查询词典 sludge

The method is fast, simple and accurate, and can be applied in sewage treament plant for the determination of volatile fatty acid in sludge.

这种方法能够很好地应用于污水处理厂污泥酸化水解工艺，检测污泥中的挥发性脂肪酸。

A new method was developed for the determination of perfluorooctanesulfonate and perfluorooctanic acid in sewage sludge samples.

采用固相萃取/高效液相/四极杆飞行时间串联质谱检测活性污泥中的全氟辛烷磺酸及全氟辛酸。

A new production process is proposed, in which the acid sludge is removed and the pickling liquor is neutralized once with lime milk after defluorination.

对我国化工企业现行的盐酸法饲料级磷酸氢钙生产工艺的现状进行了介绍与分析，指出了存在的问题，提出了一种新的生产工艺，即去渣一段中和法。

Carbon dioxide is produced when oily sludge and hydrochloric acid slug combinations are injected into porous media.

通过ICPOES、SEM等手段确定了污泥的主要组分为碳酸盐，其中含有菱形及球形碳酸钙颗粒。

The results showed that removal rates of five metals were 3.79%, 2.04%, 1.66%, 0% and 0%, respectively, under conditions of ultrasound time of 20 minutes. When nitric acid was added to the sludge, the removal rates were 2.32%, 40.67%, 68.15%, 26.98% and 27.24%, respectively.

结果表明，在超声时间为20分钟时，未加酸时五种重金属Cu、Zn、Pb、Cd和Cr的去除率分别为：3.79%、2.04%、1.66%、0%和0%，而加酸时其去除率分别为：2.32%、40.68%、68.16%、26.98%和27.24%。

To resolve the sludge acid problem in the conventional DAP production,the integrated production technology of MAP and DAP developed in China was first applied in Guizhou Hongfu at the end of 2001,which has achieved satisfactory results.

为解决传统法生产DAP存在的淤渣酸问题，2001年底我国自行开发的MAP与DAP联产技术率先在贵州宏福公司实施，取得了良好效果，经进一步完善，已有多套联产装置达产达标。

Experimental results show that the reaction between hydrochloric acid and sludge under airtight condition is an equilibrium reaction, the reaction rate decreases exponentially with the increase of the initial pressure, the system gelling time increases with the decrease of the pH value, and the plugging performance of the waterglassgel enhanced foam system is superior to that of ordinary foam system due to the small foam diameter and high interfacial film strength.

实验结果表明：盐酸与污泥的反应在密闭条件下是一个平衡反应，且其反应速度随初始压力的增加呈指数降低；体系的胶凝时间随着pH值的降低而增加。由于体系的泡径小，界面膜的强度高，因而水玻璃凝胶增强泡沫体系的封堵效果明显优于普通泡沫体系。

The improving effects of acid soil with lignin- sludge from treating pulping black liquor was studied using indoor culture methods with plastic reactors.

采用室内塑制质反应器培养方法，研究了制浆废液处理的木质素污泥对酸性土壤的改良效果。

The calcium ion was assumed the representative ion in hydration products and the chemical dynamics model was established which describes the chemical reaction between hydration products in solidification sludge and acid.

2将水化产物中的钙离子作为代表性离子，建立了固化污泥中水化产物和酸反应的化学动力学模型；采用生物反应器强化微生物活性建立了固化污泥中机物降解的动力学模型。

Are compared with those of national standard of MAP, the results show that the process is completely acceptable, however the proper ratio between phosphoric acid and the sludge should be paid attention.

摘 要］讨论综合利用磷酸淤浆生产MAP的可能性，介绍宏福磷矿生产的含淤浆磷酸，用其生产MAP的组成理论值和实验值，与MAP国标对比，说明利用含淤浆磷酸生产MAP完全可能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。