晶形

We investigated Gaussian model on some fractal lattices firstly with anexactly Real-Space Renormalization Group method.

由于分形结构不具备欧几里得空间晶格所具有的空间平移不变性，通常采用的基于傅立叶变换的动量空间重正化群方法已经不再适用。

The products can be divided into refractory materials for steel plants,for building enterprises,for china industry,for electricity,for chemical works and for some other industries according to their usages.Our products contain High alumina based,corundum brick based,clay based series;products with low wriggling series;alumina-magnesia series;magnesite-chrome series;Alkali-resistance bricks;Acid-resistance bricks;semi-sillimanite bricks;mullite;sillimanite;andulusite;lyanite series;sillimanite quality refractory products and unshaped refractory materials.

公司产品按用途分为：钢铁企业用耐火材料，有色金属行业用耐火材料，建材、陶瓷行业用耐火材料，电力、化工行业用耐火材料，其它行业用耐火材料；按产品种类分为：高铝、刚玉质系列产品，粘土质系列产品，低蠕变系列产品，铝镁质系列产品，镁铬系列产品，耐酸、耐碱、半硅砖系列产品，莫来石、硅线石、红柱石、蓝晶石系列产品，硅质耐火材料系列产品，不定形耐火材料系列。

It has been found that there are some texture flaws such as large grain、badly distorted twin and streaky structure. But recrystallization grains ofaround 19μm in diameter on average are obtainable through heat treatment at300℃for 30min by air-cooling, meanwhile the twin and streaky structurethat would weaken the plasticity of alloy are eliminated; significant elementsare holding temperature、holding time、cool-down methods. Mechanicalproperties of tube are obtained, simple tension elongation ratio of arc testsample increases from 10.8% to 20.1%, elongation ratio with elastic internaldie of tube increases from 8.0% to 14.9%.

研究结果表明：挤压成型的AZ31镁合金管材组织中存在变形程度很大的孪晶、大尺寸晶粒、丧失了进一步变形能力的条带状组织等易导致后续塑性加工时变形不均，引起断裂的组织缺陷；采用最佳等温热处理工艺以20℃／min加热至300℃保温30min后空冷处理可以使试样平均晶粒直径从挤压态的50μm细化为19μm，同时基本消除上述组织缺陷；明显影响热处理效果的因素为保温温度、保温时间、冷却方式；室温下，采用最佳工艺热处理前后管材弧形试样的单向拉伸伸长率由10.8％提高至20.1％，管件的自由胀形极限伸长率由8.0％提高至14.9％。

The inclusions are changed from chain shape with acute angle to spherical shape. Those are complex inclusions with the Zr containing inclusions are the nuclei for the inclusions, Al2O3 and / or MnS are located in the surface layer of the inclusions whose size is in the range of 1.0 to 3.0μm.

经过锆处理后，粗晶热影响区中的夹杂物由长条的尖角状变为圆形或近圆形，且都是含锆的复合夹杂物，含锆夹杂物作为形核核心，在其表层沉淀析出Al2O3和／或MnS，其尺寸在1.0~3.0μm之间。

The results show that the crosslinking reactions occurred between finishing agent and big-molecule chains of the uncrystallized region of fibers, which improves heat stability of fibers with little change in the structure of crystallized area of fibers.

测试整理后的织物结构和性能表明，整理剂在纤维无定形区大分子链之间发生了交联反应，提高了纤维的热稳定性，纤维的晶区结构基本没有改变。

If we increase the energy of incident atoms reasonably, which will enlarge adatom yields, vacancy yields and their distribution area, layer by layer growth model will be advanced .B. Influence of substitutional impurities on the stability of noble metals'(111) surface.

在一定范围内适当地提高沉积原子的能量，将有助于扩大表面吸附原子及空位缺陷的产额及分布区域，有利于提高形核密度，降低晶核尺寸，促进薄膜的层状生长。

The plane strain compressive deformation experiments with various deformation amounts have been carried out on the grain boundary allotriomorphic ferrite/granular bainite F GBA/G Bduplex steel at temperatures above A r3 using Gleeble--1500 machine.

通过Gleeble--1500热力模拟实验机对仿晶界型铁素体/粒状贝氏体复相钢进行了A r3以上不同温度、不同形变量的平面应变压缩实验。

The technologies such as the clustering diamond cutting tool in the fine machine and the reasonable cutting tool angle parameters, designing appropriable clamp that increases the oriented accuracy and reduces the strain of the work piece, the natural aging that releases the stress of the coarse machine and increases the accuracy of the part shape tolerance,...

提出在精细加工中采用聚晶金刚石刀具，选择合理的刀具几何参数；设计专用夹具提高定位精度；通过自然时效释放粗加工应力，提高零件形位公差精度；采用以磨代钻、代铣等工艺措施，提高材料的机加工精度，并解决了玻璃纤维分层和撕裂等问题。

The compatibility of PTET-60/cellose acetate blends and the pervaporation of their membranes forseparation of EA/water mixtures were investigated.

广角X射线衍射分析发现当丙二醇含量为60wt％时，即PTET-60为非晶态的无定形共聚物。

In order to increase proportion of equiaxed grain of billet and homogeneity of solidification structure,a great many liquid metal nucleation stirred by vibration experiments were carried out with zinc.

为提高铸坯的等轴晶率和凝固组织的均匀性，以金属锌为研究对象进行了大量的振动激发金属液形核实验。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。