微量注射器 meaning in English

micro syringe
microliter inyeetor
micrometer syringe
micropipettor
microsyringe

As precise control of incoming sample amount is hard when using microinjector , it is better to use quantitative ring or auto - sampler to take samples when using external standard method to measure content of a certain impurity or main component of the test samples
由于微量注射器不易精确控制进样量，当采用外标法测定供试品中某杂质或主成分含量时，以定量环或自动进样器进样为好。
Then , this paper introduces the work of this experiment including the following several respects : ( 1 ) assemble a simple device for spme with a micro - syringe , and set up the system for appraising the enrichment ability of spme coating to solid sample and liquid sample
本实验的工作包括以下几个方面： ( 1 )用微量注射器组装法自制了简易固相微萃取装置，建立了评价spme涂层富集能力的固体样品体系与液体样品体系。