查询词典 filtration

The scaling on equipment and pipeline of WPA filtration unit is caused by the precipitation of potassium and sodium fluosilicate when the temperature of acid decreases.

分析湿法磷酸过滤设备与管道结垢的主要原因是氟硅酸钾，钠盐因磷酸液相温度下降而沉积下来。

In the wet-process phosphoric acid production from the Hubei phosphate ore, one of the bothersome problems is that potassium fluosilicate and sodium fluosilicate scales are liable to form on the filtration system owing to its high potassium and sodium content, which greatly restrains the application of Hubei phosphate ore.

本文首先采用人工冷却系统模拟湿法磷酸生产的真空过滤系统冷却过程，研究垢物的析出规律，实验结果得知：垢物的主要成分为氟硅酸钠和氟硅酸钾，氟硅酸钠首先析出，结构致密，其次是氟硅酸钾，最后是二水硫酸钙，氟硅酸钠对氟硅酸钾有很强的结晶诱导作用；然后在三种生产中常用的不同的材质钼二钛、聚氯乙烯和聚四氟乙烯表面进行结垢试验，发现聚四氟乙烯表面最不易结垢，而在钼二钛表面最易结垢。

Fluosilicic acid,which is the byproduct from phosphate fertilizer factory,reacts with ammonium hydrocarbonate to obtain ammonium fluosilicate,then reacts with ammonium carbonate to form settled SiO 2,after filtration,water washing,drying and calcining,high purity SiO 2 with less than 10×10 -6 metal impurity and less than 10×10 -9 uranium and thorium respectively is made.

由磷肥厂副产氟硅酸同碳铵反应得氟硅酸铵，再和碳铵反应生成SiO2 沉淀，经过滤、水洗、干燥、煅烧得高纯SiO2 ，其金属杂质总含量小于 10× 10 -6，含放射性元素铀和钍各小于 10× 10 -9，通过实验获得了适宜的工艺条件，反应温度 70℃～ 80℃，反应时间 1 5h～ 2 0h ，配料比n(NH4HCO3 )∶n(NH4 2 SiF6 =4 4。

Besides, the dark state is created by cholesteric's scattering effect in focal conic state and polarizer's filtration effect.

此外，这个方法的暗态是利用胆固醇液晶在圆锥状态的散射效应和偏光板的滤光作用来产生。

Michelle's father, Frasier Robinson, worked at the city's water filtration plant.

米歇尔的父亲，弗雷泽罗宾逊，在市区的自来水厂工作。

Using the fluid mechanics theory, the Gauss filtration governing equations are presented based on the incompressible Navier-Stokes equation in primitive variables, which are discretized using standard third-order accurate Galerkin finite element scheme in space and discretized using finite differencing scheme in time.

为了考证数值模拟结果的正确性，对水泥在圆弧弯管中的气力输送气固两相流动采用了等速取样和等截面法进行了三种工况的试验研究。试验结果表明，竖直上升弯管出口颗粒浓度在弯管外侧脊线附近颗粒浓度特别高，其余部分相对比较均匀且浓度较低。

Filtration rate is greater than 95%, with glycine escape rate less than 5%.

试验取得了比较满意的结果，甘氨酸的收率比较高。

Filtration was used to purify wine, and some people in the Greco-Roman period used sedimentation to clarify their water.

过滤被用于纯化葡萄酒，而沉降早在古希腊一罗马时代即被人们用于净化饮用水。

Based on the unified generation and description of GRR, this paper proposes one highly efficient network-filtration algorithm for object graphics recognition.

在几何识别规则统一生成和描述的基础上，提出了高效的约束网络过滤算法实现对象几何图形的识别。

The main products are FW400-turbine grinder, QCF ultrafine mill, 605-wood flour mill, Hammer series of 56-grinder, SLH of 0.5-30 m double helix cone mixer, artificial agate, resin decorative plate vacuum Forming mixer, all kinds of solid-liquid filtration, separation, drying, grinding, pulse-bag filter Chen Shui-bian, bucket elevator, conveyor movements, vibration fine grading screen, flat screen rotary separation.

主要产品有FW400型涡轮粉碎机，QCF超细粉碎机、605型木粉粉碎机、锤片56型系列粉碎机，SLH型0.5-30m双螺旋锥形混合机、人造玛瑙、树脂装饰板材真空成型搅拌机、各种固液过滤、分离、烘干、粉碎、脉冲扁面袋除尘器、斗式提升机、升降输送机、振动精细分级筛、平面回转分离筛。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。