preliminary operation

Operation practice of preliminary biooxidation of refractory arsenical gold concentrate

难浸含砷金精矿生物预氧化生产实践

Comparison and preliminary analysis are made between two design schemes of pumping with exhaust blower and injecting with injector for the investment and energy consumption in operation at given engine exhaust conditions.

在给定的航空发动机排气条件下，对高空台排气系统中抽气机抽气和引射器引气这两种设计方案的投资和运行能耗进行了对比和简要的分析。

Preparation of Tumor Cell vaccine induced by Newcastle disease virus and Preliminary Study on active immunity of autogenous tumor cell vaccine after operation of carcinoma

NDV诱导肿瘤疫苗的制备及其在肿瘤主动免疫治疗中的应用

The preliminary experimental results of a new developed PSTM STM co operation system are reported.

报导我们研制的一套光子扫描隧道显微镜(PSTM)和扫描隧道显微镜(STM)联用系统的初步实验结果.

Preliminary operation analysis of introduced skid mounted gas dehydrating

引进橇装天然气脱水装置试运分析

Using VB program code and database form interface created, preliminary realization of automatic query operation screening function.

利用VB程序代码编写和数据库窗体界面的创建，初步实现自动查询操作筛选功能。