本文从优化盾构推进参数和同步注浆等方面,就如何控制沉降进行了初步的探讨。
This paper from the optimizing shield thrusting parameters and synchronous grouting etc. discusses how to control the subsidence.
基于田间实测的地表水流推进过程,利用水量平衡法推求波涌灌溉间歇供水条件下的土壤入渗参数。
Based on water flow advance data observed in fields, infiltration parameters under surge water application were determined with water balance method.
通过激光雷达数据反演林木参数,特别是树高,将极大地推进激光雷达在林业上的应用。
Forest parameters, especially forest height, can be inverted from Light Detection And was processed task, Ranging (LiDAR) dataset, which should promote the applications of LiDAR in forestry.
对燃料喷入时的燃烧室温度、压力及推进剂余氧系数等工作参数进行了试验研究。
The effect of the combustor temperature, pressure and coefficient of residual oxygen was experimentally investigated when the fuel was injected into the combustor.
本文分析了盘面比、叶数、整体螺距角、周期螺距角、纵倾角、叶剖面形状等主要参数的变化对全方向推进器水动力性能的影响。
Analyze the influence of main parameters including exp. area ratio, blade number, collective pitch angle, section shape, cyclic pitch angle and rake angle on the performance of VVP.
本文选取地震活动图像演化和地震学参数变化两项指标,采用有时间段的时空扫描进行演化研究,逐步将这种演化研究推进到短期阶段进行跟踪研究。
Tracing research of the earthquake activity was made in this paper using the time-space scanning by selecting the two indexes of the seismicity pattern evolution and seismology parameter change.
一般用空载速度、最大推进力、效率及其他一些参数来表征压电线性马达。
In general, the piezoelectric linear motor is defined by no load velocity, the maximum thrust force, efficiency and other parameters.
在真空环境下,用氩为推进剂,得到了不同工况下发动机的性能参数。
In vacuum environment, the performances of the arcjet were tested under several conditions with argon as the propellent.
膏体推进剂的点火和燃烧特性是发动机设计的重要参数。
The ignition and combustion characteristics of pasty propellant are important parameters for the motor design.
试验系统包括真空模拟系统,供电系统,推进剂供给系统,参数测量系统和发动机本体。
The experimental system includes a vacuum simulation section, power supply section, propellent feed section, parameter measurement section and an arcjet.
推进剂的羽焰温度是固体推进剂火箭发动机的重要参数,对于研究发动机内的燃烧过程具有重要价值。
The plume temperature is an important parameter, for solid propellant rocket engines and it is useful for determining the combustion process of the engine.
寻求流体动力学参数、介质性质对止回阀性能的影响关系,以推进我国钻柱止回阀研究理论和技术进步。
For fluid dynamics parameters, media properties of check valve performance relationship in China, in order to promote the drill string check valve research theory and technology progress.
综上所述,三参数VFD模型能够很好的反映推进剂的粘弹特性,将它用于固体发动机动力学分析,可以得到药柱在时域和频域内的动态响应。
As mentioned above, three parameter VFD model can characterize the viscoelasticity of solid propellant. Applied it to SRM dynamic analysis, time and frequency domain response can be calculated.
推进剂松弛模量主曲线及W.L.F。方程参数的拟合处理。
Fitting of relaxation modulus master curve for solid propellant and W. L. F. equation parameters.
然后令计算网格随叶栅振动而振动。时间推进计算到流场参数随时间作周期性变化,振幅、相位稳定为止。
Time marching is continued until the calculated parameters vary with time periodically with stable amplitudes and phases of vibration.
为了验证模型参数的准确性,对推进轴系进行了脉冲激励试验。
For verifying the accuracy of the model parameters an impulse excitation test was performed.
在固体推进剂bdp燃烧模型基础上,引入膏体推进剂燃烧热效应这一新参数将模型推广于膏体推进剂和固体推进剂药浆燃烧研究。
In this paper, a new parameter named slurry combustion effect was induced for applying solid propellant BDP model for prediction of pasty propellant and slurry propellant steady combustion behavior.
贫氧推进剂燃速是固体火箭冲压发动机设计和性能分析的重要参数,也是对推进剂配方进行检验验收的主要指标。
The burning rate of the fuel-rich propellants is the parameter which is important for Ducted Rocket design and performance analysis and is main inspection criterions of propellant prescriptions.
掘进机推进液压缸的推压力是确定掘进机推进液压缸缸数和液压缸大小的主要设计参数,也是确定掘进机工作中推进力大小的依据。
The thrust of crowd cylinder on tunneler is the main design parameter to determine the number and dimension of crowd cylinder on tunneler and the basis to determine propelling force of tunneler work.
本文对应用线性变参数(LPV)系统算法的船舶运动与柴油主机推进联合控制进行了系统的研究。
The integrated control of ship motion and main engine propulsion based on linear parameter-varying (LPV) is systemically studied in this dissertation.
然后将所测得的应力应变行为与经人工时效的推进剂拉伸试验测得的物理参数建立起相应的关系。
This measured stress strain behavior is then co-related with the physical properties measured by routine tensile tests of the similar type of propellant which is aged artificially.
本文基于舰艇柴油机的推进工况,研究通过测试一组稳态参数,建立物理和数学模型,获取缸内示功图。
Based on the propulsive conditions of the diesel engines of naval ships, a series of steady parameters are measured and discussed and the mathematical and physical modes are built in this paper.
装有全回转推进器模型自航试验,在舵桨优化角下,完成吃水状态全附体模型自航试验,确定船桨相互作用参数。
With the optimization rudder and propeller, self-propelled experiment was done to determine the interacting parameter between the rudder and propeller.
作者选择弥散数作为特征小参数,用奇异摄动法求得了溶质浓度在全流场的渐进解析分布,着重考察了各种因素对浓度前沿推进过程的影响。
Then, we chose the dispersion number as a characteristic minor parameter, solved the problem and obtained the asymptotic analytical solutions of solute concentration by singular perturbation...
对微型机器人运动学和动力学方程进行了求解,通过坐标图分析了微型机器人的形状参数和游动参数对微型机器人游动推进速度和游动推进力的影响。
According to solving the equations and using coordinate graphs, the influences of shape and swimming parameters on the swimming speed and propulsion are studied and analyzed.
对推进剂多孔床中不同速度的致密波进行了计算,得到了致密波区内的参数分布。
The model is used to analyze steady compaction waves in a porous bed of high-energy solid propellant. The parameters of compaction zone are obtained from the model.
研究表明,注浆参数是影响盾构推进变形的主要因素。
The results show that the grouting parameters are key factors influencing the deformation of shield tunnel.
基于得到的数据,结合给定的政策框架对新农保政策推进中参保人数、覆盖率以及中央财政支出等重要参数进行仿真。
Based on the data, combining the policy framework that was given, the article simulates the number of insured, percentage of policy cover and the Central Financial payments.
提出用参数辨识确定推进剂中钾、钠杂质含量以及后燃对喷焰微波衰减影响程度的方法。
An identification technique was presented for estimating the impurity level in propellant and the properties of exhaust afterburning, which can not be measured simply by experiment.
关于嫦娥一号的寿命,孙泽洲表示,从目前情况来看,“嫦娥”推进剂余量、蓄电池稳定性、温度维持水平等参数都很好。
Concerning the life span of Chang 'e-1, Sun introduced that some parameters such as left propellant, stability of storage battery and temperature maintaining level are all perfect.
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