A method for the spectrophotometric determination of trace Cu 2+ with flow injection liquid liquid extraction separation and pre concentration was developed.
用自制的分相器与流动注射仪联用，对有机相析出液- 液萃取光度法测定微量铜的流路参数和操作程序进行优化。
The function of pre-processing system is to prepare data for the numeric analysis system of injection molding process, and the most important work of it is to provide meshes for the analysis.
前置处理系统的功能是为注射成型过程数值分析系统作好准备，其中最重要的是为有限元分析提供网格。
CAE for plastic injection molding software is usually divided into three subsystems: pre-processing system, numeric analysis system of injection molding process, and post-processing system.
塑料注射模cae软件一般划分为三个子系统：前置处理系统、注射成型过程数值分析系统和后置处理系统。
The transient stability of power system is used to be analyzed for a given pre-fault injection by using transient simulation method or transient energy function method.
以往的电力系统暂态稳定性的分析是针对事故前的一种给定注入进行事故过程的动态仿真或用暂态能量函数的方法进行的。
A method of determining trace bromate in drinking water by an ion chromatograph was established with direct injection and conductivity detection but without sample pre-treatment.
建立了一种无需样品前处理、直接进样、电导检测饮用水中痕量溴酸盐的离子色谱分析方法。
Injection fixing arrangements (1) of this type exist for use in pre-insertion mounting.
已知有这样的注浆固定装置（1）用于预插装配。
Taking the certain small scaled turbojet as an example, the influence by mass injection and pre-cooled engine was calculated and analyzed along fly trajectory.
并以某小型涡喷发动机为例，沿飞行轨迹计算分析了射流预冷却对发动机性能的影响。
Methods: Retinoscopy was performed on 17 eyes of 17 patients with silicone oil injection in which the retina is in place. Pre-and postoperative refractive states were compared.
方法：对17例已行玻璃体切割硅油填充手术后视网膜基本复位的患者进行检影，对比患者术前术后不同的屈光状态并进行分析。
Methods: Retinoscopy was performed on 17 eyes of 17 patients with silicone oil injection in which the retina is in place. Pre-and postoperative refractive states were compared.
方法：对17例已行玻璃体切割硅油填充手术后视网膜基本复位的患者进行检影，对比患者术前术后不同的屈光状态并进行分析。
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