吸热反应
- 名endothermic reaction
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此外,K(4D)随着泡温和分子气体压力的增加而增加(吸热反应)。
Moreover , K_ ( 4D ) increase along with the increases of temperature and molecular pressure ( endothermic reaction ) .
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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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结果表明,~(99m)TcMIBI的制备反应为吸热反应,反应热ΔH为339.2kJ/mol,升高反应温度时,~(99m)TcMIBI的标记率也提高。
The result shows that the preparation of 99mTc - MIBI exhibits a endothermic reaction . The reaction heat (△ H ) was equal to 339.2 kJ / mol.
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主要原因为Ti-C-N2系反应是强放热反应,在球磨或后续热处理中,该反应放出的热量会加速TiO2碳热氮化吸热反应的进行。
It was main causes that heat energy released by Ti-C-N2 exothermic reaction during milling or subsequent heat treatment promoted TiO2 CRN endothermic reaction .
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结果表明,连铸过程钢水中已形成的TiN在结晶器内聚集,并与保护渣中SiO2和Fe2O3等氧化物反应放出氮气,由于是吸热反应,促使局部钢水冷却凝固形成结鱼悬浮钢块。
The results show that TiN inclusions formed in molten steel during concasting accumulate in mould and react with oxides - SiO 2 and Fe 2O 3 in flux to release nitrogen , and this is an endothermal reaction which promotes solidification of local molten steel to form floater .
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热力学研究表明,Ash-PT吸附过程为自发进行的吸热反应,升高温度有利于吸附过程的进行。
The thermodynamic study showed that , Ash-PT adsorption processes were spontaneous endothermic reaction , and elevated temperatures were conducive to the adsorption process .
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得出如下结论:1.取代反应的活化位垒是157.67kJ/mol,反应为吸热反应,吸热量为18.78kJ/mol;
The major conclusions can be summed up as follows : 1.The activation barrier of the displacement reaction is 157.67kJ / mol , and the reaction is endothermal by 18.78kJ/mol .
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建筑外围护结构的两类传热与吸热反应系数
Two kinds of reaction coefficient of heat transmission & absorption
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在很高的温度下,更多的吸热反应起作用。
At very high temperatures , more endothermic reactions play a role .
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随钙含量的增加,相变的开始和终了温度均显著升高,相变属吸热反应。
The phase transformation temperature range obviously raises as the Ca content increases .
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柴油非临氢降凝是强吸热反应过程。
Selectcracking is a highly endothermic reaction process .
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热力学参数表明,明胶与铬天青S的缔合动力是疏水作用,作用过程是吸热反应,结合过程嫡基本不变。
Thermodynamic parameters indicate that associating force between CAS and gelatin is hydrophobic interaction .
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结论药物与树脂的交换过程主要受树脂粒径和反应温度的影响,而且该离子交换反应是吸热反应,即升高温度有助于反应正向自发进行。
The exchange reaction was an endothermic and spontaneous reaction as the temperature increased .
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说明它们的热解过程均为吸热反应。
This explains that the thermal decomposition of medical waste is a heat-absorb process .
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前者异构化为吸热反应,后者为放热反应。
For the process of the isomerizations , the former is endothermal reaction , the later is exothermic .
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前者是吸热反应,释放可燃气体,后者是放热反应,提供阴燃所需的能量。
The pyrolysis reaction is an endothermic reaction and yields flammable gases , while the fuel oxidation is exothermic .
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其良好的高温绝热效果主要归因于吸热反应;
The excellent effect of the thermal insulation and fire resistant of the composites was mainly attributed to endothermic reaction .
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研究结果对具有强吸热反应的固定床反应器的设计和运行具有一定的参考作用。
The results are useful in the conceptual design and operation of packed bed reactor that is involved with strongly endothermic reactions .
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催化裂解是实现吸热反应的主要途径,而催化裂解结焦成为超高音速飞行器应用吸热型碳氢燃料的主要障碍。
Catalytic cracking is a primary approach for the endothermic reaction , however , coke formation during cracking is a primary obstacle .
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吸附过程是自发进行的吸热反应,适当降低床层温度有利于吸附过程。
The absorption process is a spontaneous endothermic reaction . Accordingly , adequate drop of bed temperature is helpful for the absorption .
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由推算出的热力学常数可知两者结合是吸热反应,结合过程伴随着熵的增加。
The thermodynamic functions of the binding reaction were measured , giving that the TU-BSA binding is an endothermic reaction that accompanies entropy increase .
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大部分沉积物样品对磷酸盐的吸附量随温度的升高而升高,呈现出吸热反应的特征,但有的沉积物样品却呈现出放热吸附反应的特征。
The phosphate adsorption capacities on most of the sediments increase with the increasing of temperature , showing the characteristics of endothermic reactions while some samples show the characteristics of exothermic reactions .
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没有催化剂时,柴油废气重整反应是吸热反应,水蒸汽重整反应和水煤气反应是主要反应,氧化反应是次要反应。
With the catalyst , the diesel fuel exhaust gas reforming reaction is endothermic , steam reforming reaction and water gas shift reaction are main reaction ; partial oxidation reaction is secondary .
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近年来甲烷二氧化碳重整制合成气引起全世界和产业界的广泛关注,但该反应是强吸热反应,能耗大并且催化剂易于积炭,因此该工艺过程亦难得到工业应用。
Carbon dioxide reforming of methane to syngas caused widespread concern in the industry over the world . However , this reaction is strong endothermic reaction , huge energy consumption and easy to cause carbon deposition .
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碳酸二甲酯与苯酚生成碳酸苯甲酯的主反应与生成苯甲醚的副反应的产物平衡浓度均随反应温度的提高而增加,表明两者皆是吸热反应。
Equilibrium yields of the main reaction to produce methyl phenol carbonate and the side reaction to produce anisole was increased with the increase of reaction temperature , which meant that both the main reaction and the side reaction were endothermic .
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焓变涂料是以在一定的温度区间内可发生吸热化学反应的物质为基料配制的,将其涂在砂型(芯)表面,可代替常规冷铁。
The enthalpy-change coating consists of some matters as a base material causing endothermic reaction at a certain temperature range , which acts as iron chill when placed on a mold or core surface .
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提出了一种新的高温气体余热回收方法-利用余热作为吸热化学反应的热源,使余热物理转化为反应产物所增加的化学。
A new method involved in waste heat recovery of high temperature gas , using waste heat as the heat source of an endothermic reaction so as to transfer physical exergy of the waste heat into chemical exergy of the reaction products , was presented in this paper .
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空间热离子辅助反应堆吸热的化学反应过程。
Space thermionic auxiliary reactor a chemical reaction accompanied by the absorption of heat .
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吸热的化学反应过程。产生酷热的化学试剂。
A chemical reaction accompanied by the absorption of heat . a chemical agent that causes blistering .
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一般来说,放热基元反应,结构过渡态出现在能量过渡念之后,吸热基元反应结构过渡态出现在能量过渡态之前。
Structure transition state occurs before energy transition state in endothermic reactions , structure transition state occurs after energy transition state in exothermic reactions .