螺旋丝

The resistance wire uses the 0Cr25Al5 high electric resistance alloy silk rolled spiral-shape to install in the roller hearth silk brick, the silk brick use my factory's own production acclivity 20° against to fall the silk brick, theresistance wire won't drop out from groove easily.

电阻丝采用0Cr25Al5高电阻合金丝绕成螺旋状安装在滚筒炉膛的搁丝砖上，搁丝砖采用我厂独家生产的上斜20°防掉丝砖，电阻丝不易从槽中掉出。

The furnace shell welded by steel plate and steel,the lini-ng used ultra-light energy from refractory brick masonry, between the shell and lining expansion using silicate fibe-rs and heating insulation powder insulation,high temperat-ure alloy components resistance wire 0Cr25Al5 winding spi-ral formgalvanized-installed in the furnace built around the high alumina brick wire,crucible from Q235 low carbon steel plate from double-sided post-welding,thermocouple inserted from the side hearth furnace,contact crucible,squa-re crucible heat galvanizing EAF matching with automatic t-emperature controlcabinet,at room temperature -500℃ adju-stable within arbitrary and automatic thermostat.

炉壳由钢板和型钢焊接而成，炉衬采用超轻质节能耐火砖砌筑而成，外壳与炉衬之间采用硅酸铝纤维和膨胀保温粉保温加热，元件采用高温合金电阻丝 0Cr25Al5绕制而成螺旋状安装在镀锌炉膛周围的高铝搁丝砖上，坩锅由Q235低碳钢板双面剖焊而成，热电偶从炉体侧面插入炉膛，接触坩锅，方坩锅热镀锌炉配套有自动温度控制柜，在室温-500℃范围内任意可调，并自动恒温。

In order to ensconce the elongated SMA wire by dimension compensation in miniature SMA wire driving articulated arm, three assisting emplacement methods are adopted: both arm emplacement, screw container assisting emplacement, and distributed pulley assisting emplacement.

为了安置微小型SMA丝转动关节臂中通过驱动元件尺寸补偿增长了的SMA丝，采用了三种辅助安置方法：双臂安置、螺旋槽容器辅助安置和分布式滑轮辅助安置。

Transfers the bottom type resistance furnace structure outer covering becomes by the steel plate and the section welding, the furnace body welds the system full circle densely by the steel plate, lower part the spatial installment has the turntable support, the kingbolt, on the furnace body foot ledgerwall the installment has the velocity modulation electrical machinery and the transmission gearbox, through the umbrella type gear and the main axle connection, transfers the bottom type resistance furnace's stove village material to use fan-shaped ultra light quality high strength 0.6g/cm3 to conserveenergy the fireproof heat preservation brick, the heat insulating layer uses the aluminum silicate textile fiber felt and the inflation heat preservation powder, the resistance silk thread becomes spiral-shaped, installs according to the average temperature rule in the resistance wire trough, the basealso arranges the resistance wire in the special-purpose trough, in such stove the temperature is even, the work piece and the turntable cannot bump with the resistance wire, resistance wireThe service life is long, is not easy to damage.

转底式电阻炉结构外壳由钢板和型钢焊接而成，炉体由钢板密焊制成圆型，下部空间安装有转盘支撑，旋转主轴，炉体最下部底板上安装有调速电机和变速器，通过伞型齿轮与主轴连接，转底式电阻炉的炉村材料采用扇形超轻质高强度0.6g/cm3节能耐火保温砖，保温层采用硅酸铝纤维毡和膨胀保温粉，电阻丝线成螺旋状，按均温规律安装在电阻丝槽内，底部也布置电阻丝在专用槽内，这样炉内温度均匀，工件及转盘不会与电阻丝相碰，电阻丝使用寿命长，不易损坏。

