Pre-dosing of the filling quantity in a dosing tank allows for high filling accuracy and high speeds, as the filling process is not affected by product foaming or bubbling.

Taking examples of metering and dosing system from Brugman Company of Holland and a Japanese company, the structure and working principle of proportional pump were illustrated. Simple and reliable and cheaper piston metering pump from japan and domestic digital controlled dosing pump were introduced.

本文以荷兰Brugman公司和日本东海染工所的比例泵加料系统为例，阐述了比例泵的结构和工作原理，对印染厂自动计量加料系统提出改进措施建议。

Melt dosing pump is the one of key equipments in a advanced MeltingCondition technology in our plant. A new type of frequency conventer Simens6SE3575 was selected to control and run it.

熔体计量泵是我厂“熔体调整”新技术的关键设备之一，选用了西门子6SE3575新型变频机来控制和驱动。

Reverse Osmosis Desalting Device: it adopts and consists of the most advanced reverse osmosis membrane element, high-pressure pump, instruments and dosing pump produced at home or abroad.

反渗透脱盐装置是采用国内外生产的最先进的反渗透膜元件、压泵、表、药计量泵组装而成的。

Frequency speed control of centrifugal dosing pump

离心式投药泵的变频调速调节

Modification of the converter control mode for melt dosing pump

熔体计量泵变频控制方式的改造

Main points of the dosing system design of industrial circulating cooling water treatment

工业循环冷却水处理加药系统设计要点

Design and Application of Coal Slurry Automatic Dosing System in Preparation Plant

选煤厂煤泥水自动加药系统的设计与应用

The Coagulant Dosing System Based on Compound Control in Water Works

基于复合控制的水厂混凝剂投加系统

Exploitation and application of lime dosing system in water treatment plant

水厂石灰投加系统的开发与运用

In vacuum epoxy resin dosing machine, measuring-valve is a very important parts.

在真空树脂灌注机中，计量阀是一个很重要的部件。

Applied PLC Intelligent Programmable Dosing Machine to Ore Dressing Plant

PLC智能型程控加药机在选矿厂的应用

The Development of Precise Dosing Machine Measure Valve and Analysis of Its Reliability

精密灌注机计量阀的研制及可靠性分析

The effect of different emulsifiers on the stability of petroleum resin emulsion was discussed. The dosing method and formula ratio of emulsifier, as well as the composition of emulsion was determined. The emulsifying process and the effect of temperature and stir speed on it were studied.

制备了石油树脂的水基乳液，讨论了不同乳化剂对石油树脂乳液稳定性的影响，确定了乳化剂的加入方式，用量及乳液配方，研究了乳化工艺及温度、搅拌速度对其的影响。

The paper points out the application of golden ferment on treating the solid waste from the planting and culture, and carries out comparative test on the fertilizer efficiency of different dosing ratio compost materials by golden ferment, and finds out prior formulation.

提出了应用高效农村有机物料腐熟剂&黄金酵素综合利用农村种植业废物和养殖业废物的思路，并通过不同配比堆肥的肥效对比试验，找到了较优化的配方。

By experiment, the effect of reaction time, reaction temperature and dosing ratio are studied. Preferred reaction conditions are determined: the suitable reaction temperature, reaction time and dosing ratio are refluence, 4 h, and 1:4 mol.

通过实验，考察了还原反应温度、反应时间和投料比对该反应的影响，确定了该反应的最适宜反应条件为：反应温度为回流温度，反应时间为4h，投料比为1：4。

The results showed that the rational dosing ratio of the steel sediment, coal ash powder and gypsum could make desulfurizing adsorbent to reach the good desulfurizing properties.

试验表明：一定比例的钢渣、粉煤灰、石膏可以制备成性能良好的脱硫剂，得到良好的脱硫效果。

Investigation was made for the factors such as low temperature, dosing ratio, and biofilm mass, which affected the denitrification effect.

中试结果表明，投加悬浮填料和采用前置反硝化的运行方式可使系统的氨氮和总氮去除率得到显著提高。

Comparative Research on the Fertilizer Efficiency of Different Dosing Ratio Compost Materials by Golden Ferment

黄金酵素作用于不同配比堆肥物料的肥效对比试验研究

Progress in chemical dosimetry and Discussion on biochemical radiation indicator

化学剂量计的研究进展和生物化学剂量计探讨

Objective To monitor the performance constancy of the HS-126E automatic X-ray film processor and to investigate the effects of chemical processing time on the reproducibility of film dosimetry.

目的监测冲洗药水更换周期内HS-126EX线胶片自动冲洗机的性能稳定性，研究冲洗时间因素对胶片剂量测量的影响。