碳钢

Dryer evaporator, heat expansion valve and control box, etc, and choosing packaged imported cooling compressor, famous brand controlling parts, and choosing packaged imported cooling compressor, famous brand controlling parts, and choosing packaged imported cooling compressor, famous brand controlling parts, and condenser used advanced B10 high efficient heat transmitting pipe, and can protect ship swing from flow-stop.

压缩机选用原装德国或美国进口制冷压缩机；冷凝器选用抗腐蚀能力强的海水型专用壳管式冷凝器，冷疑器铜管材质为B10，壳体为A3碳钢，管板、端盖为碳钢加防腐环氧树脂涂层，并且端盖内装有防腐锌块；关键电气控制元件选用进口名牌产品；电控箱内有冷冻水和超低温冰点控制，制冷系统有压力控制和超温泄放装置，有电机过热和电流电压保护措施。

Clad stainless steel plate is a kind of high energy saving material, which consists of carbon steel base covered with 2~20mm thick stainless steel plate on one or both sides. It bring the merits of both metallic materials, not only the functions of anticorrosion, abrasion resistance, magnetism proof and decoration of the stainless steel, but also the characteristics of weldability, mouldability, extensionality and thermal conductivity of the carbon steel.

不锈钢复合板是一种以碳钢为基体、单面或双面整体包覆2~20mm不锈钢的高效节能复合材料，它能够充分发挥两种金属材料的特性优势，既具有不锈钢的耐腐蚀性、耐磨性、抗磁性和装饰性，又具有碳钢良好的可焊性、成型性、拉延性和导热性。

In this paper the concerted anticorrosion action of the hydrolyzate of egg and anodic protection on normal carbon steel is found by measuring the anodic passivation curve of normal carbon steel in 2 mol/L (NH 4) 2CO 3 solution,of different concentration of the hydrolyzate of egg s.

通过测定碳钢在含不同浓度鸡蛋水解物的2mol／L（NH4）2CO3溶液中的阳极极化曲线，发现了适当浓度的鸡蛋水解物与阳极保护对碳钢的协同缓蚀作用

Even in the field of carbon steels, the indications are that the electric furnace is, in many countries where the disadvantage of higher operational costs can be overcome, actively competing with the open-hearth furnace.

在碳钢领域，其标志是碳钢在许多能够克服业务成本缺点的国家间公开平等竞争。

The reaction rating reduced in the uranyl nitrate being saturated during film deposit is CO〓, which readily reacts with uranyl ion in solution to form uranyl-carbonate complexes.

动电位极化测量表明，在一定电位扫描速率下，铀酰离子对碳钢电极的阳极反应有激活作用，促进碳钢的阳极溶解。

First, combined with the corrosion mechanism of carbon steel in chlorhydric acid, the relation between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are developed in terms of Hansch Relation.

最后，运用灰色理论，通过建立苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构关系的灰色缓蚀模型，研究了苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构的关系。

Then, inhibition mechanism and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles and quaternary ammonium salts are studied from microscope through quantum chemistry calculation, and according to the results, theory predicting and proof testing of a benzene nitrile (2-benzo butyl nitrile) are made.

利用Hansch关系的研究结果表明，苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀效率，可用苯腈类化合物氰基氮原子的净电荷密度和分子最高占据轨道能量或分子最低空轨道能量构成的表达式表达。量子化学计算研究结果表明：1、苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀机理可能是：苯腈类化合物分子以其氰基氮原子上的电子提供给铁的3d空轨道，形成配位键；同时铁的3d轨道上的电子提供给苯腈类化合物分子的能量最低空轨道，形成&反馈键&。

Sodium laurate is not effective for carbon steel corrosion in CO_2-saturated solution containing Cl-, but it is effective for galvanic corrosion of galvanic couple (stainless steel/carbon steel).

月桂酸盐对碳钢在饱和CO_2的含氯离子介质中的腐蚀抑制效果较差，但对碳钢/不锈钢偶对的电偶腐蚀抑制效果较好。

The effects of main test parameters on the process of pitting potential of carbon steels have been studied by quasi-steady-state polarization technique and metallographical analysis technique.

采用准稳态的极化试验研究了各主要试验参数对碳钢在3%NaCl溶液中点蚀电位的影响，结果表明：3种碳钢钝化的临界pH值约为8 0 ；当T =2 0℃～35℃时，点蚀电位值Eb10 0 随温度的降低而变正；当电位变化速度慢于30mV/ 30s时，Eb10 0 随电位变化速度的减小而变负；试验面的粗糙度越大，点蚀电位越

The scale inhibition mechanism of PESA was proposed on the basis of characterization of transformation of calcium carbonate crystal by means of X-ray Diffraction and scanning electron microscopy. The effect of temperature on corrosion inhibition efficiency of PESA was investigated and the Bockris substitution model is proposed to study the thermodynamics of inhibiting process of PESA. The calculation results show the adsorption of PESA on carbon steel is a spontaneous exothermic process with the increase of entropy.

通过X射线衍射和扫描电镜分析手段研究了聚环氧琥珀酸加入前后碳酸钙垢晶型的变化，在此基础上探讨了聚环氧琥珀酸的阻垢机理；考察了温度对聚环氧琥珀酸缓蚀性能的影响，根据Bockris置换模型，计算出中性水质中聚环氧琥珀酸在碳钢表面吸附的热力学函数，计算结果表明：聚环氧琥珀酸在碳钢表面的吸附是一个放热、熵增、自动发生的过程。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