The coiled coil is a motif in a variety of natural proteins.
卷曲螺旋 (coiledcoil)是存在于多种天然蛋白质中的结构模式 。
With 10 heptad repeats, the Sl NPV P10 protein is probably forming a relatively large coiled coil structure.
ＳｌＮＰＶＰ１０蛋白含有１０个七肽重复单元，可形成１个相对较长的卷曲螺旋。
With 10 heptad repeats, the SlNPV P10 protein is probably forming a relatively large coiled coil structure.
ＳｌＮＰＶＰ１０蛋白含有１０个七肽重复单元，可形成一个相对较长的卷曲螺旋。
The analytic geometry modeling and CAD drafting of nonprismatic helical curved surface;
变截面螺旋曲面的解析几何建模与CAD绘图
A basis of the workpiece rotation and the change coordinate and helical angle of tool was presented,based on machining principle of helical curved surface.
文章在研究螺旋曲面的加工原理的基础上,提出以工件旋转、刀具的坐标变化以及刀具的螺旋角度变化为基础,按空间包络法计算刀触点轨迹,由四轴插补形成了刀具沿螺旋线方向的进给运动,从而实现了前后两个加工截面之间的螺旋位置关系。
The architecture of compicated helical curved surface NC machining integrated system based on general personal computer is introduced and main functions of each module are discussed in this paper.
文章介绍了一种基于通用PC机的复杂螺旋曲面数控加工集成系统的体系结构及其各模块的主要功能,从界面集成、数据集成和算法集成几方面阐述了系统的开发方法。
Research of a Special Helical Surface and Its Conjugate Surface
一种特殊螺旋曲面及其共轭曲面的研究
Research on the Theory & Technology of Measurement for Characterized Curves of Complex Helicoidal Surfaces;
复杂螺旋曲面特征线测量的理论与技术研究
Research on the Processing Principle and Technology Method of Numeric Control Boring of the Inner Spiral Surface;
内螺旋曲面数控镗削加工原理及工艺方法研究
Study on Auto-programming Technique in CNC Form Grinding of Spiral Surface;
螺旋曲面数控成形磨削自动编程技术的研究
Study on Manufacturing Technique of the Inner Helical Surface
内螺旋曲面包络刨削加工位置的计算研究
Design on Contour of Milling Cutter in Machining Complex Spiral Curved Surfaces
复杂螺旋曲面铣削加工刀具的廓形设计
Numerical Control Manufacture Technique and Equipments Research about Stator of the Screw Pump;
螺杆泵定子内螺旋曲面数控制造技术及装备研究
On Approximate Development of Straight Grained Helicoids;
三角形等面积法在直纹圆柱螺旋曲面近似展开中的应用
Research for Milling with Non-instantaneous-pole Envelope Theory Applying Technology of Complex and Abnormal Helical Surface;
复杂异形螺旋曲面无瞬心包络铣削理论及应用技术研究
helical curve [ line ]
螺旋曲线螺旋(取向)照相
Helicoidal Surfaces and Pseudo-umbilical Surfaces in Minkowski 3-space;
三维Minkowski空间中的螺旋面和伪全脐曲面
Comparation of Spiral Computed Tomogarphy and Orthopanto-mogarphy in implant procedure
螺旋CT和曲面断层在种植术中的比较
Difference Surface Model Establishment and Simulation in Spiral Bevel Gear
螺旋锥齿轮差曲面模型的建立与仿真
The Anatomical Study of the Facial Nerve Canal Using Curved Planar Reformatted of Computed Tomography;
面神经管多层螺旋CT曲面重建的解剖学研究
Analysis of Archimedean spiral antenna using moment method with curved segmentations
曲线分段的矩量法分析阿基米德平面螺旋天线
Surface Modeling and Cutter Location Planning of Marine Propeller with 5-axis Machine Tools;
船用螺旋桨曲面造型及五轴数控加工刀位规划
Multi-slice Spiral CT with Curved Planar Reformations in the Evaluation of Ampullary Carcinoma
多层螺旋CT曲面重组技术对壶腹癌的诊断价值
The application of multidetector CT curved planar reformations on intestinal diseases
多排螺旋CT曲面重建在肠道病变的应用