氫侵蝕 的英文怎麼說
中文拼音 [qīngqīnshí]
氫侵蝕
英文
hydrogen attack-
Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.
表明筆石詳細構造的物質是利用氫氟酸從石灰巖中侵蝕出來。A further reaction produces an additional hydroxyl ion to maintain the attack on the network.
再進一步反應又形成一個外加的氫氧離子,它又繼續侵蝕網路。Because it well reserves the chemical stability of inorganic glass, it has the following features : low density, low thermal conductivity, vapor impermeability, no water absorption, incombustibility, protection from mould and rat eating, high mechanical strength but easy to cut and able to bear all kinds of chemical erosions except the hydrofluoric acid
由於它完全保留了無機玻璃的化學穩定性,具有容重低導熱系數小不透濕不吸水不燃燒不霉變不受鼠嚙機械強度高卻又易加工,能耐除氟化氫以外所有的化學侵蝕。Hf + hno3 water solution can be used for corroding of metallographic sample of martensitic stainless steel, corroding efficacious is the same as its of 4 % nitric acid alcohol solution, corroding speed is quick and corroding test surface is clear, similar discoloration made on test surface can be avoided when fecl + hcl water solution is applied
摘要介紹了用氫氟酸、硝酸水溶液侵蝕劑侵蝕馬氏體不銹鋼,侵蝕速度快且侵蝕試面清澈,避免了氯化高鐵、鹽酸水溶液對侵蝕面造成的污跡缺陷。分享友人