查询词典 stirrer

A device for determining molar mass with freezing point depression was improved,which consists of the Dewar bottle,sample container,Beckmann thermometer,and motor stirrer.

介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。

A device for determining molar mass with freezing point depression was improved, which consists of the Dewar bottle, sample container, Beckmann thermometer, arid motor stirrer, Before the experiment, the freezing point of the coolant was controlled about 2℃ below the freezing point of the sample solution by adjusting the composition of the coolant.

介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。

Six experimental apparatus: The main operating on magnetic Hailei apparatus, equipment, etc. Shanghai Heng 1 domestic famous enterprises, such as analytical balance, the Taiwan cherry Electronic Scale, PH acidity, the water box, spectrophotometer, magnetic stirrer, viscometer , Moisture Analyzer, biological microscopes, workstations, Ovens, Incubators, Conductivity Meter, electric kits, heating plate, electric stove and so on.

六、实验仪器：主要经营上海雷磁仪器、上海一恒仪器等国内著名企业的产品，如分析天平、台湾樱花电子秤、PH酸度计、水浴箱、分光光度计、磁力搅拌器、粘度计、水份测定仪、生物显微镜、工作台、干燥箱、培养箱、电导率仪、电热套、加热板、电炉等。

Place the ice bath on top of a magnetic stirrer and drop a spin bar in the beaker.

把冰浴再加上磁力搅拌器，并掉了自旋酒吧在烧杯。

The optimum conditions were as follows: 1 Fe3+/Fe2+ was 1.70-1.75;2 the precipitant,25% ammonia water was used 20%-30%,under 35℃,pH10-11 and with a stirrer speed of 3000 r/min for 1 h;3 in the first package process with gelatin and agar,the optimum amounts was 0.050-0.060g/150mL at the temperature of 55-60℃ and pH of 9-11;In the f...

最佳工艺条件为：(1)Fe3+/Fe2+之比在1.70~1.75；(2)沉淀剂25%NH3.H2O过量20%~30%，温度35℃，pH值11，反应时间为1h；(3)琼脂的最佳用量为0.050~0.060g/150mL；包覆的最佳温度为50~60℃，pH值为9~11；聚乙二醇作为第二次包裹剂时，最佳温度为55℃，反应时间是1h，pH值为4~5；并用透射电镜、分光光度计、古埃磁天平等进行了初步表征。

Jingshan Chen Hardware Fittings Factory is a manufacturer of adhesive guns, Caulking Gun iron handles, paint stirrer, such as professional hardware tools manufacturer.

压胶枪，压胶枪生铁柄，油漆搅拌器荆山陈五金配件厂是一家生产压胶枪，压胶枪铁柄，油漆搅拌器等五金工具的专业型厂家。

The universal powder box includes one box with powder bin and cover, one stirrer inside the powder bin, one powder feeding roller in the outlet of the powder bin, one developing roller contacting with the powder feeding roller and one locking device for the powder box to be set in and taken out from the sensitive drum. The cover has one upper planar surface, and after being installed, the plane is located below one corresponding raised edge of the printer. In the roller end gear combination outside one side wall of the box, there are two with driving force driving position.

包括一个带有粉仓的盒体和盖，位于粉仓内的搅拌装置，一个位于粉仓出口处的送粉辊、一个与送粉辊接触的显影辊，及使粉盒能顺利置入或取出感光鼓盒的锁放装置，盖的上表面基本是一个平面，装机后该平面位于打印机对应盖下表面凸起的下缘之下，在盒体一个侧壁外的各辊端齿轮组中，有两个带有动力受口的驱动位。

The method comprises: adding 4-(3,4-dichlorophenyl)-1-tetralone and solvent at a ratio of 1:(3-4) into a three-necked flask with a stirrer, heating under stirring until 4-(3,4-dichlorophenyl)-1-tetralone is completely dissolved, heating to 60-100 deg.C, refluxing for 0.5-2 h, cooling the filtrate to -5-10 deg.C, filtering, recrystallizing to obtain refined 4-(3,4-dichlorophenyl)-1-tetralone, and drying at 40-80 deg.C to obtain dry 4-(3,4-dichlorophenyl)-1-tetralone.

该方法的步骤是：在带搅拌的三颈瓶中依次加入4-(3，4-二氯苯基)-1-萘满酮和溶剂，溶剂与4-(3，4-二氯苯基)-1-萘满酮的L∶W为3～4∶1，将上述4-(3，4-二氯苯基)-1-萘满酮及混合精制溶剂搅拌下升温，使4-(3，4-二氯苯基)-1-萘满酮全部溶解，升温至60～100℃，回流0.5-2h；滤液用冰水冷却至-5～10℃，过滤，所得物料再用上述方法进行一次重结晶得到精品4-(3，4-二氯苯基)-1-萘满酮，40～80℃干燥后即得到干品4-(3，4-二氯苯基)-1-萘满酮。

In a round-bottomed 2 L flask equipped with a magnetic stirrer and placed under an inert atmosphere, there was added 750 mL anhydrous THF, containing 30 g LAH.

将磁力搅拌器放入一个2L的圆底烧瓶，放置在惰性气体环境下。加入750ml无水THF，包括30gLHA。

The results show that the coal pitch based activated carbon not only has good sphericity but also narrow particle size; with the same material pitch, the more naphthalene content, the lower the softening point of the modulated pitch. The max mass ratio of pitch to the liquor is 16 and the optimal speed is different using different stirrer.

结果表明：所制得沥青球球形度好，表面光滑，粒径分布范围窄；相同原料沥青，萘含量越高调制沥青软化点越低；沥青/水相的最佳质量比为16；不同的搅拌器最佳速度有所不同。

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。