Dispersant and crude oil emulsification viscosity reduction agent.
分散剂、原油乳化降粘剂。
Oil drilling mud dispersant and crude oil emulsification viscosity reduction agent.
原油钻井泥浆分散剂、原油乳化降粘剂。
It is an effective way to increase transmission capacity of pipelines by adding drag reduction agent in oil of pipeline.
在管输油品中加入减阻剂是提高管线输送能力的有效方法。
Technological research for direct reduction of SO2 to elemental sulphur using methane (natural gas) as reduction agent is described.
介绍用甲烷(天然气)直接还原技术使冶炼烟气中SO 2生成元素硫的工艺研究。
Use: used as a reduction agent, a catalyst for the production of methyl formate, and organic synthesis of pharmaceutical raw materials.
用途：用作缩合剂，生产甲酸甲酯的催化剂，用于医药原料的有机合成。
The influence of the oxidation and reduction agent to the mercury observational data is discussed based on the quantitative test and analysis.
在定量测试分析的基础上，讨论了保护剂和还原剂对水汞观测数据的影响。
The viscosity reduction property of the viscosity reduction agent and the stability of the emulsion can meet the need of the heavy oil production.
降粘剂的乳化降粘性能和所形成的乳状液稳定性均符合稠油生产要求。
The adding of the drag reduction agent can reduce the friction force of the current and increase the flow speed as well as increase the conveying distance.
引入减阻剂后，可降低湍流磨擦阻力，提高流速。增大输送距离和提高管道输送能力。
The concrete strength test was conducted with the concrete made of fly ash, cement and sand plus a certain high efficient water reduction agent FDN and the orthogonal design method.
采用粉煤灰、水泥、砂石，掺加一定量的高效减水剂FDN，利用正交设计方法安排试验。
We find out that the reducing agent has the advantages such as lower reduction temperature, quicker reduction, smaller excessive factor and lower pressure briquette.
发现，与原硅铁还原剂相比，此高效还原剂具有还原温度低、还原速度快、过量系数小、制团压力低等优点。
The paper studies the thermal reduction magnesium process with ferro-aluminum-silicon produced from carbon thermal reduction as reducing agent and kaoline coal gangue as raw material.
研究了采用高岭土型煤矸石为原料，经碳热还原制取的铝硅铁合金为还原剂热还原炼镁的工艺条件。
This article refers to what PPD can undermine the special structure of thick crude oil, and crude oil viscosity and pour point reduction in the chemical agent.
本文所说降凝剂是指能破坏特稠原油的结构力，使原油粘度和凝点降低的化学剂。
In gasification section, hot carbocoal and vaporization agent after reduction, oxidation and so on a series of chemical reactions that produce gas, called sublimation gas.
在气化段，炽热的半焦和汽化剂经过还原、氧化等一系列化学反应生成的煤气，称为气化煤气。
Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent.
采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集，得到两者的浓缩液。
The invention pertains to gas clarifying technology. It is used to sulfur modifying agent of wet oxide reduction of devulcanizing agent.
本发明属于气体净化技术领域，是一种用于湿式氧化还原法脱硫液中的硫磺改性剂。
This paper was studied on iron ore pellets direct reduction in shaft furnace by microwave heating and based on China's abundant coal resources as reducing agent.
本论文以我国储量丰富的煤炭资源为还原剂，进行了铁精矿球团竖炉微波加热直接还原试验研究。
The high temperature gas drive agent developed through study is good at foaming and viscosity reduction and is non-pollutive to oil reservoir.
研究表明，开发研制出的高温气体驱油剂具有较好的发泡和降粘作用，且对油层不产生任何污染。
The critical point of chemical reduction was the option of reducing agent.
化学还原法的关键在于还原剂的选择。
With the use of liquid reducing agent, the thermal reduction reaction environment change from solid - solid into solid - liquid, lead to significant improvement of heat and quality transfer.
该方法通过采用液态还原剂，实现热还原反应环境由固—固态转变为固—液态，大幅度改善热量传输、质量传输条件。
Using ascorbic acid as reducing agent and gelatin as dispersant, the spherical ultra-fine silver powder was synthesized by the chemical reduction method.
采用化学还原法，以抗坏血酸为还原剂，明胶为分散剂制备了球形超细银粉。
There are also issues with chlorthalidone being a better hypertensive agent because it has a longer duration of action and more persistent reduction of blood pressure over a 24-hour period.
氯噻酮作为一个更好的高血压药物也有问题，其作用时间更长，在24小时期内能持续降低血压。
It generates simple substance arsenic by reduction reaction in the colloid system with the existence of protection agent that plays a role of bi-template, dispersing and stabilizing simple substance.
其制备方法是在保护剂存在的胶体体系中，将砷化合物加还原剂还原形成单质砷。
The results show that smelting reduction and direct alloying by chromium ore in the converter are feasible, and externally applied reducing agent is indispensable;
结果表明：转炉内用铬矿熔融还原直接合金化是可行的，且必须外加还原剂；
This paper analyzes the influences of different methods adopted in burying resistance-reducing agent on resistance reduction and corrosion proof.
实测并分析了不同施埋方法对降阻、防腐的综合影响。
This paper analyzes the influences of different methods adopted in burying resistance-reducing agent on resistance reduction and corrosion proof.
实测并分析了不同施埋方法对降阻、防腐的综合影响。
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