材料

After lentectomy through the pupillary hole, the epithelial cells at dorsal iris in Anuran tadpole of Bufo raddei Strauch can undergo transdifferentiation to regenerate a new lens. The morphological changes of lens formation from different regeneration stages were observed with both microcope and transmission electron microscope.

以无尾两栖类花背蟾蜍后肢芽期蝌蚪为实验材料，摘除其左眼晶状体，在再生不同时期固定，石蜡连续切片，苏木精-伊红对染，光镜观察，研究晶状体再生的组织来源；另外，选再生不同时期材料用戊二醛，锇酸固定，透射电镜观察，以研究晶状体再生组织的超微结构变化。

The left lens of Anuran Tadpole - Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole were removed when they had posterior limb bud. By decapitating and fixing it with Carnoy's fixation fluid in different days, by means of paraffin serial section and Hematoxylin-Eosin stain and by using the microscope to observe the microstructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole. By extirpating the left eye and fixing it with aldehyde and osmium acid , by using electron microscope to observe the ultrastructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole.

以无尾两栖类—以花背蟾蜍与非洲爪蟾后肢芽期蝌蚪为实验材料，摘除其左眼晶状体，在再生不同时期固定，石蜡连续切片，苏木精-伊红对染，光镜观察，研究晶状体再生的组织来源；另外，选再生不同时期材料用戊二醛，锇酸固定，透射电镜观察，以研究晶状体再生组织的超微结构变化。

The formation of apatite layer on the surface of materials is critical to the stability of chemical bonding between biomaterials and bone.

钙磷陶瓷作为硬组织替换材料，其表面磷灰石层的形成，对材料-骨之间形成稳定的化学性结合起着重要的作用。

Probed the producing technology of this material. And studied the effective factors of several kinds of addition agent to its properties. Analyzed the hole ratio and the aperture distribution by mercury pressure hole measuring instruments.

对石膏保温材料的成型工艺进行了较深入的探讨，并系统研究了各种外加剂对其性能的影响，利用汞压力测孔仪分析了石膏保温材料内部的孔隙率和孔径分布。

CaF2 optical crystal in which other materials are unable to replace manufacturing Apochromatic lens of the main materials.

其中CaF2光学晶体是其他材料无法取代的制造复消色差镜头的主体材料。

Apochromatic refractors''' have objectives built with special, extra low-dispersion materials.

高度消色差折射镜'''使用特别的材料，特别低色散度的材料，来制造物镜。

Where the applier provides incomplete application materials, the content of application is not clear or there are other circumstances that fail to conform to the prescribed provisions, the local competent commercial authorities shall require the applier to make corrections or make up for the application materials.

申请人提供的申请材料不完备、申请内容不清或有其他申请不符合规定的情形，地方商务主管部门可要求申请人对申请材料进行修改或补充。

Pulsed release pellets of DS were prepared by using low-substituted hydroxyprolcelluloseas inner swelling layer and aqueous ethycellulose dispersion-Surelease as outer controlled membrane on a mini-fluidized bed spray coater.

采用微型流化床包衣设备，以低取代羟丙基纤维素为内层溶胀层材料、乙基纤维素水分散体为外层控释层材料制备了双层衣膜的包衣微丸，并对包衣工艺和影响药物释放的因素进行了考察。

The feasibility of using silk fibroin as materials for making microencapsule was investigated by preparing SF/Alginate, SF/Chitin and SF/Arabin blend films, determing their mechanical properties and testing their structure by means of X-ray diffraction and IR spectra.

本论文通过制备丝素蛋白与天然高分子材料——海藻酸钠、甲壳胺、阿拉伯树胶共混膜，测定其力学性能，同时利用X-射线衍射和红外光谱测定其结构，探讨了丝素作为微胶囊包囊材料的可行性。

In the majority of roofs, timber is the principal material used, together with numerous others, such as tiles, slates, asbestos cement, tar felt, asphalt, lead, copper , zinc, aluminium, etc.

而大多数屋面的主要建筑材料为木材，与之相配的其它材料有粘土瓦、岩板、石棉瓦、油毡、铅、铜、锌、铝等。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。