• 计算寿命估算参数

    Furthemore the thermal lifetime parameters were calculated.

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  • 此外烷交联聚乙烯寿命评定试验及其结论作了简要说明。

    Brief remarks on the evaluation of the thermal life test of Si-XLPE and its conclusions are made.

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  • 本文研究紫胶树脂漂白过程分子量寿命、碘价、羟基含量变化情况。

    The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.

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  • 相比传统电缆允许改良散逸以及长的电线寿命

    This allows for improved heat dissipation and greater flex life performance over traditional round cables.

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  • 因此,考虑老化材料性能的影响可能得到准确疲劳寿命预报

    So considering thermal aging effect to rubber may give an accurately result to predict the fatigue life.

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  • 探讨高炉长寿问题,建立了套高炉寿命评价系统模型确定影响高炉长寿各种因素冷却器极限温度值

    A system model for evaluation of BF life is created so as to determine each factor influencing the BF life and the temperature limit in hot surface of the cooler.

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  • 采用分析方法对高性能材料聚苯醚砜(PPSS)氮气气氛空气气氛中的老化寿命进行了研究。

    The thermal degradation of Poly (phenylene sulfide sulfone) (PPSS) was studied by thermogravimetric analysis in both nitrogen and air to determine the thermal lifetime.

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  • 本文从能量观点经验统计出发,提出两种快速评定漆包线老化寿命公式和方法

    On the basis of activation energy changes and experimental statistical method, we suggest two methods for the rapid estimation of thermal life of enamelled wires.

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  • 航天领域涂层材料性能退化影响航天器寿命关键因素之一,因而研究性能退化规律,对于航天器寿命预测具有非常重要的意义。

    In the spaceflight domain, performance decline of the thermal control coat is key factor which affects the space equipments 'life, so research its 'performance decline rules is very significance.

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  • 检查振动更换必要的,因为可以创造振动,损坏零件设备寿命缩短

    Inspect vibration pads and replace as needed because vibration can create heat, damage parts, and shorten equipment life.

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  • 结果表明,烧结-静压制作的硬质合金孔洞消除了,并且硬质合金抗弯强度和弯曲疲劳寿命大幅度提高

    The results showed that cemented carbide manufactured by sinter-HIP is free of porosity and transverse-rupture strength, bending fatigue life are also greatly increased.

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  • 提出了分子真空寿命这一新的物理量并以此概念推导测量气体分子适应系数方法

    The new physical concept "molecule vacuum life" is presented, on which the method of measuring the thermal adaptation coefficient of gas molecule is deduced.

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  • 通过相关案例分析,提出稳态变化作为功率器件寿命试验合格判据之一建议。

    This paper suggests that the change of the steady state thermal resistance should become one of the criterions of the life test.

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  • 本文空调器印刷电路板(PCB)通孔插装形式无铅焊点疲劳寿命进行了研究。

    Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.

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  • 进行相关分立器件分析时发现,稳态功率器件寿命试验结果影响较大

    The steady state thermal resistance has important influence on the life test by researching the discrete semiconductor devices.

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  • 经瓷体强度实验、抗弯曲实验、焊接实验、加速寿命实验,其各项指标合格

    Strength and bending resistance test, welding heat test and highly accelerated life test (HALT) were retested up to grade.

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  • 采用红光单、双掺铌酸锂晶体中全息光栅固定效率光擦除存储寿命的特性进行了深入的实验研究

    In this paper, the factors of affecting thermal fixing efficiency, and lifetimes of fixed gratings under both illumination and dark conditions are analyzed theoretically.

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  • 能量密度较小激光重熔试样具有高于等离子喷涂试样寿命

    It was indicated that the higher laser energy input is harmful for thermal shock lifetime of LR TBCs.

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  • 疲劳寿命评价柴油机可靠性一个主要指标

    Low cyclic thermal fatigue life is an important parameter for evaluating the reliability of diesel engine.

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  • 扫描计(DSC)正电子湮没寿命PALS)方法表征了两种不同物理老化条件试样凝聚结构以及自由体积的差别。

    The free volume and cohensional entanglement structure of samples preapared under two different thermal conditions were measured by positron annihilation life spectroscopy (PALS) and DSC.

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  • 、鹅、压射头料壶司筒采用德国优质制造,使用用寿命

    Nozzle, gooes neck, injection plunger head and melting pot sleeve are made from hot work steel from Germany, so their life spans are long.

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  • 采用模拟方法,对EH36MOD焊接影响粗晶区(CGHAZ)相变超塑性及其疲劳寿命的影响进行了研究

    The transformation superplasticity in welding CGHAZ (Coarse Grain Heat Affected Zone) of EH36MOD steel and its effect on fatigue life have been studied with thermal simulating method.

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  • 采用活化技术E’电子自旋共振信号估算沉积物石英空位心的平均寿命

    The average life of oxygen vacancies in quartz from sediments were estimated using ESR signal intensity of E' centers by thermal activitation technique.

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  • 本文介绍提高成形寿命综合技术措施

    The paper studies the comprehensive technical measures to prolong the life of the hot press roll forging die.

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  • 活塞疲劳性能柴油发动机寿命至关重要。

    Thermal fatigue behavior of the piston is vital to the overall life-span of diesel engines.

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  • 不仅如此启动加速供电系统产生强烈冲击,并因此导致损耗减少马达寿命

    That's not all, the acceleration on start-up has a massive impact on the electricity supply charges, and in turn this also leads to heat losses dramatically reducing the life of the motor.

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  • 传统机械相比具有无污染结构简单运行可靠寿命的优点。

    Compared with traditional mechanism, thermoacoustic engines have various advantages such as no pollution, simplicity, reliability, longevity and so on.

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  • 探讨钨铼氧化技术稳定性使用寿命

    Antioxidation technique, stability and working life of the W-Re thermocouple were studied.

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  • 探讨钨铼氧化技术稳定性使用寿命

    Antioxidation technique, stability and working life of the W-Re thermocouple were studied.

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