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Linear arboricity of Cartesian products of graphs
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作者 陶昉昀 林文松 《Journal of Southeast University(English Edition)》 EI CAS 2013年第2期222-225,共4页
A linear forest is a forest whose components are paths. The linear arboricity la (G) of a graph G is the minimum number of linear forests which partition the edge set E(G) of G. The Cartesian product G□H of two g... A linear forest is a forest whose components are paths. The linear arboricity la (G) of a graph G is the minimum number of linear forests which partition the edge set E(G) of G. The Cartesian product G□H of two graphs G and H is defined as the graph with vertex set V(G□H) = {(u, v)| u ∈V(G), v∈V(H) } and edge set E(G□H) = { ( u, x) ( v, Y)|u=v and xy∈E(H), or uv∈E(G) and x=y}. Let Pm and Cm,, respectively, denote the path and cycle on m vertices and K, denote the complete graph on n vertices. It is proved that (Km□Pm)=[n+1/2]for m≥2,la(Km□Cm)=[n+2/2],and la(Km□Km)=[n+m-1/2]. The methods to decompose these graphs into linear forests are given in the proofs. Furthermore, the linear arboricity conjecture is true for these classes of graphs. 展开更多
关键词 linear forest linear arboricity Cartesian product
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On k-Star Arboricity of Graphs
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作者 陶昉昀 林文松 《Journal of Donghua University(English Edition)》 EI CAS 2014年第3期335-338,共4页
A star forest is a forest whose components are stars. The star arboricity of a graph G,denoted by sa( G),is the minimum number of star forests needed to decompose G. Let k be a positive integer. A k-star forest is a... A star forest is a forest whose components are stars. The star arboricity of a graph G,denoted by sa( G),is the minimum number of star forests needed to decompose G. Let k be a positive integer. A k-star forest is a forest whose components are stars of order at most k + 1. The k-star arboricity of a graph G,denoted by sak( G),is the minimum number of k-star forests needed to decompose G. In this paper,it is proved that if any two vertices of degree 3 are nonadjacent in a subcubic graph G then sa2( G) ≤2.For general subcubic graphs G, a polynomial-time algorithm is described to decompose G into three 2-star forests. For a tree T and[Δ k, T)/k]t≤ sak( T) ≤[Δ( T)- 1/K]+1,where Δ( T) is the maximum degree of T.kMoreover,a linear-time algorithm is designed to determine whether sak( T) ≤m for any tree T and any positive integers m and k. 展开更多
关键词 star arboricity k-star arboricity linear k-arboricity cubic graphs subcubic graphs
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Linear Arboricity of NIC-Planar Graphs 被引量:1
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作者 Bei NIU Xin ZHANG 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 2019年第4期924-934,共11页
A graph is NIC-planar if it admits a drawing in the plane with at most one crossing per edge and such that two pairs of crossing edges share at most one common end vertex. It is proved that every NIC-planar graph with... A graph is NIC-planar if it admits a drawing in the plane with at most one crossing per edge and such that two pairs of crossing edges share at most one common end vertex. It is proved that every NIC-planar graph with minimum degree at least 2(resp. 3) contains either an edge with degree sum at most 23(resp. 17) or a 2-alternating cycle(resp. 3-alternating quadrilateral). By applying those structural theorems, we confirm the Linear Arboricity Conjecture for NIC-planar graphs with maximum degree at least 14 and determine the linear arboricity of NIC-planar graphs with maximum degree at least 21. 展开更多
关键词 NIC-planar GRAPH LINEAR arboricity LIGHT EDGE
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ARBORICITY AND COMPLEMENT OF A GRAPH
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作者 王建方 陈传平 张忠辅 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 1998年第1期28-35,共8页
