查询词典 heat balance

From energy balance equation, using micro-piece analytical method, heat balance equation for high power fast axial flow CO〓 laser tube is established with the boundary conditions of actual fast axial CO〓 laser, the analyzed solution of the temperature distribution in the laser tube is obtained.

并应用热传导的物理边界条件，求出了热能平衡方程的解析解，得到了实际器件放电管横截面内的气体温度分布公式及温度分布曲线，并求得了激光功率变化对热致负透镜焦距的影响关系式。

Described the design of supercritical fluid extraction principles; combination of star anise essential oil of the nature of the proposed extraction conditions for extracting pressure 15MPa, extraction temperature 40 ℃, CO2 flow rate 830 ~ 850L / h, extraction time of 2h, the extraction conditions selected temperature swing separation, further development of the star anise crushed, CO2 super-critical phase transition, extraction, separation and packaging processes; in determining the production process on the basis of material balance, heat balance, extractor size calculation, piping calculation and packaging process is calculated; for the pollution occurred during the production, analysis of pollution sources, pollution control and waste treatment proposed measures; accounting of production costs and value.

本设计阐述了超临界流体萃取技术的原理；结合八角精油的性质，提出萃取条件为萃取压力15MPa，萃取温度40℃，CO2流量830～850L/h，萃取时间2h，根据萃取条件选用变温变压的分离方式，进一步制定了八角粉碎、CO2超临界相变、萃取、分离和包装等工序；在确定的生产工艺流程的基础上进行物料衡算、热量衡算、萃取釜尺寸计算、管路计算和包装工序计算；针对生产过程中出现的污染，分析污染的来源，提出控制污染和废料处理的措施；核算生产的成本和价值。

Author has described the existing problems in the production after being changed from cylindrical gasifier to conical gasifier from aspects of pressure drop of system,material balance,heat balance,slag transition area,ash tray diameter,flow protection plate,entrainment under gasifier and gasification strength etc.

从系统阻力、物料平衡、热量平衡、炉渣过渡区、灰盘直径、防流板、炉下带出物、气化强度等方面阐述了造气煤气炉由直筒形改为锥形炉后生产中存在的问题；论述了煤气炉阀径与工艺流程的选配原则；阐明了锥形煤气炉的生产水平低于直筒形炉气炉的观点。

At the same time, in the transmission system of construction machinery up-to-date, the power transferred by the transmission is improved greatly, while the gear friction is adopted in the transfer structure, so the heat loss will influence both the lubrication and cooling of the system, and the working intensity of the structure components. Therefore, the correction of the heat balance is necessary to the system.

同时，在现代工程机械的变速传动系统中，由于行星变速箱所传递的功率有了大幅的提高，但传递结构依然大量采用齿轮摩擦传动，其热损失不仅对系统的润滑和冷却有影响，而且对结构元件的工作强度也具有很大的影响，因此，也需要对该系统进行热平衡校核。

High freezing point oil reservoir ; in_situ heat fracturing treatment ; wellbore temperature profile ; heat balance equation ; mathematical model

高凝油油藏；自生热压裂技术；井筒温度场；热平衡方程；数学模型

Exploiting the high temperature fluxion character of grate cooler clinker, the filling state during entire colling process can be determined. Then impact on the control model can be analyzed introducing by the fluctuating of the clinker's thinkness and diameter. a modeling method with three dimensions division is proposed. The Longbeige step-changing dichotomy is used to optimize the division time toward z direction. Then the mass balance and heat balance analysis for every cell derived from clinker's three dimentions division is presented. Finally, the clinker temperature field's unitary control model with deducing in x, y, z direction separately is constructed.

从篦冷机熟料的高温流动特性入手，确定熟料在流动过程中的填充状态，分析熟料厚度与颗粒直径波动对控制模型影响，提出对篦冷机熟料采用三维分割的思想进行建模；设计了基于龙贝格变步长的三维分割算法，对z方向的分割次数进行优化；分析流动状态下熟料微元的质量平衡与热平衡关系，分别沿x、y、z方向递推，建立篦冷机熟料整体控制模型。

Classification and operating ways of reactors, all kinds of material balance and heat balance in

产和解决生产中出现的各种工程技术问题奠定基础。

Feasibility of the process was investigated by calculating material balance and heat balance.

通过物料衡算和热量衡算，对连续悬浮结晶工艺的可行性进行了分析。

Based on the fundamental of distillation, MESH model including equations of mass balance, phase equilibrium, mole fraction summations and heat balance for atmosphere-vacuum distillation column was established. The key parameter such as temperature and pressure of product was obtained through solution of the model on Pro/Ⅱ platform. The comparison of simulation results with requirement of spot technology was analyzed.

基于蒸馏原理，对常减压蒸馏塔建立包含质量平衡、相平衡、摩尔分数归一化和能量平衡等方程构成的MESH模型，在Pro/Ⅱ平台上进行流程模拟，获得各塔侧线产品的温度和压力等关键参数，并与现场工艺要求进行对比。

The "oil-burning into coal-burning project" in the drying system of a 600 kt/a DAP facility at Wengfu Phosphate Plant is summarized on its controlling indices and process. By heat balance,a heat charge of 3.03×107 kJ/h is needed and a GXDF-8 fluidized-bed furnace is employed with the heat capacity of 3.36×107 kJ/h.

对贵州瓮福磷肥厂600 kt/a磷铵装置烘干系统由燃油改燃煤的工程进行总结：干燥系统的控制指标；燃煤系统的工艺流程；通过供热系统的热量衡算计算出需供热量3.03×107 kJ/h，选定GXDF-8型沸腾炉(3.36×107 kJ/h)；&油改煤&工程的试车及整改情况。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。