Cause analysis and countermeasure research on the effect of sea water tide on sea water sedimentation tanks 潮汐影响海水沉淀池运行的原因分析与对策
The hydrothermal sedimentary rocks are closely related to gold mineralization in space, which indicates that the Baguamiao gold deposit belongs to the hot water sedimentation ( transformation) type. 热水沉积岩与金矿化空间关系密切,说明八卦庙金矿属于热水沉积(改造)型金矿床。
The Late Precambrian Hot Water Sedimentation of the Southeast Yangtze Plate Continental Margin 扬子板块东南大陆边缘晚前寒武纪热水沉积作用
Hot water sedimentation plays an important role in the mineralization of some disperse elements. 热水沉积作用在某些分散元素的成矿过程中具有重要意义。
Based on analyzing ore geology and geochemistry characters, the formation of Co deposit mainly related to hot water sedimentation. 通过对矿床地质及地球化学特征研究表明,驼路沟钴矿床的形成主要与热水沉积作用有关;
The concentration of oil, suspended solid and turbidity in oil-extracting water treated by sedimentation and filtration process is too high to reach the standard of producing polymer solution. 经过常规沉降和砂滤工艺处理后的采油废水,因其含油量、悬浮物和浊度过高而无法达到配制聚合物的用水标准。
And ( iv) the backflow of sludge and nitrified water from the sedimentation tank relies on dynamic system, which increase the cost of construction and operation. 另外,二沉池的污泥回流依靠动力回流,增加了基建和运行费用。
The anion surfactants LAS in detergent wastewater is badly degradable organic compounds, bur it can be removed effectively from water by coagulation sedimentation, hydrolysis acidification and contact oxidation process. The effluent of this process is stable and quite good to meet the requirement of discharge standard. 洗涤剂废水中的阴离子表面活性剂LAS属难降解有机物,采用混凝沉淀水解酸化接触氧化工艺,可有效地去除废水中的LAS,出水稳定达到排放标准。
The treatment efficiency of low temperature and low turbidity water by intercepting sedimentation tank was studied and compared with that of horizontal flow settling tank and the inclined plate settler. 以北京市第九水厂原水为主要对象,研究了拦截沉淀对低温低浊水的处理效果,并与传统的平流及斜板沉淀池进行了对比。
Witherite deposits belong to stratabound deposits of hot water sedimentation. 毒重石矿床属热水沉积成因层控矿床。
ε turbulence model can simulate the hydrodynamics characteristics of water flow in sedimentation tank well. ε湍流模型能很好地模拟沉淀池中水流的流动过程。
Design and fabrication of laboratory apparatus for water coagulating sedimentation simulation 混凝沉淀水处理实验设备设计制作
Analyzing the correlations of the water and sand sedimentation of the Yellow River and the coastline evolution. 海岸线演变与黄河来水来沙条件关系的分析。
Pilot-scale test was conducted on the secondary micro-flocculation of water from sedimentation tank for improvement of filtration efficiency. 为改善过滤效果,开展了沉后水的二次微絮凝过滤中试研究。
Study on the Effect of Silt Dams for Conserving Soil and Water and Its Sedimentation Characteristic 淤地坝拦沙减蚀作用与泥沙沉积特征研究
This paper suggests a method to determine waterway's width by analysing the properties of water and sedimentation of the Northern Main of the Yellow River. 本文从整治河段的实际情况出发,在分析黄河北干流水沙特征基础上提出用实测河床断面资料确定航道整治线宽度的方法&河床断面法。
The composition of oxyhydrogen isotop shows that the mineralizing fluid is the mixture of magmatic water and atmospheric sedimentation, it goes from deep to shallow and its main component goes from magmatic water to atmospheric sedimentation along with the deepening of the deposit. 在氢氧同位素组成上显示出成矿流体为岩浆水和大气降水的混合,并且随矿床形成深度由深到浅,成矿流体由岩浆水为主变成以大气降水为主。
Discussion on design parameters and water production of sedimentation tank 对沉淀池设计参数及产水量的讨论
Improvement of Detection Rate for EL TOR Cholerae in Water with Sedimentation and Adsorption 沉淀吸附法提高污染水样中霍乱弧菌检出率的研究
New progress in research on deep water carbonate sedimentation 深水碳酸盐沉积研究进展
The density current of turbid water is the basic characteristic of the water current in sedimentation tank, in both the high turbid water and the general turbid water. 浑水异重流是沉淀设备中水流的基本特征,不仅存在于高浊度水沉淀池中,也存在于一般浊度水的沉淀设备中。
The design feature and configuration of the apparatus for water coagulating sedimentation experiment are included in the paper. 介绍了混凝沉淀水处理实验设备的设计思想、组成结构、特点。
The experimental study is conducted to show the effects of silt releasing sluice and energy dissipating downstream of spillway dam section, diverting water to prevent sedimentation, and the flow pattern at the inlet section of diversion tunnel. 通过模型试验,对甘肃省金昌市引硫济金枢纽工程的泄洪冲沙闸和溢流坝下游消能防冲效果、引水防沙效果及引水隧洞进口段水流流态进行了试验和研究。
The first reason of the reduction of water surface is sedimentation caused by soil erosion; 分析了造成水面锐减的原因,首先是水土流失造成的湖库淤积,其次是围海造田、围海养殖出现的蚕食水面;
Research on New Coagulant CPF Improving the Precipitation of Sludge Water of Sedimentation Tank 新型混凝剂CPF改善水厂沉淀排泥水沉降性能研究
Based on the organo-mineral aggregates in various fractions from surficial sediments by ultrasonic dispersion in water followed by sedimentation, the distribution of heavy metals Pb, Cd and Cr in the organo-mineral aggregates of the sediment has been investigated. 采用超声分散法分离沉积物中不同粒级有机-矿质复合体,研究了渤海湾沉积物中Pb,Cd,Cr等重金属的污染及其在不同粒级有机-矿质复合体中的分布。
Major methods for extracting ganoderma amylose are extraction with water and sedimentation with alcohol, and sepa-ration with memberane. 其提取方法主要有水提醇沉法和膜分离法。
Therefore the basement for the mineralization model with thermal water sedimentation built in the past is not existed in this area. 因此,过去在该区建立的热水沉积成矿模式的基础已不复存在。
The practical problems in the granulometric analysis method& the water sedimentation analysis method and the dry sieve analysis method, are analyzed, and an improved water sieve analysis method is developed in this paper. 文章分析了目前粘性土颗粒分析的主要方法&静水沉降法和干筛法,指出其存在的问题。