The reason to use pure water is to limit the corrosion potential of the coolant water during normal operation.
用纯净水的目的是为了限制日常操作中对冷却剂潜在的腐蚀。
Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stem tip, preventing the valve from making a complete seal.
这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。
Leather Watchband is needless to say, sweat corrosion can cause premature hardening of belt cracking, normal maintenance should avoid sweating the wet period wear belt table.
皮表带就更不用说了，汗渍的腐蚀会使皮带过早硬化开裂，正常保养应该避免多汗多雨时期戴皮带表。
Maintenance efforts focus on corrosion prevention and removal in addition to normal checks for wear and free play.
维护时应当重点关注腐蚀的预防和去除并加强常规检查，防止损伤和自由位移。
The corrosion of edge plate of upright metal oil tank strongly influences the normal operation and safety.
立式金属油罐罐底边缘板的腐蚀严重影响油罐的正常使用和安全运行。
Leather strap not to mention, perspiration premature corrosion will make the belt hardening cracking, normal maintenance should avoid wearing sweat rainy period belt table.
皮表带就更不用说了，汗渍的腐蚀会使皮带过早硬化开裂，正常保养应该避免多汗多雨时期戴皮带表。
All members that have been treated against corrosion donot need to be treated against corrosion and dust again within20 years on promise that normal maintenance is ensured.
所有经过抗腐蚀处理的构件，保证在正常维护情况下，20年内无需重新进行防腐防锈处理。
Heat exchangers are the critical equipment in petroleum refinery process units, whose corrosion will have a great impact on the normal unit operation and product quality.
冷换设备是石油炼制装置中重要的设备，冷换设备的腐蚀已严重影响产品的质量和装置的正常运行。
The corrosion and wear of rod pump well cause the damage of downhole equipment and seriously affect the normal production of oil well.
有杆泵井中的腐蚀和磨损，造成油井的井下设备损坏，严重影响油井的正常生产。
In the article, the normal damage to the screw of the spiral food expansion machine and its conditions of tolerating force because of the comprehensive action of wear and corrosion are analysed.
本文对螺旋式食品膨化机螺杆由于磨损和腐蚀的综合作用引起的正常破坏以及受力情况进行了分析。
The insurance of the normal operation of vacuum degassing system and sealing performance of the desalted water drum was the important measure to control the corrosion.
确保真空除气系统正常运行和二级除盐水箱的密封效果是控制腐蚀的主要手段。
Compared with normal rods, the carbon fibre coiled rod behaves much more advantages, such as lighter weight, better elasticity, resisting corrosion, higher fatigue limit, etc.
碳纤维连续抽油杆与普通抽油杆相比具有质量轻、弹性好、抗腐蚀、耐疲劳等优点。
At present, the chemical industry used in the large number of glass-lined reactor, once these products appear enamel enamel off the surface resulting in corrosion, normal use will not be able to.
目前化工行业中使用的搪玻璃反应釜数量庞大，一旦这些搪瓷制品出现搪瓷剥落导致表面腐蚀，就不能正常使用。
List normal and special sources of acoustic or electromagnetic noise, serious vibration, sources of corrosion, and any other significant interfering parameter that might prevent successful measuring.
列出常见和特殊的声、电磁噪声来源，严重的振颤，腐蚀源以及所有有可能影响正常测量的干扰因素。
Recycled cooling water system may result in corrosion, scaling and microbe breeding during its operation, which will affect its normal operation.
但循环冷却水系统在运行过程中通常会产生腐蚀、结垢、细菌滋生等问题，影响系统的正常运行。
The results of the measurement show that the rate of the corrosion is of a normal range.
测量结果表明，闸门的锈蚀速率属于正常范围。
The frequent corrosion failures of pipelines in Zhongyuan Wennan oil and Gas field have affected the normal operation of the oil field.
中原文南油气田管线因腐蚀严重造成频繁穿孔，严重影响了油田的正常生产。
Because the pipeline from corrosion and man-made drilling oil stolen, frequent oil spill, not only seriously disturbed the normal oil production, but also to the country caused huge economic losses.
由于管道腐蚀老化和人为打孔盗油等原因，时常导致原油泄漏事故的发生，不但严重干扰了油田的正常生产，也给国家造成了巨大的经济损失。
The service life is short when normal anticorrosive coating is used on petrochemical equipments, metal and nonmetal frames and structures to prevent corrosion.
石油化工设备、金属和非金属框架及结构，采用常规防腐涂料防腐，使用寿命短；
This indicates that normal stress component plays a dominant role in stress corrosion of this system, which is related to the anodic dissolution accelerated by normal stress component.
这表明，正应力在这种应力腐蚀体系中起主导作用，这和正应力能促进阳极溶解过程有关。
The corrosion of aldehyde condensation solution has been a great difficult technical problem in polyvinyl alcohol fibre production industry, which has been hindering the normal operation of the plant.
维纶醛化液腐蚀是维纶行业的一大技术难题，一直困扰着工厂的正常生产。
Based on the method of linear polarization, AC impedance and time potential, it is studied that the properties of seawater corrosion resistance of rebar in normal concrete and fly ash concrete.
应用线性极化法、交流阻抗法和时间电位法等电化学方法对普通混凝土和掺粉煤灰混凝土中钢筋耐海水侵蚀性能进行了研究。
Service life. The normal service life of up to 10 years, Light steel structure has been galvanized, painting and other anti-corrosion treatment, .
使用寿命。轻钢结构均进行过镀锌、喷漆等防腐处理，正常使用寿命可达10年以上。
The antirust and dehydration properties of the normal temperature dehydrating antirust oil were investigated through experiments of corrosion and water displacement.
通过腐蚀实验和水置换性试验，研究了常温脱水性防锈油的防锈性能和脱水性。
For normal alkali corrosion procedure of aluminum alloy, the treatment time is long, and exceeding corrosion will occur.
前言：常规的铝合金碱蚀工序时间长，易产生“过腐蚀” ；
The cerium conversion coatings on LY12 aluminum alloy surface under normal temperature was studied by electrochemical methods and corrosion experiments.
应用电化学方法及腐蚀试验研究了LY 12铝合金表面常温稀土化学转化膜。
The dynamic performance, corrosion rate and coking time of the mortar were tested under normal temperature and after heat treatment and corrosion individually.
并用该树脂与固化剂、惰性添料配制了胶泥，测试了其常温、热处理及腐蚀后的胶泥的力学性能、腐蚀率及焦化时间。
The frequent occurrences of corrosion failure of the pipelines of oil gathering and distribution systems in Wennan oil field has greatly affected the normal oil field operation.
近年来文南油田油气集输系统管线腐蚀穿孔频繁，严重影响了油田正常生产。
High acidity crude oils have an advantage over normal oils in price, but can cause corrosion and refinery problems.
高酸值原油与常规原油相比有价格优势，但存在腐蚀及相关炼制问题，是炼油行业中“机会原油”之一。
The production shows that the best bluing time in normal temperature is from 4 to 8 minutes and bluing film is bright and anti-corrosion capacity is at or higher than the specified state standard.
生产实践表明，常温发蓝的最佳发蓝时间为4 ~8分钟，发蓝膜光亮，耐蚀达到并超过国家规定标准。
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