耐酸的

The purpose and use of the label itself is to select ink unneglected factors, such as coplasticizer lavation products on the label, require ink with good acidproof of alkalescence, fat; labels in the open air, heat and the rain suffer the test of time in the choice of ink should pay attention to in the fast light, waterproof, heat-resistant, resistant to acid-base in the areas of performance.

标签的用途及使用环境也是选择油墨不可忽视的因素，如日化洗涤品上所用的标签，要求油墨具有良好的耐酸碱性、耐油脂性等；在户外使用的标签，要经受风吹日晒雨淋的考验，在选择油墨时必须注重在耐光、耐水、耐高温、耐酸碱等方面的性能。

Through in the practice feeling about divulgement, vibration and synthesis operational performance of the pump and life of the key components and the pedestal and intact operating horary inside contact in whole set, try to look for one kind of reasonable and economical corrosion resisting stainless steel material of the pedestal and pump body,in the hope prolonging ZA200-315A and HC200-250A type stainless steels acid resisting pump whole set operation life.

通过实践摸索泵的泄漏、振动及泵综合使用性能和关键部件的寿命、底座寿命与整机完好运行时间的内在联系，试图寻找一种合理经济的耐腐蚀不锈钢底座及泵身材质，以期延长ZA200—315A型及HC200—250A型不锈钢耐酸泵的整机运行寿命。

To resolve these problems, this paper deals with the technology of foamed acidizing. The anti-salt and anti-acid foamer DY-1+SJ-8 and foam stabilizer KMS-2 were selected, then their performance under different foamer concentration condition was evaluated and the proper concentration was determined. Thereafter the diversion experiment of foamed acid through the parallel core was conducted.

针对上述问题，对泡沫酸酸化技术进行了研究：通过室内实验筛选出了耐酸耐盐的起泡剂DY-1+SJ-8和稳泡剂KMS-2，并对不同起泡剂浓度下的泡沫酸性能进行了评价，确定了其使用浓度；在此基础上进行了泡沫的岩心分流实验，实验结果表明泡沫泡体可以增加低渗透岩心的分流量，减少高渗岩心的分流量，使泡沫流体在不同渗透率岩心内均匀推进。

The results show that the Ni-Fe coatings are acid-resistant to HNO3 and H2SO4.For Ni-Fe alloys without exfoliation,the EIS is composed by a capacitive arc at high frequency and an inductive arc at low frequency, and the radius of capacitive arc decreases rapidly and the inductive component weakens and disappears with time.

结果表明：Ni-Fe合金镀层具有良好的耐酸腐蚀性；在3.5wt%NaCl溶液中，腐蚀发生之前的镍铁合金镀层的电化学阻抗谱由一个高频容抗弧和一个低频的感抗弧组成；随着浸泡时间的延长，容抗弧半径快速减小，感抗弧减弱并消失。

The results showed the morphology of AMMN was mostly spherical and well-distributed, the mean diameter of the nanoparticles was 15 nm and the diameter ranged from 10~20 am and its Zeta potential was about +29.3 mV. These nanoparticles had tremendous durability in acid solution at pH 2.0 while the untreated particles are corroded in acid solution.

结果显示，精氨酸修饰的磁性纳米颗粒均匀，分散性好，大多呈圆球型，平均粒径为15 nm，粒径范围10~20 nm，其Zeta电位为＋29.3 mV；多层修饰的纳米磁粒在pH 2.0的酸中具有很好的耐酸性能，而未处理的纳米粒子在酸溶液中发生了溶解。

Aramid fiber-wide known as "poly p-phenylene terephthalamide of p-phenylenediamine", the English called Aramid fiber is a new type of high-tech synthetic fiber, with ultra-high strength, high modulus and high temperature, acid-alkali resistance, light weight excellent performance, the strength of steel wire 5-6 times the modulus for the steel wire or glass fiber 2-3 times, toughness is the wire 2 times the weight of the public for the steel wire 1 / 5 of about 560 degrees in the high temperature does not decompose, does not melt.

