Analysis of Oxide Skin Exfoliation and Operational Characteristics of Boiler 2 Final Reheater in Zhujiang Power Plant 珠江电厂2号锅炉末级再热器氧化皮剥落与运行特性分析
Measures were taken to correct electrolyte and acid-base imbalance A study on the acid cleaning process of the oxide skin on carbon steel has been made with potential tracing. 采用电位跟踪法研究碳钢氧化皮的酸洗过程。
Influence of Oxide Skin Thickness on Photoemissivity of Polarizing Angle from Surface of Continuous Casting Billets 氧化层厚度对铸坯表面偏振角发射率的影响
The lifetime diagnosis of superheater based on oxide skin measurement 基于氧化皮测量的过热器寿命诊断分析
This paper analyzes forming cause of the oxide skin in low temperature reheater, superheater and condenser, and introduces the measures taken to avoid drop of oxide skin on the basis of experience. 对低温再热器、过热器、凝汽器内氧化皮形成的原因进行了分析,并根据经验介绍了避免氧化皮脱落所采取的措施。
Oxide skin structure and thermodynamic analysis of hot-rolled coiled sheet 热轧卷取板的氧化层结构及热力学分析
The compound disinfection emulsion composed of chlorhexidine acetate, nanometer zinc oxide and emulsifying agent is a new-type skin disinfectant. In order to observe its efficacy in disinfection of the hands of medical staffs, on-the-spot trial for disinfection of hands of 30 volunteers was carried out. 以醋酸氯己定和纳米氧化锌及乳化剂组成的复方消毒乳液是一种新型皮肤消毒剂,为观察其对医护人员手消毒效果,以30名志愿者手为对象进行了现场消毒试验。
Test results showed that the optimized pickling process could clean oxide skin of weld surface in effect and improve pitting-resistance property greatly. 研究结果表明,采用本文中的酸洗工艺可以有效清除不锈钢焊缝表面的氧化皮,并改善其耐点蚀性能。
Influence of trace elements on the hydrogen pick-up and morphology of the protective oxide skin in aluminium alloy melts 微量元素对铝合金液含氢量及氧化膜形态的影响
In the accelerated laboratory tests, the steel with oxide skin had larger corrosion weight loss than the steel with nude surface. 在气相加速腐蚀试验中,裸表面钢筋比氧化皮钢筋有较大的腐蚀失重量;
The content of nitric oxide was higher in: 2.Normal fetal rabbit skin than that of normal adult rabbit ( P < 0.01). 正常胎兔皮肤中NO含量高于正常成兔皮肤中NO含量(P<0.01)。
Oxide inclusion defects can be divided into: beehive-like slag-holes beneath the skin, inclusions in the surface layer, agglomerated inclusions in castings after machining, local penetrated porous inclusions etc. 氧化夹渣缺陷可分为皮下蜂窝状渣孔,整个断口上的夹渣,麦面氧化夹渣层,加工后铸件中成团簇的夹渣和局部穿透的疏松夹渣等缺陷。
Analysis of superheater's tube-burst caused by falling-away of oxide skin 氧化皮脱落导致的过热器管爆管分析
Suitably enhancing the speed of increasing or decreasing the load of unit; carrying out aimed detection by using oxide skin detecting technology etc., to ensure the safety of operation. 对此提出了严格控制蒸汽和锅炉部件金属温度及严格进行蒸汽冲洗,适当提高机组升降负荷速度,并利用氧化皮检测技术进行针对性检测等措施,保证锅炉运行安全。
Objective: To study the relationship between protein expression of inducible nitric oxide synthase ( iNOS), endothelial nitric oxide synthase ( eNOS) and Vascular endothelial growth factor ( VEGF) as related to facial skin carcinoma proliferation. 目的:研究颜面皮肤癌组织血管内皮生长因子(VEGF)、诱导型一氧化氮合酶(iNOS)、内皮型一氧化氮合酶(eNOS)的表达与癌细胞增殖的相关性。
Control group ( 49 cases) were treated with zinc oxide oil ointment and kept the skin of buttocks clean and dry. 对照组49例,保持臀部皮肤清洁干燥,皮损局部外涂氧化锌油软膏。
Objective: To study the change of nitric oxide synthase ( NOS) expression in melanocyte of guinea pig's skin under the effect of emodin monomethyl ether ( EME) and to explain the effective consistence and mechanism of rhabarb action. 目的:研究大黄有效成分大黄素甲醚对豚鼠皮肤黑色素细胞内一氧化氮合酶(Nitricoxidesynthase;NOS)表达的变化,阐明大黄对黑色素细胞的有效作用浓度和可能机制。
With some practical examples in domestic power plants, the paper particularly analyzes harms caused by oxide skin peeling. 结合国内多家电厂锅炉金属氧化皮问题的实例,详细分析了金属氧化皮剥落的危害。
The main failure modes of high temperature wear include the spalling of high temperature oxide skin and abrasive wear. 高温磨损的主要失效形式为高温氧化皮的剥落和磨粒磨损两种形式。
Because the inner layer has poor adhesion and decompose easily, it leads to produce unstable layer between the oxide skin and base metal. The oxide skin spalls easily from inner under the action of thermal stress. 因内氧化层粘附性差且易分解,使氧化皮与金属基体之间产生不稳定层,在热应力的作用下易使氧化皮从内层发生剥落。
In all the factors, the oxidation film thickness increasing and oxide skin internal stress changing lead to be failure. 在各因素的作用下,氧化皮厚度不断增长,氧化膜内应力不断变化而导致失效。
This thesis detects the position between the secondary cooling zone export and the straightening machine, because of the adverse circumstances and oxide skin, single sensor is not accurate and stable enough. 本文检测的是二冷出口与矫直机之间的铸坯表面温度,由于受到现场恶劣环境、表面氧化皮等因素影响,采用单一测温传感器无法实施准确稳定的测量。
Considering the unit efficiency and wall temperature the influence on the oxide skin generating speed, through checking the security and economy, the temperature control line ( B line) of high temperature heating surfaces of the ( ultra-) supercritical boiler under economic operation is got. 综合考虑机组效率及管壁温度对氧化皮生成速度的影响,通过安全和经济校核,得到了超(超)临界锅炉经济运行的高温受热面的温度控制线(B线)。
Researches show that, the high temperature steam oxide skin growth rate of the ( ultra-) supercritical boiler is related to the factors, such as, the material, wall temperature, running time and the oxidation atmosphere. 研究表明,超(超)临界锅炉高温蒸汽侧氧化皮生长速度与材质、管壁温度、运行时间及管内氧化气氛等因素有关。
On-site test shows that the result of the scanner to detect the oxide skin in austenitic stainless steel is obvious. 现场检测得到该仪器对奥氏体不锈钢管内氧化皮的探测效果显著。