查询词典 flask

Weigh approximately 50mg of a previously released lot of EP-55 drug substance into a 25mL volumetric flask.

称量约50mg以前生产的BM-55药品，放入25ml容量瓶中。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。