放热反应

H为负值且较大，其吸附过程为自发的放热反应。

H was negative . The sorption process was spontaneous exothermic reaction .

N-正丁基异辛酰胺萃取Pt（IV）的反应是放热反应，反应热为–10.52kJ·mol-1。

The extraction reaction is an exothermic reaction and ?

间的放热反应引发C和未反应完全的Ti反应生成TIC；

Above 900 C , C reacts with remain Ti to form TiC triggered by the exothermal reaction of Ti and Al ;

用预热的方法可以解决自蔓延合成SiC过程中硅与碳弱放热反应热量不足的问题。

Although SiC SHS process is a weakly exothermic reaction , SiC powder can be synthesized by using preheating SHS method .

DSC分析发现紫胶硬树脂改性酚醛树脂的放热反应温度更低一些。

The DSC analysis discovers that the modification of PF resin with hard resin cure faster than general PF .

结果表明化合反应是一种放热反应，放热量受Al含量、加热速度、粉末颗粒尺寸、压制密度等因素的影响。

The results showed that the heat of synthesis reaction is affected by Al content , heat rate , powder size , compacts density and so on .

3种树脂的吸附等温线都能很好的利用Freundlich方程进行拟合，吸附皆为放热反应且为优惠吸附；

All the adsorption isotherms can be well represented by Freundlich equation .

Ni在Ti-C-Ni体系中参与了放热反应。

Ni participates in the exothermic reaction of Ti-C-Ni system .

本文利用奇异理论和突变理论，分析了单颗粒催化剂上n级不可逆放热反应体系多定态解的结构。

By using the singularity theory and catastrophe theory , the multiple steady state structure of n or - der irreversible reaction which takes place on a single catalytic pellet was analysed .

利用Al－Ti－TiO2体系放热反应，采用自蔓延高温合成工艺。

TiAl base composites reinforced by submicron Al2O3 particles were produced by Self-propagating High-temperature Synthesis ( SHS ) in use of the exothermic reaction of Al-Ti-TiO2 system .

管道中腐蚀产物的热分析表明，在170℃～350℃温度区间，存在一个强放热反应，热焓值H为256.8J／g，该反应可能为FemSn转化为FexOy反应。

Thermal analysis of corrosion product sample shows that a strong exothermic reaction exists between 170 ℃ to 350 ℃, the enthalpy value ( H ) is about - 256 . 8J / g.

最后指出，随着放热反应能力的增加，Le数对热流的影响减弱。

Finally , it was indicated that the effect of Lewis number on heat transfer decreases as the capability of heat generating reactions increases .

利用Si、C、Ti体系的放热反应得到SiC/TiC复相陶瓷，其中Ti+C含量要大于25%，否则燃烧反应无法完全进行。

SiC / TiC composite was gained by combustion reaction of Si , C and Ti system where the content of Ti + C should be larger than 25 % to achieve complete combustion reaction .

试验结果表明，铝熔体与SiO2颗粒能发生放热反应，从而制备出Al／Al2O3颗粒原位复合材料。

Experiments show that , an exothermic reaction between aluminum melt and granular SiO2 takes place , thus , Al / Al2O3 granular composite material in situ is prepared .

传统供热燃烧是利用燃料和氧化剂的反应获得热能。自蔓延高温合成（SHS）则是利用燃料和氧化剂的放热反应制备有用材料。

Combustion exothermic reaction to prepare materials is referred to as Self-propagationHigh-temperature Synthesis ( SHS ), which is different from conventional combustion providing heat .

SDS结合纤维素酶的亲和力较弱，为较小的放热反应，并伴随着一定程度的熵增，为焓和熵共同驱动的反应，而且存在着显著的焓-熵补偿作用。

The binding of SDS to cellulase is driven by a favorable entropy increase with a less favorable enthalpy decrease , and shows strong enthalpy-entropy compensation and weak affinity .

而反应（3）是放热反应，放出的能量为12.29kcal／mol。

Reaction ( 3 ) is the exothermic reaction with the energy of 12.29kcal / mol ?

第二个反应为放热反应，生成ClOCl和NO2放出的热量为21.511KJ/Mol；

The second one is the endothermic reaction , the reaction energy is 21.511KJ/Mol .

其主要原因是由于MPC成分的水化反应本身是一个放热反应，有利于加快胶泥内部水分蒸发。

The main reason is due to components of hydration MPC itself is an exothermic reaction , and is conducive to speeding up the internal clay evaporation .

本文采用燃烧合成工艺，利用Al-Al2O3-N2体系放热反应，成功制备了AlON致密陶瓷，研究了其工艺规律。

In this paper , compact AlON ceramics were prepared successfully by Combustion Synthesis process using exothermic reactions in Al-Al_2O_3-N_2 system .

结果表明，该环氧树脂与改性液体酸酐的固化反应为放热反应，DSC测定的反应热焓为272～335J/g；

It was shown that curing reaction of this kind of epoxy resin with modified liquid anhydride was an exothermic reaction , and the reaction enthalpy determined by DSC method was 272-335 J / g.

实验工作针对放热反应的特点采用自蔓延合成方法（SHS），利用单质反应元素在氩气环境下合成MoSi2及MoSi2/SiC复合相。

On the basis of the exothermic reaction , molybdenum disilicide and MoSi 2 / SiC were synthesized from elemental reactants in argon atmosphere by self propagating high temperature synthesis method .

而第二步由LPC再次脱脂肪酰基生成GPC的反应为放热反应，降低温度有利于反应的进行，△Gθ（T）为负值，此步反应可自发进行。

The second step for generating GPC from LPC was exothermic , and lower temperature favored this reaction ; while the AGe θ( T ) was negative , this step can be carried out spontaneously .

甲烷部分氧化制合成气是高转化率、高选择性、高空速、低H2／CO比、温和的放热反应，它很有希望代替常规的水蒸汽重整法。

Partial oxidation of methane to synthesis gas is a promising alternative to conventional steam reforming due to its high conversion rate , high selectivity , high space velocity , low H2 / CO ratio and mild exothermicity .

讨论了放热反应物在满足热爆炸条件时临界表面温度梯度Γ（cr）和热传递条件（Biot数Bi）的关系。

The dependence on the heat - transfer conditions ( Biot number Bi ) of the temperature gradient at the surface , Γ , of an exothermic reactant mass at criticality for thermal explosion is presented .

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 .

粉煤灰沸石对NH3-N的吸附容量随温度的增加而下降，表明该吸附过程属于放热反应。

It was found that adsorption capacity on synthesized zeolite decreased as the temperature of coking wastewater ascended which showed that the adsorption would belong to one kind of exothermic reactions .

PDAC改性灰对COD的吸附过程属于放热反应，在低温下吸附容量较大，有利于吸附反应的进行。

The adsorption process of COD on PDAC-fly ash would belong to one kind of exothermic reactions , a larger adsorption capacity at low temperature was conducive to adsorption reaction .

本文针对Mg-Ni弱放热反应体系从热力学及结构动力学两方面进行了较为全面的研究。

In this paper , a relatively general research on the weak exothermic reaction system of Mg_2Ni has been made from thermodynamics and structure dynamics .

采用阿基米德方法分别测量了含24%（摩尔分数）B的LiB合金反应完全并经冷挤压后的样品和未经第二次放热反应中间样品的密度，综合分析了以往不同研究者所测量的结果。

For the 24 % ( mole fraction ) B Li B alloy , the densities of the specimen fully reacted and cold extruded and the specimen without second exothermic reaction were measured , respectively . Several experimental results of previous different researchers were discussed .