查询词典 decomposition

The results show that the decomposition rate of ammonium jarosite can reach 98.03% under the following optimum conditions, which are m m=0.381 41, temperature 60 ℃, liquid-solid ratio 21, reaction time 2 h. During the alkaline decomposition, the impurity elements, such as Zn, In, Cu, Cd, Pb, Sb, Sn and Ag are left in the residue, while As is leached into the pregnant solution as AsO43 with leaching rate of 83.36%.

结果表明：在 m m=0.381 41、温度60 ℃、液固比21、反应时间2 h的最优条件下，铁矾渣的分解率达到98.03%，而原料中的杂质金属，如Sn、Sb、Zn、In、Cu、Cd、Pb和Ag等绝大部分留在分解渣中，As则以AsO43的形态大部分进入溶液，浸出率达到83.36%。

DSC-TGA thermal analysis and XRD characterization results demonstrate that Fe is precipitated as Fe3O4 during alkaline decomposition of jarosite. The contents of Fe, In and Zn in decomposition residue are 38.81%, 0.23% and 12.89%, respectively. After selective leaching of In and Zn with dilute HCl solution, the iron concentrates obtained from magnetic separation can be used as raw material for iron smelting.

DSC-TGA热分析和X射线衍射分析结果表明：在NaOH分解过程中，铁矾渣中的铁主要以Fe3O4形式沉淀入渣；分解渣中Fe、In和Zn的含量分别为38.81%、0.23%和12.89%；经稀盐酸选择性浸出铟和锌后，进一步磁选富集可作为炼铁原料。

TG experiment of decomposition of magnesite powder was carried out on a thermal analyzer at heating rate of 5,10,20 and 30 K/min,and characteristic parameters of decomposition kinetics were calculated with Coats-Redfern equation.

在热分析仪上进行了菱镁矿粉的程序升温(5、10、15、20、30 K/min)热重动力学实验，用Coats-Red-fern积分法确定了动力学特征参数。

The results showed that the decomposition of 4-nitroimidazole began with the split of the C—NO2 bond in the temperature range of 185—210℃. The strongly oxidative product NO2 destroyed the instable annulus of 4-nitroimidazole instantly, all the other C＝N, C＝C, C—H and N—H bonds of the five membered ring were broken simultaneously, and the detected gas products of 4-nitroimidazole decomposition were NO2, CO2 and CO.

结果表明，4-硝基咪唑的催化热分解起始于其分子中C-NO2化学键的断裂，温度范围是185~210℃。C-NO2键的强氧化性的裂解产物NO2瞬间作用于4-硝基咪唑分子中不稳定的五员环，使化学键C=N、C=C、C-H和N-H同时被打破。4-硝基咪唑的气体分解产物包括NO2、CO2和CO。

PH change in fermentation would influence the activity of enzyme, the growth and propagation of microzyme, and the decomposition of some nutrient substances in fermented mash or the decomposition of yeast mesostate.

同时发酵过程pH值还会影响酶的活性、酵母菌生长与繁殖和发酵醪中某些营养物质的分解或酵母中间代谢产物的解离。关键词：黄酒； pH；发酵

In chapter 4, the factorization and cascade decomposition for first order singular systems have been discussed, the if and only if conditions have been obtained, the invariaty of minimality under factoiization and cascade decomposition has been proved.

第四章，讨论了一阶奇异系统的因子分解和级联分解，给出了其具有上述分解的充要条件，证明了极小性在分解下的不变性；对具有一阶奇异系统实现的有理函数矩阵，给出了判定其为正实函数的充要条件，推广了著名的正实引理。

In order to find out the proteinase suitable for soybeen peptide preparation,studies were conducted on the properties of mucor producing protease,the preparation method of mucor protease,the decomposition of soybeen protein isolated by mucor protease,and the molecular weight of the enzymatic decomposition products.

为探寻适合于制备大豆多肽的蛋白酶，对毛霉产蛋白酶的特性、毛霉蛋白酶的制备方法及其对大豆分离蛋白的降解进行了研究，并测定了酶解产物的相对分子质量。

The multilinear component model (Chapter 2):In order to further understand the decomposition algorithms based on multilinear component model and the applications of these algorithms in practice, it is necessary to realize and explore the characteristics and advantages of multilinear decomposition algorithms.

多线性成分模型为了进一步理解基于多线性成分模型而提出的分解算法以及这些算法在实际中的应用，有必要对多线性成分模型的优势及特点进行阐述和探索。

The burning and decomposition in the precalciner was studied by numerical simulation,The nonslip model was applied to the burning of coal and the decomposition of CaCO_3 in the gas flow,Ageneral-purpose software used in computation was developed.

运用气、固无滑移流动模型及燃烧、分解的化学反应方程组，数值模拟了SLC型分解炉内的气－固流动场、温度场、颗粒浓度场及气体组份场，开发出通用计算软件。

The Proper Orthogonal Decomposition is an optimal decomposition of random fields in terms of an energy representation.

本征正交分解是以能量表述的随机场的最优分解，是一种数据压缩和特征萃取的工具。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。