0 Hz for protons at C-3/C-9(zigzag coupling).
通过2D NMR技术对5个2,4,8,10-四卤代-6-硫-12-H-双苯并[d,g][1,3,2]-二氧磷杂八环的1H和13C NMR信号进行了准确的归属,获得了所有芳环碳原子的P-C和部分质子的P-H偶合常数,3/9位质子的5JPH属于折线型偶合,偶合常数为0。
A folded dipole antenna is used as the antenna,which configuration is simple and input impedance can be achieved easily.
0和Matlab软件分析有限尺寸金属片对折合偶极子天线性能的影响。
Through theoretical analysis and numerical simulation, the pattern reconfigurable feasibility of the structures of butterfly、folded dipole and double-feed is analyzed.
本文通过理论分析和软件数值仿真,分析了蝶形结构、折合偶极子结构以及双馈方式实现方向图可重构的可行性。
Magnetic Coupler Transmission and Application in the High Fluid Pressure Facilities,;
磁力偶合器在高压条件下的应用
Finite-element analysis of impeller strength for YO750 hydraulic coupling
YO750液力偶合器叶轮强度有限元分析
The advantage and disadvantage of existing 4000-meter oil-rig transmission were analized,combine the characteristic of hydraulic transmission,the YO750,7503 hydraulic coupling transmission had been developed,which have higher efficiency recently,the oil-rig transmission efficiency were improved 14 percent,the oil consumption is greatly lower,the life of engine and transmission is also improved.
通过对现有40钻机传动装置的优缺点进行分析,结合液力传动的特点,相继开发了高效率的YO750、YO7503液力偶合器传动箱。
inadjustable hydraulic coupling
不可调节液力偶合器
Fluid coupling--Types and basic specifications
GB/T5837-1993液力偶合器型式和基本参数
Correcting Original Characteristic of a Fluid Coupling by Accurately Controlling
液力偶合器精确控制下原始特性修正
Oil Pump Flow Rate Selection of Variable Speed Fluid Coupling
调速型液力偶合器液压泵排量的选取
A New Type of Energy-saving Environmental Protection Outside Limit Moment Centrifugal Coupler
一种新型节能环保限矩外离心偶合器
Fault Analysis and Treatment of YT62 hydraulic coupling
YT62型液力偶合器故障分析及处理
Finite-element analysis of impeller strength for YO750 hydraulic coupling
YO750液力偶合器叶轮强度有限元分析
Simulation and Analysis of Fluid Structure Interaction for Impeller of Hydrodynamic Coupling
液力偶合器叶轮与流体的流固耦合模拟与分析
The operational principle of a velocity modulated hydraulic coupler and its application mechanism in a belt conveyor are introduced.
介绍了调速型液力偶合器的工作原理，及调速型液力偶合器在带式输送机中的应用机理。
Study on Fluid Force and Velocity-adjusted Assembly;
调速型液力偶合器软启动装置特性的研究
Research on Regulation and Control of Variable Speed Fluid Couplings in Dual Engines Drive System;
调速型液力偶合器双机驱动系统调控技术研究
Fluid Coupling Hydrodynamic Calculation Method and Simulation on the Combined Working Characteristic;
液力偶合器液力计算法及共同工作特性仿真
Study of Efficient NC Machining Technology of Hydrodynamic Coupling Shell;
高效液力偶合器外壳数控加工工艺的研究
TO TEST STEP S EFFECTS ON CHARACTERISTICS OF A CONSTANT FILLING FLUID COUPLING;
挡板对一种限矩型液力偶合器特性影响的试验
Design of Variable Speed High-power Hydrodynamic Coupling Based on CFD
基于CFD的大功率调速型液力偶合器设计
Study on Impeller Strength and Vibration Feature of Variable Speed Hydrodynamic Coupling
调速型液力偶合器叶轮强度与振动特性研究
Application of NC Machining in Holes Machining of Hydrodynamic Coupling Pump Wheel
数控加工在液力偶合器泵轮孔系加工中的应用
Development of variable speed coupler reduction box for drilling machine in oil-field
油田钻机用调速型偶合器减速箱的研制