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Compared wth traditional static clustering,dynamic automatic clustering has the following characteristics:real-time dynamicness,limited number of documents to be clustered every time,localness of document data to be used for clustering and randomness of the distribution of resources to be clustered in the whole resource set.

与传统静态聚类系统相比,动态自动聚类系统有以下特点:聚类是动态进行的,它是在检索结果返回的基础上进行的实时操作;每次聚类的文献对象数量有限;用来作为聚类依据的文献数据只是文献的局部;参与聚类的资源在整个资源集合中的分布是随机的。

RESULTS: The multiple component network pharmacokinetics follow a first order linear mammillary model. C is a polynomial of power index number e, which is similar to the whole compartment model. Various parameters were calculated by the expression of matrix consisting of α and the compartment parameters.

结果:药物多成分代谢网络动力学遵循一级线性乳突模型,c为e的幂指数多项式形式,与总室模型相似,各参数由其与各室间常数构成矩阵的特征值α的关系方程组算得。

Moreover, the actual allele frequency of most varieties deviates far from Hardy-Weinberg equilibrium. All PPB、na 、I、h、Gi and Fst have proved to be the references to elucidate that ISSR is a most powerful tool to analyze genetic diversity, compared with the RAPD marker and the allozyme marker is less strong ordinally. We could divided the 70 samples into A, B, C, D and E five groups using three methods according to genetic distance clustering. There is a bit displacement for few varieties in different clustering maps, but the most are similar to morphological analysis despite that there is still a great difference among cultivars in the same one group. The above results imply that the three methods have the different sensitivity and resolution in genetic distance analysis of close varieties. The Mantel test indicates that the results from the three kinds of markers have the significant correlation, which demonstrates that the number of the used three kinds of markers is enough to exactly detect the diversity of all 70 samples to ideal extent. And these methods can be used to evaluate the diversity of the whole group using the miscellaneous samples instead of the individual sample, of the Gerbera jamesonii are mainly from tissue culture plants. In conclusion, the above study results provide a reference for the application of three kinds of molecular markers to molecular marker-assisted breeding of flower. 2. The genetic diversity among the eight introduced cut-flower varieties of Ranunculus asiatica was analyzed by the ISSR markers. Based on the genetic clustering tree, all the colorful flower varieties are clustered into one group, and the white flower varieties into another group. Moreover, among the former group the yellow flower varieties are clustered into one sub-group, and the reddish flower varieties, such as rose color, pink, nacarat, are clusetered into another sub-group.

由三种分子标记的分析结果可以看出,等位基因平均值、观察杂合度、Fis值、Fit值皆较高,表明非洲菊等位基因较丰富,杂合基因偏多,且绝大部份品种的实际等位基因频率在品种内偏离了Hardy-Weinberg equilibrium;PP8、na、Ⅰ、h、Gi及Fst皆表明,ISSR检测遗传多样性的能力最强,其次是RAPD,等位酶最低;根据遗传距离进行聚类,三种方法都把70个品种分成A、B、C、D、E五个大组,每一组中除少数品种发生位移外,大部份品种分类结果相似,且与形态分析结果有相似性,但在每一组中,品种间的聚类差别较大,表明这三种方法在近距离品种间检测遗传变异时灵敏度及分辨力不同;Mantel检测表明,三种标记的分析结果有显著相关性,表明所用的三种分子方法的标记数量已经可以相对无偏地检测到70个品种间遗传变异;非洲菊为组培苗,三种标记的检测结果皆表明,混合样品可以作为个体样品的代表,对整个居群的遗传多样性进行评价;这些研究结果可为三种分子标记方法在花卉分子辅助育种中的进一步应用提供借鉴。

The results showed that the dominant tree species Picea jezoensis and Abies nephrolepis were distributed nearly over the whole transect,and the companion trees and most of shrubs were found in certain fragments respectively.The total number of species of the plot varied slightly,but species composition among the plots varied greatly along with the elevation variation.This trend reflected the high habitat diversity of this forest zone.

研究结果表明主要树种云杉和冷杉在整个暗针叶林带均有分布,而伴生树种和多数灌木出现于一定海拔范围内;沿海拔梯度物种数变化小而物种组成变化大则表明长白山暗针叶林丰富的生境多样性。

The signals look like noncontinuous beads on the DNA fiber,which consist of multi-copy and arrange tandemly.Fiber-FISH results with 45S rDNA probe showed that an average signal length is about 3~11μm in many tandem copy sequence(measure number,n=8),so we estimated the size of each copy to be approximately 11~30kb in cotton genome.There are dual signals on each end of the mitosis metaphase chromosomes and pachytene chromosomes hybridized with telomere DNA probe.The signals also look like non-continuous beads on the DNA fiber,the length is about 1~9μm,so we estimated the size is about 4~27kb.The signals almost covered the whole mitosis metaphase chromosomes and pachytene chromosomes of G.arboretum Shixiya 1 hybridized with gDNA probe,the euchromatin zone and heterochromatin zone were identified clearly on pachytene chromosomes,and the signals also look like non-continuous beads.Two BAC clones 150-D-24 and 182-F-9 in DNA BAC library of Pima90 were selected as probe to hybridize with mitosis metaphase chromosomes,pachytene chromosomes and DNA fiber of G.raimondii.

