,r=-0.4686)、BMI(P<0.001,r=-0.3649)、BMD(p=0.01,r=-0.2738)呈负相关;与性别无明确相关性。结论 IDEAL-IQ能够精准量化椎体的骨髓脂肪含量,对评估骨质疏松症严重程度有一定价值,有助于从骨质量层面反映骨质疏松状态。 展开更多
关键词 磁共振成像 ideal IQ 骨质疏松 骨密度
下载PDF
Fuzzy dot ideals and fuzzy dot H-ideals of BCH-algebras 被引量:4
8
作者 PENG Jia-yin Key Laboratory of Numerical Simulation of Sichuan Province,Neijiang 641112,China Dept.of Math.,Neijiang Teachers College,Neijiang 641112,China. 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2008年第1期101-106,共6页
The notions of fuzzy dot ideals and fuzzy dot H-ideals in BCH-algebras are introduced, several appropriate examples are provided, and their some properties are investigated. The relations among fuzzy ideal, fuzzy H-id... The notions of fuzzy dot ideals and fuzzy dot H-ideals in BCH-algebras are introduced, several appropriate examples are provided, and their some properties are investigated. The relations among fuzzy ideal, fuzzy H-ideal, fuzzy dot ideal and fuzzy dot H-ideals in BCH- algebras are discussed, several equivalent depictions of fuzzy dot ideal are obtained. How to deal with the homomorphic image and inverse image of fuzzy dot ideals (fuzzy dot H-ideals) are studied. The relations between a fuzzy dot ideal (fuzzy dot H-ideal) in BCH-algebras and a fuzzy dot ideal (fuzzy dot H-ideal) in the product algebra of BCH-algebras are given. 展开更多
关键词 BCH-ALGEBRA fuzzy (dot) ideal fuzzy (dot) H-ideal homomorphism.
下载PDF
KERNEL IDEALS AND CONGRUENCES ON MS-ALGEBRAS 被引量:2
9
作者 罗从文 郑延履 《Acta Mathematica Scientia》 SCIE CSCD 2006年第2期344-348,共5页
In this article, the authors describe the largest congruence induced by a kernel ideal of an MS-algebra and characterize those MS-algebras on which all the congruences are in a one-to-one correspondence with the kerne... In this article, the authors describe the largest congruence induced by a kernel ideal of an MS-algebra and characterize those MS-algebras on which all the congruences are in a one-to-one correspondence with the kernel ideals. 展开更多
关键词 MS-ALGEBRA MS-space kernel ideal
下载PDF
Generalized fuzzy ideals of near-rings 被引量:1
10
作者 ZHAN Jian-ming Davvaz B. 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2009年第3期343-349,共7页
The concept of(∈,∈∨q)-fuzzy subnear-rings(ideals) of a near-ring is introduced and some of its related properties are investigated.In particular,the relationships among ordinary fuzzy subnear-rings(ideals),(... The concept of(∈,∈∨q)-fuzzy subnear-rings(ideals) of a near-ring is introduced and some of its related properties are investigated.In particular,the relationships among ordinary fuzzy subnear-rings(ideals),(∈,∈∨ q)-fuzzy subnear-rings(ideals) and(∈,∈∨q)-fuzzy subnear-rings(ideals) of near-rings are described.Finally,some characterization of [μ]t is given by means of(∈,∈∨ q)-fuzzy ideals. 展开更多
关键词 NEAR-RING subnear-ring ideal (∈ q)-fuzzy subnear-ring ideal (∈ ∈∨ q)-fuzzy subnear-ring(ideal
下载PDF
Generalized (∈, ∈ ∨ q)-fuzzy Ideals in BCK-algebras 被引量:1
11
作者 刘春辉 《Chinese Quarterly Journal of Mathematics》 2015年第3期373-380,共8页
In this paper, as a generalization of the notion of(∈, ∈∨ q)-fuzzy ideals, we introduced the notion of(∈, ∈∨ qδ)-fuzzy ideals and investigated their properties in BCKalgebras. Several equivalent characterizatio... In this paper, as a generalization of the notion of(∈, ∈∨ q)-fuzzy ideals, we introduced the notion of(∈, ∈∨ qδ)-fuzzy ideals and investigated their properties in BCKalgebras. Several equivalent characterizations of(∈, ∈∨ qδ)-fuzzy ideals are obtained and relations between(∈, ∈∨ qδ)-fuzzy ideals and ideals are discussed in BCK-algebras. 展开更多
关键词 BCK-ALGEBRA ideal FUZZY ideal (f(∈ qδ)-fuzzy ideal
下载PDF
Redefined generalized fuzzy ideals of near-rings 被引量:1
12
作者 ZHAN Jian-ming YIN Yun-qiang 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2010年第3期341-348,共8页
With a new idea, we redefine generalized fuzzy subnear-rings (ideals) of a near- ring and investigate some of its related properties. Some new characterizations are given. In particular, we introduce the concepts of... With a new idea, we redefine generalized fuzzy subnear-rings (ideals) of a near- ring and investigate some of its related properties. Some new characterizations are given. In particular, we introduce the concepts of strong prime (or semiprime) (∈, ∈∨ q)-fuzzy ideals of near-rings, and discuss the relationship between strong prime (or semiprime) (∈, ∈∨ q)-fuzzy ideals and prime (or semiprime) (∈, ∈∨ q)-fuzzy ideals of near-rings. 展开更多
关键词 NEAR-RING subnear-ring ideal (∈^- ∈^-∨ q^-)-fuzzy subnear-ring ideal prime (semiprime) (∈ ∈∨ q)-fuzzy subnear-ring ideal).
