All are inoffensive as opposed to products of methane, carbon dioxide formed under strictly anaerobic conditions . 这些都没有毒性，这与严格地在厌氧条件下形成的甲烷、二氧化碳的情况相反。
if continues to increase at an accelerating rate, it is certain that ecological effects must occur at some time. 如果二氧化碳继续加快速度增加，肯定在某些时候，生态学效应一定会发生。
Moreover , water-vapor and carbon dioxide in the lower air absorb most of the infra-red radiation sent to us from the planets . 而且，较低空气层的水蒸气和二氧化碳能够吸收行星传播到我们这里的大部分红外线。
complete destruction of cyanide to would increment the treatment costs above those presented above for simple oxidation to cyanate. 氰化物完全破坏成二氧化碳会使处理费用高过上述简易氧化成氰酸盐的费用。
It is hardly necessary to emphasize its importance in the areas where natural gas is available; the important product is not carbon dioxide or water but heat . 在使用天然气的地方，这一反应的重要性是无需强调的；它的重要产物不是二氧化碳或水，而是热。
In terms of petroleum exploration, diagenesis is an immature stage when mostly carbon dioxide, water, and some methane and heavy hetero-compounds are generated . 在石油勘探术语中，成岩作用是一个未成熟阶段，这时多半生成二氧化碳，水，一些甲烷和重质杂化合物。
Mars ' s carbon dioxide atmosphere is extremely thin 火星的二氧化碳气层非常的薄。
In what form is the co2 injected underground 二氧化碳注入地下是以何种方式存在？
Health standard for dioxide in the air of workplace 车间空气中二氧化碳卫生标准
Meauring mathod of major parameter for co2 lasers 二氧化碳激光器主要参数测试方法