The arboricity of graph G=(V,E), denoted by a(G), is defined as a(G)=min{n | E can be partitioned into n subsets E1,E2,...,En, such that each subset spans a subgraph of G so as to be a forest}.In this paper the follow... The arboricity of graph G=(V,E), denoted by a(G), is defined as a(G)=min{n | E can be partitioned into n subsets E1,E2,...,En, such that each subset spans a subgraph of G so as to be a forest}.In this paper the following results have been obtained. For any graph G of order p,and the bounds are sharp; especially as an integer function, 5p+7 could not be decreased. Furthermore, Nordhaus-Gaddum Theorem for arboricity has also been got. 展开更多
关键词 arboricity COMPLEMENT vertex-arboricity
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Linear Arboricity of Outer-1-Planar Graphs 被引量:1
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作者 Xin Zhang Bi Li 《Journal of the Operations Research Society of China》 EI CSCD 2021年第1期181-193,共13页
A graph is outer-1-planar if it can be drawn in the plane so that all vertices are on the outer face and each edge is crossed at most once.Zhang et al.(Edge covering pseudo-outerplanar graphs with forests,Discrete Mat... A graph is outer-1-planar if it can be drawn in the plane so that all vertices are on the outer face and each edge is crossed at most once.Zhang et al.(Edge covering pseudo-outerplanar graphs with forests,Discrete Math 312:2788-2799,2012;MR2945171)proved that the linear arboricity of every outer-1-planar graph with maximum degree△is exactly[△/2] provided that△=3or△≥5 and claimed that there are outer-1-planar graphs with maximum degree △=4 and linear arboricity[[(O+1)/2]=3.It is shown in this paper that the linear arboricity of every outer-1-planar graph with maximum degree 4 is exactly 2 provided that it admits an outer-1-planar drawing with crossing distance at least 1 and crossing width at least 2,and moreover,none of the above constraints on the crossing distance and Crossing width can be removed..Besides,a polynomial-time algorithm for constructing a path-2-coloring(i.e.,an edge 2-coloring such that each color class induces a linear forest,a disjoint union of paths)of such an outer-1-planar drawing is given. 展开更多
关键词 Outer-1-planar graph CROSSING Linear arboricity Polynomial-time algorithm
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Equitable Vertex Arboricity Conjecture Holds for Graphs with Low Degeneracy
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作者 Xin ZHANG Bei NIU +1 位作者 Yan LI Bi LI 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2021年第8期1293-1302,共10页
The equitable tree-coloring can formulate a structure decomposition problem on the communication network with some security considerations.Namely,an equitable tree-Zc-coloring of a graph is a vertex coloring using k d... The equitable tree-coloring can formulate a structure decomposition problem on the communication network with some security considerations.Namely,an equitable tree-Zc-coloring of a graph is a vertex coloring using k distinct colors such that every color class induces a forest and the sizes of any two color classes differ by at most one.In this paper,we show some theoretical results on the equitable tree-coloring of graphs by proving that every d-degenerate graph with maximum degree at most Δ is equitably tree-fc-colorable for every integer k≥(Δ+1)/2 provided that Δ≥9.818d,confirming the equitable vertex arboricity conjecture for graphs with low degeneracy. 展开更多
关键词 Equitable coloring tree-coloring vertex arboricity DEGENERACY
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THE LINEAR ARBORICITY OF COMPOSITION GRAPHS
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作者 WU Jianliang +2 位作者 LIU Guizhen Yuliang 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2002年第4期372-375,共4页
The linear arboricity la(G) of a graph G is the minimum number of linear forests which partition the edges of G. Akiyama, Exoo and Harary conjectured that la(G) = [△(G)+1/2] for any regular graph G. In this paper, we... The linear arboricity la(G) of a graph G is the minimum number of linear forests which partition the edges of G. Akiyama, Exoo and Harary conjectured that la(G) = [△(G)+1/2] for any regular graph G. In this paper, we prove the conjecture for some composition graphs, in particular, for complete multipartite graphs. 展开更多
关键词 GRAPH composition of graphs linear arboricity complete multipartite graph.
