微核

By using the OP-10/JFC/ amyl alcohol non-ionic compound emulsifier as stabilizer, about 12% organosilicon was appended after the pre-polymerzation of MA, n-BMA, and MAA acrylate monomer was performed and the temperature was decreased to 62℃, and then the pH value was controlled in 7~8 after the polymerization.

结果表明，以OP-10聚醚渗透剂JFC/戊醇非离子复合乳化剂为稳定剂，在MA、n-BMA、MAA丙烯酸酯单体形成预聚体后降温至62℃，加入12%左右的有机硅单体，反应结束后控制pH值7~8，微乳液具有良好的稳定性，乳胶粒具有翻转型的核－壳结构。

Algae, echinoderm, bivalve, and reef-building organisms including bryozoan, coral, stromatoporoids, and sponge are conserved in the carbonate of the Yijianfang Formation.

通过对塔河南盐下地区28口钻井岩心中奥陶统一间房组的详细描述和3 200余块薄片的鉴定，确认其主要的岩石类型有生屑灰岩、生物灰岩、藻球粒灰岩、含核形石灰岩、鲕粒灰岩、内碎屑灰岩、微晶灰岩、海绿石灰岩。

In addition, we studied the distribution of mitochondria in metaphase Ⅱ rabbit oocytes, zygotes and early embryos by two active mitochondria dyes and revealed the change of active mitochondria during early development of rabbit embryos. We also found that the distribution of microfilaments and microtubules have similar patterns to that of active mitochondria, which is an important basis for further development of animal cloning study using the recipient oocytes derived from rabbit.

此外，我们应用两种线粒体荧光染料研究了日本大耳白兔体内成熟卵母细胞、正常交配后收集的受精卵及早期体外发育胚胎的活性线粒体的位置变化，首次揭示了兔早期胚胎中活性线粒体的变化特征及其与微丝微管变化的相关性，为进一步开展以兔卵母细胞作为核移植受体的动物克隆研究打下了重要的基础。

One dimensional shockwave code SSS was adapted to simulate the number density andporosity of incipient spalled OFHC Cu and pure Cu sample at the range of 10~4-10~5s~(-1). TheNAG model coefficients were acquired, the nucleation coefficient was sensitive with thepurity of sample.

采用一维冲击波程序SSS结合SRI-DFRACT模型模拟10~4-10~5s~(-1)加载应变率范围内无氧铜和工业纯铜中微孔洞数密度和孔隙度分布，由微孔洞分布相关参数与应变率的关系，确定了～10~5s~(-1)应变率下NAG模型参数，发现成核速率与材料纯度有关。

The morphology and structure of reconstructed tissue was detected by microscope and scanning electron microscope.Results:(1) Compared with the control group, the cellular proportion of laminin group increased in 62 ~M phase, and decreased in Go~Gi phase significantly. As shown by the microscope, the cells of control group were in low density. The cells in mass connected tightly. The microfilament appeared reticular formation. The nucleus were the same in size. The cells of laminin group were in high density and put out so many lamellipodia, filopodia, which connected with the surrounding cells. The microfilament increased, elongated, and changed from reticulodromous to sarciniform, which reached to the pseudopods. The nucleus were different in size .(2) As shown by the inverted microscope and the cell growth curve, comparing with the controlgroup, cells of each test group increased evidently. The cellular proportion of each test group increased in S phase and G2 ~M phase, and decreased in Go~Gi phase significantly, but there was no considerable interations between LN and EGF;(3) As shown by the morphological observations, the cultured cat corneal endothelial cells formed an integrated membrane, and attached to the Descemets membrane closely, which was similar to the natural tissue. The cells connected tightly to each other, and some of them arranged in hexagon approximately.

结果：(1)层粘连蛋白组处于G_2～M期细胞比例较对照组显著提高，Go～G_1期细胞比例显著下降，提示层粘连蛋白促进内皮细胞DNA合成，及细胞分裂增殖；光镜下，对照组细胞分布成团状，细胞密度较低，细胞间连接紧密，细胞内微丝结成网状，细胞核大小一致；与对照组相比，层粘连蛋白组细胞生长旺盛，细胞密度高，向周边伸出大量板状及丝状伪足，细胞内微丝增多、拉长、集结成束，伸入伪足中，细胞核形状大小不一致；(2)倒置显微镜观察及细胞生长曲线显示，各组细胞数目随时间增加而明显增多，各实验组较对照组增生显著，EGF和LN联合应用组各时间点细胞数目最高；实验组处于S期和G_2～M期细胞数目增加，Go～G_1期细胞数目减少；提示EGF、LN单独及联合应用均可促进细胞增殖，但尚不能认为二者有交互作用；(3)倒置显微镜下，组织培养的猫角膜内皮细胞排列成密集的单层，细胞间连接紧密；组织学观察发现，培养的猫角膜内皮细胞形成完整的内皮层，贴附于脱水基质的后弹力膜上，与正常的角膜内皮组织结构相似；扫描电镜下，组织培养的猫角膜内皮细胞间紧密镶嵌排列，可见某些细胞呈近似六边形排列，细胞大小不甚一致，胞核清晰。

The excluded volume effect of nucleons is studied by calculating the first order self-energy of the nucleon in nuclear matter with perturbation theory as the volume of nucleons is considered, then its influence on the equation of state of nuclear matter is discussed.

在相对论平均场框架内计算了核子体积对核物质中核子自能的一级微扰修正，并进一步讨论了这种修正对核物质状态方程的影响。

In this dissertation, based on glass microspheres and submicron silicon dioxide, the silver-coated core-shell shielding particles were prepared by liquid phase chemical deposition and layer by layer packing technology. The influences of the preparation conditions on the structure of the synthesized core-shell particles were also systemically studied. The conclusions are enumerated as follow:(1) Monodispersed submicron silicon dioxide spheres in the size range of 250～550 nm are synthesized by Sol-Gel method using ammonia as catalyst.

本文在前人研究的基础上设计出以微米级玻璃微珠为基核，采用液相化学沉积法和层层包裹法制备表面包银的核壳粒子电磁屏蔽剂，并对液相化学沉积法和层层包裹法的制备工艺进行了系统研究，取得了以下主要结论：(1)以氨水作催化剂，采用溶胶－凝胶法制备了粒径分布在250～550 nm之间的二氧化硅微球。

Scattered into ethanol, ethyl silicon is medium tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of the negatively charged with PS silica microspheres due to charge effect between by adsorption to PS microspheres surface, core-shell structure.

将其分散到乙醇/水介质中，正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅与PS微球之间由于电荷作用而被吸附到PS微球表面，形成核-壳结构。

The organization of the ribosomal RNA genes of N.antheraeae is LSU-ITS1-SSU-ITS2-5S,a pattern similar to those of N.bombycis.

柞蚕微孢子虫的核糖体基因排列顺序为LSU—ITS—SSU—ITS—5S，和家蚕微孢子虫的排列顺序相同，是一种即不同于真核生物，也不同于原核生物的排列顺序。

However, when two maturing oocytes fused and two spindle will form in the big cell, the chromosomes will not intermingle. In the present study, we removed GV from one oocyte and transfer to the perivetelline space of another GV oocyte. After fusion the resulting oocytes which contained two GVs were cultured further in MEM.

在本实验中，我们利用小鼠GV期卵母细胞将一枚卵母细胞的生发泡取出后移至另一未经去核处理的GV期卵母细胞透明带下，经三次电脉冲作用后将融合的含有两个GV的卵母细胞放入MEM成熟培养液中培养，在培养成熟的不同阶段分别收集卵母细胞进行免疫荧光染色观察微管及核的变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