It is assumed that there is an "effective bed velocity" on the bottom which determines the erosion and deposition of the bed.
说明底部有一个“作用流速”，才产生底床的冲刷与淤积。
The preconditioned fastest descent means in inversion achieves simultaneous in - versions of overlying-bed velocity and refractor depth.
反演过程中利用具先决的最速下降法，可解决覆盖层速度和折射界面深度同时反演问题。
To prevent clogging of the pressure tap by fine solids gas is bled into the bed at low velocity at the taps .
为了防止测压管嘴被微细颗粒堵塞，在管嘴处以低流速向床内注入气体。
The effects of fluidization number, injection velocity, particle mean diameter and static bed height on jet fluctuation are discussed.
研究了流化数、射流初始速度、颗粒平均粒径及静态床层高度对射流脉动特性的影响。
With increase of bed height, air pressure and power consumption rise, expansion ratio of the bed decreases, but the density stability and critical fluidized velocity of the bed are hardly changed.
随着床层高度的增加，所需风压及功率增大，膨胀率有所降低，而床层密度的稳定性和起始流化气速几乎不变。
The string bed in a longer frame generates more spin due to increased velocity.
因为较长的球拍可以产生较快拍头速度，所以给球的旋转也越强。
On the basis of freeboard phenomenon in curve way and the improvement of curve flow velocity, this paper gets a useful calculating method of bed roughness.
本文基于弯道超高现象以及弯道流速计算的改进，得出了一种较为实用的泥石流沟床糙率计算方法。
In this paper, the crossing bars are generalized as a model at first, the dynamic pressure distribution, the velocity distribution and the bed shear stress are measured through flume experiments.
本文首先对河流中的浅滩进行概化，通过水槽试验测出了浅滩上水流的动水压力分布、流速分布和床面剪应力沿程变化。
This paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.
本文介绍了流化床中床料空隙率，气泡尺寸，气泡上升速度沿床高变化的试验结果，提出了相应的无因次关联式。
Then, the calculating method of initial scour velocity of bed sand around submerged spur dikes is suggested.
在分析基础上，提出了漫水丁坝坝头床沙起冲流速的计算办法。
The variation of gas holdup with gas velocity, column diameter, solid concentration, static bed height and gas distributor was studied in slurry bubble columns with three different diameters.
用三种不同直径的浆态鼓泡塔研究气速、塔径、固相浓度、静止床层高度和气体分布器等对气含率的影响。
The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.
细致地模拟了荆江卵石夹沙河床及沙质河床浅滩河段的水面线、流速场、含沙量浓度场及河床变形。
The effects on solids holdup of heat exchanger tube, bed height, static pressure drop and average solids holdup of inlet chamber by superficial velocity were studied in different main distributors.
在不同结构形式的主分布器条件下，研究了表观液速对换热管中固含率、下管箱内床层高度、静压降及平均固含率的影响。
The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.
本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。
The change laws and influential factors of the minimum spouting velocity of a rectangular spouted bed with double nozzles were studied with air as spouting medium.
在双喷嘴矩形喷动床内，以空气为喷动气体，研究了最小喷动速度的变化规律和影响因素。
A comparison of VFB and CFB indicates that VFB has lower minimum fluidization velocity, higher bed voidage and more steady fluidization because big bubbles can not be formed in the bed.
由于床层中没有大气泡生成，与普通流化床（CFB）相比，VFB具有更低的初始流化速度和更大的床层空隙率，而且流化稳定。
According to the special structure of the differential velocity bed, a simulation calculation of the coal combustion and the physical and chemical process was carried out by the cell model.
针对差速循环流化床的结构及特有形式，采用小室模型的方法，对炉内煤的燃烧及其物理、化学反应过程进行了相应的仿真计算。
Based upon above research, effects on the mass flow rate of powders of inventory of powders, fluidization gas velocity, reaction gas velocity and void of packed bed are discussed e.
讨论测量细颗粒质量流率的方法，以此为基础研究了细颗粒藏量、流化气速、反应气速及固定床的空隙率对细颗粒质量流率的影响。
The experiment shows that the minimum spouting velocity was related to the particle sizes, bed height, and operational temperatures.
实验表明，双喷嘴矩形喷动床的最小喷动速度与颗粒粒径、床层高度及操作温度有关。
Wushishan iron ores can improve the sintering bed permeability and increase vertical sintering velocity, and decrease production cost of sinter.
乌石山矿可以改善烧结过层的透气性，提高垂直烧结速度并降低烧结矿的生产成本。
The effects of reaction temperature, concentration, space velocity etc. on the activity and selectivity of the catalyst as well as its thermal stability were examined in fix bed reactor.
在固定床上，考察了反应温度、浓度、空速等对催化剂活性和选择性的影响及催化剂的耐热稳定性。
In the KDF filter, effect of contact reaction time, filter bed height, and filtering velocity on lead and mercury removal was studied.
以KDF为滤料，研究了接触反应时间、滤层高度和滤速对铅和汞去除效果的影响。
The result shows that selection of suitable contact reaction time, filter bed height, and filtering velocity may result in efficient removal of lead and mercury.
结果表明，选择合理的接触反应时间、滤层高度和滤速能有效去除微污染原水中的铅和汞。
Meanwhile, the change of the bed height does not affect the critical air velocity when the particle size of arenaceous quartz is fixed.
而在粒度一定的情况下，床层高度的变化不影响临界流化速度值。
The method of the two-channel optical fiber reflecting for particle velocity measurement was adopted to get the time sequence signal of moving particle velocity in the fluidized bed.
实验采用双光纤反射式速度测量原理，获得颗粒速度的时间序列信号，通过对双通道信号的互相关分析获得取样点的颗粒速度；
Particle velocity distribution in the bed was measured to investigate the influence of manufacturing conditions and structure of the bed.
测量了床内颗粒速度分布，考察了操作条件、体系结构等因素对流化床流动特性的影响。
The experiment reveals that the variation of UFE numbers is only dependent on the volume-specific deposit of filter, the effects of filtration velocity, bed depth and ALT ratio are not evident.
不同滤层厚度、滤速和加药比ALT等条件下的过滤试验结果表明：滤层中单元滤床的特征尺寸的变化仅与空隙率有关。
Train velocity has little influence on the dynamic stress and dynamic deformation of subgrade bed, but has obvious influence on vibrating velocity and vibrating acceleration.
列车运行速度对振动速度、振动加速度的影响比对动应力、动变形的影响更显著。
Train velocity has little influence on the dynamic stress and dynamic deformation of subgrade bed, but has obvious influence on vibrating velocity and vibrating acceleration.
列车运行速度对振动速度、振动加速度的影响比对动应力、动变形的影响更显著。
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