The results show that the concrete are damaged by two ways: lysis-type chemical corrosion and expansion-type chemical corrosion. 结果表明,所有反应产物均分别以溶解型化学腐蚀和膨胀型化学腐蚀这两种方式对混凝土产生破坏作用。
For fracture rock, the fracture stress will be reduced and the crack length will increase under the chemical corrosion. 对于裂隙岩体来说,化学溶液的腐蚀则主要体现在断裂应力的减小和裂隙的增大。
Good chemical corrosion resistance, weatherproof, flame retardant and water proof. 电缆具有较好的耐化学腐蚀性、耐气候性、阻燃和防水性能。
By the analysis of the change of rock mesostructure under chemical corrosion, corrosive and damage effect of chemical solutions on rock mesostructure is studied. 通过化学腐蚀下岩石细观结构的变化,分析研究了化学溶液对岩石细观结构的腐蚀损伤效应;
Installation place where has no fire, explosion, chemical corrosion and sharp shakes. 安装场所应无易燃物质、爆炸危险、化学腐蚀及剧烈震动。
It is with the conventional chromium-nickel austenitic stainless steel alloys such as304, compared with a stronger resistance to chemical corrosion. 它与常规的铬-镍奥氏体不锈钢如304合金相比,具有更强的抗化学腐蚀能力。
By using the routine chemical corrosion, show the defect of the Monocrystalline Silicon; find the typical linear deranged. 用常规化学腐蚀法显示出单晶硅中的缺陷,观察典型的位错。
Experimental results show that the replacement of slags by pozzolan can reduce the mechanical strength Of AASC, but it can be obviously favorable for the resistance to chemical corrosion and t. 研究了这些材料对碱矿渣水泥的强度、抗化学侵蚀性能以及抑制泛碱的作用。
The Test of Soil Property and Numerical Simulation of Bearing Capacity for Chemical Corrosion Foundation 化学腐蚀地基土性质试验及承载力数值模拟
Polycrystalline silicon Examination method Assessment of sandwiches on cross-section by chemical corrosion GB/T4061-1983硅多晶断面夹层化学腐蚀检验方法
Test methods for resistance of glazed ceramic tiles to chemical corrosion GB/T13478-1992陶瓷砖釉面抗化学腐蚀试验方法
Performances: High temperature resistance, flame retardant, resistance to chemical corrosion, dimensional stability, durability in using. 性能特点:耐高温、阻燃、耐化学腐蚀、尺寸稳定、持久耐用。
Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone 化学侵蚀下硬脆性灰岩变形和强度特性的试验研究
Use made of acid and alkali processing of materials covered by rubber, has good resistance to chemical corrosion and good 选用耐酸碱的材料加工制成覆盖胶,具有良好的抗化学腐蚀性能和良好的
High-performance anti-sticking film was prepared on copper substrate using chemical corrosion method. 拟通过化学腐蚀方法在铜基底上制备出高性能的不粘薄膜。
The chemical corrosion by the hydrazine hydrate solution enhances cavitation corrosion. 水合肼溶液的化学腐蚀又加剧了空泡腐蚀。
, the authors think that bedrock water has no chemical corrosion to the lining. 认为基岩地下水不会对衬砌产生化学腐蚀。
An evolutionary neural network constitutive model is proposed to describe the whole stress-strain process of rock under chemical corrosion. 提出一种反映化学腐蚀下岩石全应力应变特征的进化神经网络本构模型·该模型不同于常规的本构模型,化学腐蚀影响下全应力应变特征反映在其网络结构和网络权值上;
The results of microhardness and corrosive resistance showed that mechanical properties of surface layer have been improved due to the refined grain. The microstructures and the corrosive resistance of oxide films were studied by means of X ray diffraction and electro chemical corrosion. 轰击后样品表面的显微硬度与耐腐蚀性测试结果表明,显微组织的细化,改善了金属材料表面的物化性能。采用X线衍射法和电化学腐蚀法分析其表面微观结构和耐腐蚀性。
Thermal and mechanical stress besides chemical corrosion is the main wear mechanism of refractories. 耐火材料损坏除了化学侵蚀以外,还有热机械应力。
After those treatments the electrochemical activation is improved and the chemical corrosion is decreased. 与未经处理的铝合金相比,经过退火、回火的铝合金电极,其电化学活性增大的同时化学反应腐蚀速率大大降低,改善了铝合金电极的电化学性能。
The surface treatment of carbon fibre were mentioned, such as elevated temperature treatment, chemical corrosion method, gas phase sedimentation, electrolytic method and plasma treatment, the advantage and application of different treatments were compared. 本文简述近年来国内外主要碳纤维表面处理方法,如高温热处理、化学腐蚀法、气相沉积、电解及等离子法,并比较各种处理方法的优点及适用领域。
Based on the principles of chemical corrosion, this article discussed how to use variant erodents of nitric acid in alcohol to reveal the metallographic structure of one phase alloy and multiphase alloy. 作者从化学腐蚀原理出发,对不同浓度的硝酸酒精侵蚀剂显示单相合金与多相合金的金相显微组织进行了研究和探讨。
Electric-chemical corrosion is related to H+ and O2 concentration of electrolyte. The higher the H+ and O2 concentration, the faster the chemical corrosion rate. 电化学腐蚀主要与电解质溶液中的H+和O2的浓度有关,电解质溶液中的H+和O2的浓度越大,电化学腐蚀速度就越快。
Study on Chemical Corrosion Solution Composition of Carbonized 碳化钨化学腐蚀液组成的研究
Especially corrosion perforation, crack expanding and rive and so on by chemical corrosion and electrochemistry corrosion make medium leak and cause serious disaster and environment pollution. This is a big economic loss to the state economy. 特别是环境中的化学腐蚀和电化学腐蚀引发的腐蚀穿孔、裂纹扩展以及破裂等,使介质泄漏,引起严重灾害和环境污染,给国家财产造成巨大的损失。
PBT not only has the advantages such as low glass transition temperature, fast crystallization rate and good molding performance, but also possesses high heat resistance, high mechanical strength, high electrical insulation, chemical corrosion resistance, aging resistance and low friction properties. PBT不仅具有玻璃化温度低、结晶速度快、加工成型性能优良等特点,而且具备高耐热性、高机械强度、高电绝缘性、耐化学腐蚀、耐老化及低磨擦性等性能。
Analyzing chemical corrosion behavior of the fatty acid alkanol amide phosphates. 脂肪酸烷醇酰胺磷酸酯盐化学腐蚀行为的分析。
As an inorganic whisker, the calcium sulfate whisker has the merit of high temperature resistance, chemical corrosion resistance, Toughness, High strength, easiness for surface treatment, good compatibility and smoothness and so on. 硫酸钙晶须作为一种无机晶须,具有耐高温、抗化学腐蚀、韧性好、强度高、容易进行表面处理、良好的相容性和平滑性等优点。