All chemicals were of analytical grade and used without further purification.

所有化学试剂均为分析纯，且使用前未经纯化。

Using the phenomenon, Some organism can be used as a biological detector, environment grade of water and air can be examined by ultra weak chemiluminescence analytical technology.

利用这种现象，将某些生物体作为生物探测器，应用微弱发光分析技术可以检测水体和大气的污染程度。

The theory model of electrophoresis analytical system using moving grade electrical field and the relative control process are put forward.

建立了电泳低电压运动梯度场分离的理论模型，提出了实现运动梯度场分离的控制方法和控制流程。

With the norm gray relational grade analytical method, this paper analyses the factors that influence the VMA-voids in the mineral aggregate-collapse.

利用范数灰关联度方法，分析了影响矿料间隙率(VMA)破坏的因素。