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Linear Arboricity of Regular Digraphs
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作者 Wei Hua HE Hao LI +1 位作者 Yan Dong BAI Qiang SUN 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2017年第4期501-508,共8页
A linear directed forest is a directed graph in which every component is a directed path.The linear arboricity la(D) of a digraph D is the minimum number of linear directed forests in D whose union covers all arcs of ... A linear directed forest is a directed graph in which every component is a directed path.The linear arboricity la(D) of a digraph D is the minimum number of linear directed forests in D whose union covers all arcs of D. For every d-regular digraph D, Nakayama and P′eroche conjecture that la(D) = d + 1. In this paper, we consider the linear arboricity for complete symmetric digraphs,regular digraphs with high directed girth and random regular digraphs and we improve some wellknown results. Moreover, we propose a more precise conjecture about the linear arboricity for regular digraphs. 展开更多
关键词 Linear arboricity DIGRAPH Lovász Local Lemma random regular digraphs
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Ann Arbor分期划分淋巴瘤淋巴结区域的意义探讨 被引量:26
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作者 袁媛 李金娇 +4 位作者 肖荦 邓俊 刘惠 刘媛媛 朱苏雨 《中国现代医学杂志》 CAS 北大核心 2017年第10期107-111,共5页
目的分析淋巴瘤Ann Arbor淋巴结分区法对胸部淋巴瘤累及范围分布划分的充分性,探讨其对淋巴瘤淋巴区域累及野放疗设计的意义。方法收集湖南省肿瘤医院初治的24例治疗前进行过18F-FDG PET/CT检查的累及胸部的淋巴瘤患者,根据PET/CT检查... 目的分析淋巴瘤Ann Arbor淋巴结分区法对胸部淋巴瘤累及范围分布划分的充分性,探讨其对淋巴瘤淋巴区域累及野放疗设计的意义。方法收集湖南省肿瘤医院初治的24例治疗前进行过18F-FDG PET/CT检查的累及胸部的淋巴瘤患者,根据PET/CT检查显示统计病变在胸部累及的区域以及各个区域的发生率。结果淋巴瘤患者在胸部可累及多个区域,病变累及最多的区域是纵隔的4R区(66.7%,16/24),其次是双侧锁骨上区(62.5%,15/24);14例(58%)患者累及除Ann Arbor分期设定的纵隔、肺门、腋窝及锁骨上下区之外的淋巴结区域,包括内乳区淋巴结、心包、胸壁、横隔上淋巴结及膈角后淋巴结。结论 18F-FDG PET/CT能精确显示淋巴瘤在胸部受累的淋巴结区域,目前的Ann Arbor分期并不能详细包括累及胸部的淋巴瘤受累区域,需要尽早设计出更精确的淋巴瘤受累区域分区,以适合现代放疗靶区设计的范围定义及诊断。 展开更多
关键词 18F-FDG PET/CT 淋巴瘤 ANN Arbor分期
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非霍奇金淋巴瘤中增殖指数Ki-67及其临床价值 被引量:14
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作者 李佳 胡荣 +3 位作者 廖爱军 石卉莹 杨威 刘卓刚 《中国实验血液学杂志》 CAS CSCD 2011年第4期935-939,共5页
本研究旨在探讨Ki-67增殖指数(Ki-67PI)与非霍奇金淋巴瘤(NHL)分型及生物学行为间的关系及在弥漫性大B细胞淋巴瘤(DLBCL)临床特征及预后中的价值。回顾性分析2001年1月1日至2010年12月31日期间在我院经病理诊断确诊的NHL病例542例,所有... 本研究旨在探讨Ki-67增殖指数(Ki-67PI)与非霍奇金淋巴瘤(NHL)分型及生物学行为间的关系及在弥漫性大B细胞淋巴瘤(DLBCL)临床特征及预后中的价值。回顾性分析2001年1月1日至2010年12月31日期间在我院经病理诊断确诊的NHL病例542例,所有病例均经免疫组织化学检测Ki-67PI。分析其中初治且病例资料完整的DLBCL患者82例并对其进行临床研究。结果表明,依据WHO(2001)淋巴组织肿瘤分型方案,NHL分型不同,Ki-67PI亦不同。随NHL侵袭程度升高,Ki-67PI均值逐渐增大。ROC曲线分析结果显示,50%为区分惰性淋巴瘤与侵袭性淋巴瘤的临界值。82例初治DLBCL患者临床研究显示,75%为区分DLBCL患者具有良好或不良预后的临界值,且Ki-67的表达与患者Ann Arbor分期及乳酸脱氢酶(LDH)水平相关。按Ann Arbor分期及LDH水平分层研究显示,Ann Arbor分期Ⅲ-Ⅳ期及LDH水平升高组中,具有B症状及IPI评分3-5分的患者、Ki-67PI≤75%的患者3年总生存率(OS)高于Ki-67PI>75%的患者;Ann Arbor分期Ⅲ-Ⅳ期及LDH水平正常组中,具有B症状、Ki-67PI≤75%的患者3年OS高于Ki-67PI>75%的患者。结论:Ki-67PI临界值50%有助于区分惰性及侵袭性淋巴瘤。在DLBCL患者中,应用Ki-67PI临界值75%并联合B症状、Ann Arbor分期、IPI评分及LDH水平等相关因素可综合评价患者预后。 展开更多
