聚四氟乙烯

Abstracts:Defects of cooling coil lined outwardly with Teflon in the porcelain enamel reaction column are analyzed, and a new design scheme of coil coated outwardly with porcelain enamel is proposed.

摘 要：对搪瓷反应塔外衬聚四氟乙烯盘管缺陷进行分析，提出新的外搪瓷冷却管设计方案，实现了搪瓷反应塔的全搪瓷化，装置平稳运行，产品合格率达到100％，生产周期大幅缩短。

It is found that the current of oil flow electrification is maximum, minimal and intermediate in the case of pressboard paper, PTFE and metal iron respectively. Composition of new and aged oil is analyzed by DX-4 electron disperse analyzer.

通过固体材料表面特性对油流带电影响的研究，发现当固／液界面中的固体为绝缘纸板时，油流带电电流最大；当固体为聚四氟乙烯时，油流带电电流最小；当固体为金属铁板时，油流带电电流介于两者之间。

Practical application of vessels made of a fluorocarbon polymer film and rock wool system in in vitro Chrysanthemum morifolium shoots.

应用聚四氟乙烯树脂膜制成的培养容器进行菊花试管苗培养。

Curves describing weight increment of seal ring due to swelling with respect to time are obtained in experiments.

通过溶胀实验，绘制出丁腈橡胶及聚四氟乙烯密封圈因溶胀而产生的质量增长随时间的变化曲线。

These valves feature an eccentrically mounted disk and a PTFE or 316 stainless steel seal ring.

这些阀门具有一个偏心安装的磁盘和聚四氟乙烯或316不锈钢密封环。

The quad ring rod seal and teflon wiper design provides proper sealing and long life.

四杆密封环和聚四氟乙烯雨刮器的设计提供适当的密封，寿命长。

Polytetrafluoroethylene wide aperture sieve plate was prepared by machining PTFE turning plate, and the tensile properties of sieve plate and turning plate were analyzed.

采用聚四氟乙烯车削板为原料，机械加工生产大孔径PTFE筛板，对筛板与车削板进行了拉伸性能分析。

Experiments showed that addition of Teflon particles can promote heat transfer coefficient by 20%～40%.

实验表明，在浓度 31 %的黑液中加入聚四氟乙烯粒子可提高传热系数2 0 %～ 40 %。

The Tools You Need - For this project, you will need a wrench or pliers and some teflon tape.

你需要的工具--这一项目，你需要一个扳手或钳子和一些聚四氟乙烯胶带。

Where exposed to an ambient temperature more than 60°C teflon or silicon cables shall be employed.

当外界温度高于60°C时，应采用聚四氟乙烯或硅绝缘材料的电缆。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。