下载PDF
关于《Fuzzy Subgroups,Fuzzy Ideals,and Fuzzy Cosets:Some properties》一文的注记
13
作者 谢祥云 《五邑大学学报(自然科学版)》 CAS 1999年第2期35-36,共2页
提出了一个反例说明《Fuzzysubgroups,fuzzyideals,andfuzzycosets:Someproperties》一文中一定理证明的错误并给出了一个正确的证明。
关键词 模糊子群 模糊理想 表示定理 四元素群
全文增补中
L-fuzzy h-ideals with Operators in Hemirings 被引量:5
14
作者 詹建明 DAVVAZ Bijan 《Northeastern Mathematical Journal》 CSCD 2007年第1期1-14,共14页
The notions of M-hemirings and L-fuzzy left h-ideals with operators in M-hemirings are introduced, and some properties are investigated. Given an L-fuzzy left h-ideal with operators, a new L-fuzzy left h-ideal with op... The notions of M-hemirings and L-fuzzy left h-ideals with operators in M-hemirings are introduced, and some properties are investigated. Given an L-fuzzy left h-ideal with operators, a new L-fuzzy left h-ideal with operators is established. Using a collection of left M-h-ideals, L-fuzzy left h-ideals with operators are constructed. Moreover, the concept of M-Notherian M-hemiring is introduced and its characterization is given. 展开更多
关键词 M-hemiring M-L-fuzzy left h-ideal Left M-h-ideal M-Notherian
下载PDF
3.0 T磁共振T_(2)WI IDEAL及DTI在腰椎间盘退行性变中应用 被引量:2
15
作者 黄恩善 莫志英 李瑞雄 《生物医学工程与临床》 CAS 2023年第2期150-154,共5页
目的 探讨3.0 T磁共振T_(2)加权成像(T_(2)WI)、三点法非对称回波水脂分离(IDEAL)成像及扩散张量成像(DTI)在腰椎间盘退行性变评估中的应用价值。方法 选择100例腰椎间盘退行性变患者,其中男性51例,女性49例;年龄14~85岁,平均年龄49.4岁... 目的 探讨3.0 T磁共振T_(2)加权成像(T_(2)WI)、三点法非对称回波水脂分离(IDEAL)成像及扩散张量成像(DTI)在腰椎间盘退行性变评估中的应用价值。方法 选择100例腰椎间盘退行性变患者,其中男性51例,女性49例;年龄14~85岁,平均年龄49.4岁;病程1天~3年,平均病程(65.0±16.2)天;发生椎间盘突出部位L_(1/2)椎间盘2例,L_(2/3)椎间盘7例,L_(3/4)椎间盘23例,L_(4/5)椎间盘56例,L5/S1椎间盘48例。采用T_(2)WI IDEAL水相位图根据Pfirrmann分级标准对椎间盘进行分级,并测量各椎间盘T_(2)信号强度(T_(2)SI)。采用矢状位DTI图测量各椎间盘部分各向异性系数(FA)及表观扩散系数(ADC)。比较椎间盘不同Pfirrmann分级间FA、ADC值及T_(2)SI,并统计分析FA、ADC值及T_(2)SI与Pfirrmann分级间的相关性。结果 腰腿痛患者中,Ⅰ级椎间盘19个,Ⅱ级椎间盘126个,Ⅲ级椎间盘178个,Ⅳ级椎间盘144个,Ⅴ级椎间盘33个。椎间盘不同Pfirrmann分级间FA、ADC值及T_(2)SI总体差异均具有统计学意义(P<0.05)。组间多重比较显示,椎间盘ADC值在Ⅳ级与Ⅴ级之间差异无统计学意义(P>0.05),Ⅰ~Ⅲ级组间差异有统计学意义(P<0.05);FA及T_(2)SI组间比较,除Ⅰ级与Ⅱ级间差异无统计学意义(P>0.05)外,其余Ⅲ~Ⅴ级组间差异均有统计学意义(P<0.05)。椎间盘FA值与Pfirrmann分级呈中度正相关(r=0.626,P<0.05);ADC值与Pfirrmann分级呈高度负相关(r=-0.752,P<0.05);T_(2)SI与Pfirrmann分级呈高度负相关(r=-0.712,P<0.05);T_(2)SI与ADC值呈中度正相关(r=0.505,P<0.05);T_(2)SI与FA值呈弱负相关(r=-0.319,P<0.05)。结论 结合T_(2)WI IDEAL和DTI进行分析,可以为腰椎间盘退行性变的临床诊断及疗效评估提供参考依据。 展开更多
关键词 磁共振成像 椎间盘退行性变 ideal序列 扩散张量成像
下载PDF
The Pointwise Characterizations of Fuzzy Ideals and Fuzzy Prime Ideals 被引量:1
16
作者 张诚一 《Chinese Quarterly Journal of Mathematics》 CSCD 1997年第2期79-85, ,共7页
In this paper, the auther programs and discusses the fuzzy subrings, fuzzy ideals generated by fuzzy points.
