以前二氧化碳的含量水平变化是因为自然因素，像持续数千年缓慢进行的岩石风化。
Previous changes in carbon dioxide levels were due to natural factors, such as rock weathering, and occurred very sluggishly, over many millenia.
既然世界没能力快速遏制二氧化碳的排放，就该从相对次要的污染因素方面着手。
The world’s inability quickly to curb carbon dioxide should prompt action on these only comparatively minor factors.
而结果是，影响史前气温转变的最大因素一直是空气中二氧化碳含量的摆动。
And as it turns out, the biggest factor affecting prehistoric temperature shifts has been fluctuating levels of carbon dioxide in the air.
通过控制其他变量，科学家得出引起这个变化的主要原因是二氧化碳的增长，而二氧化碳恰恰是气候变化的主要因素。
After controlling for other variables, scientists concluded thatthe change resulted largely from the increase in carbon dioxide, a major factorin climate change.
燃烧石化燃料释放出的二氧化碳被很多科学家认为是导致气候变化的最主要的人为因素。
Burning fossil fuels releases carbon dioxide, which many scientists describe as the biggest man-made contributor to global warming.
砍伐森林建牧场，以及过度放牧导致土壤中碳含量的净流失等因素都会产生大量的二氧化碳。
Livestock farming also accounts for a lot of carbon dioxide, mostly from forests being cut down for pasture, or when overgrazing and the resulting soil erosion causes a net loss of carbon from soils.
较少的能源消耗也就意味着较少的二氧化碳排放量，而二氧化碳正是导致全球变换的因素之一。
Lower energy consumption also means fewer of the carbon dioxide emissions that contribute to global warming.
科学家们不知道那种自然过程需要多长时间，不过，据麦克林博士说，这被视为限制因素，而且在那段时间内，二氧化碳有可能泄漏。
Scientists don’t know how long that natural process will take, but it is considered the limiting factor, according to Dr. McLing, and the CO2 could leak out during that time.
海洋容易受气候变化和不断上升的二氧化碳水平威胁，也是欧盟在巴塞罗那发布的“Tara Ocean”项目的一个关键因素。
The oceans' vulnerability to climate change and rising carbon-dioxide levels has also been a key factor in the launching of the EU's Tara Ocean project at Barcelona.
所罗门说，尽管有不少种类的温室气体为人类引起的全球变暖“添砖加瓦”，但决定长期气候的因素，大部分还得看二氧化碳。
Although a wide variety of greenhouse gases contribute to human-caused global warming, it is CO2, largely alone, that will determine the long-term climate, Solomon says.
为了将此焦点话题更加复杂化，一氧化二氮气体与沼气的排放量在全球变暖潜在因素中远远超过了二氧化碳的排放量并更具危害性。
To complicate matters further, nitrous-oxide and methane emissions from farms far outweigh carbon-dioxide emissions in global-warming potential.
由于环境问题日益严重，人们在购买家具时关于环境方面的考虑也越来越多了，诸如森林的滥砍乱伐会导致全球气候变暖，非绿色家具在制造时对环境的破坏大，二氧化碳排放量多，一些不安全家具放置于室内时还会释放有毒气体，这些因素都导致了家具购买者会选择绿色家具。
Environmental concerns such as awareness of how deforestation impacts climate change and the effects of toxic finishes on the air inside homes have led furniture buyers to demand green furniture.
同样道理，洗发精的二氧化碳排放量的决定因素是你洗澡的时间长短、洗澡用水的冷热情况与热水器的功效强弱状况。
Similarly, the emissions of shampoo depend on how long you spend in the shower, how hot the water is and the quality of your boiler.
砍伐森林是导致气候变化的关键因素之一，实际上占全球二氧化碳排放的20%，占巴西碳排放的70%。
Deforestation, a critical contributor to climate change, effectively accounts for 20 percent of the world's carbon dioxide emissions and 70 percent of the emissions in Brazil.
不是所有血液中二氧化碳浓度高的人都会有这种经历，先前的研究发现人口学和心理学上的因素也起到了影响。
Not everyone with high CO2 levels had a near-death experience, and previous studies have found that demographic and psychological factors are also involved.
由BrighterPlanet开发的软件能对持卡人的购买行为作出分析，如航班、租车、酒店预订，并将这些因素转化成二氧化碳排放量。
Software created by Brighter Planet analyzes cardholder purchases such as flights, car rentals, hotel reservations, and translates them into carbon dioxide emissions.
既然世界没能力快速遏制二氧化碳的排放，就该从相对次要的污染因素方面着手。
The world's inability quickly to curb carbon dioxide should prompt action on these only comparatively minor factors.
为了保证非能源消费导致的二氧化碳的排放量低于4000亿吨，减少森林砍伐和土地利用变化等因素导致的温室气体排放将很有必要。
To keep these emissions below 400bn tons, complementary reductions in emissions from deforestation and land use change, as well as other greenhouse gases, will also be necessary.
它不仅能防止森林砍伐，使用的能源更少，考虑到前后因素，其二氧化碳排放量也更低。
Not only because they prevent deforestation, but they actually use less energy, and have a lower carbon emission once everything is taken into account.
事实上，水泥生产是全世界二氧化碳排放的一个主要因素。
Cement production is actually a major contributor to worldwide carbon dioxide emissions.
对影响超临界二氧化碳萃取五味子木脂素的传质过程和溶解度因素进行了研究，确定了最佳工艺参数。
The transferring substance curse and solubility factors that affected Lignans extraction by using supercritical CO2 were studied, and the best process parameter were determined.
从提取效率、油的得率及绿色环保几个因素综合考虑，超声波提取法和超临界二氧化碳萃取法是比较理想的两种提取方法。
Considering factors of extraction efficiency, oil yield and environmental protection, the ultrasonic extraction and the supercritical carbon dioxide fluid extraction are the appropriate methods.
他们认为，炭黑是仅次于二氧化碳的全球变暖第二大促进因素。
They cite black carbon as the second largest contributor to global warming after carbon dioxide.
以影响煤气质量的主要因素之一——二氧化碳含量，来拓展降低煤气中二氧化碳含量的理论与实践操作经验。
The article discusses the theory and practice to reduce the content of carbon dioxide in coal gas through analyzing the effect of carbon dioxide on coal gas quality.
本文从大米含水率、薄膜种类、二氧化碳含量等因素入手，对大米的薄膜袋装储藏形态进行了正交试验及方差分析。
Rice moisture content, film of different kinds and co 2 content were measured, the orthogonal test of rice storage with film packing was carried out, and its variance was analysed.
洞穴大气中二氧化碳收支取决于下列几个因素：（1）游客呼出量；
The CO2 content in cave air depends on the following 5-factor: 1. the quantity exhaled by tourists;
矿区构筑物的设计要考虑矿产储量的有限性、二氧化碳浓度偏高和采空区的扩大等因素。
The factors which are limited reserves, high concentration carbon dioxide and enlarge mine gob should be taken into considered when designing the structures in coal area.
地质构造、煤体结构及煤厚变化是二氧化碳突出的三项重要因素和必要条件。
The results show that the most important control factors include geological structures, coal texture and coal thickness variations.
地质构造、煤体结构及煤厚变化是二氧化碳突出的三项重要因素和必要条件。
The results show that the most important control factors include geological structures, coal texture and coal thickness variations.
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