查询词典 diffusivity
- 与 diffusivity 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This diffusivity equation has been used to model the different ideal condition drying process, analyze the influence of internal temperature field on internal moisture diffusion. Further studying shows that: on some condition, there may be exist the fastest drying process, to a certain extent, which illustrates the direction and the potential of optimizing heat and mass transfer.
最后应用模型进行了不同理想工况下物料干燥过程的模拟计算,分析了物料内部温度场对水分扩散的影响,进一步研究表明:物料在一定条件下有一个最快干燥过程存在,这在一定程度上说明了优化传热传质的方向与潜力。
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Thermal conductivity A of mass and single pellet is successively measured by an efficient and steady heating system, of which the heat source is infrared ray. The milli-volt instrument and thermocouple is a way to measure temperature and its of higher precision and has fewer errors. Thermal diffusivity a is researched based on the study of C and. In this thesis, the volume convective heat-transfer coefficient, is measured on the thin-bed drying plat in terms of the principle of cooling machine and the Boyce drying theory, focusing on the air velocity v or mass flux G affecting on h.
导热系数λ的测定采用红外线纵向热流法,热源稳定、效率高;温度采用毫伏表加热偶温度传感器测量,精度高,误差小,并对成堆物料和单个颗粒均作了研究;基于C和λ的测量结果,导温系数α采用公式法计算而得;对流换热系数h_y为体积对流换热系数,其测定是模拟颗粒饲料的冷却干燥过程,依照冷却器的工作原理,构建颗粒薄层干燥试验台,并在Boyce干燥理论的指导下,重点测试了冷却风速对对流换热系数的影响。
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Diffusivity;Prussian blue;Tungsten oxide;Gelatin;Hardener
中文关键字扩散系数;普鲁士蓝;氧化钨;明胶;硬化剂
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The effective diffusivity of nitrogen in nitrided metal manganese at different temperature is computed by mathematic diffusion model.
在上述渗氮条件下,各试样的渗氮结果均可较好地用扩散模型反映其相关规律。
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The depth of internal oxidation can be utilized to measure the product of solubility and diffusivity of gases in metals and alloys.
内部氧化作用的深度可以被运用测量气体可溶性和扩散性能产品在金属和合金的。
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Using the relative reflection as weighting factor, the weighted mean of the surface albedo over Dunhuang Gobi in typical arid region is calculated and its values are 0.255 ± 0.021. After canceling the interference of the buildings, the mean values of the roughness length averaged with logarithm is 0.0019 ± 0.00071 m. After removing the influence of the oasis, the soil wetness factor computed with data under condition of no precipitation is 0.0045. After removing the influence of the precipitation .the mean values of the soil heat capacity over Dunhuang Gobi in typical ac-id region is 112 × 10 ~6 m~(-3)K~(-1), a bit smaller than the values observed i n HEIFE. But the soil heat diffusivity and conductivity are about one of those observed in HEIFE. The soil water content over Dunhuang Gobi in typical synoptic condition is very little and does not exceed 1% basically.
并且利用相对反射为权重加权平均,计算得到典型干旱区敦煌荒漠戈壁的平均反射率为0.255±0.021;剔除建筑物干扰后,利用对数平均法计算的粗糙度长度平均值为0,0019±0.00071 m;剔除绿洲影响后,用无降水影响的资料确定出土壤湿度影响因子为0.0045;剔除降水影响后,用观测资料计算的敦煌典型干旱区荒漠戈壁的热容量平均值为1.12×10~6m~(-3)K~(-1),比&黑河试验&在戈壁和在其它沙漠观测的有关值略小一些,但热扩散率和热传导率都比&黑河试验&在戈壁观测的值小一倍左右;观测的敦煌戈壁典型天气条件下的土壤含水量非常小,基本上不超过1%。
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The results show that the purple soil unsaturated hydraulic diffusivity based on the redistributions of soil water both vertically and horizontally is in good agreement with the measured values and its unsaturated hydraulic conductivities determined by the same method deviate greatly from the mesured values.
结果显示,结合土壤水分垂直和水平再分布过程推求的紫色土水分扩散率与实测值具有很好的一致性,但推求的非饱和导水率偏差较大。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。