关键词 KI-67 Ki-67PI增殖指数 非霍奇金淋巴瘤 弥漫性大B细胞淋巴瘤 ANN Arbor分期 乳酸脱氢酶
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冷刺激下AA肉鸡PCK1基因的表达量 被引量:4
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作者 李剑虹 杜晓彤 +3 位作者 刘火 闫辰 李想 包军 《贵州农业科学》 CAS 北大核心 2014年第8期142-146,共5页
为了解磷酸烯醇式丙酮酸羧激酶1(PCK1)基因在冷刺激下肉鸡组织中的表达情况,选择75只AA肉鸡随机分成5组,其中1组为对照组(正常饲养温度),其余4组为处理组(比正常饲养温度低3℃),于8日龄起每天分别进行冷刺激1h、3h、5h和24h,21日龄结束... 为了解磷酸烯醇式丙酮酸羧激酶1(PCK1)基因在冷刺激下肉鸡组织中的表达情况,选择75只AA肉鸡随机分成5组,其中1组为对照组(正常饲养温度),其余4组为处理组(比正常饲养温度低3℃),于8日龄起每天分别进行冷刺激1h、3h、5h和24h,21日龄结束,22日龄屠宰测定PCK1基因在各组织的表达情况。结果表明:在冷刺激条件下,PCK1基因表达量存在组织特异性,在肝脏中表达量最高,其次是胸腺,第三是肾脏。在相同组织中,除冷刺激24h处理组外,心脏中PCK1基因的表达量随冷刺激时间的延长变化幅度不大,肝脏、肾脏和肺脏中呈上升趋势,脾脏中呈下降趋势,胸腺中呈先下降后上升趋势。对于参与糖异生的肝脏和肾脏,冷刺激对其中PCK1基因的表达量有显著上调作用。 展开更多
关键词 AA(Arbor Acres)肉鸡 冷刺激 PCK1 基因表达
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老年恶性淋巴瘤患者88例临床特点分析 被引量:4
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作者 冀林华 李娜 +8 位作者 郑杰 崔森 李占全 熊辉霞 罗伟 马晓静 熊华 尹启超 建磊磊 《实用医学杂志》 CAS 北大核心 2015年第18期3118-3119,共2页
本研究收集初诊老年恶性淋巴瘤(malignant lymphoma,ML)患者88例,回顾性分析临床资料,探讨该地区老年ML发病的临床特点和预后生存情况,为本地区老年淋巴瘤的早期预防、诊断、分期、疗效评价和预后判断提供依据。1病例与方法1.1病例按... 本研究收集初诊老年恶性淋巴瘤(malignant lymphoma,ML)患者88例,回顾性分析临床资料,探讨该地区老年ML发病的临床特点和预后生存情况,为本地区老年淋巴瘤的早期预防、诊断、分期、疗效评价和预后判断提供依据。1病例与方法1.1病例按照WHO2001年淋巴瘤分类标准,收集2005年1月至2011年12月在青海大学附属医院经临床病理及免疫分型检查确诊的住院初诊老年ML患者88例. 展开更多
关键词 老年恶性淋巴瘤 免疫分型 分类标准 淋巴细胞为主型 CHOP 滤泡性淋巴瘤 淋巴细胞计数 临床资料 间变性 ARBOR
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宰前休息时间对肉鸡体重及肉质与福利的影响 被引量:1
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作者 李剑虹 闫辰 +3 位作者 杜晓彤 张静 李想 包军 《贵州农业科学》 CAS 北大核心 2014年第7期120-123,126,共5页
为探明宰前休息时间对肉鸡体重及肉质与福利的影响,找出肉鸡屠宰前最佳休息时间,以AA肉鸡为研究对象,随机分成2个处理组(室内平养组和室外散养组),在屠宰前分别休息0min、30min、60min、90min和120min后屠宰,测定相应指标。结果表明:宰... 为探明宰前休息时间对肉鸡体重及肉质与福利的影响,找出肉鸡屠宰前最佳休息时间,以AA肉鸡为研究对象,随机分成2个处理组(室内平养组和室外散养组),在屠宰前分别休息0min、30min、60min、90min和120min后屠宰,测定相应指标。结果表明:宰前休息时间和饲养方式对肉鸡的体重和肛温均无显著影响。在平养方式下,宰前休息0min、90min组肉鸡的拍翅时长显著高于30min和120min组(P<0.05),休息0min组肉鸡的pH1值显著小于120min组(P<0.05),休息0min、30min和60min组肉鸡的滴水损失显著大于120min组(P<0.05),休息90min、120min组肉鸡的肉色a*值显著大于0min组(P<0.05);在散养方式下,宰前休息0min组肉鸡的拍翅时长显著高于60min组(P<0.05),休息0min组肉鸡的pH2值显著小于60min组(P<0.05),休息0min和30min组肉鸡的剪切力显著大于60min组(P<0.05)。宰前休息60min、90min和120min时散养组肉鸡的发声行为显著高于平养组(P<0.05),休息30min时散养组肉鸡的拍翅时长显著高于平养组(P<0.05),休息120min时散养组肉鸡的滴水损失显著大于平养组(P<0.05)。运输后适当休息有助于降低机体应激,提高福利,缓解肉质下降,平养组肉鸡的最佳宰前休息时间为90min,散养组为120min。 展开更多
