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O2-

网络二莫耳氧分子；二氧化碳；二价氧离子

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网络释义

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二莫耳氧分子

8.已知一莫耳氮分子(N2)与二莫耳氧分子(O2)化合可生成二莫耳甲分子，若以○表示氮原子，以●表示氧原子，则下列何者可用 …

二氧化碳

　　空气中的二氧化碳（O2）和氧气（O2）与花卉的关系密切。O2是呼吸作用所必须的，O2是光合作用的主要原料。

二价氧离子

...前，正极板上二氧化铅电离为四价铅离子（pb4＋）和二价氧离子（O2-），铅离子附着在正极板上，氧离子进入电解液中， …

二氧化硫与氧

...理是硫（S）在空气中燃烧生成二氧化硫（SO2），二氧化硫与氧（O2），三氧化硫与水（H2O）反应生成硫酸（H2SO4）。

二个氧原子

氧的化学构成是二个氧原子（O2）物理状态是气体；铁的化学构成是一个铁原子（Fe）物理状态是固体。

例句：

On the train back up to Manchester later in the day , Ferdinand tweeted his excitement at spending the day at The O2.

当天晚些时候，在回曼彻斯特的火车上，费迪南德就他在 O2 度过的激动的一天发了推特。

Ferrigno, the bodybuilder who played the Hulk , was training Jackson ahead of his 50 concert dates at the O2 Arena in London .

绿巨人的扮演者，健美先生福瑞格诺，一直训练迈克·杰克逊，帮其在在伦敦 O2 体育场举行五十场演唱健身。

Recently , Palmer received the O2 X Entrepreneur of the Year award for 2007 in a ceremony in London .

最近，在伦敦举行的 “O2X2007 年度最佳企业人 ”颁奖礼上，帕默获此殊荣。

Mr. Jackson had been scheduled to perform 50 concerts at the O2 arena in London beginning next month and continuing into 2010 .

迈克 .杰克逊原本计划从 7月开始在伦敦 O2 大舞台举办 50 场演唱会，一直持续到 2010 年。

Chillness intensified the senescent of leaves , enhanced the MDA content and the O2-. produce rate , this was more evident in Shanyou63.

低温处理加剧了叶片的衰老，使得 MDA 含量和 O2-产生速率上升，两优培九的升幅较汕优 63 小。

Ferdinand was not the only footballer in attendance at The O2 on Wednesday .

费迪南德并不是周三出现在 O2 球场的唯一一名足球运动员。

Explore the history of British popular music at this interactive museum at The O2 in London .

在伦敦 O2 互动馆中探索英伦流行音乐进程。

In May , concert promoter AEG Live announced that Mr. Jackson would perform a series of shows at its O2 arena in London .

5月份，演唱会宣传公司 AEGLive 宣布，杰克逊将在伦敦的 O2arena 举行系列演唱会。

Decades ago , physiologists discovered that during metabolism, oxygen (O2) can split into single oxygen atoms, known as free radicals .

数十年前，生理学家们发现新陈代谢过程中，氧分子（O2 ）会裂解成游离的单个氧原子。

Unlike other incumbents , BT has no mobile arm, having spun off O2 to reduce its debts .

与其他现任者不同，英国电信没有移动分支，出售其 O2 来减轻债务。

Since tickets became available for the O2 show , they have sold at a rate of three a minute .

自从 O2 的展览开始售票以来，每 3 分钟就可以卖出一张门票。

My first attempt on pure O2, I was able to go up to 15 minutes .

第一次尝试纯氧时，我已经可以屏气 15 分钟。

So, basically you breath pure O2 first, oxygenating your body, flushing out CO2, and you are able to hold much longer .

也就是先吸入入纯氧，充沛氧气，排出二氧化碳。然后你就可以屏气更长时间。

However, O2's 3G network, which has had problems over the last few months, is unlikely to improve once the Pre arrives.

而且 O2 的 3G 网络在过去几个月出了不少问题，直到在 Pre 登陆都没有改善。

In Britain , O2 will stock the device although its exclusive contract with Apple is believed to be ending .

在英国的销售会通过 O2 进行，虽然该公司和苹果的独家代理协议将会结束。

As plants spread over the planet , they absorbed CO2 from the atmosphere and released oxygen (PDF).

随着植物遍布整个地球，它们从大气中吸收 CO2 并释放 O2 。

It wasn't until about a billion years ago that the atmosphere got another hit of O2, bringing us to the air we breathe today.

直到 10亿年前，空气中再次注入氧气，这就是我们今天呼吸的氧气。

Biomass gasification under O2-rich gas was carried out in a fluidized bed reactor.

在常压流化床装置上进行了生物质在富氧条件下定向气化的实验研究。

As part of the deal , Twitter will be heavily promoted on O2's Active portal and will likely be expanded to Telefonica's other operations.

作为此项交易的一部分，Twitter 将极大程度促进 O2 的移动互联网接入服务 Active 的发展，并且极有可能推广至 Telefonica 旗下的其他运营商。

The air is also pretty low on oxygen , since we were constantly at 3200-3700m above sea level, we always had a can of O2 just in case .

空气的含氧量也相当低，因为我们经常呆在海拔 3200-3700m 的地方，我们总是带着氧气罐以防万一。

O2 Sun bookstore has recently closed its outlets in Beijing and Xiamen , illustrating the predicament faced by physical bookstores .

光合作用日前关闭了北京和厦门直营店，凸显实体书店的生存困境。

It was used in the design of London's O2 arena, Sydney's Olympic stadium , the "bird's nest " arena in Beijing and the Airbus A380.

该系统在 33 个国家里使用，像伦敦的 O2 体育场，悉尼的奥林匹克体育馆，北京的 “鸟巢 ”和空中巴士 A380 号客机。

After several false dawns, Jackson and music promoter AEG Live announced he would perform 50 concerts at London 's O2 Arena .

几经周折，杰克逊终于与音乐推广公司 AEGLive 宣布，他将从 7月13日开始，在伦敦 O2Arena 举办 50 场演唱会。

O2-

O2-

二莫耳氧分子

二氧化碳

二价氧离子

二氧化硫与氧

二个氧原子

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