查询词典 refining

Active calcareousness, which has many advantages as the activator of steel-making residue, such as reducing the melting period, refining molten steel process, enhancing the purity and output of molten steel, decreasing the consumption of calcareousness and fluorite, increasing the life of converter, etc. is one of the basic raw materials introduced in steel-making industry. Besides it can be used in the purifying process of the molten steel.

活性石灰是钢铁工业的基本原料，它作为炼钢的造渣剂，具有缩短冶炼时间、提高钢水纯净度及收得率、降低石灰及萤石消耗、提高转炉炉衬寿命等优点，还可以应用于钢水精练过程。

His advice to you is to enable you to make some improvements, but also may be value you, so long as the boss does not tell you to go, you will do with that not only withstand the test of your ability, but also calcined refining your ability to work.

他对你的忠告是让你做一些改进，但是也可能是你的价值，只要老板不告诉你，你会做，不仅经受住考验你的能力，而且还煅烧精炼您的工作能力。

The technique of refining mucopolysaccharide from Dasyatis akajei cartilage was studied and the content of mucopolysaccharide was measured.

本文探索了利用碱浸提和酶法去蛋白从赤魟软骨中提取分离纯化粘多糖的技术，并对多糖进行了含量测定。

The technique of extracting and refining mucopolysaccharide from Dasyatis akajei cartilage obtained was studied and the content of mucopolysaccharide was measured.

探索利用碱浸提和酶法去蛋白从赤魟软骨中提取分离纯化黏多糖的技术，并对该多糖进行了含量测定。

Experimental study on enhanced deaquation process for extra-heavy crude oil using dehydrant ;2. DMF refining by molecular sieve as dehydrant ;3. Hybrid catalysts composed of JC207 methanol synthesized catalyst and dehydrant (HZSM-5 zeolite or γ-Al2O3) were prepared for the synthesis of dimethyl ether.

采用甲醇合成催化剂JC207和固体酸脱水剂(HZSM-5分子筛或γ-Al2O3)混合制得合成二甲醚双功能催化剂，并在固定床反应装置中进行了活性评价，考察了固体酸脱水剂的酸性对一步法合成二甲醚的影响。

M/s. The following dimensionless relationships were obtained: Sh=2+0.073Re〓Sc〓〓〓 The desulphurization process by powder injection and blowing in RH refining of molten steel and its mechanism have been considered and analyzed. Based on the tworesistance mass transfer theory and the mass balance of sulphur in the system, a kinetic model for the process has been developed. The related parameters of the model have been reasonably determined. Modeling and calculations for the process by injecting and blowing the lime based powder flux under the assumed operating modes in a RH degasser of 300t capacity have been carried out using the model.

考虑颗粒与液流的相对速度，RH—PTB条件下熔池传质特性可由下式表征： Sh=2+0.073Re〓Sc〓考虑紊流中脉动速度引起的能量耗散，RH—PTB条件下熔池传质过程服从如下关系：〓将粉剂颗粒与钢液间的传质当作刚性的气泡与钢液间的传质处理，对RH—PTB过程有：〓考察和分析了RH喷粉脱硫过程及机理，基于双重阻力传质理论和体系内硫的质量衡算，建立了RH喷粉脱硫过程的动力学模型，确定了模型各有关参数，包括各传质系数和脱硫处理过程中钢液内参与脱硫反应的粉剂量等。

BACKGROUND: Chitosan and its derivant are environmental-friend natural macromolecular materials, characterizing by great flocculation and adsorption capacities caused by electrophilic group including amino and hydroxyl groups, as well as its long-chain molecular structure. So chitosan is widely used as flocculants in domains of sewage disposal, food refining as well as Chinese medicine purification.

背景：壳聚糖及其衍生物是环境友好的天然高分子材料，其分子中丰富的带电基团如氨基、羟基以及长链分子结构赋予其优良的絮凝吸附能力，被作为絮凝剂广泛用于工业用水、食品精制以及中药液纯化等领域。

Based on the production data of desiliconization, dephosphorization and desulfurization in torpedo car , the additional desiliconization, treatment efficiency of dephosphorization and desulfurization, temperature drop and oxygen ratio is analyzed, and the effect of less slag converter refining with the desiliconized,dephosphorized and desulfurized hot metal is also presented.

依据混铁车内&三脱&生产实绩对铁水预处理过程中的补充脱硅，同时脱磷、脱硫处理效率、铁水温度、气氧比等工艺问题进行了分析讨论，同时也介绍了转炉使用&三脱&处理铁水进行少渣冶炼的效果。

The smelting of stainless steel has been developed by using powder injection process for desiliconization,dephosphorization and desulphurization of hot metal with pretreatment device,a 30 t EBT UHP EAF for smelting iron alloy and partial scrap,a 75 t K-OBM-S top and bottom combined blown converter and VOD refining at Taiyuan Steel.

太钢开发了通过预处理装置采用粉剂喷吹法对铁水进行脱硅、脱磷和脱硫；以30 t EBT UHPEAF熔化铁合金和部分废钢、75 t K-OBM-S顶底复吹转炉和VOD精炼的冶炼不锈钢工艺，生产能力已达50万t/a。

By analyzing the dynamics condition of ladle top-slag desulphuration and the physical and chemical properties of slag and combining production practice, the compositions of the modifier were confirmed, that is, Al 13%～17%, Al2O3 58%～62%, SiO2 8%～12%, MgO 3%～7% and salts＜8%. In the experiment, different amount of modifiers were used instead of the refining agent in original process (for Q235C steel grade).

为降低钢包顶渣的氧化性，通过分析钢包顶渣脱硫的动力学条件及炉渣的理化性能，结合生产实际，确定了顶渣改质剂的组成：Al 13%～17%，Al2O3 58%～62%，SiO2 8%～12%，MgO 3%～7%，盐类＜8%，改质剂具有高效实用、成本低、环境友好的特点。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。