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A pragmatic exploration of anaphoric repair in conversation;2. And from this point of view,taking anaphoric repair as an example,repair function of RD has been scrutinized.

在Geluykens的广义右偏置结构范畴的基础上,把对右偏置结构的探讨延伸至人际会话语篇,提出一个用以充分考察其等级性特征的等级连续体;并在此基础上,以照应修正为例,对这一句法结构的修正功能进行深入的探讨。

The Zhanjiang Bay Bridge applies the Cable-girder anchorage with tensile anchor plate. Taking the fatigue test for the Zhanjiang Bay Bridge as an instance, the design of fatigue test and the fatigue reliability of the Cable-girder anchorage are studied in this thesis.

本文结合广东湛江海湾大桥锚拉板式索梁锚固结构的疲劳试验,着重讨论了索梁锚固结构的疲劳试验设计,同时分析了该桥索梁锚固结构的疲劳性能。

By observing and analyzing 3D structure of apple flower and inflorescence, we raised the 3D structure mathematical model of anthocaulus, receptacle, calyx, petal, androecium and pistil. At the same time, we get model parameter, integrate the apple flower and inflorescence topology structure information, reconstructed 3D structure of apple flower and inflorescence.

通过对苹果花及花序形态结构的观测分析,分别提出了描述花柄、花托、花萼、花瓣、雄蕊和雌蕊三维形态结构的数学模型,并提取了模型的控制参数;进一步整合苹果花及花序的拓扑结构信息,实现了苹果花及花序的三维重建。

Firstly, mathematical models for describing the 3D structure of anthocaulus, receptacle, calyx, petal, androecium and pistil are proposed basing on observing and analyzing the 3D structure of apple flower and inflorescence. At the same time, parameters for controlling these models are extracted. Secondly, the reconstruction of 3D structure of apple flower and inflorescence is implemented by integrating its topological structure information.

通过对苹果花及花序形态结构的观测分析,分别提出了描述花柄、花托、花萼、花瓣、雄蕊和雌蕊三维形态结构的数学模型,并提取了模型的控制参数;进一步整合苹果花及花序的拓扑结构信息,实现了苹果花及花序的三维重建。

Hydroxysteroid dehydrogenase/carbonyl reductase ( 3α-HSD/CR,EC 1.1.1.50 ) from Comamonas testosteroni is an inducible enzyme which catalyzes the oxidation of androsterone with NAD+ to form androstanedione and NADH. 3α-HSD/CR was a member of the SDRs family, whose crystal structure had been solved by X-ray diffraction in 2000. The structure of 3α-HSD/CR is a homodimer which shows a typical pattern of Rossmann-fold structure consisting of βαβ units, and reaveals similarity with other members upon the SDRs family.

中文摘要 3α-Hydroxysteroid dehydrogenase/carbonyl reductase ( 3α-HSD/CR,EC 1.1.1.50 )是从Comamonas testosteroni菌体中分离而来的诱发性酵素,利用NAD+为辅因子,将受质androsterone氧化成androstanedione并伴随NADH的生成而完成催化反应。3α-HSD/CR是属於SDRs家族成员之一,其立体结构已经在2000年利用X-ray晶体绕射所解出。3α-HSD/CR在结构上为一同源双聚体,并和其它家族成员一样具有βαβ二级结构所叠合组成的Rossmann-fold特徵。

The manufacture process is very; the parts and components, including electric motor, reducer, breaker and cable reels, all adopt the updated products; the whole machine has advanced technologies, reliable performance and novel structure; it has many safety protection facilities, such as: overload equipment, height indication equipment, stroke ultimate position terminal protector, electric rail clamp and anemoscope to ensure the normal operation of the equipment.

跨度大,一机多用,可同时装置主钩、副钩等结构;主梁、横梁、支腿等主要结构为箱形梁,强度与刚度好,制造工艺简单;零部件包括电机、减速器、制动器、电缆卷筒等均选用最新产品,整机技术先进,性能可靠,结构新颖;有超载装置、高度指示装置、行程极限位置终端保护装置、电动夹轨器、风速仪等安全设施,保证设备的正常运行。

XRD shows: when the value of x is between 0.1 and 0.3, the alloying thin film remains the structure of hexagonal wurtzite and the angle of (002) diffraction peak becomes bigger as the value of X increases; The photoluminescence spectra at room temperature shows that the PL spectra of the alloying thin film is composed of the stronger UV emission band and weaker visible band, and UV emission peak will have the blue shift with the content of Mg increasing and the visible emission weakened.

