束

By setting two ROI, the main spinal cord fiber tracts, such as corticospinal or spinothalamic tract, were visualized.

结果 在DTT彩色编码图上，正常脊髓纤维束为头尾向的一束，显示了头尾侧的各向异性。

The vision of motor area and the relationship between corticospinal tract and tumor could provide the important functional anatomy basis to formulate pre-operative program,resect the tumor and protect the motor area and corticospinal tract as much as possible.

以BOLD-fMRI运动功能区显示和皮质脊髓束与肿瘤的关系为术前手术方案的制定并最大限度切除肿瘤、最大程度保护运动功能区及重要白质纤维束提供重要的功能解剖学依据。

BDA anterograde tracing method can distinctly reveal the corticospinal tract of rats and possesses good applicative value of application for the morphological study of CST injury and repair.

BDA顺行示踪技术可以清楚地显示皮质脊髓束，对皮质脊髓束损伤与修复的形态学研究具有较好的应用价值。

Manganese-enhanced magnetic resonance imaging and DiI tracing will display corticospinal tract without distinction. It is valuable to trace nervous pathways by combination of two methods.

Mn(上标 2+)增强磁共振技术与DiI荧光示踪技术对皮质脊髓束的示踪效果好，二者结合应用，对临床影像学神经束路追踪研究具有较大的应用价值。

In cadavers of fetus(gestational age＞28 wks), infant and adult, the PEM fibers(which ran 2 to 4 cm cranially)were attached to the esophagus over its left and anterior aspect above the diaphragm.

膈食管膜分上、下两层，分别起于膈上、下筋膜，上层向上，下层分层为上、下两叶后向上、下止于食管外膜，部分纤维插入纵肌束或环肌束间。

A soft,cushionlike pad on the foot of an insect,such as the housefly ,by which it clings to a surface.

昆虫的复眼实际上是一束丝状的锥形光学纤维丝束。

The Schiff base transitional metal complexes of various structures and their metallomicelles as peroxidase models for the phenol and phenolic derivant oxidation have been investigated. Some results are obtained from the studies:(1) the Schiff base transitional metal complexes have high catalytic activity for the phenol and phenolic derivant oxidation, and the structure of the complexes has a great effect on its catalytic activity;(2)a novel kinetic mathematical model for the complexes and their metallomicelles catalyzing the phenolic derivant oxidation has been established;(3) the feasibility and mechanism for the phenolic derivant oxidation catalyzed by the metallomicelle(as the mimetic model of peroxidase)have been discussed.

研究了冠醚Schiff碱金属配合物作为过氧化物酶的模拟模型对酚类物质氧化反应的催化作用，取得如下结果：(1)几种冠醚Schiff碱金属配合物对催化酚类物质氧化具有良好的催化活性，其中配体结构对其催化活性有较大的影响；(2)建立了金属配合物与表面活性剂形成的金属胶束催化酚类物质氧化反应的动力学数学模型；(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。

After the click reaction of the SCL micelles and azide-terminus PNIPAM homopolymer, the novel PNIPAM-functionalized SCL micelles with pH-responsive cores and outer thermosensitive coronas were prepared, which was investigated act as excellent candidate of nanosized drug delivery vehicles. Finally, two types of novel shell cross-linked micelles in aqueous solution were prepared from these remarkable PMEO_2MA-b-P(DMA-co-QDMA)-b-PDEA triblock copolymers by cross-linking the inner P(DMA-co-QDMA) shell of micelles upon the addition of diazide tetra derivative in the presence of copper catalyst using click chemistry.

另外，还可以使用溴丙炔对ATRP聚合出的PMEO_2MA-b-PDMA-b-PDEA三嵌段的中间PDMA嵌段进行部分季胺化，这样可以利用两端叠氮化的四甘醇来交联由PMEO_2MA-b-PDMA-b-PDEA在不同条件下形成的两种分别以PMEO_2MA或PDEA为核的胶束，从而实现了从同一个聚合物直接在水溶液中得到两种内核不同敏感的壳交联胶束。

It is shown that as the interaction parameter increases, the shape of the block copolymer micelle changes from spherical to disklike.

对由AB和ABC两种嵌段共聚物形成的球状胶束在超强分凝状态下转变为平面圆盘状胶束的条件进行了详细推导。

It is shown that as the interaction parameter increases, the shape of the block copolymer micelle changes from spherical to disklike. Quantitative calculations are performed for the AB and ABC block copolymer micelles.

对由AB和ABC两种嵌段共聚物形成的球状胶束在超强分凝状态下转变为平面圆盘状胶束的条件进行了详细推导。

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