Concrete mixing and unloading mainly depend on the two spiral mixing leaves, so the design of the helical mixing blades is particularly important.
混凝土的搅拌和卸载主要依靠两个螺旋搅拌叶片，因此螺旋搅拌叶片的设计尤为重要。
The milling machine is often employed to cut spur and helical gears.
介绍了旋片铣削工作原理及其铣刀设计。
It shows the useful value of CFD to diesel helical intake port evaluation.
指出了CFD在评价柴油机螺旋进气道性能中的实用价值。
Gear drawing standards - part 1: for spur, helical, double helical and rack.
齿轮制图标准。第1部分：正齿。螺旋齿。双螺旋齿和齿条。
Alpha helices in biological materials, and design of alpha-helical structures.
在生物材料中的阿尔发螺旋，以及阿尔发螺旋结构的设计。
Deformation of helical buckling appeared on rod during down stroke is also analyzed.
同时分析了下冲程抽油杆所产生的螺旋弯曲变形。
The thrust problem can be overcome by cutting two sets of opposed helical teeth on the same blank.
推力问题，是可以克服的，由切割两套反对的螺旋齿就同一空白。
Then the dynamic stability of the helical equilibrium depends on the eigenvalues in the time domain.
则螺旋线平衡的动态稳定性由时间域的本征值判断。
In truth, Dr Watson, co-discoverer of the double-helical structure of DNA back in the 1950s, had a point.
事实上，在1950年当沃森博士合作发现DNA的双螺旋结构的时候，他的断言的确有一定的道理。
The Gorlov Helical Turbine, as it is known, allows you to use any stream, whatever the direction of its flow.
这个名为佐罗夫螺旋涡轮机的设备可以利用任何水流，不管流向如何。
The stability of the helical equilibrium is analyzed in the fields of statics and dynamics respectively.
在静力学和动力学领域内讨论其平衡稳定性问题。
Conclusion Helical ct demonstrates characteristic features of FNH, it is of great value in diagnosing FNH.
结论FNH在螺旋CT扫描上表现具有特征性，螺旋ct诊断fnh具有重要价值。
The mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
直接把均匀杆纵向振动的数学模型用于弹簧的动力分析。
The group has previously shown that alpha-helical peptides can be imitated by something called a alpha-hairpin turn.
小组之前证明α螺旋多肽能被α发夹旋转限制。
Objective To explore the bowel and ordinary helical tube in critical patients in clinical application and nursing effect.
目的探讨螺旋型鼻肠管和普通胃管在危重症患者中的临床应用及护理效果。
The two helical nanofibers usually change helical senses (helical reversals) at the coil position of the same cycle number.
这两根螺旋纤维经常在相同螺旋圈数的位置同时发生螺旋旋向的改变，即螺旋反转。
Objective To investigate the value of multi-slice helical ct in the differentiation of benign from malignant thyroid lesions.
目的分析甲状腺病变的多层螺旋ct表现，探讨甲状腺良、恶性病变的诊断及鉴别诊断要点。
The stability of the sinusoidal and helical equilibrium states of buckled tubulars is analyzed by energy stability criterion.
根据稳定性准则分析了管柱不同屈曲平衡状态的稳定性；
The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed.
用相平面法分析螺旋线平衡的稳定性，导出解析形式的稳定性条件。
This paper proposed a modified ordered subsets expectation maximization(OSEM) reconstruction based on the direct helical half-scan data.
提出了基于直接螺旋半扫描数据的有序子集期望最大化（OSEM）迭代重建。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
Conclusion The 3d imaging of facial bone fractures provided by Helical ct 3d reconstruction is very helpful for making a correct diagnosis.
结论3d重建能立体地显示面颅骨骨折，结合轴位图像能提高诊断面颅骨骨折的准确性，对临床治疗方案有较大帮助。
The results showed that the buckling configuration was helical curve for the gravitational tubular under the axial compressive force and torque.
结果表明，受压扭组合作用的有重管柱的屈曲构型为上疏下密的螺旋曲线。
In the paper, theoretical mode of revised logarithmic helical curve is discussed carefully, and the methods of calculation and design are also given.
本文对修正对数螺线的理论模型进行了详细的分析，并给出了设计计算的方法。
In the paper, theoretical mode of revised logarithmic helical curve is discussed carefully, and the methods of calculation and design are also given.
本文对修正对数螺线的理论模型进行了详细的分析，并给出了设计计算的方法。
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