Moisture Absorption Property of Material and Moisture& Thermal Affects on Package's Reliability 封装材料的吸湿特性及湿、热对封装器件可靠性的影响
Based on Lambert Law, the regulation on infrared transmission properties of plain cloth and its moisture content is studied by using infrared heat effect and selective absorption function of moisture to infrared ray. 以朗伯(Lambert)定律为基础,利用红外线的热效应和水分对红外线的选择性吸收作用,研究了平纹织物含水量对红外线透射性能的影响。
The water absorption ratio of high strength concrete after fire measured by PCK method was used to evaluate the permeability of concrete after fire and the moisture diffusivity at high temperature. 采用PCK法测量了高强混凝土受火后的吸水率,用以表征混凝土受火后的渗透性及高温时的温扩散能力。
The moisture absorption ability and moisture Absorption Model of Tobacco were introduced through analysis of tobacco's moisture absorption characteristic. Formula for prediction of valid storage time of tobacco packaging was deduced. 通过对烟草的吸湿特性分析,引入烟草吸湿模型和烟草吸湿能力,并推导出烟草包装保质期预测公式。
Furthermore, the effect of different immersing mediums including fresh water, distilled water and seawater on the moisture absorption and removing of weapon composites underwater is discussed as well as the moisture absorption mechanism. 文中还研究了不同浸泡介质(淡水、蒸馏水和人工海水)对水中兵器用复合材料的吸湿性能和去湿性能的影响,探讨了吸湿机理。
Methods: Assay the capacity of the moisture absorption of Qingwen Baidu capsule and the empty capsule at four different relative humidities. Draw the related curve between capacity of the moisture absorption and time, and obtain their CRH. 方法:测定清瘟败毒胶囊和空胶囊在四种不同相对湿度(RH)下的吸湿量,整理出清瘟败毒胶囊和空胶囊在不同RH下的吸湿曲线以及它们的CRH。
Effects of slope direction and vegetation were taken into consideration for solar radiative absorption and flux of surface latent heat and moisture, respectively, in parameterization. 在参数化过程中,太阳辐射吸收考虑了地形的坡向作用,地表潜热和水汽通量考虑了植被作用,闭合方案采用E-ε能量闭合。
IR absorption is one of the methods for moisture measurment, but its measurig precision is limited by its natural defect. 红外吸收法是目前常用的一种水分测量方法,但其固有的缺点使其测量精度和范围都受到了影响。
Movement of water in soil, water absorption of crop and regulation of soil moisture were summarized in the paper. 本文综述了土壤水运动、植物吸水和土壤水分的调节。
The special packing pouch of desiccating agent only reduce absorption rate of the molecular sieve, but can not effect the saturated moisture content. 专用的干燥剂包装纸袋只会减小分子筛的吸附速率,而对饱和吸附量无影响;
Methods: Through measuring the distribution of the size and the absorption of moisture of the granule the formability was determined. 方法:通过将物料制成颗粒并对其进行粒度分布的检测确定其成型性;
In this paper the effects of absorption peaks on the optical properties of some fluoride films after heat treatment ( or moisture removal) are investigated in different gases. 本文采用在不同气氛中加热处理红外减反射膜的方法,研究了氟化物薄膜的水吸收峰和氧化物吸收峰对光学性能的影响。
The results indicates this natural seed coat have high water absorption rate, big amount of water absorption, long dehydration time. And these characteristics are advantageous to seed's utilizing moisture effectively and accelerate seed's bourgeon in arid condition. 结果表明这种天然种衣吸水速度高、吸水量大、失水时间长,有利于干旱条件下种子有效利用水分、促进萌发。
Medium acrylic fiber and moisture absorption& heating fiber were adopted to spinning knitting yarn, for the bigger moisture regain of eks fiber, moisture temperature of each process should be controlled to level off yarn quality. 采用中长腈纶纤维与吸湿发热纤维混和纺制针织用纱,由于eks纤维的回潮率较大,纺纱各工序应严格控制车间温湿度,以便稳定成纱质量;
The performance combustible container used at rigid modular charge, mechanical strength and erosion and heat resistibility and absorption of moisture, had been greatly improved by selecting and using reinforcing agent and wear reducing agent and surface-coating, and optimizing energetic component of the combustible container. 通过采用补强剂、缓蚀剂、表面涂层及含能组份配方的优化研究,大幅度地提高了可燃容器的强度,明显改善了可燃容器的烧蚀性能、耐热性能和防潮性能。
Through the coal and rock to the CO2 absorption capacity of the related factors of a basic understanding of their physical and chemical properties of coal and rock, temperature, and moisture is an important factor affecting adsorption. 通过煤岩对CO2吸附量的相关因素分析基本了解了煤岩各自的物化性质、温度以及水分是影响吸附的重要因素。
The results proof that the banana fiber has good moisture absorption. And it has characteristics of natural cellulose fibers in moisture absorption and desorption. In addition, banana fiber has excellent dyeing property, and its dyeing rate and fixation rate are higher than ramie. 结果表明香蕉纤维的吸湿性很好,具有天然纤维素纤维的吸放湿特性;采用活性染料染色,香蕉纤维的上染率和固色率较高,比苎麻染色性能优良。
First, the nature of fiber and Fiber-reinforced asphalt mortar is studied. This part includes the following points: The absorption of moisture and resist heat performance of fiber and the high and low temperature property tests of fiber-reinforced asphalt mortar. 本论文对纤维沥青混合料的路用性能研究,首先,纤维与纤维沥青胶浆技术性能分析与试验研究,主要包括:纤维的吸湿性能,耐热性能及纤维沥青纤维胶浆的高低温性能。
The absorption of two kinds sludge is declined obviously with the sludge moisture content declines, and high moisture content sludge has stronger absorption ability. 两种污泥CO2吸收率随着污泥含水率的下降而明显下降,高含水率污泥具有较强的吸收能力。
Its absorption of moisture and nutrients and the synthesis, catabolism strong and help to resist and prevent the invasion of pathogens and spread. 其吸收水分和营养物质及合成、分解代谢旺盛,有助于抵御和防止病原物的侵入和扩散。
Liquid desiccant dehumidification systems work based on the strong moisture-absorption ability of liquid desiccants at certain concentration range. Such systems utilizes low grade heat source, and are effective in independently handling air moisture loads, in an environmental friendly manner. 溶液除湿系统是基于除湿溶液在一定浓度范围内具有强吸湿特性建立的一种空调系统,采用低品位热源驱动,具有独立控制湿度、节能和环保等突出特点。