通过与已报道环氧木脂素类化合物碳谱数值比较,得到了木脂素羟化和苷化位移效应规律。
The rule of hydroxylation and glycosidation shift effects on bisepoxy lignans were obtained by comparing the information of 13C NMR with known analogous.
采用考虑时间和位移效应的土压力模型和基于现场实测资料的反分析方法来分析土体受力特性,是简单且行之有效的。
It is a simple and effective way to analyze soil mechanical properties by means of earth pressure model considering time-displacement effect and back-analysis based on site test data.
其位移效应规律对于双环氧四氢呋喃木脂素的结构确定,尤其糖的连接位置和羟化位置的指定,提供了一定的判断依据。
The rules of displacement provided suggestion for the confirmation of double-tetrahydrofuran lignans, especially the position of hydroxylation and glycosylation.
分析了在直接频率调制下,激光二极管中的光反馈效应,探讨了振动微小位移和速度的理论模型。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
对于标准线性固体,由于弹性滞后效应,虽然位移分量也随时间而增长,但它将趋于某一极限值。
For standard linear solids, because of the effects of retarded elasticity, although the displacement components will also increase with time, they will tend to their limit values.
本文采用散斑干涉理论研究固体表面面内位移测量的激光多普勒效应方法。
The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect.
非电离能损(NIEL)引起的位移损伤效应是空间装置失效的原因之一。
The displacement damage effects due to Non-ionizing Energy Loss (NIEL) is one reason of device-malfunction in Space.
此外,笔者还对造成断裂位移模式复杂化的两种主要因素——岩性变化与剖面效应进行了探讨。
Moreover, the author discussed two main factors, i. e. lithological variation and section effect, which are thought to have resulted in the complexity of fault displacement model.
在坡面的一定区域内,两个方向的位移同时达到最大值,从而表现为一种向外的抛掷效应。
Within a certain region in the slope, the displacements in both directions are reached maximum at the same time. Thus it performs as a kind of thrown outward effects.
模拟了开挖面空间效应,获得了距开挖面不同距离处的位移释放系数。
Based on the simulation of the space effect of the working face, the coefficients of displacement relieving at different places from the face are obtained.
采用三维数值模型模拟土体水平位移条件下被动桩的成拱效应。
Three dimension numerical model was set up to discuss the soil arching effect of passive piles due to soil lateral displacement.
研究了利用运动光栅的多普勒效应进行切向位移的遥测技术。
A remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
根据所提出的位移模式,结合虚功原理推导出组合梁剪力滞效应微分方程以及相应的边界条件。
A set of difFerential equations and the corresponding boundary conditions are derived according to virtual work principle and the longitudinal displacement patterns.
基于光的偏振特性、马吕斯定理和法拉第旋光效应,采用同光源双光路检测,实现了大量程直线位移的测量。
Based on characteristics of optical polarizing, Malus law, and Faraday optical rotation, a long-range displacement detector is realized by same light source and double light route.
“高规”通过扭转周期比和扭转位移比双重控制指标对结构扭转效应进行控制。
JGJ3-2002 controls the structural torsional effect with torsional period ratio and torsional displacement ratio these two indexes.
利用压电材料的正逆压电效应,建立了压电微位移作动器的设计模型。
A design model was developed for a piezoelectric micro-placement actuator based on the actuation effect of piezoelectric materials.
根据空间薄壁结构理论并考虑简体结构的剪力滞后效应建立了简体结构的位移试函数表达式。
According to the spare thin-walled structure theory, the displacement trial functions are given by taking the "shear lag effect" into account.
在二维情况下,忽略热扩散效应,利用汉克尔积分变换法和最陡下降法,求解热扩散方程和波动方程,得出了位移的解析表达式。
The thermal equation and wave equation are solved by the methods of Hankel transform and steepest descent, and the general expression of displacement is obtained.
该传感器利用磁致伸缩效应和超声效应二者的结合达到位移测量目的。
The transducer utilizes a combination of magnetostriction effect and ultrasonic effect for the displacement measuring.
在进行地震反应分析过程中,考虑了桩土相互作用、动水作用和行波效应等因素对结构内力和位移反应的影响。
In the course of the seismic response analysis, considered the influence of the pile-soil interaction, water dynamic effect and traveling-wave effect to the seismic response of the bridge.
提出了一种基于霍尔效应的岩土地下位移测量新方法,能够测量岩土地下位移的大小和方向。
This paper proposes a new method of measurement of underground displacement based on Hall effect, with which the quantity and direction of underground displacement can be measured.
其内容包括“MBJ—1边坡无线监测仪”及“MW—1霍尔效应双向数字式位移传感器”两部分。
MBJ-1 wireless slope monitor and MW-1 Hall Effect Duplex Digital Displacement Transducer.
利用TPXO6全球海潮模型和中国东海和南海潮汐资料研究了近海潮汐效应对我国沿海部分台站负荷位移的影响。
The load effect of local tide on displacement at some coastal stations in China is investigated by using the global ocean tide model of TPXO6 and local tide data over the East and South China seas.
利用此效应,可以实现纳米分辨位移测量和回馈镜运动方向的识别。
On this effect, the nano meter displacement measurement and direction judgment can be realized.
在模型中,通过引入一种新的截面位移模式和节点自由度,考虑了剪力滞后效应的影响。
A new cross section displacement function and degree of freedom of nodes are introduced and improved which consider the effect of shear-lag.
利用激光多普勒效应实现固体面内位移测量时,由于散射光的多普勒信号十分微弱,有时还出现淹没或不连续,影响位移测量精度。
In the displacement measurement system of scattering surface laser Doppler effect, the measuring accuracy is affected by the weakly Doppler signal that may be lost or discontinuous.
本文介绍一种新的测试方法,利用光栅运动的多普勒效应,实现速度或位移测量的单光栅测量系统。
A new testing method is introduced in the paper, the speed and displacement single grating measuring system has been realized by using Doppler effect of grating moving.
液晶微位移传感器的工作原理是以负介电各向异性的向列相液晶材料的动态散射效应为基础的。
The operation principle of a liquid crystal micro-displacement sensor is based on the dynamic scattering effect in the negative dielectric anisotropic nematic liquid crystal.
研究了反常色散位移光纤中高阶孤子压缩效应与平坦sc谱的产生。
SC generated in anomalous dispersion region of dispersion-shifted fibers by use of compression effects of higher-order soliton is studied.
研究了反常色散位移光纤中高阶孤子压缩效应与平坦sc谱的产生。
SC generated in anomalous dispersion region of dispersion-shifted fibers by use of compression effects of higher-order soliton is studied.
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