关键词 模糊理想 模糊质理想 模糊子环 模糊点集
下载PDF
Characterizations of Hemirings by the Properties of Their <i>k</i>-Ideals
17
作者 Muhammad Shabir Rukhshanda Anjum 《Applied Mathematics》 2013年第5期753-768,共16页
In this paper we characterize those hemirings for which each k-ideal is idempotent. We also characterize those hemirings for which each fuzzy k-ideal is idempotent. The space of prime k-ideals (fuzzy k-prime k-ideals)... In this paper we characterize those hemirings for which each k-ideal is idempotent. We also characterize those hemirings for which each fuzzy k-ideal is idempotent. The space of prime k-ideals (fuzzy k-prime k-ideals) is topologized. 展开更多
关键词 Hemiring Fuzzy k-ideal IDEMPOTENT k-ideals Prime ideals SEMIPRIME ideals
下载PDF
Some properties of fuzzy positive implicative ideals in a BCK-algebras
18
作者 吴从炘 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2001年第2期168-172,共5页
In this paper, we use the notion of fuzzy point to study ideal and positive implicative ideal in BCK algebras, then we clarify the links between the fuzzy point approach, the classical fuzzy approach and the ordinary ... In this paper, we use the notion of fuzzy point to study ideal and positive implicative ideal in BCK algebras, then we clarify the links between the fuzzy point approach, the classical fuzzy approach and the ordinary case. 展开更多
关键词 BCK algebra fuzzy point fuzzy positive implicative ideal positive implicative weak ideal
下载PDF
EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS
19
作者 董浙 鲁世杰 《Acta Mathematica Scientia》 SCIE CSCD 2002年第2期222-226,共5页
In this paper, the extreme points of the unit ball of diagonal-disjoint ideals L in nest algebras are characterized completely; Furthermore, it is shown that every extreme point of the unit ball of L has essential-nor... In this paper, the extreme points of the unit ball of diagonal-disjoint ideals L in nest algebras are characterized completely; Furthermore, it is shown that every extreme point of the unit ball of L has essential-norm one. 展开更多
关键词 Diagonal-disjoint ideals extreme points contractive perturbation
下载PDF
Special ideals in partial abelian monoids
20
作者 YU Zhi-jian CHO Min-hyung WU Jun-de 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2010年第1期112-116,共5页
Under some conditions, the special congruences of partial abelian monoid are those induced by the special ideals, and a class of special ideals of partial abelian monoid has some upper and lower bound properties.
关键词 Quantum logic partial abelian monoid ideal.
下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部