棉花FISH技术系统的应用研究。45S rDNA在亚洲棉石系亚1号中期和粗线期染色体上有两对大的信号,在DNA纤维上信号为非连续的念珠状,多个拷贝串联排列,每个拷贝长度大约在3~11μm,推测每个拷贝的实际长度为11~30kb;端粒序列在亚洲棉石系亚1号中期和粗线期染色体端部都有双点信号,在DNA纤维上信号也为非连续的念珠状,不同染色体上信号长度大约在1~9μm不等,推测实际长度为4~27kb;gDNA信号几乎布满整个亚洲棉石系亚1号中期和粗线期染色体,在粗线期染色体上能明显区分出常染色质区和异染色质区,DNA纤维上的信号均为非连续的念珠状。

And why the financial tsunami furniture enterprises of Guangdong such a tremendous impact, root causes, the foundry dependent overseas brand is the drawbacks of the largest such enterprises in this kind of "superiority" against the background of the market, except as federal, red apples, dynasty and a small number of first-class enterprises to maintain a clear development strategy, the overwhelming majority of the owners of a strong sense of satisfaction, enterprise weak, and many companies willing to do for others is only "awake" so that process Zhejiang School of Gary Coull, who ho Lee so that the whole camp Kawasaki friend who Shuanghu, or impressive, or quietly deep secret agents, outflanking the Guangdong faction of the majority of the non-market-oriented camp, resulting in Guangdong Furniture today the so-called "overseas markets are also fast and slow overseas markets also "dual-Ren situation.

而为何金融海啸对广东家具企业造成如此巨大的冲击,究其缘由,依附海外品牌的代工是此类企业最大的弊端,在这种&优越&的市场背景下,除了像联邦、红苹果、皇朝等少数一流企业保持着清醒的发展战略外,绝大多数老板们满足感强了,进取心弱了,不少企业甘于只为他人做&嫁衣裳&,让浙派的顾家工艺、利豪们,让川派的全友、双虎们等,或有声有色地、或悄悄地深耕细作,包抄了粤派所不注重的广大市场阵营,造成了今天粤派家具的所谓&快也海外市场,慢也海外市场&的双仞局面。

Micronuclei in the bone marrow polychromatophilic erythrocytes in each dose group of mice were examined,leucocytes number and 30 day survival rate of mice following whole-body 5.0?Gy γ irradiation were also determined.

通过照射前后给予受试物,检测各剂量组受照小鼠的白细胞数、骨髓嗜多染红细胞微核数,观察照射后30d的平均存活天数。

Guangzhou Municipal Government has decided to entrust the surrounding suburban area and farms to the GDD in order to quicken the implementation of the "Eastward Development" strategy of the municipality, exert the radialization of GDD and plan the progress of the countryside and the city as a whole, and thus, the actual administrative area and the entrusted area add up to 176.07 square kilometers with the registered population of 163.9 thousand. The number of registered enterprises is 1762, among which 500 enterprises are productive. At present 238 enterprises are preparing to construct.

为加快实施广州城市发展&东进&战略,发挥开发区的辐射带动作用,统筹城乡发展,广州市政府决定将开发区周边的部分农村和国营农场委托开发区管理,这样,广州开发区的实际行政管辖和委托管辖面积扩大到176.07平方公里,常住人口16.39万人,全区注册企业1762家,其中生产性企业超过500家(规模以上378家),现有筹建企业238家。

The proportion of the number of double-labeled neurons with NOS/TMR was 55%(17/31)and 34%(17/49) in the whole population of the NOS positive neurons and retrogradely neurons,respectively.

计数显不:NOS/TMR双标记细胞分别占NOS阳性细胞总数的55%(17/31)和TMR逆行标记细胞总数的34%(17/49)。

Confocal laser-scanning microscropy funther revealed that substantial number of 5-HT-immunopositive fibers and terminals distributed widely in the whole VNC, and some of 5-HT-immunopositive terminals were closely surroud the somata or dendrite of TMT/5-HT1AR double-labeling neurons and make close contact with them.

2激光扫描共聚焦显微镜下可进一步观察到大量的5-HT样阳性纤维和终末广泛地分布于VNC的各个核团内,且有部分5-HT样阳性终末紧紧地包绕在TMR/5-HT1AR双标神经元的胞体或树突的周围,并与之形成密切接触。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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