关键词 AA(Arbor Acres)肉鸡 宰前休息时间 生产性能 福利
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橡胶籽饼在肉用型鸡日粮中的饲喂效果 被引量:3
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作者 戴志明 李琦华 李继萍 《云南畜牧兽医》 1990年第1期4-7,共4页
我省年产橡胶籽饼1.3万吨左右,其含粗蛋白质21~24。多年来各植胶垦区已广泛用其饲喂生长肥育猪和产蛋鸡均收到良好效果,但未见用橡胶籽饼饲喂肉鸡的正式试验报道。为研究其饲喂肉鸡的价值和效果,筛选出橡胶籽油饼在肉鸡日粮中的较佳用... 我省年产橡胶籽饼1.3万吨左右,其含粗蛋白质21~24。多年来各植胶垦区已广泛用其饲喂生长肥育猪和产蛋鸡均收到良好效果,但未见用橡胶籽饼饲喂肉鸡的正式试验报道。为研究其饲喂肉鸡的价值和效果,筛选出橡胶籽油饼在肉鸡日粮中的较佳用量,以利充分开发利用当地蛋白质饲料资源,解决我省蛋白质饲料短缺的问题,特进行本试验。 1 材料与方法用同批14日龄Arbor Actes (AA)肉用型商品一代鸡324只,随机分为对照,试1、试2、试3、试4和试5六个组,每组54只。试验鸡单鸡单笼饲养于同一条件下的全梯式鸡笼内。 展开更多
关键词 肉用型 蛋白质饲料资源 鸡日 饲喂效果 生长肥育猪 ARBOR 耗料量 单笼饲养 屠体重 植胶
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Dynamic change of arborous species diversity in natural secondary forests after selective cutting on the north slope of Changbai Mountain, Northeast China
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作者 金永焕 周莉 +3 位作者 谷会岩 代力民 申光日 刘军 《Journal of Forestry Research》 SCIE CAS CSCD 2003年第4期299-302,共4页
The community characteristics of natural secondary forests on the north slope of Changbai Mountain after selective cutting were investigated, and the dynamics of arborous species diversity during the restoration perio... The community characteristics of natural secondary forests on the north slope of Changbai Mountain after selective cutting were investigated, and the dynamics of arborous species diversity during the restoration period of 28 years were studied. The results showed that the arborous species richness (S) had little change and kept the range of 18-22 all along, the Simpson index (D) of the secondary layer and regeneration layer and whole stand had similar trends of change, but that of the canopy layer descended slowly in initial 15 years and had little change later, and the change of diversity index was not obvious and the Shannon-Wiener index (H? fluctuated in a very small scopes (H±10%). 展开更多
关键词 Arborous species diversity Natural secondary forests Selective cutting Northeast China
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口腔颌面-头颈部黏膜相关淋巴组织边缘区淋巴瘤临床及预后分析 被引量:3
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作者 张湉 吴云腾 郭伟 《中国口腔颌面外科杂志》 CAS 2019年第5期424-430,共7页
