refining相关论文
This article mainly introduced the process of clean steel with different ways in Panzhihua Steel based on high sulfur co......
Slag refining,as an important option for boron removal to produce solar grade silicon(SOG-Si) from metallurgical grade s......
The modification of MgO·Al2O3 spinel inclusions in Al-killed steel by Ca-treatment has been studied by industrial trial......
Taking into account the actual crude slate processed at the refinery, it is necessary to make reasonable combination and......
In order to combat the impacts brought about by the international economic crisis, since the beginning of 2009, the gove......
The effect of Gd modification on the microstructure and mechanical properties of A356 aluminum alloys was investigated u......
“There is never a mountain top unreachable by hands or a road end unreachable by feet.” When I was 5 years old， sitt......
Abstract： Enzymatic pretreatment of pulp is demonstrated to be potentially effective for decreasing the energy consumptio......
以总碱用量为12%(Na2O计)的绿液预处理的混合阔叶木浆为原料,探讨了PFI打浆处理对改善浆料酶水解效率的作用。结果表明:酶水解糖的......
通过对首钢京唐公司300t炼钢转炉→LF精炼→RH精炼→CC连铸各工序氮质量分数控制的研究,探讨影响钢中氮质量分数的因素和控制措施,......
采用电炉生产高洁净度焊丝钢,其主要工艺难点是在精炼过程中确保脱氧效果良好的条件下控制钢中Si含量。通过选择合适的脱氧剂种类......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Cleaning IF molten steel with dispersed in-situ heterophases induced by the composite sphere explosi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Influence of FeO and sulfur on solid state reaction between MnO-SiO2-FeO oxides and an Fe-Mn-Si soli
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Mass transfer of phosphorus in high-phosphorus hot-metal refining was investigated using CaO-FetO-SiO 2 slags at 1623 K.......
As a key step in secondary refining, the deoxidation process in clean stainless steel production is widely researched by......
The equilibrium reaction between CaO -Al_2O_3-SiO _2-MgO slag and 28 MnC r5 molten steel was calculated to obtain the su......
In view of the present problem of sulfur enrichment in the metallurgical recycling process of ladle furnace(LF) refining......
主要针对Al2O3非全属夹杂物在钢中的形成机理、存在状态及产生的危害进行研究,最终阐述了降低钢中Al2O3非金属夹杂物危害的措施,其......
The method for refining the straight-run diesel fuel was studied in laboratory scale in order to make the acid number of......
The influence of Ti, B, RE (cerium-rich mixtures of rare earth) and Sr, applied in modification and refining processes, ......
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Based on the two-phase fluid (Eulerian-Eulerian) model, a mathematical model about the gas-liquid flow and mixing behavi......
Lump lime as a flux material in a basic oxygen furnace (BOF) often creates problems in operation due to its high melting......
In order to improve the purifying efficiency of RJ6 flux, 5% (mass fraction) GdCl3 was introduced into the flux for refi......
The desulfurization ability of refining slag with relative lower basicity(B) and Al2O3 content(B = 3.5-5.0; 20wt%-25wt% ......
The effects of GdCl3 in flux on the loss of Gd,microstructure,mechanical properties,and corrosion resistance of Mg-Gd-Y-......
Controlling conditions for inclusion plasticization were calculated by FactSage,and the steel/slag reaction equilibratio......
The overall decarburization mechanism can be divided into the decarburization in bulk molten steel and floating of CO ag......
血站文化建设的核心是促使全体职工形成统一的核心价值观。采用小组讨论、专题讲座、座谈沟通、问卷调查、专题研讨等方法提炼了组......
以兰州市城区道路塌陷为例,通过对道路塌陷的统计和分布规律的分析,认为兰州市城区道路塌陷产生的原因与特殊的地质环境、人类工程......
综述了航空煤油制备和精制技术,并对添加剂进行了简单的介绍。化石燃料航煤的制备技术主要包括石油炼制技术和费托合成技术;生物航......
南非炼厂装置老旧,生产负荷较低,炼油能力无法满足当地油品需求,油品市场将长期保持净进口态势。南非政府为保障油品供应,制定了与......
我国连续电热结晶机经过国内外炼锡厂二十多年的应用,充分显示了其可靠性及先进性.为了深化连续电热结晶机操作过程的认识,提高其......
用伊朗减三线未脱蜡润滑油馏分为原料进行了NMP溶剂精制的研究,用正交设计法较深入地安排了溶剂比、溶剂含水量及抽提温度等因素的......
针对润滑油中危害最大物质之一的固体微粒，建立了润滑油介电动力学分离流态实验装置系统，研究了该方法主要工艺技术参数：电场强度和流......
分析了中国石化股份有限公司茂名分公司炼油装置在工艺加工过程、燃料消耗管理和热交换设备应用等方面存在的问题，介绍了采取优化工......
阐述了低碳经济对炼油与石化产业的影响，提出了炼油与石化工业温室气体排放计算方法，分析了低碳经济下炼油与石化产业的发展趋势和方......
采用不同工艺条件对商品棉浆进行打浆，研究纤维性能的变化，为棉浆的打浆提供理论指导。首先采用PFI磨进行商品棉泉的打浆，研究浆料的......
通过相关文献资料调研,介绍了帘线钢生产工艺流程及其冶炼、精炼和连铸技术现状,重点分析了帘线钢的质量控制.指出攀钢大方坯连铸......
[目的]确定大孔吸附树脂纯化黄芩苷的工艺条件.[方法]以黄芩苷为检测指标,优选大孔树脂精制纯化黄芩提取液中黄芩苷的最佳工艺.[结......
目前制取大豆粉末磷脂工艺常用丙酮萃取法,其影响因素包括萃取温度、时间、溶剂比和萃取次数.对这些因素进行了研究,通过正交实验......
海豹油作为功能性油脂的新来源,除富含EPA、DHA外,还含有增效因子DPA,具有较好的保健功能。精制及酯化作为高纯度功能性油脂生产的......
介绍了用稀碱碱炼方法对米糠油进行精炼的工艺过程，并阐述脱胶、碱炼、脱色、脱酸、脱脂、脱蜡主要操作工序。......
采用通气结晶法从混合硝基氯苯中分离提纯出凝固点≥ 82.4℃对硝基氯苯,并确定了分离级数及各级工艺条件.传热介质流速≥ 0.04 m/s......
研究了高取代度羟乙基纤维素（H—HEC）的精制工艺。根据H—HEC在丙酮水溶液中的溶解特点。考察了在洗涤过程中影响产品灰分的因素，并通......
介绍了我国非合金结构钢的发展、分类、技术标准、以及技术标准的国内外对比情况．着重对非合金结构钢的生产技术进步和生产实践进行......