Transfers the bottom type resistance furnace structure outer covering becomes by the steel plate and the section welding, the furnace body welds the system full circle densely by the steel plate, lower part the spatial installment has the turntable support, the kingbolt, on the furnace body foot ledger wall the installment has the velocity modulation electrical machinery and the transmission gearbox, through the umbrella type gear and the main axle connection, transfers the bottom type resistance furnace's stove village material to use fan-shaped ultra light quality high strength 0.6g/cm3 to conserve energy the fireproof heat preservation brick, the heat insulating layer uses the aluminum silicate textile fiber felt and the inflation heat preservation powder, the resistance silk thread becomes spiral-shaped, installs according to the average temperature rule in the resistance wire trough, the base also arranges the resistance wire in the special-purpose trough, in such stove the temperature is even, the work piece and the turntable cannot bump with the resistance wire, resistance wireThe service life is long, is not easy to damage.

转底式电阻炉结构外壳由钢板和型钢焊接而成，炉体由钢板密焊制成圆型，下部空间安装有转盘支撑，旋转主轴，炉体最下部底板上安装有调速电机和变速器，通过伞型齿轮与主轴连接，转底式电阻炉的炉村材料采用扇形超轻质高强度0.6g/cm3节能耐火保温砖，保温层采用硅酸铝纤维毡和膨胀保温粉，电阻丝线成螺旋状，按均温规律安装在电阻丝槽内，底部也布置电阻丝在专用槽内，这样炉内温度均匀，工件及转盘不会与电阻丝相碰，电阻丝使用寿命长，不易损坏。

A strand reciprocator (30) is mounted to guide the strand from edge to edge of the package and to lay the strand in a helical pattern on the package surface (20) as the package (19) rotates.

丝束往复抖动器（30）被安装成在卷装（19）转动时从卷装的一边到另一边地引导丝束并呈螺旋形型式地将丝束铺放到卷装表面（20）上。

It was found that the silk fibroin obtaineddirectly from anterior and middle regions of middle division of silk gland is in orderedstate, assumed to be in nematic form, but not observed in posterior region, in whichliquid silk fibroin is in coiled coil and some α-helix forms. In the middle region of middle division there is a relatively regular arrangement for the α-helix, and there is arelatively regular arrangement for β-strand and loosed α-helix in anterior region.

在熟蚕丝腺体的中部前、中段的丝心蛋白处于类向列型液晶的有序态，而中部后段中则观察不到此有序态，而是呈无规线团和一些α-螺旋结构，而且中部前中段的结构也有区别，中部中段的有序态为α-螺旋结构的相对规则聚集，而中部前段的则为β-伸展链和松散α-螺旋结构的相对规则聚集。

In chapter 2,we establish theformulation of the extended mean-field theory that can be applied to cholesteric liquidcrystals,and we apply this extended mean-field theory to study the helical structure ofcholesteric liquid crystals.

在第二章中，我们将文献[6]中丝状液晶中的广义平均场方法推广到了螺旋状液晶体系，并用这一方法讨论了螺旋状液晶中分子指向矢的螺旋结构。

It is mainly made up of frame, gate board, screw pole, nut etc. rotate the handwheel by hand, then the screw pole drives the nut and gate board move in horizontal to and fro to open or close the valve.

螺旋闸门工作原理 working principle 主要由框架、闸板、丝杆、螺母等零件构成，用手转动手轮使丝杆带着丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的。

Moreover, sum up the modeling method and step for tap;The paper focus on the tapping speciality of screw tap, and the influence between geometrical parameters and cutting performance, targeting the minimum tapping and axial force, the optimum design of geometrical parameters is done, especially the flute shape.

论文重点研究了螺旋槽丝锥的攻丝特性及其几何参数对切削性能的影响，基于最优设计原理建立了攻丝扭矩最小及轴向力为零的双目标非线性优化模型，并利用Matlab软件，对螺旋槽丝锥的几何参数，尤其是丝锥容屑槽槽形，进行了优化，根据优化结果建立了丝锥的三维CAD造型。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失