化学侵蚀

RPC混凝土水胶比为0.21时，抗氯离子渗透能力要比高强度（HSC）混凝土水胶比为0.25时的大得多，RPC混凝土的抗化学侵蚀能力要比HSC混凝土大。

Under the condition of water-binder ratio 0.21 the chloride ion-penetration resistance of RPC is much greater than that of high strength concrete ( HSC ) with water-binder ratio of 0.25 and the chemical corrosion resistance of RPC is greater than that of HSC .

黄土对地下贮库的湿陷敏感性及化学侵蚀影响

Effect of Losess on Collapsible Sensitivity and Chemical Corrosion Underground Reinforced Concrete Storeroom

流域的化学侵蚀率和机械剥蚀率分别为0.022和0.071（kg·m－2·a－1），碳酸盐岩区的物质流出量是硅酸盐岩区的2倍。

The rate of chemical weathering is 0.022 kg · m-2 · a-1 , and the rate of mechanical erosion is 0.071kg · m-2 · a-1 in the watershed . The mass output ratio of carbonate area to silicate area is about 2 .

结果表明，F型道路快速修补材料具有较好的流动度，与基体粘结能力强、强度高，脆度系数低，抗渗、抗冻性佳，抗化学侵蚀能力强等优点。

The results show that F type rapid road patching material has the merits such as better fluidity , strong bonding power with the matrix , high strength , low coefficient of fragility , fine impermeability , good frost resistance and strong resistance to chemical attack .

由于机械性拉薄和热、机械和化学侵蚀作用，岩石圈厚度最终减薄到70km以下。

The lithospheric thickness was ultimately thinned to less than 70 km by mechanical spread as well as thermal-mechanical and chemical erosion .

YG8硬质合金经稀硝酸水溶液化学侵蚀后，表面一定深度内的粘结相钴将被化学刻蚀掉，引起表层疏松。

Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid .

论文还阐述了FKJ胶结料有良好的耐久性，即有良好的抗碳化性，抗冻性，耐化学侵蚀性等，故它有广阔的应用前景。

In addition the paper points out that FKJ binder has good durability and fine resistance to carbonation , frost and chemical attack , etc , therefore has bright prospects in application .

铝锆炭滑板在浇铸钙处理钢时的化学侵蚀

Chemical erosion of Al_2O_3-ZrO_2-C slide nozzle plate in casting calcium-treated steel

冶金车间钢混结构的化学侵蚀性破坏

Chemical Attack Damage of Reinforced Concrete Structure in Metallurgical Workshop

除冰盐对混凝土化学侵蚀机理研究

Mechanism of chemical attack of the deicer on concrete

粘性土土洞形成的水化学侵蚀实验

Hydrochemical erosion test of formation of clayey soil hole

含氟高炉渣、氟化钙对于炭砖的化学侵蚀及润湿作用

Chemical Corrsion and Wetting Action of Molten Calcium Fluoride and Fluoride-Containing Slags on Carbon Refractories

应用交流阻抗谱方法，研究了硫酸盐对混凝土的化学侵蚀。

The chemical attack of sulfate on the concrete was studied by AC impedance technique .

化学侵蚀下硬脆性灰岩变形和强度特性的试验研究

Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone

耐火材料损坏除了化学侵蚀以外，还有热机械应力。

Thermal and mechanical stress besides chemical corrosion is the main wear mechanism of refractories .

钙处理钢用滑板的化学侵蚀机理及研究现状

Chemical erosion mechanism of slide board in casting of Ca-treated steel and research situation about it

珠江流域的化学侵蚀

Chemical weathering in Zhujiang River Drainage

必须把室壁保护起来以防止来自燃气的高度腐蚀性成分的化学侵蚀。

The wall must be protected against chemical attack from highly corrosive components of the combusting gases .

本文用化学侵蚀法显示了硅晶体印压产生的位错。

The chemical etching method is used to reveal dislocations produced by indentation on silicon single crystal specimens .

中性钠盐碱矿渣水泥抗化学侵蚀性能研究

Study on the Resistance to Chemical Attack of Neutral Sodium salt Alkali Activated Slag ( NSAAS ) Cement

混凝土坝经常或定期性养护及冻害、碳化、氯离子侵蚀与化学侵蚀的防护；

Periodical and regular cares are introduced , protection from freeze-thaw , carbonation and chemical corrosion are also discussed .

粗煤气系统内衬要承受高温煤气流的冲刷和化学侵蚀。

The lining of the rude gas system shall withstand the erosion and corrosion by the high-temperature gas flow .

耐火材料的损毁主要原因包括化学侵蚀、机械磨损和热应力。

The main reason of damage to refractory materials , including chemical erosion , mechanical abrasion and thermal stress .

通过实验肯定了硅单晶的化学侵蚀定向方法，找出抛光液的最佳配比及抛光时间。

Experiments are performed to confirm the chemical etching method for defining the crystallographic orientation of silicon single crystals .

研究了中性钠盐碱矿渣水泥在酸性溶液、硫酸盐溶液和海水中的抗化学侵蚀性能。

The resistance to chemical attack of NSAAS cement in acid solution , sulfate solution , sea water was studied .

产品具有优良的高温物理性能和抗化学侵蚀性能，广泛用于中小高炉炉衬的各个部位。

These products could be used for every part of small-middle hot blast stove dur to their excellent physical and chemical properties .

通过测试新型磷酸盐玻璃在酸性介质中质量损失随时间的变化情况，讨论并比较了玻璃在酸性介质中的化学侵蚀机理。

The mass loss of the phosphate glass in acid media was measured and the corrosion mechanism in acid media is discussed .

掺不同种类掺和料的水泥浆体其孔径的细化是其抗海水化学侵蚀能力提高的根本原因。

The reason why admixture can increase chemical resistance of cement-based material to seawater is that it can reduce pore size of cement-based material .

但在化学侵蚀和荷载耦合作用下纤维复合材料的加固效果还鲜有报道，相关研究亟待开展。

But report about reinforcement with FRP under the coupling between chemical and load is very few , research needs to be carried out .

本工作还证实了聚氯代对二甲苯具有极强的耐化学侵蚀作用，这些成果对于发展新型延缓文物风化文物的保护材料具有重要的现实意义，同时也拓宽了文物保护材料的研究领域。

These achievements have important practical significance for developing new materials to protect cultural relics . The study broadens the field of materials for protection .