A kind of micro-porous permeable material is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder. 根据已有透水材料的共同特点,以细砂密集堆积体为基质,环氧树脂为胶结料,制备出一种微孔透水性材料。
Introducing the recursion to the computation of the dense linear algebra brings about the automation of the matrix blocking, and makes the algorithm well fit the structure of today's memory tiered high-performance computers so as to speed up computation. 将递归方法引入稠密线性代数的计算,能产生自动的矩阵分块,使算法适合于当今分级存储高性能计算机的结构,提高运算速度。
Electron dense Ca 2+ antimonate deposits were mostly localized in cytoplasm, intercellular space and matrix of protein bodies of cotyledon cells of dry seeds ( Plate I 1,2). 干种子的子叶细胞中贮藏有大量的蛋白体、油脂体,Ca2+沉淀颗粒大量分布于胞质、胞间隙以及细胞质膜上。
The high-temperature mechanical properties of MAC products are better than those of magnesia-carbon products when Al 2O 3 content is in a certain range mainly because dense intercrystalline spinel formed in the matrix of MAC products improves the direct-bonding degree between the high-melting point crystalline in the matrix. 在一定的Al2O3含量范围内,MAC制品的高温力学性能优于镁碳砖,主要原因是其基质中生成的致密晶间尖晶石提高了基质中高熔点晶体间的直接结合程度。
A dense matrix arising from MoM can be stored in sparsity after compressed. 一个由矩量法生成的稠密矩阵经过压缩后,可以稀疏存储。
Expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of ACIC; 补偿混凝土收缩,提高混凝土密实度,加强纤维与水泥石的界面粘结,增强混凝土力学性能,但不能明显改善混凝土韧性。
4, The refractories have dense matrix and a little amount of pores. 材料基质部分结构致密,气孔少且多呈封闭的圆孔状。
Secondly, a Grid service called Distance Grid service was developed to express the aggregation of the protein dense pattern in biological data mining field, and to solve the distance of affiliated matrix. 论文接着介绍了网格环境下的编程,并以解决生物数据挖掘领域蛋白质稠密模式的聚类为实例,开发了一个求解关联矩阵距离的网格服务。
The mitochondrial were swollen, exhibited decreased matrix density, and developed flocculent dense bodies in the matrix space. 线粒体表现为肿胀、基质密度降低、基质内出现絮状致密体。
Results showed that Jinan 17 exhibited a dense layer of protein matrix, which enveloped and masked starch grains. 结果表明,济南17号胚乳含有丰富的基质蛋白质,淀粉粒被包埋在基质蛋白质中间,胚乳结构致密;
It was found that a dense polymeric interface layer would be formed on the surface of solid fillers due to the interaction between paniculate filler surface and epoxy matrix. 结果发现由于颗粒填料表面和环氧基体的相互作用,从填料表面开始形成了一层致密的聚合物界面层。
There are dense pyknotic nucleus, clumping of nuclear chromatin, swelling mitochondria, light matrix, shortened cristae, severe vacuolization of the mitochondria and rupture of cell membrane. 细胞核固缩,异染色质块状聚集浓染,线粒体变大变圆,基质变淡,线粒体嵴变短变少甚至消失,在极度肿胀时,线粒体转化为小空泡状结构,并有细胞膜破损现象。
Systolic Algorithms for Dense Matrix Inversion and Solving Linear Systems Without Back Substitution 稠密方阵求逆及线性方程组求解的无回代心动算法
Obtained nanocomposite electrodeposition coatings rate is one times than electroless plating, look at micromorphology that the surface of nano-composite coating grow well, dense, uniform thickness, through the bending test and thermal shock test proved nano-magnesium alloy matrix composite coating have a good combination. 得到的电沉积纳米复合镀层的镀速比化学镀的镀速提高一倍,并且纳米复合镀层表面平整、致密、厚度均匀,通过弯曲、热震试验证明镁合金纳米复合镀层与基体结合良好。
It indicates that super martensitic stainless steel can form a dense layer corrosion passive film with a certain time, and the film adsorbed on the matrix, so the corrosion resistance of stainless steel is improved. 说明超级马氏体不锈钢在腐蚀液中一定时间内形成一层稳定的腐蚀产物膜,且牢固的吸附在基体上,所以其耐腐蚀性能有所提高。
Therefore, provided the dense coefficient matrix possesses a high degree of wavelet compressibility, the compact compression algorithm will remain efficient even if the coefficient matrix becomes too large to be accommodated in the memory. 这样,即使当系数矩阵的规模超出内存以及虚拟内存若干倍时,紧压缩算法仍然可以高效地运转,只要稠密系数矩阵具有足够的小波可压缩性。