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The effects of α-Al2O3 micro-powder and nano-powder additions on matrix rheologic behavior were studied. The optimum matrix granulometric composition was obtained based on the investigation of matrix rheologic behavior and the properties of α-Al2O3 nano-powder composite high purity corundum brick.

研究了α-Al2O3纳米复合高纯刚玉砖基质中的微粉、α-Al2O3纳米粉的加入量对基质流变性的影响，结合试样的烧后性能确定其基质的最佳颗粒组成。

In random information systems,based on the indiscernibility relation,the concept of in discernibility attribute matrix is proposed and the relationship between discernibility attribute matrix and in discernibility attribute matrix is shown.

在随机信息系统中，根据不可辨识关系，提出了不可辨识属性矩阵的概念，证明了不可辨识属性矩阵与可辨识属性矩阵的关系，最后提出了一种基于不可辨识属性矩阵约简算法。

We study the express of heparinase,matrix metalloproteinase MMP-2,MMP-14 and cadherin in the gastric cancer tissue and perigastric normal mucosal tissue,and make a statistics analysis between heparinase, matrix metalloproteinase MMP-2,MMP-14,E-cadherin and gastric cancer biological behavior.We hope to knom the possibility that heparinase,matrix metalloproteinase MMP-2,MMP-14,E-cadherin are regared as clinical screen index of the gastric cancer recrudescence or metastasis.

本文就肝素酶、基质金属蛋白酶MMP-2、MMP-14、钙粘蛋白在胃癌组织及胃周正常粘膜的表达进行了研究，并就肝素酶、基质金属蛋白酶MMP-2、MMP-14、钙粘蛋白与胃癌的生物学行为进行了统计学分析，以期了解肝素酶、基质金属蛋白酶MMP-2、MMP-14、钙粘蛋白作为胃癌复发或转移的临床筛选指标的可能性。

Before the primary data matrices are multiplied, each is treated for noise by multiplication by a perturber where E= is the original primary matrix, is the perturbed matrix, and is the perturber matrix.

以前的原始数据矩阵都是成倍增长，每次治疗是噪音的乘法的一个perturber其中E=是原来小矩阵是摄矩阵，且是perturber矩阵。

Objective: Experimental study on the possibility of HA/TCP matrix scaffold's as cell carrier in tissue engineering; Observe the manifestation of human bone marrow stromal cells and umbilical vein endothelial cells during culture on the surface of HA/TCP matrix scaff, and provide direct evidence for the resurfacing of matrix scaffold.

目的：①研究骨髓基质细胞、脐静脉内皮细胞在复合材料的表面生长情况，为表面改性提供直接依据；②复合成骨材料对细胞的影响。

Singular linear systems; Iterative methods;AOR method; JOR method; Rank deficient least squares problems;Semiconvergence; Optimum parameters; P-cyclic matrix; Consistently ordered matrix; Preconditioning; Matrix pencil; Eigenvalue bounds; Support number

奇异线性方程组；迭代法；AOR 方法；JOR方法；亏秩最小二乘问题；半收敛性；最优参数；P-循环矩阵；相容次序矩阵；预处理；矩阵对；特征界；支撑数

Moreover, the matrix effect was investigated. The results showed that samples could be completely decomposed by melting in lithium tetraborate and lithium carbonate mixed flux at about 1000℃. The introduction of lots of lithium and matrix magnesium in solution affected the determination, which could be corrected by matrix matching. Calcium, iron and aluminium with high content had no spectral interference with other elements with low content.

结果表明，样品用四硼酸锂和碳酸锂混合熔剂在1000℃左右的温度下熔融，可以完全分解试样；引进试液中大量锂和基体铁时测定有影响，用基体匹配的方法克服，含量较高的钙、铁和铝对含量低的其他元素没有光谱干扰。

Based on the electric models for shaly sands and tuffaceous sands, this text derived modelsof saturation bored with water for the tuffaceous sands: Tuffaceous sand S-B Model andEffective Medium HB Model;The first supposed that the parts of shaly sands and thetuffaceous part were electric parallelly, and the other considered the electric rock matrix as sandmatrix, tuffaceous matrix and shaly matrix were parallel, and ignored the difference betweenwater bounded with shaly sand and water in the formation.

基于泥质砂岩的导电模型并结合凝灰质砂岩骨架导电的特点，建立凝灰质砂岩含水饱和度导电模型：凝灰质砂岩 S-B 模型和有效介质 HB 电阻率模型；前者假设凝灰质部分与泥质砂岩部分并联导电，而后者将凝灰质砂岩骨架导电看成砂岩骨架颗粒、凝灰质颗粒和泥质颗粒的并联导电，并忽略粘土结合水与地层水导电性的差异。

Moreover, using the in vilro DNA-matrix binding assay results showed that HS2, HS3 and HS4 core DNA sequences were unable to bind to the nuclear matrix isolated from uninduced HEL cells; in addition, HS2 core DNA sequence was capable of binding to the nuclear matrix prepared from Hu-induced HEL cells, while both HS3 and HS4 can not bind to it.

同时，运用核基质与DNA体外结合实验表明，这些核心DNA序列均不能与非诱导的HEL细胞内的核基质结合。

The framework of GAP consists of four components:(1) presentation of raw data matrix and selection of proximity matrices,(2) seriation of proximity matrices and raw matrix,(3) partitions of permuted matrix maps, and (4) sufficient statistical graph.

其步骤包含四个部分：(1)原始资料之呈现与关系矩阵之选择，(2)关系矩阵与资料矩阵之排序，(3)对变数与个体进行分群，(4)充分统计图。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。