It is applicable to exact constant temperature and calefaction or refrigeration on the college, industry mine and scientific research institute. 供大专院校、工矿企业和科研单位精密恒温和辅助加热或制冷之用。
These special features provide a basic condition for calefaction system and controlled cooling processes of vanadium middle carbon steel. 这就为制定含钒中碳钢加热制度和控冷工艺提供了基本条件。
Microwave irradiation as a spread medium and calefaction energy sources is widely applied in all fields of science. 微波技术作为一种传播介质和加热能源已被广泛应用于各个科学领域。
The calefaction and acceleration process of ceramic powders in plasma spray were studied by numerical simulation. 通过数值模拟研究了等离子喷涂陶瓷粒子的加热加速行为。
Secondly, the different influencing factors and disciplinarian on biomass pyrogenation were analyzed by two experiment methods-constant temperature and lined calefaction. 其次,采用恒温和线性升温两种不同的实验方法,对影响生物质材料热解的各种因素进行了分析,进而得出了影响生物质材料热解的主要因素和影响的一般规律。
The technical and economic comparison between electricity thermal storage and electricity direct calefaction. 电蓄热与电直接加热的技术经济对比分析。
The author sets forth the basic principle and general steps about checking device air tightness of chemistry experiment, and combines instants introducing usual inspecting methods, calefaction, water injection, air blowing; air exhausting and subsection etc. 阐述了检查化学实验装置气密性的基本原理和一般步骤,并结合实例介绍了检查装置气密性常用的加热法、注水法、鼓气法、抽气法和分段法等。
Based on the advantages of low temperature hot water floor radiation heating system, the calefaction tube selection principle and notice proceeding are expounded. System hydraulic calculating mathematics model is established and four kinds in common use tubes hydraulic calculating table are proposed. 根据低温热水地板辐射采暖的许多优点,阐述了低温热水地板辐射采暖系统加热管的选择原则及注意事项,建立了系统水力计算的数学模型,给出了四种常用管材的水力计算表。
In preparation of zirconia sol, the reaction mechanism of H_2O_2 and the influences of dosage of H_2O_2 、 the manner of calefaction on stability of sol were researched. And then the perfect technological condition was established. 在氧化锆溶胶的制备当中,研究了H2O2的作用机理以及双氧水加入量、加热方式等对溶胶稳定性的影响,确定了最佳的工艺条件。
With pyridine as catalyst, the yield was raised from 61.6% ( under traditional calefaction) to 81.6% ( under microwave irradiation), and the reaction time was decreased to 1/ 100 times. 以吡啶为催化剂,目标产物产率由传统加热下的61.6%提高到微波辐射下的81.6%,反应时间缩短为传统的1/100;
When temperature is less than lower limit, calefaction circuit starts. 温度低于下限,启动加热。
Desorption test investigate the influence of the test condition to activated carbon adsorption test, Seeing about the influence factor of the microwave power 、 the calefaction time of microwave 、 the flow velocity of carry gas. 解吸试验研究了实验条件对活性炭解吸试验的影响,考察了微波功率、微波加热时间、载气流速等对活性炭的影响,并提出最优试验操作条件。
Consideration the equipment of Changji oil pipeline, import pump will be installed in there calefaction station. The optimization running was calculated. 在考虑长吉线的现有设备基础上,提出在3个加热站各安装一台进口泵,并进行优化计算。
If the policy of electric power is applied, off-peak electricity thermal storage is compared with electricity direct calefaction, its expense of energy consumption is the lower. It can bring profit. 如果采用分时电价政策,电蓄热与电直接加热相比,加热相同数量的热水,它的能源消耗费用低,能带来很好的经济效益。
Development of High Speed Calefaction and Realtime Measuring System for High Temperature Target on the Light-gas Gun 轻气炮高温靶快速加热及测试系统的研制
