查询词典 crystallizer

Meanwhile, among crystallization devices, column crystallizer is widely used because it realizes washing, recrystallization and sweating mechanisms at the same time in one single piece of equipment.

同时，在熔融结晶装置中，塔式结晶器由于能在同一设备中同时实现洗涤、重结晶和发汗提纯机理而被广泛使用。

The mechanism of made it by vacuum evaporation using DTB crystallizer is studied, and the detail of the technical flow is discussed. The factors which influence the granularity of anhydrous sodium sulfate are studied .

本论文主要讨论了用DTB型结晶器、采用真空蒸发结晶法制备较大颗粒硫酸钠的机理、具体的工艺流程以及各种因素对结晶粒度的影响。

So the computer simulation of electromagnetic crystallizer in preparing Al-Sc master alloy could help the preparing Al-Sc master alloy.

因此可证实该仿真系统能有效指导铝钪中间合金的制备。

First of all, the theoretic models were established to describle the physical fields of massecuite in an evaporative crystallizer, and the computer program TESU was given to solve the models and determine the temperature and supersaturation of mother liquor.

作者首先建立了描述蒸发式结晶设备中糖膏物理场的理论模型，同时编译了求解这些模型的计算机程序TESU等，可用来确定该类设备中糖膏母液的温度和过饱和度。

Then, the computer program CCP1 was edited to study synthetically the influence of 5 factors (i. e. CV value of seed, number of compartment, resident time distribution of massecuite in the compartments as well as vacuum, the height of massecuite) on CV value and MA value of products of multicompartment continuous crystallizer.

依据上述理论模型及其解法，本论文作者进一步编译了能综合考察晶种性状、分室数目、糖膏在各分室中的停留时间分布以及真空度、糖膏高度等五个因素对卧式多分室连续结晶设备产品CV值和MA值影响情况的计算机程度CCP1。

The model of programmed crystallization of SPM was proposed based on the moment transformation of the population considering the agglomeration. The optimal temperature-time curves in a batch crystallizer which maximized the terminal mean size and mean weight size can be determined from the application of the Pontryagin Maximum Principle. The calculated crystallization results heating under optimal temperature were compared with ones under linear or natural heating temperature.

根据第四章所得到的螺旋霉素晶体二次成核和晶体生长和布朗扩散引起的聚集动力学，利用第六章所描述的晶体尺寸分布的各阶矩对时间的一阶导数所构成的自封闭的一阶常微分方程组，采用庞得里亚金极大值原理，以温度为控制变量，在满足某些约束条件下，以最大平均尺寸和最大晶体重量平均尺寸为性能指标，计算出了螺旋霉素间歇结晶的最优温度—时间曲线，并同线性加热和自然方式进行了比较。

1 Steel plant,and profound analysis was carried out for the capability of reducing impurity of blowing-argon,ladle reefing,middle-vessel,crystallizer,and the infection of variant deoxidation ability on the content,composition and shape of the impurity in carting blank,through gas-analysis,image-analysis and electron microscope scan.

为了解济钢一炼钢钢水纯净度的实际状况，选择两个典型钢种BC和AH32为分析对象，通过气体分析、图像分析和电子显微镜扫描分析分别对吹氩处理和LF炉精炼处理、中间包和结晶器去除夹杂物的能力及采用不同的脱氧工艺对铸坯夹杂物含量、组成及形态的影响进行了深入分析，找出了全氧和氮的变化规律、夹杂物粒度分布及主要组成，为研究如何降低夹杂物含量和改变夹杂物形态提供了技术基础。

In order to simulate plant operation, another new type of column crystallizer is designed. It abolishes the temperature measuring taps and sampling taps, and uses a double screw propeller to transport crystals, this column crystallize has been authorized by two patents.

为了模拟工业装置的运行情况，还重新设计了新型的结晶塔，此结晶塔使用双螺旋输送桨来输送晶体，取消了提纯段的取样口和测温口，所设计的结晶塔已经获得了专利授权。

EDTA titration is the one of classical methods which determines the contents of calcium and magnesium,but because of the complicated component in the scale ,the phenomena that indicator was blocked would produce when we titrate calcium and magnesium contents in the crystallizer scale ,using average screening agent can't solve the problem.

EDTA滴定法是测定钙、镁含量的经典方法之一，但由于积垢成分比较复杂，在测定煮糖罐积垢中的钙、镁离子时，产生指示剂封闭现象，使用常规掩蔽剂不能解决此问题。

Accordingly, right close eventually model different base executes even casting machine crystallizer to feed filar technology have challenge sex extremely.

因此，对近终型异型坯连铸机实行结晶器喂丝技术是极具挑战性的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。