无管的

Extrinsic factors that can affect the risk of infection include the use of maximal sterile barriers,chlorhexidine skin preparation,insertion by inadequately trained personnel,the number of line breaks,hyperalimentation fluid,5%dextrose (favors gram-negative organisms),and lipid emulsions.

影响血管内插管感染发生的外源性因素包括：无菌屏障的范围，皮肤消毒剂种类，穿刺人员是否经过专业培训，整个输液系统被外物介入的次数，高营养输液，5%葡萄糖溶液以及脂质乳液。

Flexural rigidity of plate is reduced because of circular holes in the plate made by hollow pipes. And it generates the change of moment distribution in the plate.

由于楼板中埋入空心管使得楼板的刚度发生变化，从而使无梁空心板的内力分布相应的发生变化。

The thickness of myelin sheath of experimental group was inferior to that of group B (P.05) at the third month, while the number and diameter of axons in both groups was similar.

这种无细胞基膜管移植体能支持轴突的生长和雪旺细胞的迁移，是一种良好的神经移植替代材料。

Results:①The center of the homogeneous density soft tissue masses (mean CT value was 50HU) were located in the middle and lower tympanum,and the external auditory canal or the pharyngotympanic tube was involved in the earlier period;②the destructed b...

结果：中耳癌的CT特征：①表现为以中、下鼓室为中心的软组织密度灶，密度均匀，CT值50HU左右，外耳道及咽鼓管早期受累；②呈溶骨性骨质破坏，形态不规则，边缘无骨硬化表现，外耳道后壁破坏较前壁严重；③病灶侵入颞叶，形成肿块，灶周脑水肿不明显；④增强扫描见病灶有中度强化。结论：CT能确定中耳癌的存在及精确显示肿瘤累及范围。

This article introduced in detail does not have the electric cable to coordinate the controller the overall design and its hardware electric circuit, the software procedure: Voltage comparator, 2 frequency multipliers, synchronized clock electric circuit, 6 7SEDLED nixietube display circuit.

本文详细介绍了无电缆协调控制器的整体设计和其硬件电路软件程序其硬件电路组要有：电压比较器2倍频器同步时钟电路6位7SEDLED数码管显示电路系统软件包括：主程序子程序实现控制程序等实验表明：该无电缆协调控制器系统可以准确的对信号灯进行监控和教正，可以在一定程度上解决混合交通流的问题

Results: The effects of occlusion of dentinal tubules occurred after treatment with 0.6 mol/L solution,the most tubules could be obs...

1.2mol/L浓度的溶液组效果与前一组无明显差异。结果：1mol/L浓度的碳酸氢钠溶液与牙体组织发生反应的生成物碳酸磷灰石能有效地堵塞牙本质小管

It is difficult to restore the large defect of pulpless tooth body. The dentinal peg and root canal peg filling were used before, which needed specialized instrumnets and materials.

无髓牙牙体大面积缺损的修复是比较困难的，主要有牙本质钉、根管钉桩核等修复方法，均需要专门的工具器械和材料。

The expression of nestin antigen, NSE and GFAP were identified by immunohistochemistry, and the number of NSE-positive cells and GFAP-positive cells were dividedly counted.

结果大鼠胚胎神经管神经上皮干细胞在无血清培养基中可形成大量呈nestin抗原阳性细胞构成的神经球，经传代有血清培养后分化为NSE阳性和GFAP阳性细胞，其中NSE阳性细胞占细胞总数的47.7％，GFAP阳性细胞占细胞总数的39.8％。

Lation of the seepage deformation was carried out by means of element-free method based on the above theoretics.

本文在模型试验研究的基础上，提出了一套基于渗流-管流耦合的渗透变形发展理论体系，并用无单元计算方法实现了基于上述理论体系的渗透变形过程数值模拟。

DSC measurements proved that the amorphous and crystalline prepolymerswere obtained catalyzed by stannous octoate and sulfric acid respectively.

DSC的分析表明以Sn2和浓硫酸为催化剂可以分别制备无定形的与结晶的聚乳酸/碳纳米管复合物。

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