芳纶纤维全称为"聚对苯二甲酰对苯二胺"，英文名为Aramid fiber 是一种新型高科技合成纤维，具有超高强度、高模量和耐高温、耐酸耐碱、重量轻等优良性能，其强度钢丝的5-6倍，模量为钢丝或玻璃纤维的2-3倍，韧性是钢丝的2倍，而重量公为钢丝的1/5左右，在560度的高温下，不分解，不融化。

The results showed that:① the products will have good texture and mouth feel and without delamination when apple juice and stabilizer are added into fermented yoghurt.②Adding 0.10% PGA, 0.25% acid-proof CMC and up to 35% apple juice into yoghurt can obtain stable juice yoghurt which has harmonious flavor of both yogh...

结果表明：①在发酵后将果汁和稳定剂加入到搅拌后的酸奶中，所得产品质地均匀，口感细腻，无分层，无乳清析出；②酸奶中添加0.10％的 PGA，0.25％的耐酸CMC和高达35％的苹果汁，可获得酸奶香味与苹果香味协调又能稳定贮存的活性苹果汁酸奶，该果汁酸奶可稳定贮存18天。

The results show that the optimal parameters of esterification are as follows: 4% of SO42-/ZrO2, molar ratio of methanol to litsea cubeba kernel oil 101, 68 ℃ of reaction temperature and 4 h of reaction time, the acid value decreases to 2.52 mg/g. Compared with the traditional acidic-catalyzed method, this method has the advantages of no acid proof equipment, easy to recycle catalyst and no acidic waste water emission. The optimal parameters of transesterification are as follows: 25 ℃ of reaction temperature, 0.5% of hexadecyl-trimethyl-ammonium bromide, 1% of NaOH, molar ratio of methanol to the oil 61 and 15 min of reaction time. The ester exchanging rate is 97.6%. This method adopts phase transfer catalyst and produces industry prospect, which has many advantages such as energy-saving and time-saving under room temperature.

研究结果表明，固体酸SO42-/ZrO2催化酯化反应的最佳条件为：油重4%的SO42-/ZrO2，醇油摩尔比为101，温度为68 ℃，反应时间为4 h，原油酸值降到2.52 mg/g；该法相对浓硫酸催化酯化法具有不需耐酸设备、催化剂易回收、无废水排放等优点；相转移催化酯交换反应的最佳条件为：温度为 25 ℃，0.5%的十六烷基三甲基溴化铵，油重1%的NaOH，醇油摩尔比为61，反应15 min，原油酯交换率达到97.6%；采用相转移催化技术，反应在常温下进行，大大减少了能耗，缩短了反应时间，具有的产业化前景。

This article summarizes the successful experiences in technology innovation of refinery equipment and reports improvement of construction method in innovation and its effect. The innovationincludes improvement of thermal insulation structure for coke tower, application of fiber sprayingtechnology for lining of pipe heater, improvement of construction in lining of afterheater for heavyduty oil catalysis, adding of acid resistance porcelain plate lining to neutralizing reactor, innovation on central drainage ...

本文归纳炼油设备技术改造的成功经验，报道炼油厂在技术改造中施工方法的改进情况和效果，其中包括：焦碳塔保温结构的改进、纤维喷涂技术在管式加热炉衬里施工中的应用、重油催化余热锅炉衬里施工方法的改进、中和反应器增加耐酸瓷板衬里、浮顶油罐中央排水管改造、锅炉省煤器入口联箱封闭和锅炉水封罐安装放空管以消除运行隐患的改造措施等。

In high ─ speed steel, molybdenum can replace parts of tungsten.

钼铁是钼与铁的合金，它的主要用途是在炼钢中作为钼元素的加入剂，钢中加入钼可使钢具有均匀的细晶组织，并提高钢的淬透性，有利于消除回火脆性，在高速钢中，钼可代替一部分钨，钼同其他合金元素配合在一起广泛地应用于生产不锈钢、耐热钢、耐酸钢和工具钢，以及具有特殊物理性能的合金，钼加于铸铁里可增大其强度和耐磨性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。