查询词典 segment length

When changing the flexible segment -- hydroxyl polyether's type and its molecular weight, and rigid segment -- aromatic isocyanic acid ester's type and function, solid's intensity, the heat resistance, the compressive strength and other performance will also vary.

改变氰凝预聚体结构中的柔性链段——端羟基聚醚的种类和分子量，或调节刚性链段——芳香族异氰酸酯的种类和官能度时，对固结体的强度、耐温性、抗压强度和其它性能可以进行控制。

The prepared PU was an elastic solid,which could dissolved in ethanol,and it exhibited strong deep purple fluorescence at the peak of 365 nm along with a shoulder at 386 nm as a thin film. Obviously,the prepared PU also was a kind of uncommon ultraviolet-emitting polymer materials.2.A novel water-soluble rod-coil block copolymer was designed and prepared successfully via the facile isocyanic acid polycondensation method using polyfluorene as rod segment and polyethylene glycol as coil segment in the main chain for the first time.

所制备的聚氨酯是一种弹性固体，可以溶解在乙醇中，同时又显示出具有半导体性质的荧光性能——最大荧光发射峰在365 nm并且在386 nm处有一个小的侧肩峰，可见它又是一种非常难得的紫外发光聚合物材料。2、首次采用了简单的异氰酸酯反应，成功地将聚芴作为刚性链段和聚乙二醇作为柔性链段，以嵌段方式连结到聚合物分子主链上，从而形成了一种新型的具有刚性链—柔性链结构的嵌段共聚物。

In order to get the features of correlation dimension of microseismic signal,correlation dimensions of noise segment and microseismic pulse segment of the original signals are calculated.

为了得到微地震信号的关联维特征，计算了原始信号中噪声段和微地震脉冲段的关联维。

The preoperatie symptoms before ACDF were myelopathic symptoms in 24 patients, nonmyelopathic symptoms in fie patients, and unknown in two patients. The adjacent lesions were spondylosis in 27 patients and disc herniation in four patients, and they occurred in the superior segment in 21 patients and in the inferior segment in 10 patients. Thirty-one age- and sex-matched patients with cerical spondylotic myelopathy who underwent ELAP during the same period, who gae no history of surgery on the cerical spine, were enrolled as controls (group B; 26 males, fie females; mean age: 58 years).

ACDF术前24例患者有脊髓病症状，5例为非脊髓病症状，2例患者为不名症状。27例和4例患者相邻节段损害分别是颈椎病和椎间盘突出，并且21例患者发生在上位节段10例在下位节段，31例年龄和性别相符患有脊髓型颈椎病而又没有脊柱手术史的患者在同一时期行ELAP者被计入对照组（B组：26例男性，5例女性；平均年龄58岁）。

The relationship between PE segment and speech skill, the influence of surgical technique on PE segment and the mechanism of the prevertebral buldging were discussed.

本文就咽食管段的形态与发音技能关系、手术对咽食管段形态的影响和椎前隆起的机制进行了讨论。

Repeaters receive signals from one network segment and amplify, retime, and retransmit those signals to another network segment.

重读接收讯号从一个网段和健全， retime ，这些信号转发到另一网路区段。

In addition, the location of the apical vertebrae in the scoliotic segment, as usually identified in the coronal plane, may not be the same as that identified in the kyphotic segment when viewed in the sagittal plane.

因此并非所有的Lenke-1型胸弯都是后凸不足，另外，通常由冠状面确定的侧凸节段的顶椎位置和矢状面上后凸节段的确定并非相符。

The heat-conduction working fluid ring vacity glass pipe besiding the glass sealing ring wiped joint separatrix is exothermic segment,the inner part is heat-collecting segment.

玻璃密封环形焊接点分界线外的导热工质环腔玻璃管为放热段，内为集热段。

To minimize complications from urine reservoir constructed with an intestinal segment,reticular transplantation of bladder mucosa to an intestinal seromuscular segment was conducted in 3 randomized groups of canines.

为减少肠管膀胱术的并发症，于1994年3～7月，用犬分三组作了膀胱粘膜点状移植于浆肌层肠段重建膀胱的实验。A组：自体膀胱粘膜点状移植于浆肌层肠段形成人工膀胱，B组：在A组基础上一期将输尿管与人工膀胱吻合，C组：将同种异体膀胱粘膜移植于浆肌层肠段。

Through simulation of the real process of thomcolumbar burst fracture and use of modem dynamics techniques, the present study was (1) to investigate the kinetic relationship between structural damage and impact energy absorption and dynamics mechanism of thoracolumbar burst fracture by quantitative analysis of various injured segments;(2) to explore the instability mechanism of L1 vertebral burst fracture and its injury threshold by three-dimensional analysis of the injured segment with stereophotogrammetry in combination of transient physical parameters, anatomy and image;(3) to explore the corresponding relationships between impact energy, geometry parameters and biomechanics by geometry and biomechanical analysis of thoracolumbar burst fracture, which may provide an objective standard for evaluation of spinal injury severity and experimental evidence for adoption of biomechanical treatment in clinic;(4) to evaluate the fixation effect of different instruments and the effect of intervertebral bone graft on segment fixation by analysis of the threedimensional stability of different internal fixation instruments and their decompression of the spinal canal, which may provide experimental evidence for therapeutical selection for thoracolumbar burst fracture in future; and finally to investigate the effect of various instrument fixation on dynamical characteristics by comparison and quantitative analysis of frequency and amplitude responses, which may provide certain theories and experimental evidence for application of vibration test to judge the stability of the spine.

本研究从胸腰段脊柱爆裂骨折发生的实际过程出发，以现代动力学检测及计算机多通道高性能数据采集分析系统等高新技术为基础，实时量化分析损伤节段的工程参数，揭示了结构破坏与能量吸收的变化规律，探讨了胸腰段脊柱爆裂骨折的瞬态损伤机制；利用三维立体摄像技术，对不同损伤程度的节段进行三维运动分析，结合瞬态物理参数、影像学和病理解剖，明确了〓椎体爆裂骨折的失稳机制及损伤阈值；通过对胸腰椎爆裂骨折的几何学变化及生物力学分析，明确了撞击能量与几何参数、几何参数与生物力学的相应关系，为评判脊柱损伤程度提供了客观标准，为治疗中采取适宜的生物力学方法提供了实验依据；通过对比分析不同内固定器械的三维稳定性和对椎管的减压作用，评价不同器械的复位固定作用，同时比较椎体间植骨对节段固定作用的影响，为今后临床胸腰段脊柱爆裂骨折的治疗选择提供依据；利用振动测试与分析技术，比较及量化分析了不同致伤状况的频幅响应特征，比较分析了各种器械固定对动力学特性的影响，为今后临床建立基于振动测试与分析技术判断脊柱稳定性的诊断方法，提供了一定的理论和实验依据。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。