A proximate formula for maximum use temperature of NdFeB magnets is devived according to their temperature characteristics and operation states.
依据NdFeB磁体的温度特性及工作状态,导出了NdFeB磁体最高使用温度的近似计算公式,从而能对具有某一矫顽力的NdFeB磁体所能使用的最高温度进行理论推测;亦可根据磁体工作时所要承受的最高温度推断磁体应有的矫顽力,合理选用相应牌号磁体。
According to the analysis of the mechanism of thermal insulation at high temperature under rigorous conditions, a new type of high temperature fire resistant and thermal insulating composites was designed and prepared, further the characteristics of its thermal insulation were investigated and compared emphatically.
并以此设计和制备了一种新型高温耐火绝热复合材料,重点考察和比较了其高温绝热性能,利用差示扫描量热法(DSC)、热重分析法(TGA)对研制材料的绝热机理进行了分析。
Estimating the maximum use temperature of thermal insulation
GB/T17430-1998绝热材料最高使用温度的评估方法
However, the hydration degree of binder, as well as the adiabatic temperature rise for high strength concrete, will be obviously decreased due to the increase of initial casting temperature.
但却会明显降低高强度等级混凝土所用胶凝材料的水化程度,使其绝热温升值下降。
Research on Magnetic Memory Technology to Evaluate Quality of Heat Treatment;
磁记忆用于材料热处理质量评估的方法研究
Research and application on the phenolic foam thermal insulation material
酚醛微孔绝热保温材料的研究与应用
Methods: To study electric rewarming bag which can keep the best temperature(42℃) by an automat.
方法:应用自动控温器,研制电热复温袋,使袋内温度始终保持在复温的最佳温度(2℃。
Method of test for insulation resistance and volume resistivity of insulating materials at elevated temperature
GB/T10581-1989固体绝缘材料在高温下绝缘电阻和体积电阻率的试验方法
heat insulation material
绝热材料,保温材料
Test method for curie temperature of pyroelectric materials
GB/T11297.10-1989热释电材料居里温度Tc的测试方法
Analysis of Thermal Insulation Characteristics of High-temperature Insulation Fiber Structure Materials
高温隔热纤维结构材料绝热特性分析
One method of reducing heat loss is to wrap the baby in an insulating material.
减少热量损失的方法之一是用绝热材料来包裹婴儿。
"The heater shall be insulated with not less than 3"(76mm) of Non-CFC foam."
热水器绝缘层应该采用无氟泡沫保温材料,厚度最小不得小于3英寸(76mm)。
Using several different sources forces you to step back and evaluate or triangulate them.
使用不同来源的资料可以强迫你综合各方看法,对原材料进行反复推敲和评估。
The methods for determination of the melting enthalpy and melting point of higy purity stannum by using precision adiabatic calorimeter are described, and the results are given.
介绍了用精密绝热量热计测定高纯金属锡的熔化焓、熔化温度及样品熔装的方法和结果。
a vessel of heat-resisting material used for high temperature chemical reactions.
用抗热材料制成的用于高温化学反应。
An example of evaluation for a target system by this method is illustrated at last.
最后给出了使用这种评估方法对目标系统进行评估的实例。
Automatic Test Instrument for Measuring Thermal Conductivity of High Temprature Powder Material With Heat Wire Method
采用热线法的高温粉体材料导热系数自动测试仪
The Applicaion of Fuzzy Will Max the Evaluation Method of Land Best;
应用Fuzzy使土地评估方法最优化
Improved Method for Calculation of Hot-spot Temperature in Power Transformer
改进的变压器绕组热点温度估算方法
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