单管的

The company was founded in 2000 dedicated to various brands of electronic components distribution, Main: ALTERA, Sanyo, Roma, Toshiba, Samsung, Philips, Pu-cheng, KEC, JRC, NEC, ST, OKI , Hetai, Motorola, RATO, AUK various brands of the world, such as in-line, SMD: IC, II, transistor, varactor, sound of tubes, field effect transistor, single bi-directional Thyristor and various photoemission tube to receive first-class components, widely used in car audio, car amplifier, car / home DVD, VCD, CD, MP3, Tuner tuner, LCD displays, and other fields.

本公司成立于二零零零年，致力于经销各种品牌电子元器件，主营：ALTERA ，三洋、罗姆、东芝、三星、飞利浦、普诚、KEC、JRC、NEC、ST、OKI，合泰，摩托罗拉，RATO，AUK等世界品牌的各种直插、贴片：IC、二、三极管、变容管、音响对管、场效应管、单双向可控硅及各种光电发射管、接收头等元器件，广泛应用于汽车音响、汽车功放、车载/家用DVD、VCD、CD、MP3、高频头调谐器、液晶显示器等领域。

The main contents include ? the foundation of MD simulation cell in Grand Canonical Ensemble;? the establishment of elastic collision mechanism between hydrogen molecules and carbon nanotube walls and arithmetic design;? molecular dynamics simulation details of hydrogen physisorption in single walled carbon nanotube arrays and program design;? the acquirement and analysis of computer simulation results, where the influences of tube diameter, distance between tubes, temperature and pressure on hydrogen physisorption in SWCNTA are investigated in detail.

主要内容为：①巨正则系综分子动力学模拟元胞的创建；②氢分子与碳纳米管壁弹性碰撞机制的建立及算法设计；③碳纳米管阵列物理吸附储氢的分子动力学模拟细节及程序设计；④计算机模拟研究结果的获取与分析，重点研究了管径、管间距、温度和压强对单壁碳纳米管阵列物理吸附储氢的影响。

This paper provides the change of base resistance in Si-UJT which were irradiated by 60Co γ-ray. Through multipoint measurement and real-time monitoring, the result shows that the base resistance decreased immediately and then increased slowly.

本文针对硅材料和硅基器件辐照损伤机理间的矛盾问题，采用对单结晶体管基区电阻实时监测的方法，得到单结晶体管基区电阻值随γ射线辐照剂量的增加先减小后增大的规律。

In view of the single invalid data of the optoelectronic deflection meter system in the engineering practice of the bridge structural health monitoring system, which bring the illusive alarm and can not be identified by the traditional methods of signal processing and data analyzing,the paper analyses the characteristics of the single invalid data, and formalizes and describes them.

针对在大型桥梁结构状态监测系统工程实践中，光电挠度测量系统采集的数据中存在的较多单点失真数据无法使用传统的信号处理与数据分析方法过滤的问题，本文在连通管式光电挠度测量系统原理基础上，深入分析了系统中单点失真数据的特点，对单点失真数据进行形式化描述和说明，从而提出了一种基于数据速率变化来过滤单点失真数据的滤波方法。

The establishment of elastic collision mechanism between hydrogen molecules and carbon nanotube walls and arithmetic design;? molecular dynamics simulation details of hydrogen physisorption in single walled carbon nanotube arrays and program design;? the acquirement and analysis of computer simulation results, where the influences of tube diameter, distance between tubes, temperature and pressure on hydrogen physisorption in SWCNTA are investigated in detail.

主要内容为：①巨正则系综分子动力学模拟元胞的创建；②氢分子与碳纳米管壁弹性碰撞机制的建立及算法设计；③碳纳米管阵列物理吸附储氢的分子动力学模拟细节及程序设计；④计算机模拟研究结果的获取与分析，重点研究了管径、管间距、温度和压强对单壁碳纳米管阵列物理吸附储氢的影响。

Results: The chair-side time of two, three and four root canals was decreased obviously in four-handed technique group when root canals were obturated. There was no statistical difference in single root canal between two groups.

