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Based on coupled nonlinear Schr?dingar equation, the numerical solutions of pulse propagation in fibers were obtained with Split-step Fourier Method.

本文以耦合非线性薛定谔方程为理论模型，采用分步傅立叶方法进行数值计算，仿真研究了满足特定要求的多程放大系统前端脉冲经光纤传输后引起失真的原因。

Interestingly, a diluted dodecane gel of compound 2bdeposited by spin-coating on freshly cleaved HOPG leads toself-assembly of molecular fibers that follow mainly thepreferential crystallographic directions of the underlyingHOPG substrate (Figure 5c).

有趣的是，稀释┼二烷凝胶复合乙交存旋压新鲜剥离涂层导致高定向自我遵循纤维主要是分子组装底层优惠结晶方向高定向裂解石墨基板（图5c）。

A nucleus in the dorsal medial region of the hypothalamus just above the dorsomedial nucleus; bilateral lesions to this nucleus or to the fibers that project to it through the ventromedial hypothalamus produce overeating and obesity.

一位在下视丘背内侧区域的细胞核，恰好在背内侧核的上方；这个细胞核或纤维的双边损伤可藉由下视丘腹内侧所引发的过度进食以及肥胖而投射出来。

In the diencephalons,orexin B immunoreactive fibers densely projected to the habenular nucleus,dorsomedial hypothalamic nucleus,periventricular nucleus,supraoptic and suprachiasmatic nuclei.

在脑干，前丘、后丘、脚间核、中缝背核和中央灰质等有密集的阳性纤维分布。

The cation dyeable polyester fiber,which was developed by Do punt corporation in 1958 and commercialized in 1962 known as Dacron,is a main representative of new polyester fibers because of excellent dyeability and low cost.

阳离子可染聚酯纤维首先由美国杜邦公司于1958年研制成功，并于1962年实现商品化，商品名为达克纶，由于其优异的染色性能和低廉的染色成本，使它成为聚酯纤维新品种的主要代表。

The fabric,made of three to one blended yarn of two kinds of chemical fibers of common temperature and common pressure cationic dyeable polyester and mid-optical rayon with mid-wool,is characteristic of many good qualities as wool like,unique colour,light weight,anti crease and good rinsibility,thus suitably to be used to make top grade shirts.

利用常温常压可染阳离子涤纶、中长有光粘胶两种改性化纤和中长羊毛混纺开发生产涤粘毛三合一产品，制成的织物仿毛感强，色彩独特，面料轻薄，抗皱易洗，适合做高档衬衣。

A series of poly/PET-copolyester polymer blends and fibers from these blends are preparated . The polymer blends are : PET/CDP(CDP: cation dye dyeable polyester or high pressure type cation dye dyeable polyester); PET/ECDP(easy cation dye dyeable polyester or normal pressure type cation dye dyeable polyester); PET/ECDP/polyethyleneglycoland PET/CGP. The transition temperature, crystalline structure, rheological behavior and thermal stability were studied .

本文制备了聚对苯二甲酸乙二醇酯／高压型阳离子染料可染聚酯；PET／常压型阳离子染料易染聚酯；PET／ECDP／聚乙二醇和PET／CGP一系列PET／PET-共聚酯共混物及纤维，对其转变温度、结晶性能、流变性能及热稳定性进行了研究。

Elastic fibers were well-distributed,and vascular endothelial cell did not immigrate.We suggested that expression of ectogenic VEGF triggered paracrine and autocrine of VEGF of chondrocyte and co-acted with VEGF receptor 2 to enhance permeability of chondrocyte and improve internal construct of engineering cartilage,and prevent vascularize proceed.

转VEGF基因软骨细胞作为组织工程的种子细胞与pluronic F-127复合后可于裸鼠体内形成转基因组织工程软骨，与对照组相比，转VEGF基因组织工程软骨具良好的生物学特性，结构均一且与正常软骨组织相似，软骨ECM的GAG、COLⅡ、COLⅩ增多，RunX2、Sox9表达增高，细胞处于增生期的肥大状态，初步分析其原因可能是转染后外源性的VEGF持续表达触发了软骨细胞VEGF自分泌，并通过VEGFR-2作用于软骨细胞，提高了软骨细胞活性，促进其存活与增殖，但未在软骨组织内引起血管内皮细胞的迁移及小血管形成。

The structure of axon was completed, and the arrangement of regenerated nerve fibers with rotund or elliptoid shapes was closed.

电镜超微结构观察可见再生的神经纤维较粗大，排列紧密，呈均匀一致圆型或椭圆型，髓鞘较厚，轴突结构完整。

Objective: To evaluate the changes of morphology of nerve fibers and endoneurial capillaries, the effect of sodium fulvate in STZ-DM rats.

目的： 观察糖尿病大鼠神经和神经内膜毛细血管形态变化及黄腐酸钠早期干预效果。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。