目的:探讨口腔颌面-头颈部黏膜相关淋巴组织边缘区淋巴瘤(MALT淋巴瘤)的临床特征、分期、治疗方法及预后,为临床治疗提供更强的循证医学证据。方法:回顾分析上海交通大学医学院附属第九人民医院口腔颌面-头颈肿瘤科收治的105例原发于口... 目的:探讨口腔颌面-头颈部黏膜相关淋巴组织边缘区淋巴瘤(MALT淋巴瘤)的临床特征、分期、治疗方法及预后,为临床治疗提供更强的循证医学证据。方法:回顾分析上海交通大学医学院附属第九人民医院口腔颌面-头颈肿瘤科收治的105例原发于口腔颌面-头颈部的MALT淋巴瘤患者的临床资料,采用SPSS 22.0软件包对其预后进行分析。结果:105例MALT淋巴瘤患者中,男女比例为1∶2.5,中位年龄56岁(18~86岁)。主要临床表现为单纯渐增性肿块,52%的患者有长期口干症状或曾被诊断为自身免疫性疾病或慢性腮腺炎。根据Ann Arbor分期,Ⅰ期48例,Ⅱ期25例,Ⅲ期7例,Ⅳ期25例;有B症状者仅1例,无骨髓受侵的患者。最常见的部位为腮腺、腭、下颌下腺。50例接受单一治疗,49例接受联合治疗。中位随访时间60个月,8例失访,初治后完全缓解率为80%;疾病进展12例,死亡14例。5年总生存期和无进展生存期分别为89%、88%;全身治疗(化疗或利妥昔单抗)可显著提高晚期患者的无进展生存期(P<0.05),MALT淋巴瘤的国际预后指数(MALT-IPI)是影响总生存期的独立预后因素,Ann Arbor分期是影响无进展生存期的独立预后因素。结论:口腔颌面-头颈部MALT淋巴瘤初治疗效良好,进展缓慢;晚期患者应辅助全身治疗。MALT-IPI和Ann Arbor分期是影响预后的独立因素。 展开更多
关键词 MALT淋巴瘤 口腔颌面-头颈部 MALT-IPI ANN Arbor分期
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PMAC Principle and Its Application to Cell Winding 被引量:3
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作者 Zhao Xiaolong Yang yonggang Zhang Zhiyuan Wu Fengming 《Journal of Rare Earths》 SCIE EI CAS CSCD 2004年第z1期352-354,共3页
The structure and principle of the PMAC (Programmable Multi-Axis Controller) were described.The implementation of PMAC hardware was illustrated by taking the winding process of one cell for example.The main obvious ch... The structure and principle of the PMAC (Programmable Multi-Axis Controller) were described.The implementation of PMAC hardware was illustrated by taking the winding process of one cell for example.The main obvious character of PMAC is to complete a movement program in turns of movement sequence.When PMAC is notified to execute a motion program, it will process one command every time and finish all the calculation to be ready for real action.PMAC card works always prior to real action, when necessary, it can always coordinate correctly with the action which will be carried out soon PMAC will automatically carry out the function of resource management periodically to make sure that the whole system is in correct condition.And also, it can communicate with host computer anytime even during a movement series.The responsibility of PMAC is to organize command according to priority to optimize the system, so as to run the application program safely and efficiently.The function and application of control were emphasized. 展开更多
关键词 PMAC WINDING machine control ENCODER ARBOR MOVEMENT program
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COP方案治疗晚期(Ⅲ、Ⅳ期)低度恶性非何杰金氏淋巴瘤20例疗效观察
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作者 董克笃 黎而介 +1 位作者 陈解语 杨文敏 《广西医学》 CAS 1989年第4期212-213,共2页
COP 方案治疗非何杰金氏淋巴瘤(简称 NHL)于70年代即为国内外所采用,认为对高、中度恶性 NHL 的疗效不十分满意。但专门观察治疗晚期低度恶性 NHL疗效的资料却很少。本文回顾分析了我院1977~1986年用 COP 方案治疗晚期低度恶性NHL20例... COP 方案治疗非何杰金氏淋巴瘤(简称 NHL)于70年代即为国内外所采用,认为对高、中度恶性 NHL 的疗效不十分满意。但专门观察治疗晚期低度恶性 NHL疗效的资料却很少。本文回顾分析了我院1977~1986年用 COP 方案治疗晚期低度恶性NHL20例的疗效,并分析了与疗效有关的因素。 展开更多
关键词 COP 裂细胞性淋巴瘤 弥漫型 环磷酞胺 化疗周期 滤泡型 ARBOR 病理分型 疗效关系 病理分类
