腐蚀作用

The corrosion acton of carboxyl and phenol hydroxy of lignite and peat on low-alloy steel was studied.

研究了褐煤和泥炭中羧基和酚羟基对低合金钢27SiMn的腐蚀作用。

It is also known that some of the ingredients found in the leaf such as aloin, are recognized as having laxative properties, and are known to be destructive to human skin in regards to the development of keratinocytes.

芦荟叶中所含的一种名叫"芦荟素"的成份具有轻泻剂的某些特性，能阻碍角化细胞的形成，因此对人体肌肤有腐蚀作用。

It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which cannot corrode carbon steel, stainless steel and solders like tin and lead.

仪表适用于测量氨的液体和气体的压力真空，也可测量对碳钢、奥氏体不锈钢和锡铅类焊料无腐蚀作用的介质的压力和真空。

It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which can't corrode carbon steel, stainless steel and solders like tin and lead.

仪表适用于测量氨的液体和气体的压力真空，也可测量对碳钢、氏体不锈钢和锡铅类焊料无腐蚀作用的介质的压力和真空。

If you're a homeowner, you already knew it was only a matter of time for yours, but you've resisted admitting it, even as erosion callously attacked, starting with your savings.

如果你是一个房屋的所有者，你就算已经知道对它的所有权不过只是时间长短而已，就算腐蚀作用已经无情地袭击了它，可你就是不愿意承认这点，而是动用积蓄修复它。

This non-toxic, does not have the fetid odor, does not have the crystallization, to the human body skin non-corrosive action.

本品无毒，无臭味，无结晶，对人体皮肤无腐蚀作用。

But the more the hetaerism of the past is changed in our time by capitalist commodity production and brought into conformity with it, the more, that is to say, it is transformed into undisguised prostitution, the more demoralizing are its effects.

但是，自古就有的杂婚制现在在资本主义商品生产的影响下变化越大，越适应于资本主义商品生产，越变为露骨的卖淫，它在道德上的腐蚀作用也就越大。

Working conditions of drilling string is complex underground, various factors ofteninteract, in the process of drilling, drilling string acts complex movement in drill fluid, drillfluid unavoidable corrupt drilling string because such as oxygen, hydrogen sulfide and manysalts are dissolved in it. At the same time, many cyclic stresses act on drilling pipe, such asflexural cyclic stress, torsional cyclic stress.

钻柱在井下的工作状态是复杂的，常常是多种因素交织在一起的，在钻井过程中，钻柱在溶解了氧、硫化氢及各种盐类的钻井液中作复杂运动，不可避免的受到它们的腐蚀作用，同时还要受到弯曲、扭转等交变应力作用。

A method for the determination of phenol and catechol in tobacco leaf by high performance liquid chromatography with methanol and 0.05 mol/L of monopotassium phosphate as mobile phase at a flow rate of 0.5 mL/min was described. Phenol and catechol were extracted from tobacco sample by distillation and solid phase extraction with Sep Park C 18 cartridge.

引 言挥发酚是烟草中一类重要的成分，它在烟草燃烧时直接进入烟气，大多有不好的气味，而且很难被掩盖；特别是苯酚和儿茶酚对呼吸系统有腐蚀作用和助癌作用，近年来逐渐引起了烟草化学工作者的注意〔1〕。

By means of UV and fluorescent light exposure accelerated corrosion test,the influence factors of corrosion inhibition on anti- tarnishment of silver antiques were studied with L16(45)orthogonal table in this paper.

1前言硫化作用是银在自然环境中变色的重要原因，而光照又引起了加速腐蚀作用。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。