查询词典 corrosion

Based on analyses of the present applications of corrosion inhibitors for recirculated cooling water, a new-type of complex corrosion inhibitor containg molybdate, zincate, organic acid and gluconate was proposed.

为解决某水样的腐蚀问题，提出了一种由钼酸盐、锌盐、有机酸、葡萄糖酸盐等组分的复合缓蚀剂配方，设计了正交实验，并采用旋转挂片测定了其腐蚀速度。

According to SEM observation, the corrosion regulation of LC4 aluminum alloy with alclad in China water system and the protection of alclad on LC4 were studied. The corrosion experiment was done in seawater of Qingdao, Zhoushan, Xiamen, salt lake with high salinity of Geermu, and fresh water of Changjiang River in Hankou.

利用带包铝LC4铝合金在东部地区海水、西部地区盐湖水、中部地区淡水中的暴露腐蚀试验，对盐湖水中包铝对铝合金基体的保护作用行为进行了探讨，得到带有包铝的LC4铝合金在水系统中的腐蚀规律。

Ion implantation of 3×10〓/cm〓 Y can slightly shorten the initiation stage, but has no obvious effects on the long period hot corrosion behavior of alloy M41. After corroded for 100 hours at 900 ℃, the gas aluminide coating of alloy M41 didn't initiate accelerated hot corrosion, but the coating has been seriously destroyed.

表面注入剂量为3×10〓／cm〓的Y略微缩短M41合金热腐蚀的孕育期，但对长时间的热腐蚀影响不大。M41合金气相渗铝涂层热腐蚀100h后，没出现加速热腐蚀，但涂层破坏严重。

The results show that the samples exposed to the air previously for 24 h can be passivated automatically in acetic acid solution with Cl- with the corrosion potential remaining 100mV.No such phenomenon was observed for samples which were cathodically polarized with the corrosion potential stabilizing at a value of -242±3mv. The passive film formed by anodically polarizing is more proof than formed in the air.

研究还发现：在空气中放置24小时后的试样在Cl-醋酸溶液中能自钝化，自腐蚀电位为100mv；经阴极极化后的试样在Cl-醋酸溶液中不能自钝化，其自腐蚀电位为-242±3mv；经阳极极化形成的钝化膜比在空气中自然形成的钝化膜更致密。

A kind of complex corrosion and scale inhibitor using to hot water boiler s was proposed, the mechanism of inhibition and antiscale was discussed, and its inhibition efficiency for corrosion and scale was evaluated.

优选出一种用于热水锅炉的复合缓蚀阻垢剂，对其缓蚀阻垢机理进行了讨论，并评价了其缓蚀阻垢效

The hygienic and toxinfree Xinli PP-R pipes serial products are green and environmental construction materials, which have been recommended by the four ministries and commissions of the State Department, The products are heatresistant which means that the temperature of the supplied water can reach 95℃ under the specified long-term working hours, They are also corrosion-resistant and antiscale and can prevent any corrosion and rust in pipes, lavers and bathtubs.

&鑫利&PPR给水管系列产品，质量轻，20℃时的密度为0.89—0.91g/cm3，重量仅为钢管的九分之一，紫铜管的十分之一。由于重量轻，可大大减轻工人的施工强度。耐热性能好：瞬间使用水温可达95℃，长期使用时，当工作压力不大于0.6mpa时，水温可达75℃。这可满足一般生活、生产水温的需要，所以建筑给水PPR管一种较理想的热水管材。耐腐蚀性好：对水中的所有离子和建筑物内的化学物质均不起化学作用，不生锈、不会腐蚀。

A silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide .

一种银色金属元素，可延展、抗腐蚀，用于许多合金中，亦用于包裹其他金属以防其腐蚀，主要取自锡石中的锡氧化物。

In the process of corrosion in 3.5% NaCl solution, the ceric aluminum brass forms a homogeneous and tight corrosion film on the surface, which can inhibit the diffusion of Zn from the surface of matrix to the solution, and restrain the dezincification to a certain degree.

在NaCl (3.5%)溶液中腐蚀过程中，铈铝黄铜表面形成一层较均匀致密腐蚀产物膜，较好地阻止了Zn从基体表面向介质中扩散，在一定程度上抑制了脱锌；铈铝黄铜耐腐蚀性能略优于砷铝黄铜，腐蚀速率为6.2×10^(-3) mm/a。

The corrosion inhibitor prevents cathode and anode process of metal corrosion,so it can be used in a wide temperature range(60～150℃)and in high chlorhydric acid concentration (15%～34%).

该缓蚀剂对金属腐蚀的阴、阳极过程起抑制作用，因此使用的温度范围宽（60～150℃），盐酸浓度高（15％～34％），该产品生产工艺简单，成本低，是油田较理想的酸化缓蚀剂。

Due to the corrodibility of soil and roughness of corrosion protection presently, old fuel gas pipes in Shen Zhen suffer severe corrosion, confronting a great deal of accidents after more than ten years' running.

摘要由于深圳土壤的强腐蚀性和当初防腐工作的粗糙和不完善，深圳旧燃气管道遭受严重的腐蚀，经过十多年的运行，腐蚀老化严重，已经到了事故多发阶段，因此对旧燃气管道进行防护势在必行。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。