防腐

The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.

本发明涉及一种管道用聚脲外防腐涂料及制造方法，由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成，使用时将A液和B液分别加热至65℃后混合，然后快速喷涂固化形成涂层。

The company has been trading with the Canadian Pan-International Ltd, has become the exclusive authorized dealer, agent Products - Western Red Cedar / spruce pine fir / Tsuga - is a noble community, residential indispensable decorative natural wood preservative.

目前公司已与加拿大泛家贸易国际有限公司合作，成为了独家授权经销商，代理产品-西部红雪松（westernred cedar/云杉松木冷杉/铁杉-是高尚社区、住宅不可或缺的装饰用天然防腐木材。

The reasons for high earth resistance is also discussed. And some successful experience of step-down resistance is summed up in some typic hydroelectric power generation.

高效膨润土降阻防腐剂的研制，成功地解决了许多发电厂、变电站、输电线路杆塔和微波通讯站的降阻和防腐问题。

Paper,wood,metal,undispersed fillers,etc.

过滤网应该由不锈钢丝造成，以达到理想的强度和防腐性。

Methods. We dissected 10 unembalmed cadavers using the method described by Gumbs et al, using the Synframe system to expose the abdominal artery and vein.

我们采用Gumbs描述的方法解剖了10具未经防腐处理的成人尸体，使用Synframe系统显露腹部的动脉和静脉。

In recent years, some non-metallic anti-corrosion materials, such as plastic, fiberglass, glass, ceramic, unpenetrable graphite and so on, are widely used in chemical production and have obtained remarkable effects.

近年来，一些非金属防腐材料，如塑料，玻璃钢，玻璃，陶瓷和不透性石墨等，在化学生产中得到的广泛的应用，取得了显着的效果。

The coat contains nontoxic and elastic paint which is of low water resistance and which schleps rust and guard against rust and which is of the virtue of keeping clean and unpoisonous, also it can depress the growth of the lichen and worm effectively.

为有用办理大口径涂塑钢管生产难的标题，制作工艺专家组首先从涂层质料上动手，研制并应用了弹性体带锈防锈涂料，再引入防腐及卫素性能较好的防护涂料。

Because of having surplus weld reinforcement height and irregular seam form as well as the influences of polyethylene raw materials and coating process, the quality problems of ununiformity in thickness of 3PE coating and coating thickness reduction on helical seam occur.

由于螺旋埋弧焊管存在焊缝余高超高和焊缝形貌不规整等现象，加之聚乙烯原材料及涂敷工艺等因素的影响，会使三层PE防腐涂层出现涂层厚度不均、焊缝处涂层减薄等质量问题。

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noise and easy movement, one machine with multi-usage.

材料采用防腐机芯和不锈钢机芯两种型号；立式电机，泵体直接潜入水下，不需加引水，一机多用。

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noise and easy movement, one machine with multi-usage.

材料采用防腐机芯和不袗机芯两种型号；立式电机，泵体直接潜入水下，不需加引水，一机多用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。