The research on the machining simulated system of straight slot continuous cutting;
直槽连续切削加工仿真系统的研究
Influence of gravity on secondary flow of particle phase in a square duct;
直方槽道中重力对颗粒相二次流的影响
The mechanic model of empty space's formation was established based on the typical bore distribution in parallel cut blasting with cavity.
建立了典型空孔直眼掏槽的力学模型,从理论上得出了影响空孔直眼掏槽效率的影响因子为岩石的抗拉强度、抗压强度、岩石初始密度、岩石中纵波的传播速度、炸药的性质、空孔半径、空孔到掏槽孔的距离、崩落孔与掏槽孔的起爆时差;选择了其中对工程有实际意义的4个参数进行27次正交试验。
The physical behavior of cut holes in the course of forming empty space was analyzed; and the mechanic model of empty space’s formation was established based on the typical borehole distribution in parallel cut blasting with cavity.
空孔直眼掏槽是隧道或井巷掘进的主要方法之一。
Application of burn cut to tunnel soft rock construction and blasting parameters optimization;
直眼掏槽在隧洞软岩施工中的应用及爆破参数优化
Through research on tunnel-based triangle burn cut by in-situ test,it is assumed in this paper that the process o f cavity formation by explosive contains two successive stages,rock being broken and being thrown out.
通过对三角柱直眼掏槽爆破进行试验研究 ,认为爆破槽腔的形成过程可分成两个阶段 ,即岩石破坏阶段和破碎岩石抛出阶段 ;进而 ,依照岩石压缩破坏与剪切破坏的力学准则 ,导出三角柱直眼掏槽炮眼间距与装药系数的计算式 ;根据计算结果 ,在井下巷道工程实际应用中进行对比 ,证实了它的可靠性。
The comparison between the spiral sheave of the two different spiral horns and straight sheave was analyzed.
将两个不同螺旋角的螺旋槽轮和直槽轮进行了比较研究。
spiral flute machine reamer with straight shank
螺旋直柄槽机用铰刀
Conclusion The gauge improve the accuracy with individual straight wire bracket position table.
结论新型直丝弓托槽定位器结合个体直丝托槽定位表,可明显提高托槽垂直置入的精度。
A vertical pipe for carrying rainwater down from a roof gutter.
水落管从屋顶水槽接下的竖直导水管
Effect of Particle Size on Avalanche in the Chute;
颗粒直径大小对凹槽颗粒崩塌的影响
Method of Weakening Cogging Torque of Permanent Magnet Brushless DC Motor
永磁无刷直流电机齿槽转矩削弱方法
Methods to Reduce the Cogging Torque of PM Brushless Motors
永磁无刷直流电动机齿槽转矩的削弱
Analysis on Verticality of Trench Forming by SANY SH400 Hydraulic Diaphragm Wall Grab
SH400型连续墙液压抓斗成槽垂直度分析
Study on the Slot Effect of Permanent Magnet Synchronous Linear Motors
永磁同步直线电机分数槽绕组谐波分析和齿槽力研究
Tolerance comparison between patients with self-ligating brackets and conventional straight wire brackets during initial alignment
自锁托槽与传统直丝托槽初戴后患者耐受性的比较
Top view of fillister head screw. Selection box represents thread diameter.
槽头螺钉的俯视图。选择框代表螺纹直径。
Top view of posidriv screw. Selection box represents thread diameter.
十字槽螺钉的俯视图。选择框代表螺纹直径。
Top view of fluted socket head set screw. Selection box represents thread diameter.
凹槽插口螺钉的俯视图。选择框代表螺纹直径。
Slide and tap in reservoir retainer clips until tab locks to housing.
滑动并敲击贮油槽扣件夹，直至凸耳锁紧外壳。
Top view of roundhead slotted screw. Selection box represents thread diameter.
圆头一字槽螺钉的俯视图。选择框代表螺纹直径。
Top view of panhead slotted screw. Selection box represents thread diameter.
平头一字槽螺钉的俯视图。选择框代表螺纹直径。
Top view of slotted head set screw. Selection box represents thread diameter.
一字槽头螺钉的俯视图。选择框代表螺纹直径。
Top view of countersunk slotted screw. Selection box represents thread diameter.
埋头一字槽螺钉的俯视图。选择框代表螺纹直径。