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Treating with coils as aeolotropy, this paper brings forward a set of mathematical mode for computing internal stress distribution of coil in the process of coil coiling, in which some factors are taken into account, such as the transverse distribution of shape, crown and curl tension of the strip, the friction between the strip and the reel, the friction between strips, and etc. Because the reel shrinkage and the inner circle of the strip losing radial restrain and circumferential restrain can induce interlayer slipping and the change of the whole coil compactedness , the assumption concerned ——"virtual reel" in the process of coil uncoiling is put forward, which takes the form of slow action to express the uncoiling process and, therefore clearly simulates the variation course of internal stress distribution of coil in the process of coil uncoiling.

考虑到带材板凸度、卷取张力的横向分布以及带材与卷筒之间、带材与带材之间的摩擦力等因素的影响，并将钢卷按各向异性体处理，提出一套计算卷取过程中钢卷内部应力分布的数学模型；同时考虑到卸卷过程中由于卷筒的收缩，钢卷内圈失去径向和周向约束而引起层间滑移及整个钢卷紧密程度发生变化，提出钢卷卸卷过程中有关"虚拟卷筒"假设，将卸卷过程以"慢动作"的形式表示出来，清楚地模拟出卸卷过程中钢卷内部应力分布的变化历程。

boiler is a important power equipment,the require is to provide qualified vapour,let the amount of vapour maked by boiler suit for the load.because of this,every main parameter in the process of the product should be strict controlled.this paper is introduced same main control system in the process of boiler control、concentrate and disperse control system 、the characteristic and the develop of the MCGS compose status software.integrate with the technique of the boiler, discuss the single momentum, double momentum, three momentum boiler control system distinguishly.we think in the process of micro boiler control, three momentum control is the best choice,and has been well implemented in the water level mediation.further more,use the concentrate and disperse control and MCGS compose statue sofeware can achieve the control of the boiler,and can reach a fine effect..

锅炉是一个重要的动力设备，其要求是供给合格的蒸汽，使锅炉发气量适合负荷的需要。为此，生产过程的各个主要参数必须严格控制。本设计了研究锅炉控制过程的几个主要控制系统，以及集散控制系统和MCGS组态软件的特点和发展状况。结合锅炉的工艺情况，针对单冲量、双冲量、三冲量锅炉控制系统，对它们存在的利弊做出了比较和分析。结合生产实践，对三冲量的算法进行比较，认为在小型锅炉控制过程中，三冲量控制是最好的选择，并在水位调节中得到很好的应用。

Then the micro-state and transport process of carriers (hot-electron) in vivo of the switch material were studied in details using the quantum theory. It was found: in the DC bias electric field, under the certain condition of the relaxation time of the hot-electrons in the electron-electron and electron-phonon interaction process, the photoconductivity oscillation can be caused by the change of mobility in the process of optoelectronics transport, and the main causes that the output electrical pulse appears oscillation was revealed.

并从量子理论出发，研究开关体内载流子的微观状态和输运过程，在直流偏置电场作用下，体内热电子在电子—电子、电子—声子相互作用过程中，其驰豫时间及载流子寿命之间存在关系时，光电子的输运可通过迁移率变化引起光电导振荡，揭示出导致开关输出电脉冲出现振荡的根本原因。

And detailedly analyzing reasons including these problems, it is can be found that not thinking of the slope of pipeline and the friction in the process of production water hammer pressure functions, but thinking of the effect of the slope pipeline in the process of production the consequent water hammer calculative continuity function , which results in the inconsequent illogicality in the whole process of producing.

对这些问题存在的原因进行了详细分析，发现在当前推导水击压强公式的过程中没有考虑管道的倾斜度和摩擦阻力的影响，而在后面水击计算的连续性方程的推导过程中则考虑了管道的倾斜度，这就导致了在当前连续性方程的整个推导过程中前后矛盾的不合理现象。

Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing.

接着，对这些问题存在的原因进行了详细分析，发现在当前推导水击压强公式的过程中没有考虑管道的倾斜度和摩擦阻力的影响，而在后面水击计算的连续性方程的推导过程中则考虑了管道的倾斜度，这就导致了在当前连续性方程的整个推导过程中前后矛盾的不合理现象。

Content abstract :Language and culture are having inalienable relation , language is acting as the intermediary effect in the process taking form in culture,; In the process of development of culture; Language is holding the post of the precis writer function; Language is playing carrier's role in the process of the culture delivery but.

