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1·Raw materials, compound, casting, maintenance and acidification in the construction of high density acid proof concrete are described.

详细介绍了密实性耐酸混凝土的原材料、配制过程、浇注、养护及酸化处理等。

2·Results show that BTA has great effect on properties of protective coatings, such as properties of acid proof, alkali-proof, waterproof and resistance to salt fog.

采用浸泡试验，盐雾试验，原子吸收分光光度法等试验方法，研究BTA用量对封护剂耐蚀性能的影响。

3·The adsorption of cationic pink FG and methylene blue onto purified palygorskite is an endothermic processes, and direct acid proof scarlet 4bs is exothermic in nature.

凹凸棒石对水溶液中的阳离子桃红fg和亚甲基蓝的吸附是一个吸热过程，而对直接耐酸大红4bs的吸附是放热过程。

4·The utility model aims to provide a pipeline anticorrosion heat-shrinkable sleeve which is waterproof, acid proof, alkaline proof, anticorrosion, has simple structure and low manufacturing cost.

本实用新型目的是提供一种具有防水、防酸、防碱、防腐、结构简单、制造成本低的管道防腐热收缩套。

5·Equipped with filtering acid mist flame-proof device, more safe and reliable.

装备了过滤酸雾隔爆装置，更安全可靠。

6·Special control system. The internal structure applies acid-proof and alkali-proof design, so as to prolong the product life.

特殊化控制系统设计，内部结构采用防酸、碱设计，延长使用寿命。

7·To provide proof of grafting, modified hydrolysate was identified by indanthrone, the IR and amino acid composition analysis of hydrolysate and modified hydrolysate were studied.

对改性产品以茚三酮法进行分析，对铬鞣革屑水解产物及其改性产品进行IR分析和氨基酸分析。

8·METHODS Used diluted hydrochloric acid as dissolvent, to ensure the disturbance degree of accessories and proof the feasibility of testing method.

方法试验采用稀盐酸做为溶出介质，依法确证辅料的干扰程度及含量测定方法的可行性。

9·Material: Nylon 66 certificated by ul, fire-proof standard: 94v-2. Acid and erosion proof, Insulation well, Anti-aging, Hight tensile strength.

材质：采用UL认证之尼龙66料制成，防火等级94v - 2，耐酸、耐蚀、绝缘性好，耐久性、不易老化、承受能力强。

10·It has no poison and taste, it's with oil, acid, corrosion, wearing and aging resistance waterproof flame-proof and good flexible functions.

具有无毒无味、耐油、耐酸、耐腐蚀、耐磨、耐老化、防水、阻燃、挠性良好等优点。