对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。
Apart from this, it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles.
主流区流体流速及温度场分布不均匀,不利于硫颗粒沉降。
However the distributing of velocity and temperature is not uniform in the mid fluid, So it is not helpful for sedimentation of matte drops.
根据颗粒沉降速度的计算结果对不同剂型药物的生产工艺进行控制。
Methods: According to the sedimentation rate, controlling process was chosen for different doses of medicine.
实验及计算表明:常用的斯托克斯公式仅适应于颗粒沉降雷诺数较小的情况;
The experiments and calculation indicate that the common Stokes formula is only suitable to the situation with small grain settling Reynold number.
本文根据沉降理论,应用分离因数的概念,提出了预测饮料中颗粒沉降时间的方法。
According to subsidence theory and separation factor concept, new method of Prediction of subsidence time of granule in beverage was presented.
进而对生物颗粒沉降、悬浮床反应器膨胀率等基本特性进行了数学模型的研究,并通过实验予以验证。
Through the detail study of the flow pattern in the transition of the reactor, the concept of suspended bed reactor had been developed.
包气带中的水会沉降到地下水位,只在矿物颗粒表面留下一层薄薄的水膜。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
掩体——掩体越重,挡在你和反射性沉降颗粒之间的物质——如厚墙壁,砖块,书本,土层越多,保护效果越好。
Shielding - the heavier and denser the materials - thick walls, concrete, bricks, books and earth - between you and the fallout particles, the better.
颗粒越小,它们沉降得越慢。
The smaller the particles, the slower they come back down again.
机组运行时,大量灰尘和固体颗粒杂质由于重力、惯性扩散、接触阻留、静电等综合作用,灰尘沉降堆积在过滤元件上。
The unit operation, a solid particles of dust and impurities by gravity, inertia diffusion, contact resistance leave, static comprehensive effect, dust settlement piling up in filtering elements.
通过泥沙模型试验研究,分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配,水库对泥沙的沉降率。
By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
本文采用流动显示的方法对平板混合层中上下层流体速度比对固体颗粒在混合层中沉降的影响进行了研究。
The effects of velocity ratio of free streams on the particle sedimentation in liquid-solid two phase plane mixing layer are studied by flow visualization method.
与传统的活性污泥法相比,好氧颗粒污泥反应器具有MLSS浓度高、沉降速度快、占地面积小等独特优点。
Compared with the conventional activated sludge process, the aerobic granular sludge has the advantages of high MLSS concentration, high settling velocity, and less land coverage.
通过研究我们发现,采用镀金属的空心颗粒或薄板形试样,能够明显降低沉降速度。
And the conclusion can be drawn that it can reduce sedimentation velocity by using plating hollow particles or thin plate-shaped sample.
本文通过实验研究,找出了影响细颗粒尾砂絮凝沉降的因素。
On the basis of experiments, the factors influencing the flocculating settling of fine particle tailings have been found.
以蔗糖为碳源,在序批式间歇反应器中培养出沉降性能良好的黑色好氧颗粒污泥。
Black aerobic granule sludge with good settling velocities was cultivated in sequencing batch reactor (SBR) fed with sucrose.
石灰作为一种传统的助凝剂,应用于水厂排泥水调质浓缩工艺,可提高污泥颗粒密度,改善污泥沉降脱水性能。
In the wastewater conditioning and concentration process, lime can be used to raise density of the sludge particles, and improve the property of sludge dewatering.
选用复配使用的阴阳离子表面活性剂,通过沉降实验、纳米颗粒的极限分离直径和TEM来测试纳米颗粒在瓦特镀液中分散性能好坏。
By using the mixture of anionic surfactant and cationic surfactant, we can define the stability of SiC suspension with sediment experiment, the limited separation diameter and TEM.
在较低的沉降速度下产生以菌胶团为主的颗粒,提高污泥的沉降速度产生以丝状菌为主要结构的颗粒污泥。
The zoogloea granules predominated in the lower settling velocity, then filamentous microorganisms granules could be formed with the increasing of the settling velocity.
迄今为止还没有分析填埋场沉降的合理模型,特别是关于生物降解引起的固体颗粒的减少。
There is no appropriate model to analyze settlement of landfills so far, especially when bio-chemical decomposition was taken into consideration.
河道滞留塘系统是以颗粒物沉降为污染物主要净化机理的污染河流净化技术。
On-stream detention pond system (OSDPS) is a promising technology for polluted river purification and restoration, whose main purification mechanism was particle settlement.
不同沉降速率下颗粒污泥的的胞外多聚物发生变化,进而影响颗粒污泥的稳定性。
The variety of extracellular polymer of particle sludge under different settling rate will influence stability of the particle sludge.
黏性泥沙絮团的形成机理和沉降特性对河口海岸细颗粒泥沙运动规律研究具有重要作用。
The complicated fractal flocculation processes and settling behavior of cohesive sediment are very important to understand the cohesive sediment transport in estuaries and along coasts.
针对碟式分离机结构参数设计,介绍了碟式分离机工作原理,重点分析了沉降颗粒不被液流带走的条件。
Aimed at the structure of Disc separator, the working principle of Disc separator was introduced and the condition under which settling particulate matter could not swept by liquid was analyzed.
在颗粒受力分析及沉降末速计算基础上,首先选取了沉降速度模型,进而对脉动干扰沉降理论做了初步探讨。
With analysis of forces on particle and calculation of terminal velocities, terminal velocity models are selected, and then Pulse jamming settlement theory was discussed.
连续型影响因素对细颗粒泥沙絮凝沉降的影响是连续的,它们不仅影响絮凝作用发生,而且影响絮凝沉降强度。
The influence of the continuous type influencing factors is continuous. They not only influence the flocculation but also the settling strength of the floc.
颗粒污泥具有良好的沉降性能、较高的生物量和在高容积负荷条件下降解高浓度有机废水的良好生物活性。
Aerobic granular sludge demonstrates high settling velocities resulting in good liquid separation, high biomass retention, high activity and ability of withstanding high loading rates.
本实验选择了九水合硅酸钠和聚丙烯酰胺作为分散剂,并通过激光粒度分析仪和沉降实验对纳米颗粒的分散稳定性进行评价。
Sodium silicate and PAM were selected as dispersants, laser diffraction-based particle size analyzer and settlement experimentation were used to evaluate dispersion and stability of nano-particles.
沉降性浆体中固体颗粒处于滑跳移运动状态时,固体颗粒将受到摩擦力的影响。
When the solid particle was in slipping or jumping motion state in slurry flow, the solid particle will be influenced by frictional force.
沉降性浆体中固体颗粒处于滑跳移运动状态时,固体颗粒将受到摩擦力的影响。
When the solid particle was in slipping or jumping motion state in slurry flow, the solid particle will be influenced by frictional force.
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