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miR-26a-5p在弥漫性大B淋巴细胞瘤中的表达及意义 被引量:2
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作者 刘秀敏 潘云 +3 位作者 李正金 李耀康 王敏 高波 《广东医学》 CAS 北大核心 2017年第20期3094-3097,共4页
目的探讨miR-26a-5p的表达与弥漫性大B细胞淋巴瘤(DLBCL)临床病理特征的相关性以及在其发生、发展中的意义。方法选取大理大学第一附属医院病理科保存的16例淋巴结反应性增生和41例DL-BCL石蜡包埋组织,应用实时荧光定量逆转录聚合酶链反... 目的探讨miR-26a-5p的表达与弥漫性大B细胞淋巴瘤(DLBCL)临床病理特征的相关性以及在其发生、发展中的意义。方法选取大理大学第一附属医院病理科保存的16例淋巴结反应性增生和41例DL-BCL石蜡包埋组织,应用实时荧光定量逆转录聚合酶链反应(Real time RT-PCR)方法检测miR-26a-5p的表达水平,并用免疫组织化学方法检测CD10、MUM1、Bcl-6、Ki-67在DLBCL中的表达,分析miR-26a-5p与DLBCL临床病理特征和相关蛋白表达的关系。结果 miR-26a-5p在DLBCL中低表达。41例DLBCL中,有27例Ki-67呈阳性,miR-26a-5p的表达与Ki-67的表达呈负相关;Ⅰ~Ⅱ期有20例,Ⅲ~Ⅳ期有21例,miR-26a-5p的表达与Ann Arbor分期呈负相关。结论 miR-26a-5p在DLBCL中可能发挥抑癌基因的作用,miR-26a-5p的低表达可能是DLBCL进展恶化的标志。 展开更多
关键词 弥漫性大B细胞淋巴瘤 miR-26a-5p ANN Arbor分期 KI-67
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Accumulation and migration of elements-pollutants in “soil-plant” system within urban territory 被引量:2
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作者 Тatiana А. Mikhailova Оlga V. Shergina Olga V. Kalugina 《Natural Science》 2013年第6期705-709,共5页
In the urbanized territory (the Irkutsk city), the content of sulfur and heavy metals (lead, cadmium, copper, zinc) in soil profile horizons and leaves (needles) arboreal plants were studied. High accumulation of poll... In the urbanized territory (the Irkutsk city), the content of sulfur and heavy metals (lead, cadmium, copper, zinc) in soil profile horizons and leaves (needles) arboreal plants were studied. High accumulation of polluting elements in pine and larch needles, birch and poplar leaves, as well as in all genetic horizons of the city soils was shown. There were revealed elements disbalance in city trees assimilation organs showing in the increase of the polluting elements quota with the parallel decrease of the quota of nitrogen, phosphorus, calcium, magnesium, potassium, manganese. Pollutants concentration in trees needles (leaves) was shown to be closely related to their content in soil horizons. The results speak in favor of high migration ability of polluting elements in soil profile and about possibility their entrance in trees root system and further to assimilation organs from all city soils horizons. It can be concluded that data on accumulation and migration of polluting elements in soils and arboreal trees assimilation organs contribute to adequate assessment of technogenic load on urban ecosystems. 展开更多
关键词 URBAN ECOSYSTEM Air Pollution ARBOREAL Plants Soil Genetic Profile
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