Testing method for water vapor transmission rate of flexible barrier materials 新型空穴传输材料及聚碳酸酯的合成柔性阻挡层材料的水蒸汽穿透性的试验方法
Test method for vapor transmission rate of packaging materials GB/T16928-1997包装材料试验方法透湿率
Using vapor convergence and condensation method, the vapor convergence rate, condensation rate and precipitation efficiencies of the main synoptic systems in spring and autumn during 1997-1999 in Shandong Province are calculated. 利用水汽辐合法和水汽凝结法,对山东省1997~1999年春秋季18个降水过程的水汽辐合率、凝结率及降水效率等表征云水资源及其转化的特征量进行计算。
The influences of chemical vapor deposition processing para-meters coating rate and film crystal structures 化学气相沉积过程各参数对沉积速度和薄膜晶体组织结构的影响
Methods A small climate chamber was employed to control the temperature, concentration of vapor and ventilation rate. 方法使用小型环境测试舱控制温度、水蒸汽浓度、空气交换率,用INTERSCAN公司的4160型甲醛分析仪测定不同条件下木质板材的甲醛释放量。
Physical property tests demonstrated it pocessed good hygroscopic power, strength, elastics, proper water vapor transmission rate and gas permeability. 物理性能测试表明该敷料具有较好的吸水力、强度及弹性,而且透气性、透湿性适宜;
Under the condition of constant temperature and constant humidity, the water vapor penetration rate of the separate coatings film is tested by the wet cup method that is simple and practical. 在恒温恒湿条件下,湿杯法检测涂料游离涂膜的透汽性,从而建立了一种简捷实用的水蒸气透过率检测方法。
The vapor sensing responsivity of the CB/ WPU composite was in relative with the polarity and solubility parameter of solvents, and the absorption rate is much smaller than the vapor sensing response rate. 气敏响应度的大小与有机溶剂的溶度参数尤其极性分量有关,基体和溶剂的总溶度参数相差越小,气敏响应度越大。
Studies on the influence of water vapor on combustion oxidation of soot from natural gas show, that water vapor causes the combustion rate of soot to rise remarkably. 还进行了水蒸汽对天然气炭黑燃烧的影响研究,水蒸汽能引起炭黑燃烧速率的显著增大。
It indicated that after determining the minimum distillation rate according to the separation requirements, among the factors that influence the separating capacity and the energy-saving, the connecting vapor flow rate is the primary factor and vapor withdraw position is in the second. 根据分离要求确定主塔最小馏出的液量后,热偶精馏TCS-R的分离能力和节能效果受汽相连接流股流率的影响最大,其次为汽相连接流股的抽出位置。
Based on the theoretical analysis and experiment on dispersed-flow, a formula of vapor generation rate was obtained. And a model for dispersed-flow boiling heat transfer has been developed. 本文通过理论分析,并由实验确定得到一个用于弥散流沸腾传热分析的蒸汽产生率公式,建立了一个轴向继承型传热模型。
The environment model is founded according to the absorbing rate of ozone and vapor, and scatter transmitting rate of cloud, rain and dust for the laser. 外部环境模型据臭氧、水蒸气等对激光吸收透过率和云、雨、尘散射透过率建立。
The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effectively prevent the tank top from cracking. 提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
With the typical unsaturated soils in North of China, the effects of the vapor flow rate, soil water content and quality on the remediation process were studied. 以华北地区典型土壤为实验土样,油污染物为例,通过一维土柱实验,研究了抽排气体流速、土壤含水率和土质对去污过程的影响。
The Effect of Vapor Diffusion Rate on Lysozyme Crystal Growth 气相扩散速率对溶菌酶晶体生长的影响
In solvent recovery stage, as the concentration of solvent begins to increase, the vapor flow rate in the column decreases soon, almost to zero, and then increases rapidly accompanied with the higher top temperature. 在溶剂回收段,当塔顶溶剂浓度开始上升时,塔顶馏出量将突然减小到几乎为零,然后又迅速增大,同时塔顶温度迅速上升。
This paper introduces a new apparatus and method that suits to measuring the water vapor transmission rate ( WVTR) of wound covering materials. 介绍了一种新型的测试修复材料水蒸汽透过性(WVTR)的装置和方法。
The comparing analysis indicated that: expansion and degradation of Three River Source Region's wetland can both impose impacts on Surface Temperature, Potential Height Field, Wind Field, and intensity of precipitation, as well as the vapor rate and containing water of soil. 通过对比分析发现,三江源湿地的扩大和缩小都能影响地表温度、高度场和流场、以及降水的强度,还能影响到土壤含水量和蒸发量。
Influence of cataphoresis on metal vapor distribution in high repetition rate pulsed discharge metal vapor lasers 高重复率脉冲放电金属蒸气激光中电泳对金属蒸气分布的影响
During the bubble absorption process, the ammonia vapor flow rate had little effect on the bubble generative frequency, however, the maximum bubble volume, the maximum absorption height, and the Sherwood number for a single bubble increased when the flow rate of ammonia vapor increased. 鼓泡吸收过程中,氨气流量对鼓泡频率影响较小,但是流量增大会导致最大气泡体积、最大吸收高度、以及单个气泡的舍伍德数增大;
The corrosion resistance of organic coatings and the relevant mechanism were studied by using water vapor transmission rate technique and electrochemical impedance spectroscopy ( EIS). 通过测试涂层渗水率以及涂层交流阻抗图谱,评价涂层的耐腐蚀性能,并就其机理进行了初步探讨。
This paper use upright cup method and vertical wicking method, the dropping water method to compared with the SOP/ wool, polyester/ wool, and 100% wool fabric's quantity of water vapor permeation, water vapor resistance, wicking rate, wetting area etc. 采用透湿杯法、垂直芯吸法、滴水法3种方法测试大豆毛、涤毛、纯毛织物的透气量、湿阻、芯吸速率、润湿面积等指标。
The proper conditions of activation and reactivation are both heating it slowly to 200 ℃ and keeping it at that temperature for 1 h. The vapor adsorption rate of it at relative 20% is 8.3%. 结果表明,活化、再生条件均为慢升温至200℃恒温1h,在RH20%下吸水率可达8.3%。
The physical and mechanical properties, bacteriostatic tests and bacteria barrier and water vapor transmission rate ( WVTR) of SCHAW were studied. 就其物理特性、机械性能、体外抑菌实验、细菌屏障作用、透湿性(WVTR)等各项性能进行了研究与评估,认为Schaw敷料柔软,顺应性好,适合于任何部位的创面;
Diffusion behavior of water and chloride ion through acrylic polyurethane coating was studied using water vapor, chloride ion transmission rate technique of organic coatings and electrochemical impedance spectroscopy ( EIS) technique in this paper. 采用渗水率测试技术、渗氯离子浓度测试方法及交流阻抗测试技术研究了水、氯离子在丙烯酸聚氨酯涂层中的扩散传输行为。
Profile of temperature, vapor and liquid rate versus tray numbers reflect the distillation process and influence of feeds, products, and cooling cycle in the middle of column on the distillation process very well. 初馏塔、常压塔和减压塔温度和汽液流量沿塔板的分布侧形图能够很好地反映蒸馏过程和进出物料以及中段冷却循环对蒸馏过程的影响。