dihedral angle
英
美
双面角；反角
双语例句
- Corner Cube Reflector ( CCR) was widely used, but the automatic test of the dihedral angle error of CCR was not realized.
锥体棱镜应用广泛，但其二面角偏差没能实现测量的自动化。 - Cyclobutane exists predominantly in a "butterfly" conformation, in which the dihedral angle between the two wings is about 20 °.
环丁烷主要成蝶式构象存在，其中两翼间的二面角大约为20°。 - The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;
通过衍射图可以看出出射光束的发散程度随着角度误差的增加而增加，直至完全分离成六束光束。 - Using dihedral angle series of protein for protein structure comparison
利用蛋白质的二面角序列对蛋白质结构比对 - By the needing of cutting, the expression of dihedral angle, cutting angle and points in cutting trail can be given.
根据切割需要，给出了用参数方程表示的各相贯线上的点坐标、二面角、切割角以及切割轨迹线的表达式。 - In terms of FFDP and velocity aberration compensation theory, a new method of using dihedral angle offset for compensating velocity aberration in large observation range is put forward.
根据远场衍射模式和速差补偿理论，提出了一种在较大观测范围内二面角速差补偿方法。 - The problem is discussed, that seeks the size of the dihedral angle by seeking to do the edge of the dihedral angle.
讨论了通过求作二面角的棱来求二面角的大小问题。 - There are many helixes of dihedral angle, and the whole skeleton forms a large helix in the structure of the rotatory isomer.
其结构中包含许多二面角螺旋，而且具有旋光性的异构体，其结构的整体骨架也构成一个大的螺旋。 - The deduction of the helix plane equation in molecule and the common applying of dihedral angle
分子中螺旋平面方程的推导与二面角的一般应用 - Vector method can solve the three main problems of solid geometry-vertical, dihedral angle and solid directly and simply. Based on this fact, this article discusses the necessity of introducing vector into solid geometry.
本文从立体几何中三大问题：垂直、二面角、体积用向量方法解决的简捷性出发，探讨向量引入中学立体几何的必要性。 - The determination of dihedral angle is of extensive significance in the fields of metal materials science and metallurgy.
两面角的测定在金属材料、冶金等领域具有广泛的意义。 - One hundred and eighty six NOE constraints from NOESY NMR spectra of 100 ms mixing time and 20 hydrogen bond constraints as well as 32 dihedral angle constraints were added to the initial structure of standard B-type DNA.
计算中以标准B型双螺旋DNA为初始结构，加上螺旋间的20个氢键约束和由核磁共振NOESY谱获得的186个NOE约束，另外还加入二面角约束32个。 - There is the larger dihedral angle between benzene ring and nitro group, which is the common experimental phenomenon and has been clarified with the electronic theory in this paper.
本文还从实验和理论上阐明了硝基与芳环间存在较大夹角是分子结构中的常见现象。 - When the size of particle, sintered time, sintered temperature were input and the equilibrium dihedral angle and sintered mechanism were selected in two-dimensional simulation, the dynamic change of sintered neck was showed.
在进行二维模拟时，输入相应的颗粒大小、烧结时间、烧结温度，并选择不同的平衡二面角和烧结机制后即可进行动态模拟，显示出不同机制下的颈长变化规律。 - The test results indicated as follows: 1. one of the most important factors to influence the hydrodynamic characteristics of otter board was dihedral angle, followed by aspect ratio and sweepback angle.
试验结果证明影响网板水动力性能的最重要的因素是网板板面折角，其次是展弦比和后退角。 - In order to implement a reduction of RCS without any other change on the aircraft, the outline of the pylon is changed by applying a serrated scheme and the right dihedral angle structure is removed, so coupling effect is waken.
为求在不改变机体结构的前提下减缩飞机侧向RCS，采用齿形方案改变了挂架外形，消除了直角二面角结构，削弱了耦合效应。 - The structure of β-HMX, such as bond length, bond angle, dihedral angle, is analyzed theoretically.
从理论上分析了HMX的结构（键长、键角、二面角）。 - The making, adjusting and testing of the corner cube reflector including the measurement and calculation of the dihedral angle errors are presented.
介绍了立方镜的制作、调整及检测方法，偏差角的测量与计算。 - This article gives the volume inequality of higher dimension simplex about interface and dihedral angle, then sets up regular simplex's volume formula which differs from definition.
给出了高维单形与界面有关的体积不等式和与二面角有关的体积不等式，进而建立正则单形的有别于定义式的体积公式。 - From NOE constraints, coupling constants and H/ D exchange rates, the secondary structure and hydrophobic region were located and characterized, and the dihedral angle φ and probability of helical formation were also calculated.
通过NOE效应，偶合常数，H／D交换速率表征和定位二级结构和疏水域，计算两面角φ和螺旋形成几率。 - Dihedral angle offsets are different between theory in this paper and traditional theory. Meanwhile, the difference is variable at different orbital height.
采用角反射器衍射光学理论与采用传统理论所得的卫星角反射器补偿角之间存在差异，这种差异随着轨道高度的不同而发生变化。 - Within a certain range, the variation of the dihedral angle plays an inverse role on the lateral as well as the directional stability as that of the slackness ratio.
在一定范围内，改变上反角对横向和航向稳定性的影响与张开比的作用相反。 - The Visual C++ was adopted to simulate the change of sintered neck, some factors such as the size of particle, sintered time, sintered temperature, dihedral angle and sintered mechanisms were considered during the simulation.
采用Visualc++模拟这三种模型下的颈长变化，在模拟时主要考虑颗粒大小、烧结时间、烧结温度、二面角、烧结机制等因素。 - Determination of its structure shows that the dihedral angle of the two five-membered rings of NTO is 82.42 °, that the ligands contain one water molecule, and the heavy atom ( Pb) is surrounded by six atoms.
结构测定表明，两个NTO五元环平面的二面角为82.42°，有一分子水参与配位，重原子铅的配位数为6。 - Automatic constructing triangular surface and mesh simplification based on dihedral angle.
三角网格模型的自动化建模及基于二面角的网格简化。 - We counted all RNA monomers in the PDB database, as well as analyzed the similarities and differences of dihedral angle distribution for different kinds of RNAs, which is classified according to their functions.
本文不仅对现今PDB数据库中的所有RNA单体进行统计，而且还将这些分子按照功能分类，分析不同类型RNA分子扭转角分布的异同点，从异同分析功能RNA分子的结构特征。 - Based on energy conservation law and surface pressure isotherms, the initial conformations and single point energy of phospholipid molecules were simulated by Gaussian 98 software, and the plots of conformation energy change vs. dihedral angle were established. One possible tack of conformation change was also proposed.
从能量守恒定律和表面特性曲线出发，利用Gaussian98确定了磷脂分子初始状态的构象及其单点能，建立了分子构象能变与分子二面角的关系曲线，并提出了一种可能的构象变化历程。 - With the patches being subdivided, construct new bipartite graph according to the above one. 3. Propose a precision control method of dihedral angle for intersection line computation.
随着细分层次的加深，根据上一层次的二部图进行相交性检测，并建立新的二部图。3.提出以二面角为精度控制方法进行交线计算。