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辐射热

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The measured values of Tnwb under all experimental conditions was greater than the psychrometric wet bulb temperature estimated by the ambient vapor pressure and air temperature in different combined conditions.

当热环境的气温大於皮肤温度并伴随有明显的辐射热源存在时,则风速愈大会造成自然湿球温度、黑球温度测值与综合温度热指数愈低而导致热压力评估的判断错误。

Based on the geological structure conditions of known hot springs and ground thermometric data,the comprehensive remote sensing prediction of geothermal abnormal area was carried out.

地热异常地段,在热红外波段(8~14μm)其热辐射温度较高,利用TM6波段(10.45~12.50μm)和航空热红外扫描图像(光谱波长8~14μm)及航空彩红外图像,选择适宜的波段组合作密度信息的增强处理。

In order to acquire the heating-cooling process of laser molten pool and the mutual effect of sintering layers in multi-layer powder sintering, factors such as heat conduction, heat radiation, heat convecting and changeable thermophysical property parameters were taken into account comprehensively, the 3D transient state FEM of the temperature field of multi-layer thin-wall metal parts formed by DMLS was established based on ANSYS. The APDL (ANSYS Parametric Design Language) was used to carry out thermal resource moving and the technique of birth/death for element was used to simulate the process of material addition.

为掌握多层粉末烧结过程中激光熔池的加热冷却规律以及各烧结层之间的相互影响,综合考虑热传导、热辐射和热对流以及材料的高度非线性,基于ANSYS平台建立了多层金属薄壁件的三维温度场有限元模型,利用APDIJ语言编程实现模拟中激光热源的移动,采用&单元生死&技术描述粉末材料动态增长过程。

An adiabatic system is designed to obtain the cooled circulating condition for the superconducting magnet. The system is comprised of vacuum adiabatic mti1ayer, copper thermal shield, snake vent-pipe and so on, which elided the complicated frame of liquid nitrogen thermal shield outside of the inner-cryostat, simplified technical structures, and achieved favorable adiabatic effect.

为了获得有效的超导磁体运行的低温环境,研制了一套采用真空多层绝热、铜辐射冷屏、蛇形排气管结构形式的绝热系统,省去了传统的在内杜瓦外面添加液氮屏的结构,简化了工艺结构,操作方便,绝热效果良好。

The total static loads and dynamic loads are summed as 4.692W and 38.4W, respectively. And comparison between the double-wall cooling method and the cooling tube method for the 77 heat shield has been discussed to provide the thermal parameters for flow process simulation. The critical thermal parameters of the main components of the QWR cooling system were determined for parallel arranged QWR cryostats. The mass flow and time for cool-down of the QWR to 4.2K was also estimated.

本文在详细描述恒温柜冷却系统的基础上,详细计算了4.2K冷质量与77K冷屏的辐射漏热,同时,还对恒温柜内部支撑系统计算了变物性下的导热漏热,得出了恒温柜系统的静态和动态热负荷分别为4.692W和38.4W,并分析比较了液氮冷屏采用夹层冷却方式与铜管缠绕冷却方式的优缺点,为流程模拟的参数确定提供了依据。

The affects of crystal absorption for heat radiation on crystal growth,which include:the heat loss of the hot grower,the chara cteristic of temperature time of crystal growth,the pattern of fluid flow and the shape of interface,the interface inversion of crystal,the temperature distribution and the thermal stress distribution,are reviewed in this paper.

本文综述了晶体对熔体热辐射吸收对晶体生长的影响,包括对热腔热耗散的影响;对晶体生长温度时间特性的影响;对液流形态和固液界面形状的影响;对晶体界面反转的影响;对晶体中温度分布和应力分布的影响。

The sweltering climatic conditions in summer make rooftops reradiate heat back to the surroundings after their absorbing and storing lots of solar radiation heat.

摘要 夏季高温炎热的气候条件,使建筑物屋顶在吸收大量的日射热之后,再将热以再辐射回到大气,导致城市的高温化,形成都市热岛现象。

The sweltering climatic conditions in summer make rooftops reradiate heat back to the surroundings after their absorbing and storing lots of solar radiation heat.

夏季高温炎热的气候条件,使建筑物屋顶在吸收大量的日射热之后,再将热以再辐射回到大气,导致城市的高温化,形成都市热岛现象。

This paper takes 9 kinds of different parameters high-property flame-resistant fabric which were often used for firefighter clothing as samples, TPP values and the time to 2 degree burn of the samples were tested through thermal radiation and thermal convective integrated experiments.

以9种不同结构参数的消防服用阻燃织物作为研究对象,采用FPT-30A火焰防护性能测试仪测试了织物在热辐射和热对流综合作用下,织物的热防护性能TPP值和二级烧伤时间t2。

In this paper, author proceeded with the thermal radiation law attempts to illustrate this problem by combining the thermal image and temperature measurement data on the ground. Meanwhile, some factors to be closely related to the emissivities have been represented.

本文试图从热红外辐射定律出发,结合白天和夜间的热红外遥感图像资料,以及地面温度测量数据来说明这一因素的影响,并较详细地讨论了一些与热红外发射率有关的影响因素。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。