Using a dispersive particle model and a particle tracking technology, a three-dimensional computational particle model on supersonic oxygen/ air fuel ( SO/ AF) spray was constructed and the processes of particle acceleration and calefaction were simulated. 在超音速火焰流场数值模型的基础上,应用离散惰性粒子模型和粒子追踪法,建立了三维分析模型,对超音速火焰(SO/AF)喷涂粒子速度特性和温度特性进行了数值模拟。
The criterion of the optimizing arithmetic to choose voltage is the relationship of slag thickness and arc length in the beginning, and it is the fast calefaction velocity or the economic velocity in the middle and in the end. 模型寻优算法在冶炼前期选择电压应以炉渣厚度和电弧长度为依据,冶炼中后期工作点的选择应以最快加热速度或最经济加热速度为依据。
The paper bring forward the scheme of calefaction to heavy oil by the cooling water of diesel engine according to the actual condition of locomotive, so that the viscosity be controlled. 为此,本文针对机车工作环境的实际情况,提出了采用机车柴油机冷却水作为热源来加热燃油,从而控制燃油粘度的方案。
Methods: Temperature controller and relative circuits were used in the water bath for calefaction and heat preservation with temperature adjusting when necessary. 材料与方法:采用温度控制器和相关电路实现水浴的加热和保温,需要时温度可调节。
Application of Induction Calefaction Temper Process in Part of Multifunctional Bayonet 多功能刺刀局部感应加热回火工艺应用
The theory of corrosion caused by salt mediate furnace which lead to the bayonet defect was analyzed and the effects of induction calefaction temper process on softening bayonet were studied, in order to improve productive process of bayonet and the quality of military products. 为了改进多功能刺刀生产工艺,提高军品质量,分析了盐浴炉对刺刀体局部软化时产生腐蚀的机理,研究了感应加热回火工艺对刺刀体局部软化效果的影响情况。
The Relation Acoustics Condition and Calefaction Condition with the Work Frequency of Pulse-jet Engine 声学和加热条件对脉动发动机工作频率的影响
On-Off outputting module fulfills calefaction control of calefaction tube by solid state relay. 开关量输出模块通过固态继电器对加热管进行控制;
The conclusion is that the calefaction condition intensively works on the work frequency of a pulse-jet engine in the change range of the diameter of the cylindric part of the combustion chamber in the paper, on which the acoustics condition has a little effect. 结果表明,在燃烧室柱部直径变化范围内,声学条件对发动机工作频率的影响不大,加热条件则显著改变发动机的工作频率。
Throttling on ground need to use calefaction and heat preservation equipment to rise and keep the temperature of natural gas stream lest hydrate form. 常规的地面节流工艺,节流前需用地面加热保温装置对天然气加热,提高气流温度以免形成水合物堵塞。
The three main factors of affecting the accuracy of Permanganate index determination are blank value. water bath calefaction time and titrating time. 影响高锰酸盐指数测定准确性的三个主要因素是空白值、水浴加热时间和滴定时间。
From the beginning of analysis the crank shaft invalidation mode, investigating the mechanism of nitriding layer and the characteristic of induction calefaction, by adjusting the test parameters to strengthen the metal surface. 从分折曲轴的失效模式开始,研究渗氮层的形成机理、感应加热的相变特点,通过调整试验中的相关参数从而达到强化金属表面的作用。
Taking optimization of a real thermal process into account, the intermittent calefaction mode is superior to the continuous. Adopting high temperature of combustion air and relative large excess air ratio is an appropriate combustion mode which is reasonable and economical relatively. 从热工制度优化角度,保温炉采用间歇式的大火加热方式比连续式的慢火加热效果要好;采用较高的助燃空气温度的和较大的空气过剩系数是比较合理和经济的燃烧方式。
The heating furnace is the extensive-used calefaction equipment in the process of production, excavating and piping of crude oil, and plays an important role in the process. 油田加热炉是石油生产和集输过程中广泛使用的加热设备,在油田石油集输过程中,起着举足轻重的作用。
And the desulfurization augments rapidly along with the temperature, calefaction time, oxygen concentration and a decrease in the coke particle size. 研究表明,脱硫率随温度升高、加热时间延长、氧浓度提高和焦粉粒度减小而迅速升高。