Test and regression model on critical moisture content of carrot and drying rate during the stage of constant rate by vacuum microwave drying 真空微波干燥胡萝卜的恒速干燥速度及临界含水量的实验和回归模型
If the works still have to be carried on, even under conditions deviating from those required, provision shall be made at the planning stage for special measures, e.g.covering, enclosing in a tent, warming the surfaces or drying the air, as special works. 如果仍必须进行作业,及时环境条件背离了上述要求,那么应在规划阶段制定出特殊工程作业的特殊措施,例如遮盖物、放置在帐篷中、加热表面或干燥空气。
The technical characteristics of cross flow drying process in reduction rate stage and selection of drying process'mathematical models are introduced. 介绍了穿流干燥过程中降速段的工艺特点及其数学模型的选择,给出了此干燥过程的数学模型及相关用途。
At the primary stage of drying, the maximum value of elastic tension strain of the timber surface increased with drying temperature rising, and decreased with increment of equilibrium moisture content ( EMC). 干燥前期,木材表层伸张弹性应变最大值随着温度和平衡含水率的增加而减少,木材表层塑性应变则随平衡含水率的增加而增加。
Brief Introduction of Materials Temperature in Constant Drying Rate Stage of Drying Process 干燥过程中恒速段物料温度计算方法简介
The main aroma component of the sun-cured tobacco was formed in wilting and yellowing stage according to degradation material of chlorophyll and carotenoid material, but other treatments were formed in color fixing and leaf drying stage. 传统全晒主要致香物质的形成时期在凋萎变黄期,捂晒和烤晒的形成时期向后推移在定色干叶期。
The experimental results showed that the constant speed drying was the main stage of microwave drying of maize grain, and it can not only dry maize grain efficiently, but also maintain the maize grain plantable value and excellent edible quality after drying process. 研究结果表明:玉米微波干燥主要处于恒速干燥阶段,应用微波技术既能快速而经济地对玉米籽粒进行干燥,又能保持其种用价值,且能改良其品质。
At first three phases which are preheating stage, pressure lifting stage and constant-speed drying stage, the instrument calculates the optimal microwave drying power according to the sample's type and initial mass. 仪器根据被测试样的种类和初始质量,计算试样在预热、压力升高、恒速干燥阶段的最佳微波干燥功率;
Recalcitrant seeds, which do not undergo the developmental stage of maturation drying, are highly sensitive to desiccation throughout seed development. 顽拗性种子不经历成熟脱水的发育阶段,对脱水高度敏感。
The study is about the coefficient of heat transfer of convection in the stage of Constant rate of drying with the ways of dimensional analysis and the experiments. 应用因次分析和实验测定相结合的方法,对恒速干燥阶段的对流传热系数进行了研究。
The experimental results showed that the constant speed drying was the main stage of litchi microwave drying and the drying speed depended on different intermittent rates. 结果表明:荔枝微波干燥主要处于恒速阶段,干燥速度取决于不同的间歇比;
On the basis of it, the multi stage mathematical model of the drying, pyrolysis and gas coal coke reaction in the UCG was established, and the calculation results were analysed and discussed. 在此基础上,建立了煤炭地下气化干燥、热解及气-煤焦反应的多阶段数学模型,并对计算结果进行了分析与讨论。
The Study of Vibration in the Second Stage Drying of Milk Powder 乳品2次干燥振动机理的研究
After measuring the relationship between air pressure in dryer and rate of vaporization is approximately proportional to 1.3 exponential function of air pressure at the stage of stable drying. 测定了干燥容器内空气压力和低弹涤纶筒子纱水分蒸发速度之间的关系,得出在稳定干燥阶段,水分蒸发速度近似地和空气压力的1.3次方成正比的结果。
Development and Application of Two Stage Drying System for Producing Aluminium Hydroxide Micropowder 氢氧化铝微粉二级干燥系统的开发与应用
During the process of flue-curing, the nitrate content, nitrite content and TSNA content increase from the fresh leaf to the yellowing stage, decrease from the yellowing stage to the color-fixing stage, and hold stable change during the color-fixing stage to the stem drying stage; 在烘烤过程中,硝酸盐、亚硝酸盐和TSNA含量由鲜叶到变黄阶段期间上升,变黄阶段到定色阶段期间含量下降,定色阶段到干筋阶段期间基本保持平稳变化;
The section that the water ratio range was from 47.34% to 27.7% was called descending stage, and non-bond water and part of bond water was mainly removed and the drying rate fell down in this stage. 从47.34%降到27.7%为降速阶段,主要脱除非结合水及部分结合水,干燥速度下降。
Preparation of α-Ni ( OH)_2 with high tapping density by second stage drying method 二次干燥法制备高密度α-Ni(OH)2
Study on the Coefficient of Heat Transfer of Convection in the Stage of Constant Rate of Drying 恒速干燥阶段对流传热系数的研究
Studies on the Temperature Design Model in the Preheating Stage of Hot Air Cocoon Drying 热风烘茧预热段配温模式的研究
After considering the grain harvest, during most of the time it is in the natural storage stage, that, non-ventilation drying process natural storage. 考虑粮食收获以后,大多时间里都处于自然仓储阶段,即非通风状态下的自然储藏。
The stage of alcohol precipitation caused the biggest loss of total anthraquinones, the loss rate was up to nearly 30%. Among the three drying methods, spray drying caused the biggest loss of total anthraquinones, followed by freeze drying, vacuum drying had little impact. 其中总蒽醌在醇沉阶段的损失最大,损失率可达近30%,各干燥工艺阶段总蒽醌的损失以喷雾干燥最大,其次是冷冻干燥,真空干燥几乎没有影响。