可腐蚀性的

First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.

首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；其次，HF与铝硅酸盐的化学反应不是简单的一次反应，其副产物氟硅酸和氟铝化物还可与铝硅酸盐发生二次反应和三次反应，形成一系列不溶性的沉淀物，对储层造成严重伤害；第三，高温情况下酸液对井下管柱及工具腐蚀性很强，对缓蚀剂性能要求高。

It is capable of reliable transmission of feeble analogue and digital signal in harsh working environment and has excellent interference immunity to magnetic field and static and stable electric properties, barely affected by either high or low temperature , chemical solvents or corrosive gases , thereby providing accurate transmission of signal data and guarantee of safe operation of the control system .

工作环境比较恶劣的情况下，不但能可靠的传送微弱的模拟信号和数字信号，而且抗干扰性能高，电气性能稳定，不受高低温及各种化学溶剂和腐蚀性气体影响，可确保传输信号参数的准确性和控制系统的安全运行。

Special paints resistant to phosphate esters are available, but the fluid itself is noncorrosive and provides the necessary protective coating.

耐磷酯的特殊涂料是可用的，但液压油本身无腐蚀性，并可提供必要的保护层。

To handle clean water or noncorrosive medium similar to water in physical and chemical properties, volume of solid insoluble not exceeding 0.1% of the unit volume.

可输送清水或物理化学性质类似于清水的无腐蚀性介质，其固体不溶物体积不超过单位体积的0.1%，如介质带有细小颗粒的请在订货时予以说明

The properties of product: May replace copper, the Pakistan alloy and so on the nobie metal, has the fine self lubrication, the high anti-impact intensity and the bending strength, saves the spouse, the comprehensive cost low status merit, the rub proofness is copper2-3time, is hard4-6time.

产品性能：可代替铜、巴氏合金等贵重金属，具有优良的自润滑性，高耐磨性、耐腐蚀性、高抗冲击强度和弯曲强度，节省配偶件，综合成本低等优点，耐磨程度是铜的2-3倍，是铁的4-6倍。

NEMO? Pumps are positive displacement pumps and suitable for all media of waterlike up to most thick consistency with solid or fibrous material or pasty consistency with extreme concentrations of solid, high viscous media and also gas containing,In paper making industry,NEMO?

奈莫泵是一种容积式泵，有一定自吸能力，可用于输送单一的或多种介质的流体，包括腐蚀性、磨蚀性、高粘度、含气体或固体颗粒的液体。

For the second steam, we usually use the steam valve seal as follows: Structural characteristics Metal seal, increased temperature Mud Valves and lifetime use of the product Material selection reasonable guidance suite valve cup and clever use of fluid lubrication to reduce wear and tear Other purposes - steam valve seal This product is broader general Gauge Valves media can be used separately in water, light oil, heavy oil, gas and steam and other non-corrosive fluid.

对于第二种蒸汽，我们通常会选用硬密封的蒸汽电磁阀如下：结构特点采用金属硬密封，提高了产品的使用温度及使用寿命选材合理，阀杯和导向套间巧妙地利用眼镜阀流体的润滑作用，以减少磨损其他用途-硬密封蒸汽电磁阀本产品通用介质范围较广，可分别使用于水、轻油、重油、非腐蚀性气体及蒸汽等流体。

The alloy boasts good shaping property, high corrosion resistance, weldability and fatigue strength, medium static strength, is used to make airplane oil tank, oil pipe, oil pipe, metal sheet and instrument for vehicle and vessel, street lamp post and riveted wire.

典型用途：此合金有良好的成型加工性能，抗腐蚀性，可焊性，疲劳强度与中等的静态强度，用于制造飞机油箱、管，以及交通车辆、舶的钣金件、表、灯支架等。

The alloy boasts good shaping property, high corrosion resistance, weldability and fatigue strength,medium static strength, is used to make airplane oil tank, oil pipe, oil pipe, metal sheet and instrument for vehicle and vessel,street lamp post and rive

典型用途：此合金有良好的成型加工性能，抗腐蚀性，可焊性，疲劳强度与中等的静态强度，用于制造飞机油箱、油管，以及交通车辆、船舶的钣金件、仪表、街灯支架等。

Alcohols, ketones, esters, alcohols, ethers common media are methanol, ethanol, ethylene glycol, propanol, etc., ketones medium with acetone, methyl ethyl ketone, etc., there are a variety of methyl esters of medium, ethyl ester, ether medium with ether, ethyl ether, butyl ether, etc., they basically did not corrosive materials can be used for the specific use of the property should also be under the media and related requirements to make reasonable choices.

醇类、酮类、酯类、醚类常见的醇类介质有甲醇、乙醇、乙二醇、丙醇等，酮类介质有丙酮、丁酮等，酯类介质有各种甲酯、乙酯等，醚类介质有甲醚、乙醚、丁醚等，它们基本没有腐蚀性，常用材料均可适用，具体选用时还应根据介质的属性和相关要求做出合理选择。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。