SFD-300II detector mounted as such has already had rain protection capacity, so rain protection cover is not necessary in general case.
这样安装的SFD-300II型探测器已具有防雨性能，因此一般情况下可不加防雨罩。
In the paper, a high efficient 3D MD algorithm for SFD was presented.
提出一种高计算效率的三维分子动力学算法。
We present firstly the concept of body, and establish the theory and algorithm of the SFD based on the body.
本文首次提出了集团的概念，并深入地研究了基于集团的系统级故障诊断的理论与算法，获得了一系列很有意义的研究成果。
The nonlinear character of a rub-rotor system with SFD is analyzed in this paper.
本文研究了有挤压油膜阻尼器支承的转子系统碰摩响应的非线性特性。
To check whether there's a team near you, try the team page on the SFD wiki.
你能通过点击SFD wiki上的团队表来检测在你附近是否有团队。
The plan will be agreed with forestry authority designated by SFD, to be implemented during the project life.
该计划将在项目的有效期内，取得陕西林业局所指定的林业当局的同意，才能得以实施。
Experimental results confirmed that FOM value is an important parameter for SFD crystal.
计算结果表明，晶体的FOM值对自倍频性能的影响是非常重要的。
The considerable majority of collisions occur very early in the frame, often before the SFD.
绝大多数的碰撞发生在讯框的非常早时期，常常在SFD之前。
The SFD theory can explain the features of AL.
以历代温病学家有关伏气温病的理论为指导，结合AL的临床特点，解释AL的发病规律，在小儿为胎毒，在成人为伏邪。
Using theoretic and experimental methods, the characteristics of oil film of ERSFD including the distribution of pressure field, the stiffness and the damping, and the influence factors on them were investigated.
本文理论研究与实验研究紧密相结合，用与SFD相对比的手法，研究了ERSFD的油膜压力埸分布和大小、油膜刚度和油膜阻尼等油膜力特性，探讨了对油膜力特性的影响因素以及ERSFD设计依据。
SFD designed to provide proper amounts of damping and stiffness to alleviate the problem of vibration arc used extensively in almost all high-speed rotating machines, such as aeroengine.
挤压油膜阻尼器（SFD，Squeeze Film Dumpers）因减振效果显著，目前广泛应用于航空发动机等高速旋转机械中。
With the increase of the climbing angle of an aircraft, the responses of rotor-SFD system alter from a periodic solution to a quasi-periodic and then to a chaotic solution.
本文对非光滑非线性系统的光滑处理方法同样适用于所有带阶跃性质的非光滑系统（如开闭裂纹转子系统、碰摩转子系统等）。
SFD could be relieved and the deteriorated changes could be lessened by invigorating Qi.
通过益气，不仅可以直接改善各种病理变化，减轻病情，减少变证，还有助于温病其他治法的发挥，这为古今医家及近年临床和实验研究所证实。
Then, the dynamic characteristic experiments were carried out on a SFD with given experimental conditions and methods. Three kinds of excitation forces were used and the displacement admittance curves were drawn.
首先介绍了挤压油膜阻尼器动力特性计算方法，比较了数值求解的迭代计算法和曲线交点法的优缺点；其次设计了一种挤压油膜阻尼器试验台，介绍了所设计的实验条件和方法，并进行了动力特性试验研究，得到了3种激振力幅值下的位移导纳曲线。
Reynolds equation, energy equation and lubricant state equation are solved by using variational finite element method to analyse the heat balance problem of SFD. With the help of matrix method and mathematical tranaformation, it is possible to solve Reynolds equation once only for calculating all those eight dynamic coefficients. This makes the program very simple and greatly saves the CPU time.
利用变分有限元法，通过联立求解Reynolds方程、能量方程及滑油状态方程，对油膜阻尼器的热平衡问题进行了分析计算，并经矩阵运算和数学变换，使得只解一次Reynolds方程就能得到挤压油膜阻尼器的动特性系数，大大缩短了计算机时。
New-style squeeze film damper with elastic ring (Elastic Ring Squeeze Film Damper, ERSFD) was designed to improve characteristics of the squeeze film force of the SFD.
本文研究了一种新型挤压油膜阻尼器&弹性环式挤压油膜阻尼器（ERSFD）以改善传统挤压油膜阻尼器（SFD）的油膜力特性。
A high efficient oil film damper which is known as elastic ring squeeze film damper (ERSFD) has special dynamical characteristics based on the conventional squeeze film damper (SFD).
弹性环式挤压油膜阻尼器（ERSFD）与传统挤压油膜阻尼器（SFD）相比，在动力特性方面具有一定的特色。
The nonlinear film force in SFD is represented on the basis of π film theory. Consider-ing the acceleration of rotor, the motion equations have been derived. A numerical method is applied to solve the ODEs.
采用π油膜理论表示SFD中的油膜力，推导了在加速情况下转子系统的运动微分方程，并采用数值方法对运动方程进行了求解。
Spin flash drier (SFD), which combines drying and fluidization technology, was introduced into China in 1980s.
旋转闪蒸干燥装置是国外八十年代推出的、将干燥技术和流态化技术综合为一体的一种干燥设备。
This paper analyze three principal parameters to effect the performance of concentric pattern squeeze film damper (called SFD for short). The three parameters are the retainer spring stiffness S, bearing clearnace C and unbalance moment Q.
对影响同心式挤压油膜阻尼器件能的三个主要参数，即弹性支座的刚度S，油膜半径间隙C和转子系统的不平衡量Q进行了分析。