Effect of jet velocity exchange on gas flow in cooling section of tunnel kilns was numerically simulated with CFD software, and the velocity and temperature distribution were analyzed. 利用CFD软件模拟了隧道窑急冷带内喷嘴喷射速度的改变对窑内气体流动的影响,分析了窑内气体的速度和温度分布情况。
The results show that the anion ion-exchange fiber had a high exchange capacity, quick adsorption and desorption velocity, finer mechanical capability and chemical stability. It's a kind of materials with excellent properties. 结果表明,制备的强碱性阴离子交换纤维具有较高的交换容量、快的吸附速度、较好的机械性能和稳定的化学性能,是一种性能优良的离子交换材料。
The levels of blood bilirubin after blood exchange, decreased values, reduction velocity and percentage were compared between two groups. 比较两组患儿换血后胆红素水平及胆红素下降的速度、百分比及下降值。
In this paper, the effects of stratification on turbulent exchange in. the surface layer of the atmosphere are studied from the viewpoint of similarity theory and dimensional analysis. The distribution of velocity and turbulent exchange coefficient at different time has obtained and analyzed. 本文第一部分运用相似理论和因次分析对层结大气近地面层中湍流交换的问题作了分析,获得了与作者过去根据湍流能量平衡方程所得到的结果一致。
Several conditions in the treatment of dicyan electroplating waste water by complex anion exchange have been studied. The conditions studied are velocity, concentration, PH, temperature, regenerating duration, concen-tration of regeneration agent and quantity of cleaning agent; 本文研究了络阴离子交换处理含氰电镀废水的条件:流速、浓度、pH值、温度、再生时间、再生剂用量、再生剂浓度、清洗液用量等;
The determination of exchange velocity of anion exchange resins made by the condensation of tetraethylene pentamine and epichlorohydrin 四次乙基五胺-环氧氯丙烷阴离子交换树脂的交换速度的测定
Airflow in cylinder exists in the form of turbulent flow. in order to calculate the convective exchange of cylinder, we have to know the characteristic length and the characteristic velocity of airflow. 气缸内气流是以紊流形式存在,在计算气缸对流传热时要知道气流的特征速度和特征长度。
This study of three different scalar ion exchange towers using technology of no-hold down counter-current regeneration about the effect of the regenerative velocity, small hole current velocity versus resin flowing. 在三种不同规格的离子交换器上采用无顶压逆流再生工艺,研究了再生流速和小孔流速对树脂浮动的影响。
Complementary heat exchange process While the sensible heat transfer and flow velocity contribute to the most heat transfer amount. 互补换热流程显热传递和循环流动速度决定了净换热量的大小。
This paper presents a new method of researching undisturbed siol profile with the cation exchange membrane. The new method can determine "the transient release velocity" of available potassium in microzones of undisturbed siol profile. 提出并试验了用阳离子交换膜研究原状土壤剖面的新方法,该法可以测定原状土壤剖面各个微区有效钾的释放速率。
The kinetic parameters, e.g. the exchange current density and velocity constants of the anodic reaction, were evaluated. 计算了阳极活性溶解反应的交换电流密度和阳极电化学反应的速度常数等动力学参数。
Two different methods ( the limited batch method and the batch method) were used to determine the exchange velocity of the anion exchange resins, the results showed that the exchange rates were identical when the concentration of the hydrochloric acid was maintained at about 0.032 N. 本文还比较了两种测试交换吸附速度的方法:连续取样法及分批法.实验表明,当被交换吸附的酸浓度若维持在0.032N左右时两种方法所得到的曲线基本上是一致的。
This paper presents main specific properties of a few hydrophobic catalysts made by ourselves with which isotope exchange experiments of H-T at atmospheric temperature are made. The influence of flow of hydrogen velocity on catalytical activity is preliminary inspected. 本文简要介绍了自制的几种疏水催化剂的主要特性,采用这些催化剂进行了室温下的H&T同位素交换实验,初步考察了氢气流速对催化活性的影响。
This paper reported the mechanism of gold adsorption by D-200 macroporous basic anion exchange resin, including the acidity curve, the adsorption velocity, the adsorption capacity when in equilibrium and the-activated energy of adsorption reaction. 本文报道了D&290大孔强碱性阴离子交换树脂吸附金的机理、酸度曲线、吸附速率、平衡时吸附的容量及吸附反应活化能。
Gap junctions are the direct pathways to exchange signals among cardiac myocytes. The electrical conduction velocity there is faster than other place on cell membrane. 缝隙连接是细胞间信息交换的直接通道,此处的电传导速度比细胞膜上其他部位都快。
It is the first domestic direct contact gas hydrate/ binary ice cold storage/ release experimental installation with practical value, using a direct contact method improves the heat exchange efficiency, it has got a quicker reaction velocity and a heavy cold storage density. 国内首例具有实用意义的直接接触式气体水合物/二元冰蓄放冷实验装置,采用直接接触式提高了换热效率,气体水合物反应速度快,蓄冷密度高。
The paper analyses the heat exchange capabilities of surface liquid cooler by efficiency method at different air velocity, water flow rate, conditions of inlet air, temperature of cooling water and quantity of coils. 通过效率法的计算,得到表冷器迎面风速,水流量,入口空气状态,冷冻水温及盘管排数对表冷器热工性能的影响。
Its outstanding advantages are low flow resistance, large general heat transfer coefficient for the use of larger heat exchange in same volume at lower velocity with lower pressure drop. 其最突出的特点是风阻低、综合传热系数大,适用于低风速、低风压降下,要求有大的同体积散热容量。
Application of the Strength Controls Configuration Software in the Double Electrical Machinery Exchange Frequency Conversion Velocity Modulation Experiment System 力控组态软件在双电机交流变频调速实验系统中的应用
Obtained Influencing Factors of heat exchange efficiency in air cooler such as cooling load 、 diameter of heat exchange tube and fluid velocity, by using the method of analysis of thermal efficiency. This provided design reference of energy-saving and high efficient for structure design of air cooler. 同时,采用热效率分析法,得出冷负荷、换热管管径、冷热流体流速等因素对空冷器换热效率的影响,这对空冷器结构高效、节能的设计提出了新的参考。
On the basis of the Fisher equation of exchange, simply, supposing the velocity of money remains unchanged, the increase of money supply will be reflected in increase of price and expansion of economic growth. 按照货币交易方程式,简单地,在货币流通速度不变的情况下,货币供给的增加会反映到物价的上涨及经济的增长上来。
Air velocity is one of influential factors relevant to human thermal comfort. Because of the change of convection and evaporation heat exchange in different pressure environment, the effect of air velocity change on hunan thermal comfort is different. 空气流速是影响人体热舒适的因素之一,在低气压环境中,由于人体散热特性等变化,使空气流速对热舒适影响具有与常压环境不同的特点。