搅拌器

The effects of acidity, reaction temperature, feeding mode, and rotational speed of the stirrer on the particle size of AC blowing agent were studied. The optimal conditions were obtained as follows: the catalyst composed with m:m(V2O5)=1:1 equal to 1%-2% ratio of the reagent''s mass,reagent reacts at 50℃ under pH=3-4 for 25min with 350～360r/min of the stirrer speed, and the NaClO3 solution must be added from burette.

研究了酸度、反应温度、加料方式、搅拌器的转速对AC发泡剂粒径的影响，最佳工艺条件为：催化剂m：m(V2O5)=1：1的质量约为反应物质量的1%~2%，反应体系的pH值3～4，反应温度控制在50℃左右，氯酸钠溶液(质量分数20%)采用通管滴加的方法加入，整个反应时间约为25min，搅拌器的转速一般控制在350～360r/min。

The space quadrature vector oriented control can decouple between output current and frequency of the inverter by Park transformation, which guarantee the quite high accuracy of the 90 degree phase angle between the two-phase output current that supply for two phase electromagnetic stirrer in quite low frequency.

提出了一种基于空间矢量定向的二相电磁搅拌器逆变电源的结构和控制策略，该逆变器采用六桥臂式主电路拓扑结构，逆变器的第三相桥臂与两相电磁搅拌器的中点相连。

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验，并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明，当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，在钢液内所产生的电磁力是脉动的，其大小呈周期性变化，尤其是垂直于磁场运动方向上的电磁力，其脉动的幅度很大·由此认为，当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率，改善铸坯凝固组织的一个重要原

The results show that when three-blade backswept impeller was used and Hb/HL is 1/4, the effect of stir is the best, where Hb is height of impeller from the bottom of the reactor and the HL is the height of the liquid.

冷模实验结果表明：选用三叶后掠式搅拌器，安装位置H_b/H_L(搅拌器离釜底的距离与液面高度之比)为1/4时，搅拌效果较好。

Hydraulic forces applied on the agitator are simplified as a main moment and a main force on the agitating shaft, Initial decentration of agitator is determined based on the balance standard. The dynamic responses, such as fluctuating bending stresses and dynamic deflections, of the agitating shaft under no-liquid and normal working conditions are studied.

将搅拌器上的流体作用力简化为一个主矩和主矢；为考虑作用在搅拌轴上的惯性力效应，根据平衡精度预设搅拌器的初始偏心；在转子动力学软件ROTOR中建立搅拌轴的梁盘模型，分别计算了搅拌轴在空载和搅拌工况下的动力响应，并进一步讨论了动力响应与工作转速、轴径和轴长的关系。

At the entrance of cooking chamber, one can rotate around the mixer, because the metal mixer is wind fanlike spin, after each direction of microwave is reflected, so can the microwave energy evenly distributed in cooking chamber.

在烹调腔的进口处附近，有一个可旋转的搅拌器，因为搅拌器是风扇状的金属，旋转起来以后对微波具有各个方向的反射，所以能够把微波能量均匀地分布在烹调腔内。

The ice/liquid mixtures of the coolant and the sample solution were respectively added in the Dewar bottle and the sample container to precool for 2~3 hours under stirring. Then some of the coolant liquid was replaced with coolant ice, the motor stirrer was restarted, and the temperatures were read from the Beckmann thermometer.

实验时，先调节寒剂的组成使其凝固点低于待测溶液的凝固点～2℃，然后分别在保温瓶和凝固点杯中加入寒剂和待测溶液的冰水，启动搅拌器预冷却2~3小时，接着更换保温瓶中的寒剂冰水，重新启动搅拌器，记录贝克曼温度计读数。

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亲爱的徐涛，你的贸易匹配了以下新产品信息：线圈电新的产品和销售线索查看所有搅拌器（上海- 1520年代）搅拌器： 500瓦特AC100V或自动对焦镜头S 50/60 Hz的强大520瓦特电机重型使用坚固的不锈钢基地二日速度加脉冲。。。

A ribbon agitator consists of a set of inner and outer helical agitators.

缎带搅拌臂是由一个内部螺旋式搅拌器和外部的螺旋式搅拌器组成。

For multiplicity and variability of reaction processes, domestic traditional glass-lined agitators can't satisfy the technics requirement at the present day, a new type agitator called large-double-blade impeller was brought forward.

由于反应物料的多样性以及反应过程的多变性，国内传统的搪玻璃搅拌器(桨式、叶轮式、锚式和框式)已不能完全满足新技术、新工艺的要求，开发新型搅拌器势在必行。

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。