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- Gaseous helium is inert, colorless, odorless, non corrosive, and nonflammable. 气态氦极不活泼，无色，无嗅，无腐蚀性，不可燃。
- Since hydrogen is non corrosive, special materials of construction are not usually required. 由于氢无腐蚀性，通常不需要特殊的建材。
- Since gaseous nitrogen is non corrosive, special materials of construction are not required. 由于气态氮无腐蚀性，不需要特殊的建材。
- Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable. 气态氮是不活泼的，无色，无嗅，无味，无毒，无腐蚀性，不可燃。
- Liquid nitrogen is inert, colorless, odorless, non corrosive, nonflammable, and extremely cold. 液态氮是惰性的，无色，无嗅，无腐蚀性，不可燃，温度极低。
- Since helium is non corrosive, special materials of construction are not required. 由于氦没有腐蚀性，不要求特殊的建材来防止腐蚀。
- Gaseous argon is tasteless, colorless, odorless, non corrosive, and nonflammable. Argon belongs to the family of rare inert gases. 气态氩无味，无色，无嗅，无腐蚀性，不可燃。氩属于稀有惰性气体家族。
- Nitrogen makes up the major portion of the atmosphere (78.03% by volume, 75.5% by weight). Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable. 氮构成了大气的大部分（体积比78.;03，重量比75
- Gaseous argon is tasteless, colorless, odorless, non corrosive, and nonflammable. Argon belongs to the family of rare inert gases. It is the most plentiful of the rare gases making up approximately 1% of the earth’s atmosphere. 气态氩无味，无色，无嗅，无腐蚀性，不可燃。氩属于稀有惰性气体家族。它是最丰富的稀有气体，占地球空气的约1%25。
- Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable. Nitrogen is inert and will not support combustion; however, it is not life supporting. 气态氮是不活泼的，无色，无嗅，无味，无毒，无腐蚀性，不可燃。氮是不活泼的，不支持燃烧；但是它不是维持生命的必要元素。
- Gaseous argon is tasteless, colorless, odorless, non corrosive, and nonflammable. Argon belongs to the family of rare inert gases. It is the most plentiful of the rare gases making up approximately 1% of the earth's atmosphere. 气态氩无味，无色，无嗅，无腐蚀性，不可燃。氩属于稀有惰性气体家族。它是最丰富的稀有气体，占地球空气的约1%25。
- Gaseous helium is inert, colorless, odorless, non corrosive, and nonflammable. Helium is the lightest rare gas. Helium is a monatomic chemically inert gas. It will not react with other elements or compounds under ordinary conditions. 气态氦极不活泼，无色，无嗅，无腐蚀性，不可燃。氦是最轻的稀有气体。它是单原子惰性气体。一般情况下不同其它元素或化合物反应。
- Liquid nitrogen is inert, colorless, odorless, non corrosive, nonflammable, and extremely cold. Nitrogen makes up the major portion of the atmosphere (78.03% by volume, 75.5% by weight). 液态氮是惰性的，无色，无嗅，无腐蚀性，不可燃，温度极低。氮构成了大气的大部分（体积比78.;03%25，重量比75
- Since nitrogen is non corrosive, special materials of construction are not required to prevent corrosion. 由于氮无腐蚀性，不需要特殊的建材。但是，选择的建材必须能抗液氮的低温。
- The dispensing of dealcoholized RTV 1 silicone rubber of deep layer vulcanization,extinction,antibiosis and milewproof and non corrosiveness to copper,were introduced. 介绍了深层硫化型、消光型、抗菌防霉型、对铜无腐蚀型脱醇型单组分室温硫化(RTV-1)硅橡胶的配制。
- is inert, colorless, odorless, non corrosive, and nonflammable. 气态氦极不活泼，无色，无嗅，无腐蚀性，不可燃。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
