吸热
- endothermal;endothermic;absorption of heat;decalescence
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[absorption of heat] 热的吸收
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DSC分析发现抗性淀粉有一个明显熔融吸热峰,最高峰值在90℃-120℃。
DSC analysis found there is a decalescence peak in over 90 ℃ - 120 ℃, the sweetpotato RS shows a unique peak .
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通过积分可知,前者的吸热量为后者的93.3%。
Besides the former decalescence content is 93.3 % that of the latter .
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PET玻璃化转变温度处双重吸热峰的研究
Study on the Double Endothermic Peaks at T_g of PET
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CO2跨临界循环吸热过程换热性能理论分析
Theoretical analysis of heat transfer performance for heat absorbing process in trans-critical carbon dioxide cycle
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ΔH≠>0,说明反应是吸热的即耗能的过程。
Δ H ≠> 0 , which showed the reaction is a endothermal process , namely consuming energy process .
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纯La2Mo2O9在580℃左右存在相变,但Fe、Ti掺杂样品没有出现相变过程的吸热峰。
The DSC results reveal that there is no endothermic peak for Fe-doped and Ti-doped sample .
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半导体Sn纳米团簇对太阳能吸热膜性能的影响
Influence of Nano-scale Semiconductor Sn Cluster on capability of Solar Endothermal films
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吸附焓变化(ΔH)值为4.16kJ/mol说明这一过程是吸热过程。
The changes of adsorption enthalpy value (Δ H ) of 4.16 kJ / mol indicated the endothermic nature of the adsorption process .
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差示扫描量热分析(DSC)在60.5℃处有一宽大的吸热峰。
Differential scanning calorimetry showed that it had a wide heat absorption peak at 60.5 ℃ .
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热力学参数表明,改性玉米秸秆对Cr(Ⅵ)的吸附是一个自发吸热过程,升高温度有利于吸附的进行。
The thermodynamic parameters showed that the adsorption of Cr ( VI ) onto MCS was an spontaneous and endothermic process .
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本文以奥托内燃机为例,讨论了热机的输出功与热效率的关系及在循环中吸热Q1可变的情况下与热机最大输出功和对应的效率。
This paper , giving an example of otto internal combustion engine , discusses the relation between the work output and thermal efficiency ;
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吸热型碳氢燃料RP-3仿JP-7临界性质(tc、pc)的测定
Determination of critical properties ( t_c , p_c ) of endothermic hydrocarbon fuels & RP-3 and simulated JP-7
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马铃薯淀粉、微晶马铃薯淀粉、乙酰化微晶马铃薯淀粉DSC曲线中的峰为吸热峰。
The peaks in DSC curves of potato starch , microcrystalline potato starch and acetylated microcrystalline potato starch were endothermic peaks .
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在复合材料DSC加热曲线上吸热峰所在的逆相变温度区间内,马氏体逆相变的平均速率较大;
In the temperature span of the endothermic peak of the DSC heating curve , the average transformation rate is relatively large .
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已用DSC分析该玻璃焊料,显示在510℃出现主晶相的熔化吸热峰,其开始熔化温度为445℃。
A main thermal absorption peak for melting at 510 ℃ with its beginning temperature 450 ℃ was revealed using DSC instrument .
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MPS对Cr(Ⅵ)的吸附量随着温度的上升而提高,吸附过程是吸热反应。
The Cr (ⅵ) adsorption capacity with MPS increased as the temperature increases , which indicates that the adsorption process was endothermic reaction .
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DTA曲线表现有186℃及784℃两个吸热峰及804℃的放热峰。
DTA curve shows two endothermic peaks near 186 ℃ and 781 ℃ and an exothermic peak at 804 ℃ .
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(Ni-Mo)基太阳吸热涂层中MoC生成机理的研究
Study on the formation mechanism of MOC in Ni-Mo based composite coating
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DSC检测颜料的热变色过程发现,样品在58-72℃之间出现一个强的吸热峰。
The thermochromic process of the paint was investigated by DSC , which showed one big peak of heat absorption at 58 ~ 72 ℃ .
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相变材料(PCM)容器是空间太阳能动力装置吸热&储热器的关键部件。
Container of Phase Change Material ( PCM ) is a key part of heat receiver in space solar dynamic power system .
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吸热型碳氢燃料用SAPO-34催化剂的合成与性能
Synthesis and properties of SAPO-34 catalyst for endothermic fuel
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DTA结果表明,N2H2与MoO3的程序升温反应过程中有放热峰和吸热峰,且随着升温速率的减小,峰面积逐渐减小。
The TDA results showed that exothermic and endothermic peaks were appeared in the reaction course .
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显然,硝酸盐的蒸发热是决定真空DTA曲线终端吸热峰的支配因素。
Apparently , the heat of vaporization of the nitrates is the dominant factor in determining the terminal endotherms on the vacuum DTA curves .
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热力学计算表明:在298-318K范围内,HGA对废水中氨氮的吸附是一个自发的吸热过程。
Thermodynamic analysis suggested that the adsorption of HGA to ammonia was spontaneous and endothermic .
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Cr(Ⅲ)的氧化量和氧化速率随着反应体系温度的升高而增加,且高温时Cr(Ⅲ)氧化量的增幅大于低温时的,表明此反应为吸热过程。
The amount and speed of Cr (ⅲ) oxidized increased as the temperature increased . The effect of temperature on Cr (ⅲ) oxidized in high temperature was larger than that in low temperature .
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这种设计加大了ICS太阳热水器的吸热面积,同时也降低了吸热面向环境的热损。
The ICS solar heater is designed with respect to increasing absorption surfaces and minimizing the heat loss from the absorber to the ambient .
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在热性能方面,添加PBS时,出现两个熔融吸热峰。5.采用DCP作为交联剂。
From DSC results , there were two melting endothermic due to PBS . 5 . DCP was used as cross-linking agent .
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TG-DTA分析表明353K干燥后的样品在TG曲线上有两个明显的失重过程,与DTA曲线相对应有两个吸热峰,第一个表示吸附水和丙酮的脱去过程,温度在393K,失重率为7.43%;
There are two weight-loss processes revealed in TG curve after the samples were dried at 353K .
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磷石膏DTA曲线在1100℃处出现吸热峰,说明此时的磷石膏已开始发生熔化与分解反应。
At 1100 ℃, there is a heat absorption peak in the DTA curves of phosphogypsum , which shows the phosphogypsum has beginning to melt and decompose .
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结果表明,随退火时间增加,从Tg转变吸热峰确定的过剩热焓松弛量、Tg温度、密度增加,而反式构象含量减少。
The results suggest that the amount of excess enthalpy relaxation as determined from the endothermic peak in T , interval , the Tg and density all increase with annealing time , but the trans-conformation component of samples decreases .