查询词典 volumetric flask

Second, glass instruments: various types of centrifuge tubes, test tube,volumetric flask, slide, cover films and so on.

二、玻璃仪器：各式离心管、试管、容量瓶、载玻片、盖片等。

Pipette 20.0 ml stock standard solution to a 100 ml volumetric flask and dilute to volume with distilled water.

移取20.0ml 标准储备液到100ml 容量瓶，稀释定容

If solution is clear, add 20 mL of distilled water to the cool digestion mixture and transfer to a 100mL volumetric flask and make up to volume.

冷却后，加入足够的双氧水使灰化物被氧化，然后再次加热。

Solution F: At the beginning of each "kinetic day", the fifth pair of students will prepare a 2.5x10-4 M ascorbic acid solution by adding the appropriate amount of solid ascorbic acid to a 250-mL volumetric flask.

溶液F：在每一次开始&动力学实验&以前，第五对的学生要准备一个浓度为2.5x10-4 M的抗坏血酸溶液。其配制方法是把适量的固体抗坏血酸加到一个250-mL的容量瓶中。

While the volumetric flask is heating and degraded directly,the content of total phosphorus in the circular water containing buffer erosion scale preventive agent of organic phosphorus can be determined.

含有机磷缓蚀阻垢剂的验收以及循环水中对总磷含量的测定方法，都要经过加硫酸和过硫酸铵加热氧化分解的过程，一般的标准方法都是采用在锥形瓶中加热，分解完毕再移入容量瓶中，进行显色测定。

Transfer 2.0 mL of this solution to a 100-mL volumetric flask, add 5.0 mL of Internal standard solution , dilute with pH 7.0 Buffer to volume, and mix.

供试品溶液1的制备（针对注射用单次量容器中的样品

Solution A: One pair will prepare a 1.0 x 10-3 M K3[Fe6] solution in a 250-mL volumetric flask.

溶液A：其中一对学生要用一个250-ml的容量瓶配制一个浓度为1.0 x 10-3 M 的K3[Fe6] 溶液。

Dissolve 0.5491 g of KH2PO4 in a 250 ml volumetric flask with water. Store in a dark cupboard no longer than 6 months. Preserve with three drops of toluene.

在250ml 容量瓶中用蒸馏水溶解0.5491g KH2PO4，可以加3滴甲苯避光保存于试验柜中，不超过6个月

Place the funnel with the filter paper and the precipitate in the neck of a 50mL volumetric flask. Dissolve the precipitate by washing the paper with 20% sodium hydroxide solution saturated with EDTA.

将置有滤纸和沉淀物的漏斗置于50ml容量瓶瓶颈处，使用EDTA饱和的20％的氢氧化钠溶液清洗，然后使用蒸馏水清洗并定容。

Solution F: At the beginning of each "kinetic day", the fifth pair of students will prepare a 2.5x10-4 M ascorbic acid solution by adding the appropriate amount of solid ascorbic acid to a 250-mL volumetric flask.

溶液F：在每一次开始&动力学实验&以前，第五对的学生要准备一个浓度为2.5x10-4 M的抗坏血酸溶液。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了