Companies using the milk for further production (e.g. of powdered infant formula) normally check the protein level through a test measuring nitrogen content.
而使用牛奶进行下一步加工(比如婴幼儿配方奶粉)的公司，一般通过测量含氮量来检测蛋白质含量。
2
Methods the Enfant mental Scales were used to test the infant behavior developmental quotient (DQ) at 1 year old. At the same time, the factors were collected by self-designed questionnaire.
方法采用儿童心理量表对1岁婴儿进行发育商测定，同时应用自行设计的因素调查表进行问卷调查。
3
We do the skin prick test on the flexor side of forearm, it also can be tested in the back skin for infant.