XRD衍射测试表明:在0.1<x<0.3范围内,合金薄膜仍然保持氧化锌六角型纤锌矿结构,(002)衍射峰位随x的增大向大角度方向移动,在X≥0.3的范围内,合金薄膜的结构则为氧化锌和氧化镁的混合结构;室温光致发光谱表明:ZnMgO合金薄膜PL谱都是由较强的紫外发射带组成,且随着Mg含量的增加紫外发射峰位发生蓝移,同时可见发射增强。

Working out technology and controlling the quality on supporting roller of belt conveyor;2. Theoretical analysis of deviation prevention for rubber belt by the slotted supporting roller with an angle of lead dip;3. A kind of dumbbell typed entirety supporting roller used for supporting the carrying belt and the wind leaf bucket-dustpan typed accumulated material mopping up device employed in sweeping up the accumulated material in the tail section we.

借鉴消化国外输送机械新技术,创新设计出具有全封闭式结构、拆卸性结构及全程底板耐磨设计特点的带式输送机;用于支承输送带的一种哑铃型整体式托辊,及用于自动清扫尾段积料的风叶畚斗式积料清扫器为其专有技术,这些结构及技术保证了带式输送机整机性能优良,输送量高、带速快,高效节能。

In this thesis,based on the DFT+NEGF first-principles method,we construct a lead-molecule-lead sandwich system with single benzene-based molecule to investigate the relationship between the structure and properties of the molecular devices and the factors that influence properties of the molecular devices.Our computational investigations on these molecular devices are primarily concentrated on the effect of contact geometry between molecules and electrodes,the effect of side groups,the effect of different torsion angle between two phenyl rings and the effect of external electric field.This thesis consists of five chapters:In Chapter one,we mainly introduce the research background and development of the molecular electronics,including the experimental fabrication of molecular electronic components and theoretical simulation methods.Afterwards we discuss the questions that need to be solved in this area.Finally,the main contents of this thesis are listed.In Chapter two,we introduce the theoretical methods used in this thesis, including the main first-principles calculation methods,i.e.,the Density-Functionmethod and nonequilibrium Green\'s function.

本论文拟采用密度泛函理论和非平衡格林函数相结合的第一性原理计算方法,选取苯基小分子作为研究对象,构建了金属电极/有机小分子/金属电极三明治结构体系,系统地研究了苯基分子器件结构的改变与分子电输运性质之间的关系以及影响分子器件电输运性质的相关因素,其中重点研究了分子与电极间可能的接触结构改变、官能团、分子间的扭转角以及外电场对苯基分子电输运性质的影响,本论文主要包括以下五个章节的内容:第一章为综述部分,主要介绍了分子电子学产生的背景、分子器件的研究意义、当前研究分子器件的实验和主要理论方法,以及目前在研究分子器件中存在的一些问题,最后给出了本论文的主要研究内容和技术路线。

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机,有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对,组成的叶片角度轴承手段( 10 , 12 , 14 , 16 )为每个转子叶片的手段,拉杆手段( 6,8 )手术互连转子叶片的手段,其中一对刀片的手段都是安排截然相反的对方说,拉杆手段,有一个高弯曲阻力,即传输弯矩从转子叶片向转子头的意思是,大幅防患于未然,每个叶片角度说,轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向,至少有一个叶片角度说,轴承是指一对组成的手段,允许轴向的议案,分别紧张酒吧手段,支持在叶片角度说,轴承的手段,其中,叶片角度说,轴承的手段( 10 , 12 , 14 , 16 )手术的支持表示拉杆的手段( 6 , 8 )就表示,转子头部的手段( 4 )为俯仰角轮换说拉杆手段相对说,转子头部的手段( 4 )表示,转子结构进一步组成的手段,( 24 )说,确保转子叶片的手段( 18 )表示,拉杆手段( 6 , 8 )在一个僵化的方式对旋转的叶片即是说,约纵向叶片轴,即确保手段防止扑,拖曳和落后变动的紧张局势,酒吧的手段,说拉杆手段,正在建造的,作为扭杆这是弹性相对扭转约说,纵向叶片轴。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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