
[化學] 分解反應
The kinetics of N2O decomposition reaction indicates, it can be described as first order reaction with respect to N2O.
反應的宏觀動力學的研究表明,這一系列的複合氧化物對于N_2O的分解反應是一級反應。
Result showed that the thermo decomposition reaction of DH170T had higher resistance, lower reacting rate and longer service life than TR2000.
結果表明:與TR2000相比,國産電纜護套料DH170T的熱分解反應阻力大、 反應速度慢,因而壽命更長。
The preparation and catalytic performances for thermochemical decomposition reaction of H_2S to H_2 of several catalysts of iron sulfide were investigated.
用不同方法制備了幾種硫化鐵催化劑,研究了其對H_2S分解制取氫氣反應的催化性能。
It is difficult to speak about a definite direction of the decomposition reaction.
很難說它的分解反應有一定的方向。
This review provides many kinds of adsorbed ozone forms on the catalyst surface and the kinetics and mechanism of ozone decomposition reaction.
本文介紹了催化分解臭氧過程中,臭氧在催化劑表面的吸附形态,及各種條件下的反應下臭氧催化分解的動力學和機理。
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.
通過控制硝酸鹽熱分解的熱力學和動力學實現了對熱分解産物納米晶的成核與生長的控制。
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.
用上述方法研究了線上性升溫條件下NC的熱分解反應。根據所得結果,提出了該反應的機理。
The mechanism and kinetics of the thermal decomposition reaction of Bombyx-mori cocoons are stu***d by means of the TGA and IR methods.
本文用熱重分析法(TGA)研究了桑蠶繭的熱分解動力學和反應機理。
The acid decomposition reaction of phosphate rock is not the exchange between ions, but the exchange between functional groups.
磷礦酸解反應并非是離子間的交換,而是功能基團之間的交換。
The apparent activation energy and the preexponential constant of heat decomposition reaction were evaluated.
估算了熱分解反應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%.
以鹽酸脒基脲為原料,通過水解、複分解反應,合成了N-脒基脲二硝酰胺鹽(GUDN),總收率可達79%。
The results showed that the decomposition reaction of hemin in the presence and absence of SDS corresponded to a first-order reaction.
結果表明:SDS存在與否,氯化血紅素的光解行為均符合一級動力學反應方程。
The decomposition reaction of this resin can be divided into two stages, and the decomposition reaction follow first order.
其熱降解過程可分為兩個階段,并且熱降解反應都遵從一級反應原理。
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.
************-苯甲醚的分解反應是************-苯甲醚絡合物化學交換精餾法分離硼同位素不可缺少的步驟。
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.
基态分子分解反應是吸熱反應,而單态第一激發态分解反應是放熱反應。
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*********和硫酸铵為原料,在濾液中加入乙醇合成硫酸鉀,提高了硫酸鉀的收率。
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.
固相交換樣品的比表面、孔容變化和*********分解反應活性都與液相交換樣品相同,隻是交換度的函數,與交換方法無關。
The experimental results show that nanometer sized ferric oxide can catalyze the decomposition reaction of NC/NG …
實驗結果表明,納米氧化鐵能有效地催化吸收藥的熱分解。
The experimental results showed that nanometer sized lanthanum oxide could catalyze the decomposition reaction of NC/NG effectively. The mechan…
實驗結果表明,納米氧化镧能有效地催化吸收藥的熱分解。
Experimental results have testified partial content for the universal rule of decomposition reaction of supersaturated solid solution.
其結論印證了“過飽和固溶體分解反應的普遍規律”中的部分内容。
At low current density, methane decomposition reaction and deposited carbon oxidation reaction occur;
電流密度小時,甲烷發生部分氧化反應。
分解反應(Decomposition Reaction)是化學反應的一種基本類型,指一種化合物在特定條件下分解成兩種或兩種以上較簡單物質(單質或化合物)的反應。其一般反應式可表示為:
$$ AB rightarrow A + B $$
反應本質
單一反應物(通常是化合物)斷裂化學鍵,生成多種産物。該過程通常需要能量輸入(如熱能、光能、電能或催化劑),屬于吸熱反應。例如,碳酸鈣加熱分解為氧化鈣和二氧化碳:
$$ ce{CaCO3(s) ->[Delta] CaO(s) + CO2(g)} $$
能量來源類型
$$ ce{2KMnO4 ->[Delta] K2MnO4 + MnO2 + O2} $$
$$ ce{2AgBr ->[hv] 2Ag + Br2} $$
$$ ce{2H2O(l) ->[electricity] 2H2(g) + O2(g)} $$
可逆性與應用
部分分解反應可逆(如铵鹽分解),但多數不可逆。此類反應在工業中應用廣泛,例如:
定義分解反應為“一種反應物生成兩種或多種産物的反應”,強調其與化合反應的逆關系。
分析分解反應的教學案例,指出能量輸入是觸發鍵斷裂的關鍵因素。
描述分解反應為“複雜物質破碎為簡單組分的過程”,常見于金屬氧化物、碳酸鹽及不穩定化合物。
分解反應(Decomposition Reaction)是化學反應的一種基本類型,指一種化合物在特定條件下分解為兩種或多種較簡單物質的過程。其一般形式可表示為:
$$ text{AB} rightarrow text{A} + text{B} $$
能量需求
分解反應通常需要外部能量(如熱能、光能或電能)驅動。例如,碳酸鈣(CaCO₃)高溫分解生成氧化鈣(CaO)和二氧化碳(CO₂):
$$
text{CaCO₃} xrightarrow{Delta} text{CaO} + text{CO₂↑}
$$
常見類型
應用領域
與化合反應(兩種物質結合為一種)相反,分解反應是單一物質分裂的過程。例如,光合作用中的水分解屬于分解反應,而二氧化碳與水合成葡萄糖屬于化合反應。
如需進一步了解具體實例或反應機理,可參考化學教材或相關實驗資料。
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