内容摘要：语言和文化有着不可分割的关系，在文化形成过程中，语言充当着媒介作用；在文化的发展过程中；语言又担任着记录功能；而在文化的传递过程中，语言又起着载体的作用。

Treating with coils as aeolotropy, this paper brings forward a set of mathematical mode for computing internal stress distribution of coil in the process of coil coiling, in which some factors are taken into account, such as the transverse distribution of shape, crown and curl tension of the strip, the friction between the strip and the reel, the friction between strips, and etc. Because the reel shrinkage and the inner circle of the strip losing radial restrain and circumferential restrain can induce interlayer slipping and the change of the whole coil compactedness , the assumption concerned ——"virtual reel" in the process of coil uncoiling is put forward, which takes the form of slow action to express the uncoiling process and, therefore clearly simulates the variation course of internal stress distribution of coil in the process of coil uncoiling.

考虑到带材板凸度、卷取张力的横向分布以及带材与卷筒之间、带材与带材之间的摩擦力等因素的影响，并将钢卷按各向异性体处理，提出一套计算卷取过程中钢卷内部应力分布的数学模型；同时考虑到卸卷过程中由于卷筒的收缩，钢卷内圈失去径向和周向约束而引起层间滑移及整个钢卷紧密程度发生变化，提出钢卷卸卷过程中有关&虚拟卷筒&假设，将卸卷过程以&慢动作&的形式表示出来，清楚地模拟出卸卷过程中钢卷内部应力分布的变化历程。

To the product yield is mainly studied in the brominating process, and the best synthesizing process conditions is obtained; the effect of the selection, quantity of the solvent, the reaction temperature, reaction time, and the catalyzer to the product yield is researched in the process of ketalization and the relative preferable process conditions has been got.

在脱溴反应中，主要研究了溶剂的用量、溶剂配比、物料配比、反应时间和反应温度等对目标产物得率的影响；在选择性溴化反应中，主要研究了溶剂和溴化剂的选择、物料配比、溶剂的用量等参数对产物质量和得率的影响，最终得到了合成的最佳工艺条件；在缩酮化反应中，主要研究了溶剂的选择、溶剂的用量、反应温度、反应时间和催化剂的选择等参数对产物得率的影响，并得到合成的较佳工艺条件。

The research showed that there was serious loss of DON in the process of barley steeping (loss of 88.6 %), DON content increased in germination and saccharification process, and there was almost no change in DON in kilning, boiling and fermentation process.

研究表明，DON在浸麦过程中严重损失，损失了88.6 %，发芽和糖化过程中DON的含量有所增加，烘干、煮沸和发酵过程中几乎没有变化。

According to the wire electrode on the trajectory of the different forms of control, WEDM can be divided into three types:* is a copy-control, cutting their lines in advance to create the shape of the workpiece and the same mode *, When the rough machining parts and die at the same time * Clamping in the machine tool table, in the process of cutting wire electrode tightly * close to the edge of model for mobile track, thus cutting out the model * with the same shape and precision to work; another One is the optical tracking control, the cutting in line before the first parts in accordance with drawings by a certain ratio of enlarge depicts an electro-optical tracking maps, drawings will be processed when the machine electro-optical tracking placed on the stage, followed on the stage The first photo has to follow the ink line graphics track movement, and then through the use of electrical, mechanical linkage to control the machine tool table work together with the relative electrode wire Xiang Sixing do sports in order to cut out the pattern and shape of the workpiece to the same; a re - Is a digital process control, advanced digital automatic control technology, machine-driven process in accordance with the geometry of the workpiece before the parameters of good pre-processing CNC automatic completion of the processing, production do not look like without drawing board also plans to enlarge, in front of more than two Control in the form of higher precision processing and broad scope of application, at home and abroad for more than 95% of WEDM have been using digital technology.

根据对电极丝运动轨迹的控制形式不同，电火花线切割机床又可分为三种：一种是*模仿形控制，其在进行线切割加工前，预先制造出与工件形状相同的*模，加工时把工件毛坯和*模同时装夹在机床工作台上，在切割过程中电极丝紧紧地贴着*模边缘作轨迹移动，从而切割出与*模形状和精度相同的工件来；另一种是光电跟踪控制，其在进行线切割加工前，先根据零件图样按一定放大比例描绘出一张光电跟踪图，加工时将图样置于机床的光电跟踪台上，跟踪台上的光电头始终追随墨线图形的轨迹运动，再借助于电气、机械的联动，控制机床工作台连同工件相对电极丝做相似形的运动，从而切割出与图样形状相同的工件来；再一种是数字程序控制，采用先进的数字化自动控制技术，驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工，不需要制作模样板也无需绘制放大图，比前面两种控制形式具有更高的加工精度和广阔的应用范围，目前国内外95％以上的电火花线切割机床都已采用数控化。

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。