Occasionally, when temperatures exceeding the boiling point of water are used for pasteurization, the final stage of heating is accomplished using direct steam injection. 偶尔,当巴氏杀菌的温度超过水的沸点时,最后的加热段使用直接喷射蒸汽来完成。
In the first stage ( large heating sublimation stage), product temperature lower than the eutectic point of a range. 在升温的第一阶段(大量升华阶段),制品温度要低于其共晶点一个范围。
Helps eliminate stage rumble or other low-frequency room noise such as that coming from heating, ventilation, or cooling ( HVAC) systems. 有助于消除舞台上的嗡嗡声或其它来自暖通空调(VAC)统的低频室内噪音。
Normally, this final stage of heating is accomplished after the product temperature has been raised to a significant level using a plate heat exchanger or similar heat exchange system. 通常,将产品用片式热交换器或相似的热交换设备升到很高温度以后,加热阶段才完成。
It is the integrated vacuum sensor with pulse-width modulated output. It is composed of temperature sensing stage, heating stage, and Schmitt trigger. 由温度敏感级、加热级和施密特触发器与在加热级和温敏级间的衬底热通路一起构成一个闭环传感器系统。
The rapid coalescence of the primary dendrites during the initial stage of the heating resulted from the diffusion of the interdendritic eutectics towards the dendrites. 加热初期晶粒的快速粗化是由共晶组织向晶内的迅速扩散引起的。
In the latter stage of heating and holding silicium promotes graphitization remarkably. 硅在升温的后期和保温阶段,显著地促进了石墨化。
In the stage of tropical cyclone, the cumulus convective heating and large-scale latent heating are the main factors to maintain its vertical motion. 结果表明:(1)在热带气旋阶段,积云对流加热和大尺度凝结加热是维持其垂直运动的主要因子;
Testing and analysis of double stage coupling pump heating performance in cold climate 寒冷气候条件下耦合双级热泵制热性能实测与分析
The commissioning is the last construction stage of a nuclear heating project. The commissioning quality will directly affect on the safe operation and availability of the heating reactor. 调试是核供热工程建设的最后阶段,调试质量的优劣将直接影响供热堆的安全运行和可利用率。
Dividual simulation method was put forward in the model. In this method laminar flow model and S2S radiation model were used in vacuum heating stage, and k? ε turbulence model and DTRM model were adopted in low-pressure and high-pressure argon heating stages. 提出分段仿真方法,即在真空加热阶段采用层流模型和S2S辐射模型,在低压和高压氩气加热阶段采用k-ε湍流模型和DTRM辐射模型。
The obvious peculiarity of extracting oil of highly-watery stage is that the total liquid yield rises ceaselessly and the temperature of out well also increases, this has the condition which makes the well whole year or seasonal without heating transportation come true. 油田进入高含水采油期的一个显著特点是总液量不断上升,井口出油温度升高,具备了全年或季节性不加热输送或降低掺水温度输送的条件。
Organic matters are in the high and ultra mature stage, which is thought to be influenced by both heating and biodegradation. 有机质演化受热和生物降解双重作用影响,处于高成熟到过成熟阶段;
The simulated results of optimal intermediate pressure and transfer temperature from single-stage compression to two-stage compression are given, and the heating capacity, COP, and compressor discharge temperature are simulated. 给出系统最佳中间压力和单级压缩和双级压缩转换点的模拟结果,并对双级压缩制热情况下系统制热量、制热性能系数和排气温度的变化规律进行了模拟分析。
In the stage of cold production, two lifting methods as screw pipe pump and rod pump can be applied, with assisting viscosity reducing measures which include adding viscosity reducing agent through the hollow rod or the production casing annular and electrical rod heating. 在冷采阶段可采用螺杆泵和有杆泵2种举升方式,均需辅以降黏措施,降黏方式有空心杆掺入降黏剂、油套环空掺降黏剂和电杆伴热3种。
For the transitional stage, the cumulus heating and the two conversion functions increase greatly, the boundary transport tends to be favourable, meanwhile, the zonal mean flow begins to provide perturbation energy for the monsoon. 过渡期,积云加热增强明显,两个转换函数值迅速加大,边界输送作用也明显朝有利方向变化,同时,纬向平均气流变为向季风供应扰动动能;
At the low-temperature heating stage ( lower than 1200 ℃) of the heating cycle, the dissolution was characterized by shrinkage of particles, the number of particles did not decrease noticeably, indicating that particle coarsening was very weak. 在焊接热循环的低温加热阶段(室温至1200℃以下),粒子的溶解以粒子的尺寸减小为主要特征。
Optimization of heat exchanger area for double-stage coupling heat pump heating systems 双级耦合热泵供暖系统换热面积优化
A two-stage compression variable frequency air source heat pump has been developed combining variable frequency technology with two-stage compression cycle, and two control model with the priority target as coefficient of performance ( COP) or heating capacity is advanced in this paper. 将双级压缩和变频技术有机结合,开发出一种适用于寒冷地区的双级压缩变频空气源热泵系统,并提出双级压缩制热工况下效率优先和制热量优先双控制模式。
Frequency conversion system are applied in composite heat pump system consisted of single stage heat pump and twin coupling heating system 变频系统在单、双级组合式热泵空调系统中的应用
Through an analysis of the temperature field of the furnace bottom, significant difference is found from that of one-dimensional temperature field at the initial stage of heating. However, along with the process of heating, the difference gradually diminished. 通过对炉底的二维温度场分析,发现温度场在加热前期差异显著,但随着加热的进行,差别逐渐减小。
The preparation process and relationship between microstructures and dielectric properties were discussed. Firstly, five approaches ( Solution Method, Hot Stage Heating Method, Flocculation Method, Grinding Methods and Extrusion Method) were adopted to fabricate the MWNT/ PVDF composites. 首先在制备工艺的研究中,分别采用了溶液法、热台加热法、絮凝法、球磨法及挤出成型法制备了分散状态各异的纳米复合材料。
And the paper lists the parameters of main operation and machinery on centrifugal extruder. There are centrifugal field, rotate speed, power, shear rate, normal stress difference in disk stage seal capability and heating transfer. 同时,本文也阐述了离心式挤出机主要工艺参数以及结构参数的设计,其中包括离心力场、工作转速、剪切速率、传热能力、密封能力以及圆盘熔融段法向应力等。
This cycle took the advantages of the two stage cycle, double effect cycle and the TYPE 2 absorption heat pump. It can self support a second heat source at the user site and lift the output heating temperature without extra transporting burden. 该循环综合了两级循环、双效循环以及第二类热泵的优点,能够实现在用户端自备第二热源从而提高用户端输出温度的目的但没有增加输送负担。
In the stage of decomposition, differential thermal analysis was used to investigate the reason of the low heating rate in traditional calcinations route. 在薄膜的分解阶段,本论文首先采用差热分析手段对各原料组分在分解过程中的热力学行为进行分析,以研究在传统分解工艺中导致其升温速率缓慢的原因。