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We compared the blind intubationsuccess rates among the silicone wire-reinforced tube, the Parkertube, and the PVC tube, and identified laryngeal structurespreventing tracheal intubations through the ILMA.

我们比较了钢丝强化硅树脂管、 PVC 管及 Parker 管的盲插成功率,确定阻止经 ILMA 行气管内插管的喉部结构。

Moreover, since the strain energy of zigzag tubes is larger than that of the armchair tubes with the same semidiameter, the ends of the armchair tubes are easier to be closed than those of the zigzag ones. And the closed structures of the zigzag tubes have a lot of defects, even at 3000 K, there will be few carbon atoms flying away from them.

此外,由于锯齿型碳管应力能比同口径扶手型碳管的应力能大,使得扶手型碳管比锯齿型碳管更容易形成端口封闭的结构,且锯齿型碳管端口的封闭结构出现相对较多的缺陷,甚至在3000K下会有少最碳原子从端口飞离碳管。

In small intestine, AKP activity was mainly distributed over four areas of epithelial cells: cytomembrane, cytoplasm, microvillus and the carbohydrate-riched cell coat. In liver, it was mainly located in canaliculi. In kidney, it mainly existed in such zones as brush border and memebrane of epithelial cells of proximal tubule, and cracks between kinds of tubules.

AKP活性在小肠主要分布在小肠绒毛上皮细胞的细胞膜、细胞浆、微绒毛和微绒毛表面的糖衣上,在肝主要分布在胆小管,在肾主要分布在皮质肾小管,尤以近曲小管的刷状缘、近曲小管上皮细胞膜和各种管状结构之间的腔隙内分布较多。

Methods High frequency ultrasonography of normal cubital and carpal tunnel were performed in 30 healthy volunteers.

应用高频超声观察30例正常人的肘管及腕管的超声解剖并对20例肘管综合征、10例腕管综合征患者术前行超声检查。

Although this lowest cooling temperature is higher than that achieved by using a double-inlet valve, the cooling power obtained by the refrigerator with an inertance tube is higher than with a double-inlet valve, which demonstrates the excellence of inertance tube.

虽然最低制冷温度高于双向进气型脉管制冷机的制冷温度,但是当制冷温度在75K以上时,惯性管型脉管制冷机的制冷量大于双向进气型脉管制冷机的制冷量,从而体现了惯性管的优越性。

The other was observative group of 98 cases,which aceordring to the graph method,calculate the length of the pipe. Then using SPSS 10.00 soft,analysed the data. Results The distance compared the end of the stomach pipe and the point of the middle of the stomach body,the observative group was(- 1.12 ± 1.36) cm,the was 1.31 -5. 6cm. The length in observative group was longer than thatin contrast group , and the variability was minlmum.

国内还有应用胃镜直视测量不同身高患者的门齿至胃粘液池的长度来判定成人置人胃管的长度,但不能代替鼻孔至胃底的长度,为了准确的置人胃管深度,以达到最佳的吸引位置,我们通过由开腹手术医生确认胃管进入胃体中段的最佳长度,再测量胃管长度的方法,对2O0例开腹手术患者胃管长度的比较分析得出,根据英国Scalzo 所提出的图表法鼻胃管插入长度=6.7+[0.26 身高] 』。

Based on the electron-lattice interaction,Frohlich Hamiltonian and quantization theory are used to deduce the dimerized energy gap and phase transition temperature of carbon nanotube.

依据碳纳米管中电子-声子相互作用的原理,采用哈密顿量、量子化理论推导了二聚化对应能隙和相变温度,在紧束缚近似、量子理论和能带理论的基础上,利用周期性边界条件对碳纳米管Π电子进行了分析,讨论了碳纳米管的导电性,预测了室温下碳纳米管碳管中载流子输运方向

Carbon nanotubes are coated with Ni by a series of processes of optimization (oxidations, sensitization and activation) used to add activated sites on the surface of CNTs before electroless plating.

通过对镀Ni前碳纳米管的氧化、敏化和活化处理,在碳纳米管表面增加活化点,成功地在破纳米管表面镀上一层金属Ni,并用TEM对镀Ni前后的碳纳米管进行了表征。

Objective To evaluate clinical effect of the handling ProTaper Nickel-titanium rotary instruments in preparation of canals of posterior teeth.Methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling ProTaper rotary instruments using step-down technique,and by K files using step-back technique for control.All teeth were obturated with lateral condensation methods.The efficiency of preparation was analyzed with ra-diographs before and after operation.

目的 评价手用ProTaper预备后牙根管的临床效果方法选取患有牙髓炎和根尖周炎的后牙96例,随机分成试验组和对照组各48例,试验组用手用ProTaper 锥度镍钛旋转器械逐步伸入法预备根管,对照组用K锉,逐步后退法预备根管,两组均用侧向加压充填法充填根管,根据治疗后的X线片,评价后牙根管预备效果。

Production of intellectual property rights have an independent national patent products - Bergen plates lined with plastic pipe embedded tendons, Bergen licensing stainless steel double-layer steel-lined metal tube, Bergen tendons embedded double-sided plates lined with plastic pipe, condensation-type lined with plastic pipe, steel mesh skeleton reinforced plastic composite pipe, high pressure bi-metallic tubes, thin-walled stainless steel pipes, galvanized pipes are an alternative to traditional ideals of environmental protection pipe.

公司生产拥有独立知识产权的国家专利产品--贝根牌内筋嵌入式衬塑钢管、贝根牌钢衬不锈钢管双层金属管、贝根牌内筋嵌入式双面衬塑钢管、缩合式衬塑钢管、钢丝网骨架增强塑料复合管、高压双金属管、薄壁不锈钢管,是替代传统镀锌管的理想环保管材。

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I didn't watch TV last night, because it .

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