1) settling velocity
沉速
1.
The settling velocity of granular sludge in clean water was proportional to its.
结果表明 ,随着运行时间和水力上升流速 (Vup)的增加 ,颗粒污泥粒径逐渐增大 ,且污泥床下部污泥的粒径大于污泥床上部的 ;颗粒污泥在清水中的静沉速与颗粒粒径成正比 ,二者之间的关系可用Allen公式来描述 ;在扫描电镜下观察发现 ,颗粒污泥表面和内部的细菌均存在着分区生长的现
2.
In order to investigate the influence of vegetation on settling velocity of sediment particles,the involved factors affecting the settling velocity and drag coefficient were reviewed.
为了探求水生植物对泥沙沉速的影响,本文在总结泥沙颗粒在水体中沉降的影响因素及阻力系数规律的基础上,在静水中设置不同直径、不同排列密度的不锈钢圆柱细杆模拟水体中不带分叉的刚性植物,分别测定粒径为0。
3.
By measuring dispersive grains settling velocity in water, the author tries to work out grain diamder in order to provide theoretical basis for water treatment technology.
通过测出水中离散性颗粒的沉速，推求出颗粒粒径，为水处理工艺提供理论依据。
2) deposition rate
沉积速率
1.
Effects of technological conditions on deposition rate and structure of functional Co-B films prepared by electroless plating;
化学镀工艺对Co-B功能膜沉积速率与结构的影响
2.
Effects of deposition rate on surface topography of Ni-Cr thin film deposited by EB-PVD;
沉积速率对EB-PVD Ni-Cr薄膜表面形貌的影响
3.
Influences of process parameters on deposition rate of CVI-TaC;
工艺参数对CVI-TaC沉积速率的影响
3) settlement rate
沉降速率
1.
Based on the experimental results,characteristics of strain changing,void ratio changing,settlement rate changing against time,and the relationship between stress and strain of MSW were studied.
通过室内蠕变-降解对比试验,研究了城市固体废弃物(MSW)的长期变形过程,详细地分析了MSW应变、沉降速率以及孔隙比随时间的变化规律。
2.
Meanwhile, effects of the retention time on the relative resistance, compressible coefficient and settlement rate have also studied.
通过恒压过滤实验研究了净水厂排泥水过滤的难易程度,研究了不同浓缩时间的排泥水对比阻、压缩系数及沉降速率的影响,结果表明净水厂的排泥水颗粒难于沉降,但属易于过滤的,过滤处理前可以不添加助滤剂,得到的滤饼属于高压缩性物料,且净水厂排泥水的比阻、沉降速率与排泥水的沉淀浓缩时间有密切关系,长时间的沉淀浓缩排泥水沉降速度明显降低,但比阻降幅较大,有助于后续机械脱水处理。
3.
To study the computation method for the settlement rate of saturated soft clay foundations,on the basis of the approximate relation of stress-strain consolidation degree of saturated soft clay,a formula for calculating the settlement rate of foundations is derived and the computation method for the settlement rate of saturated soft clay foundations are provided.
为了探讨饱和软粘土地基沉降速率的计算方法,根据饱和软粘土应变固结度与应力固结度的近似关系,推导出地基沉降速率的计算公式,提出了饱和软粘土地基沉降速率的计算方法,所得结果与工程实测数值相符。
4) deposition velocity
沉降速度
1.
Based on the major mechanisms governing particle movement in turbulent boundary layer and the definition of particle deposition velocity,the governing differentiate equation in particle concentration boundary layer and its analytical solution were deduced,and an analytical expression of dimensionless deposition velocity was achieved.
在分析颗粒在紊流边界层中运动机理的基础上,根据沉降速度的定义,推导出了浓度边界层微分方程及其解析解,进而得到了颗粒无量纲沉降速度的解析表达式。
2.
Presents the calculation methods of particle deposition velocity,deposition quantity and penetration rate in smooth ventilation ducts.
给出了光滑通风管道内颗粒沉降速度、沉降量和穿透率的计算方法,对光滑风道内颗粒的沉降规律、风道的过滤作用、风道所需的清洗周期进行了模拟分析。
3.
The deposition velocity of the different sections duct was determined under the different air speeds and the different particle sizes to the straight horizontal sections and the bend sections of the rectangular ductwork(material is zinc-plated steel),and the relationship between them was analyzed.
用滑石粉来模拟气溶胶粒子,对矩形风管系统(材料为镀锌钢板)的直管段和弯管段在不同的风速和粒径下,测定了不同风管表面的沉降速度,分析了它们之间的关系。
5) deposition rate
沉积速度
1.
Effect of electroless nickel plating process for aluminium alloy on deposition rate of the coating;
铝合金化学镀镍工艺对镀层沉积速度的影响
2.
Discussion on the factors affecting the deposition rate of electroless Ni-Cu-P alloy on ABS plastics;
影响ABS塑料化学镀Ni-Cu-P合金沉积速度的因素探讨
3.
Effects of citric acid on electroless Ni-P alloy deposition rate and properties;
柠檬酸对Ni-P合金化学镀沉积速度和镀层性能的影响
6) deposition rate
沉铜速度
1.
The factors affecting the deposition rate of copper and stability of electroless copper plating solution were investigated.
结果表明,优选出的的镀液稳定性相对较高、沉铜速度快、镀层外观较好。
2.
The results indicate that the copper deposition rate decreases with the increase of the concentration of potassium sodium tartrate and EDTA·2Na and plating time, and increases with the increase of the concentration of CuSO4·5H2O and HCHO, pH value and reaction temperature.
研究了酒石酸钾钠(TART)和EDTA·2Na盐双络合化学镀铜体系中各因素对沉铜速度稳定性及镀层附着力的影响。
补充资料：终点沉速
分子式：
CAS号：
性质：分散颗粒自由沉降中的最大沉降速度。它是用牛顿定律和斯托克沉淀定律进行分析，根据颗粒的重力与摩擦力或阻力相等的原理求得。在设计沉淀池时，通常的步骤是先选一个终点沉速为Vc的颗粒进行设计，使所有终点沉速等于或大于全部去除Vc的颗粒。
CAS号：
性质：分散颗粒自由沉降中的最大沉降速度。它是用牛顿定律和斯托克沉淀定律进行分析，根据颗粒的重力与摩擦力或阻力相等的原理求得。在设计沉淀池时，通常的步骤是先选一个终点沉速为Vc的颗粒进行设计，使所有终点沉速等于或大于全部去除Vc的颗粒。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条