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The evaporation of nanofluid droplet will be widely applied in the field of vehicle,spaceflight, voyage,shipping and electron.The hydrokinetics,the theory of heat and mass transfer,the material science and the behavior dynamics of free interface are involved in the process of the nanofluid droplet evaporation.It is academically significant and has invaluable application to master the heat and mass transfer mechanism in this process.

纳米流体液滴蒸发形式的换热将广泛应用于车辆、航天航空、船舶、电子等领域,其蒸发过程是涵盖了多组分流体动力学、传热传质学、材料科学及自由界面行为动力学等多种学科领域的综合性问题,掌握该过程中的热质传递机理有着重要的学术意义和应用价值。

Perspiring thermal manikin is proved to be an effective approach to evaluating heat and moisture transmission performance in the study of clothing thermal comfort.

应用出汗暖体假人来测量服装的热湿传递性能是服装热舒适性研究的重要手段。

First is enhances the boiler the heat energy transfer rate,(1) changes the vertical chimney to the horizontal-type chimney, reduces the speed of flow, Increase the time which the actuating medium and the boiler hot flame doing heat change;(2) changes the high temperature system sole medium sole heat transfer area to many kinds of medium the multi-channel heat transfer area(2-6 medium, 2-6 heat transfer area, this article takes four medium, 4 heat transfer areas confer elaboration), the increase heat transfer flow path through many times heat absorption,Lets the pot furnace coal flame heat energy as far as possible much transmit gives the actuating medium, Enables the quantity transfer rate from the present 60%--75% enhances to is bigger than 95

第一是提高锅炉的热能转移率,(1)将立式烟囱改为卧式烟囱,降低流速,增加工作介质与锅炉热焰气的热交换时间;(2)将高温系统单一介质的单一换热区改为多种介质的多道换热区(2—6种介质, 2—6道换热区,本文取四种介质,4道换热区加予论述),增加换热流程,通过多次吸热,让工作介质尽可能多地把锅炉煤焰气的热能传递给工作介质,使能量转移率从现在的60%--75%提高到大于95

In this paper, thermogram was used to do human face recognition. The thermogram of human face was captured from infrared camera. Image processing technologies were used to preprocess the captured thermogram. Then several features were extracted from the processed thermogram. These features included the distribution of temperature statistics, the perimeter of the face, the length/width ratio of the smallest rectangle which contained the face, and the triangle formed from the three lowest temperature points of the two cheeks and the chin. A three-layer back-propagation neural network was used as the recognition tool.

本文中利用红外线摄影机撷取人之脸部所散发之热分布影像以进行人脸辨识,热影像经过前处理后,再撷取与温度分布有关之相关特徵资料,所撷取之特徵资料包括温度统计分布、脸部边缘长度、包含脸部之最小矩形之长宽比、以及两颊与下巴三个部位之温度最低点之距离,并使用三层架构的倒传递类神经网路作为辨识的工具,辨识的过程包括两个步骤:训练与测试。

In 5 days after ALA treatment, under the same actinic light intensity, along with the time increased, increased PS II actual photochemical efficiency Φ_(psⅡ, photochemical quench, non-photochemical qnench, electron transfer rate, photochemistry rate, photochemistry and antenna heat dissipation of the watermelon Citrullus lanatus Thunb.

ALA处理5天后,在同一作用光下,随着时间的延长,西瓜叶片PSⅡ实际光化学效率Φ_(PSⅡ、荧光猝灭系数、非光化学荧光猝灭系数、电子传递速率、光化学速率、光化学效率、热耗散速率及天线热耗散的光动力曲线均上升;稳态荧光和PSⅡ反应中心非光化学耗散的光时间曲线逐渐下降。

The moisture accumulation and transfer within the walls exposed to hot and humid climates is analyzed, and different inside wall treatments impact on the hygrothermal performance of multilayer wall is also discussed.

分析了热湿气候地区墙体内湿传递和积累的情况,以及不同内表面情况对墙体热湿性能的影响。

In the field of thermal analysis, combined with the control volume method and the spectral band model, the discrete transfer method is employed to solve the three dimensional transient radiation and conduction heat transfer in the cylinders of nongray semi-transparent media with semi-transparent and opaque surfaces.

在热分析方面,对同时具有半透明和不透明界面、非均匀第二类边界条件及第一和第三类非线性混合边界条件下非灰半透明介质圆柱体内的辐射与导热三维非稳态耦合换热,用离散传递法结合控制容积法和谱带模型进行了求解,得出了某空间光学系统外遮光罩光学窗口内的非稳态温度场。

In addition, we discovered the law of heat transfer in this susceptor by the analysis of the temperature in it changing with the heating time.

另外,通过对其温度随加热时间变化的分析,发现刻槽基座的热输运规律,即所刻的槽改变了基座中感应产生热量的热传导方向,衬底的热量是由槽上下基座部分传递而来的,且随时间的增大,基座的温度趋于恒定,衬底的温度趋于均匀,这有利于提高生长薄膜的质量。

Furthermore, the reliability of heat and moisture absorbing and desorbing index is verified by use of testing data, and the correctness of heat and moisture transfer model is verified indirectly in this paper.

并利用主厂房实测数据对本文给出的热湿吸放指标的可靠性进行了验证,同时也间接地验证了热湿传递模型的正确性。

At last, a synthetic evaluation of thermal-wet comfort of the 4 kinds of fibred fabrics was conducted by means of gray clustering analysis.

通过对大豆蛋白纤维织物及类似风格的棉、毛、丝织物的导热性、保暖性、冷感性、透湿性、输水性、润湿性及透气性的测试分析,建立了对大豆蛋白纤维织物热湿传递性能的较全面的认识;并利用灰色聚类分析评价系统对前述4类织物的热湿舒适性能做了综合评价。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。