Experimental investigation on the effects of moisture content and fibers on both explosive spalling and residual mechanics of high performance concrete(HPC) after exposure to high temperatures was presented in this paper.
本文研究了含湿量和纤维对高性能混凝土高温爆裂和高温后残余力学性能的影响。
The method for determining the moisture content of air on airway surface was improved and the relationship between saturated moisture content of air and temperature was fitted into a quadratic curve.
笔者采用湿度系数法对壁面水分蒸发进行了处理,对计算壁面处饱和空气含湿量的方法进行了改进,将饱和空气含湿量与温度的关系拟合为二次曲线;建立了在考虑壁面水分蒸发情况下解算巷道围岩温度场分布及围岩向风流的散热量的数学方程,并采用异步长有限差分法对其进行了数值模拟求解;解算出巷道壁面水分蒸发情况下围岩温度分布、壁面温度和围岩散热量的变化规律;并与将饱和空气含湿量与温度的关系拟合为线型关系曲线时的解算结果进行了对比,将饱和空气含湿量和温度之间的关系拟合为线性的计算结果存在一定的误差,通风时间越长,湿度系数越大,风流相对湿度越小,拟合为线性时计算出来的壁面温度和围岩散热量的误差越大。
Experimental investigation on the effects of moisture content and fiber on both explosive spalling and residual compressive strength of high performance concrete(HPC) after exposure to high temperatures was presented.
研究了含湿量和纤维对高性能混凝土高温爆裂及高温后残余抗压强度的影响。
The effects of the operational and the structural parameters on the desulfurization efficiency and gas humidity with the falling film desulphurization device are studied, including gas velocity, inlet gas temperature, SO2 concentration, the shape of nozzle, etc.
针对液柱射流式脱硫反应器,进行了烟气流速、入口烟气温度、入口SO2浓度等运行参数和结构参数对烟气含湿量和脱硫效率的影响的试验研究。
The effects of the bed loading, velocity of the gas passing through the bed, relative humidity of the gas, and the sulfur dioxide concentration in the inlet gas on the effeciency of sulfur removal have been investigated in particular.
主要研究了床重、床速、床内气体含湿量和入口烟气中ＳＯ２浓度对脱硫效率的影响。
Establishing the coupled equations of heat and moisture transfer in the materials to describe the moisture adsorption/desorption processes, obtains the analytical solutions of temperature and humidity ratio in the materials by transforming the equations with the steady periodic convective boundary conditions.
研究了封闭空间内调湿材料在周期性热湿作用下的吸放湿特性,结果表明空气含湿量波动振幅与温度波动振幅之比值为一复常数,其模值能表示材料吸放湿能力大小,初相位能表示材料吸放湿应答性快慢,从而引出了测试调湿材料吸放湿性能的方法———封闭箱热作用法。
Presents the characteristics of recreational natatoria, discusses the modes of HVAC systems, heat and moisture load calculation, ventilation rate determination and winter ventilation operation adjustment, and provides two calculation methods of outdoor humidity ratio in transition seasons.
介绍了娱乐性游泳馆的特点,探讨了暖通空调系统形式、热湿负荷计算、通风量确定、冬季通风运行调节等问题,提出了两种过渡季室外含湿量计算方法。
Effect of Environmental Relative Humidity on the Extinction of Aerosol Material;
气溶胶材料的吸湿性及含湿量对消光效果影响的实验研究
The prediction of solar radiation and humidity ratio is also discussed.
本文还讨论了太阳辐射和含湿量的预测。
humidity ratio of moist air in the free stream
自由气流湿空气的湿含量
Humidity is a measure of moisture in the atmosphere.
湿度是空气内含水分多少的量度.
The content of nornicotine is higher after flue-curing than before flue-curing.
湿度对烟碱含量影响无明显的规律性。
When the content of Ce reached 0.1%,the wettability of the sample came to the best.
当铈含量为0.1%时,焊料有较好的润湿性。
Study of the Content of Total Flavonoid in Fresh and Dry Houttuynia cordata Thunb
鱼腥草干品、湿品中总黄酮含量的测定
The exact measurement of goat fluff exaggeration and the experiment of measuring humidity by microwave
运用微波测湿实验对羊绒含水量进行精确测量
Carbon, Nitrogen and Phosphorous Contents and Storages in the Marsh Sediments of the Minjiang River Estuary
闽江河口湿地沉积物碳、氮、磷含量及储量特征
Soft sensing for component content in cobalt hydrometallurgy extraction process
钴湿法冶炼萃取过程中的组分含量软测量
Seasonal variation of iron content in typical wetland plants and in wetland farmland crops in Sanjiang Plain of Northeast China
典型湿地植物与湿地农田作物铁含量的季节变化特征
HPLC determination of sinomenine in Fengshi Shengyao Capsules
HPLC法测定风湿圣药胶囊中青藤碱的含量
Research on the soil moisture content of Zhalong wetland during thawing period
融冻时期扎龙湿地土壤含水量变化研究
Determination of the content of sinapine thiocyanate in Qingrehuashiyangyin granules by HPLC
HPLC法测定清热化湿养阴颗粒中芥子碱的含量
Determination of berberine hydrochlorde in Shirebi Tablets by HPLC
HPLC法测定湿热痹片中盐酸小檗碱的含量
Detection of Ca and Zn in milk by method of wet digestion
湿式消化法测定牛奶中钙锌含量最优条件探讨
Evaluation on Uncertainty of Determining 75% Tricyclazole WP Content
三环唑75%可湿性粉剂含量测定的不确定度评定
Determination of Clorogenic acid Contents in Heat-clearing and Dewetting Medicinal Granules by HPLC
HPLC法测定清热祛湿冲剂中绿原酸的含量