结果：单根管充填时两组医生的椅旁操作时间无明显差异，双根管、三根管及四根管充填时医生的椅旁操作时间有显著性差异。

Methods:32 patients of TCPC were reviewed: the average age was 10 years,ranged from 5 to 24 years and the average weight was 28 kilogramme,ranged from 13 to 55 kilogramme.18 patients underwent lateral tunnel and 1 patient underwent extracardiac conduit TCPC with hypothermic cardiopulmonary bypass and heart arrest,and 10 patients were treated by extracardiac conduit technique with normothermic CPB and without heart arrest and 2 patients without CPB,and 1 patients underwent two-step operation.

回顾性分析32例全腔静脉肺动脉连接术患者的临床资料：年龄5～24岁，平均（10±5）岁，体重13～55 kg，平均（28±11） kg，病种包括单心室16例，右心室双出口并完全性心内膜垫缺损6例，完全性大动脉转位并完全性心内膜垫缺损3例，三尖瓣闭锁6例，二尖瓣闭锁1例。其中，在低温体外循环心脏停跳下18例行右房内侧隧道法，1例行心外管道法，常温体外循环心脏跳动下10例行心外管道法，非体外循环下2例行心外管道法，1例行分次全腔静脉肺动脉连接术。

The wood structures of Lauraceae were characterized by most diffuse porous; most pores solitary, less multiple and cluster pores; simple and scalariform perforation with few bars; most solitary pore; alternate intervessel pitting; most of rays multiseriate, less uniseriate; all of rays heterogeneous, mostly heterogeneous Ⅲ and Ⅱ type rays; most of axial parenchyma paratracheal type, less banded or marginal type; oil cell and mucilage cell in axial parenchyma cell or ray cell; mostly fiber tracheid and libriform fiber, less septate fiber.

结果表明：除檫木外，其它木材的管孔分布均为散孔材，具较高的单孔率；导管分子穿孔板兼有单穿孔和梯状穿孔2种或者仅具有单穿孔；导管间纹孔式为互列；导管－射线间纹孔式类型丰富，主要为刻痕状和大圆状。木射线有单列和多列射线2种类型，单列射线稀少、短，多列射线数量多；射线组织主要为异形Ⅲ和异形Ⅱ；轴向薄壁组织以傍管状为主，少数有带状或轮界状。油细胞和粘液细胞普遍存在于射线薄壁细胞或轴向薄壁细胞中。木纤维由韧性纤维和纤维管胞组成，部分树种具分隔纤维。

The tracheary elements in secondary xylems of Actaea asiatica root and rhizomes were observered with a scanning electron microscope and found to contain abundant types, which mainly included tracheids, tracheid-like vessels, fibriform vessels, and typical vessels. Of these types, the tracheids, tracheid-like vessels, fibriform vessels were first found. Scalariform perforation plates, reticulate perforation plates, mixed perforation plates and simple perforation plates were observed in the typical vessels and the reticulate perforation plates ,mixed perforation plates were first founded the lateral-wall perforation plates, multiple end walls and pit membrane vestige were also observed in the tracheary elements.

利用扫描电子显微镜对毛茛科类叶升麻根和根状茎次生木质部中的管状分子进行观察，发现其管状分子类型丰富，主要有：管胞、管胞状导管、纤维导管和典型的导管分子，其中管胞、管胞状导管和纤维导管为在该类群中首次报道；在导管分子中，存在着梯状穿孔板、网状穿孔板、混合型穿孔板和单穿孔板，其中网状穿孔板和混合型穿孔板为在该类群中的首次报道；对其导管分子上的侧壁穿孔板、多穿孔板和纹孔膜残余也进行了描述。

Methods Sixty human teeth with single root were instrumented using step-back technique, then were divided into six groups and treated with different concentrations EDTA paste and NaClO solution.

选择60颗离体单根管牙，用逐步后退法预备根管，预备后随机分成6组，采用不同质量分数的EDTA糊剂对根管进行处理，分别为5%、10%、15%、17%和20%EDTA糊剂，另设生理盐水组作为对照。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。