
[化学] 分解反应
The kinetics of N2O decomposition reaction indicates, it can be described as first order reaction with respect to N2O.
反应的宏观动力学的研究表明,这一系列的复合氧化物对于N_2O的分解反应是一级反应。
Result showed that the thermo decomposition reaction of DH170T had higher resistance, lower reacting rate and longer service life than TR2000.
结果表明:与TR2000相比,国产电缆护套料DH170T的热分解反应阻力大、 反应速度慢,因而寿命更长。
The preparation and catalytic performances for thermochemical decomposition reaction of H_2S to H_2 of several catalysts of iron sulfide were investigated.
用不同方法制备了几种硫化铁催化剂,研究了其对H_2S分解制取氢气反应的催化性能。
It is difficult to speak about a definite direction of the decomposition reaction.
很难说它的分解反应有一定的方向。
This review provides many kinds of adsorbed ozone forms on the catalyst surface and the kinetics and mechanism of ozone decomposition reaction.
本文介绍了催化分解臭氧过程中,臭氧在催化剂表面的吸附形态,及各种条件下的反应下臭氧催化分解的动力学和机理。
As a result the thermodynamic and kinetics of the thermo-decomposition reaction of cobalt nitrate can be controlled by controlling the solubility of the precipitated sodium nitrate.
通过控制硝酸盐热分解的热力学和动力学实现了对热分解产物纳米晶的成核与生长的控制。
Under linear temperature increase condition, the thermal decomposition reaction of NC are experimentally stu***d, and a mechanism for this reaction is proposed based on the results.
用上述方法研究了在线性升温条件下NC的热分解反应。根据所得结果,提出了该反应的机理。
The mechanism and kinetics of the thermal decomposition reaction of Bombyx-mori cocoons are stu***d by means of the TGA and IR methods.
本文用热重分析法(TGA)研究了桑蚕茧的热分解动力学和反应机理。
The acid decomposition reaction of phosphate rock is not the exchange between ions, but the exchange between functional groups.
磷矿酸解反应并非是离子间的交换,而是功能基团之间的交换。
The apparent activation energy and the preexponential constant of heat decomposition reaction were evaluated.
估算了热分解反应的活化能和指前因子;
N-guanylurea dinitramide(GUDN) was synthesized with N-guanylurea hydrochloride as primary substance by hydrolysis and double decomposition reaction in turn and the overall yield of GUDN is 79%.
以盐酸脒基脲为原料,通过水解、复分解反应,合成了N-脒基脲二硝酰胺盐(GUDN),总收率可达79%。
The results showed that the decomposition reaction of hemin in the presence and absence of SDS corresponded to a first-order reaction.
结果表明:SDS存在与否,氯化血红素的光解行为均符合一级动力学反应方程。
The decomposition reaction of this resin can be divided into two stages, and the decomposition reaction follow first order.
其热降解过程可分为两个阶段,并且热降解反应都遵从一级反应原理。
The decomposition reaction of the complex anisole·BF3 is indispensable during the separation of boron-10 isotopes by chemical isotope exchange distillation between BF3 and the complex anisole·BF3.
************-苯甲醚的分解反应是************-苯甲醚络合物化学交换精馏法分离硼同位素不可缺少的步骤。
The decomposition reaction is endothermic reaction for the ground state of hydrazine, but it is exothermic reaction for the first excited singlet state of hydrazine.
基态分子分解反应是吸热反应,而单态第一激发态分解反应是放热反应。
The method of preparation of potassium sulfate with potassium chloride, ammonium sulfate as raw material and alcohol was added in filtrate, raising decomposition reaction.
以*********和硫酸铵为原料,在滤液中加入乙醇合成硫酸钾,提高了硫酸钾的收率。
The surface area, the pore volume and the activity of isopropanol decomposition reaction are only a function of exchange degree and are not affected by the exchange methods.
固相交换样品的比表面、孔容变化和*********分解反应活性都与液相交换样品相同,只是交换度的函数,与交换方法无关。
The experimental results show that nanometer sized ferric oxide can catalyze the decomposition reaction of NC/NG …
实验结果表明,纳米氧化铁能有效地催化吸收药的热分解。
The experimental results showed that nanometer sized lanthanum oxide could catalyze the decomposition reaction of NC/NG effectively. The mechan…
实验结果表明,纳米氧化镧能有效地催化吸收药的热分解。
Experimental results have testified partial content for the universal rule of decomposition reaction of supersaturated solid solution.
其结论印证了“过饱和固溶体分解反应的普遍规律”中的部分内容。
At low current density, methane decomposition reaction and deposited carbon oxidation reaction occur;
电流密度小时,甲烷发生部分氧化反应。
分解反应(Decomposition Reaction)是化学反应的一种基本类型,指一种化合物在特定条件下分解成两种或两种以上较简单物质(单质或化合物)的反应。其一般反应式可表示为:
$$ AB rightarrow A + B $$
反应本质
单一反应物(通常是化合物)断裂化学键,生成多种产物。该过程通常需要能量输入(如热能、光能、电能或催化剂),属于吸热反应。例如,碳酸钙加热分解为氧化钙和二氧化碳:
$$ ce{CaCO3(s) ->[Delta] CaO(s) + CO2(g)} $$
能量来源类型
$$ ce{2KMnO4 ->[Delta] K2MnO4 + MnO2 + O2} $$
$$ ce{2AgBr ->[hv] 2Ag + Br2} $$
$$ ce{2H2O(l) ->[electricity] 2H2(g) + O2(g)} $$
可逆性与应用
部分分解反应可逆(如铵盐分解),但多数不可逆。此类反应在工业中应用广泛,例如:
定义分解反应为“一种反应物生成两种或多种产物的反应”,强调其与化合反应的逆关系。
分析分解反应的教学案例,指出能量输入是触发键断裂的关键因素。
描述分解反应为“复杂物质破碎为简单组分的过程”,常见于金属氧化物、碳酸盐及不稳定化合物。
分解反应(Decomposition Reaction)是化学反应的一种基本类型,指一种化合物在特定条件下分解为两种或多种较简单物质的过程。其一般形式可表示为:
$$ text{AB} rightarrow text{A} + text{B} $$
能量需求
分解反应通常需要外部能量(如热能、光能或电能)驱动。例如,碳酸钙(CaCO₃)高温分解生成氧化钙(CaO)和二氧化碳(CO₂):
$$
text{CaCO₃} xrightarrow{Delta} text{CaO} + text{CO₂↑}
$$
常见类型
应用领域
与化合反应(两种物质结合为一种)相反,分解反应是单一物质分裂的过程。例如,光合作用中的水分解属于分解反应,而二氧化碳与水合成葡萄糖属于化合反应。
如需进一步了解具体实例或反应机理,可参考化学教材或相关实验资料。
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