查询词典 stirrer

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

Electroplating equipment: Sun card rectifiers, magnetic polishing machine, distressed temperature magnetic stirrer, heated ultrasonic cleaning machine, a sulfuric acid content of analyzer, Germany plating color separation machine, atomic absorption spectrometer and experimental real instrumentation.

四、电镀设备：太阳牌整流器、磁力抛光机、怛温磁力搅拌器、加温超声波清洗机、硫酸含量测定仪、德国电镀分色机、原子吸收光谱分析仪及实验实仪器仪表等。

The sample of granular cellular fiber with size of 5-8 mm is produced by using this technology which can be depicted as follow, adhering the asphalt particutate, which can be depicted as follow: adhering the asphalt particulate, which is made of news paper and asphalt, on the surface of fiber by emulsion method, then mixing them by mechanical stirrer, dewatering and pelleting.

采用这一工艺，以新闻纸和优质路用沥青作为原料，通过胶乳法使沥青颗粒均匀粘附在木质纤维表面，再通过机械搅拌、脱水、造粒等工艺，制备出5～8mm的颗粒状路用木质纤维样品，通过室内高温稳定性试验，比较掺入进口颗粒状路用木质纤维和掺入自制颗粒状路用木质纤维的沥青混合料的抗高温永久变形能力。

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

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。

First, stir your gesso well, with a butter knife or plastic stirrer.

首先，挑起你的gesso好，以奶油刀或塑料搅拌器。

A method and apparatus for water degasification and distillation in an apparatus having a container (10) for a reservoir of water to be degassed and distilled, a boiler (12) adjoining the container and having a feed water conduit (22) connecting the container and boiler, a coiled tube condenser (27) within the container immersed in the water therein, the condenser coil having a vertically disposed longitudinal axis, a second conduit (24) in the boiler connecting the space above the water level therein to the inlet of the condenser so that steam flows from the boiler to the condenser, an outlet (29) on the condenser extending through a container wall for discharging the condensed steam as degassed distilled water, a heater (13) in the boiler for heating the water therein, a motor driven stirrer (101) axially of the coiled tube condenser and an ozone generating device (120) in the boiler for purifying the steam.

一种用于水脱气和蒸馏的方法和设备，该设备包括一容器(10)，该容器有一用于盛放待被脱气和蒸馏的水的贮池；还包括一与所述容器相连接的、其供水管(22)连接容器和沸腾器的沸腾器(12)；一在所述容器内、浸在其内的水中的线圈式管状冷凝器(27)，该冷凝器线圈有一竖直放置的纵向轴线；一在沸腾器内连接其内的水面上的空间与冷凝器的入口以使蒸气从沸腾器流至冷凝器的第二管道(24)；一在冷凝器上延伸穿过容器壁将经脱气和蒸馏的水作为已冷凝的蒸气排出的出口(29)；一在沸腾器内用于加热其内的水的加热器(13)；一与线圈式管状冷凝器同轴的马达驱动搅拌器(101)以及一在沸腾器内纯化蒸气的臭氧发生器(120)。

Computational fluid dynamics method was utilized to the fiowfield numerical simulation of ultrafine stirred mill, the flowfield characters(velocity gradient, shear rate dispersion of flowfield and the dissipative force of viscosity and so on) of three kinds of stirrer(disc type, stick type and spiral type) were analyzed.

利用计算流体力学方法对超细搅拌磨机进行了流场仿真数值模拟，分析了盘式、棒式、螺旋式三种搅拌器的流场特性(速度梯度、流场的剪切率分布和粘性耗散率等)。

Data of bubble- point vapor pressure and equilibrium temperature for 11 samples with different compositions originated from two kinds of hydrocarbon fuel s were measured by using an inclined ebulliometer with a pump- like stirrer on the basis of the principle of quasi- static method.

采用拟静态沸点计法测定两种碳氢燃料在11种不同配比下的泡点蒸气压和平衡温度，用Antoine方程关联了蒸气压与温度的关系，精度良好，同时计算了气化焓和气化熵。

For Instrument, select the stirrer of the Titration Manager or the stirrer of an

应用内部搅拌。 1。在仪器项，选择滴定仪的搅拌器或连接到

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。