New ZealandNew Zealand, for example, reported increases of carbon in planted forests net of emissions from harvesting and other emissions from land-use changes.
在简化符号中的碳的总数不包括可以存在于所描述的基团的取代基中的碳。
The total number of carbon atoms in the simplified symbol does not include carbon that may be present in the substituents of the group.
举例来说,二氧化碳(CO2)中的碳稳定同位素被光合作用加以差异化利用。
For example, stable carbon isotopes in carbon dioxide(CO2) are utilized differentially by photosynthesis.
在不断生长生物质中的碳是天然碳循环的一部分。
The carbon in the growing biomass is part of the natural carbon cycle.
此外,通过降低排放到大气中的碳(IV)氧化物水平,它们有助于减缓气候变化的速度。
In addition, by reducing the levels of carbon(IV) oxide emitted to the atmosphere, they help to lessen the pace of climate change.
在简化符号中的碳的总数不包括可以存在于所描述的基团的取代基中的碳。
The total number of carbons in the shorthand notation does not include carbons that may exist in substituents of the group described.
我们与客户合作,以推动减少整个价值链中的碳排放,并与供应商组织专门的可持续性会议。
We work with customers to drive a reduction in carbon emissions throughout the value chain and organize dedicated sustainability meetings with suppliers.
当森林大火吞噬树木和其余植物时,它们将储存在植物中的碳释放到大气中。
As forest fires devour trees and other plants, they release the carbon stored in the vegetation into the atmosphere.
与此相反,20世纪50年代和60年代的核武器试验却大大增加了大气中的碳14浓度。
In contrast, nuclear weapons testing in the 1950s and 1960s dramatically increased the level of carbon 14 in the atmosphere.
美国宇航局(NASA)的这颗卫星于今天7月份发射,其目标是绘制大气层中的碳元素净含量。
The NASA satellite launched in July with the goal of mapping the net amount of carbon in the atmosphere.
在操作层面,新目标还意味着整个英国经济的公司需要减少日常活动中的碳排放。
On an operational level, the new targets also mean that companies throughout the UK economy will need to reduce their carbon emissions from day-to-day activities.
而且,我们没有许多直接的方法来评估树木和藻类有助于释放出大气中的碳。
And we don't have many straightforward ways to value the carbon that trees and algae help pull out of the atmosphere.
辐射定年原理是测量碳14衰变时产生的辐射,而加速器质谱法直接测量样品中的碳14浓度。
Radiometric dating measures the radiation produced from the disintegration of carbon 14 while accelerator mass spectrometry directly measures the concentration of carbon 14 in a sample.
我把木炭放在上面,以吸引CO中的碳来帮助它生长。
I have put charcoal on it to attract the carbon in CO? to help it grow.
研究人员估计,100年的捕鲸活动使储存在海洋生态系统中的碳减少了2300万吨。
The researchers estimate that 100 years of whaling removed 23 million tons of carbon from marine ecosystems.
美国阔叶林对碳存储的直接贡献不包括长期储存在美国阔叶木产品成分中的碳。
This direct contribution of America's hardwood forests to carbon sequestration excludes the carbon held in long-term storage as a component of American hardwood products.
几十年来,我们已经知道生态系统已经吸收了大量排放到大气中的二氧化碳.
We have known for decades that ecosystems have been taking up a lot of the carbon dioxide we emit into the atmosphere.
在工业上,金属硅通常是由电炉中的二氧化碳还原而成。
In industry, metal silicon is usually made from carbon dioxide in an electric furnace.
Carbon from the plankton is integrated into the waste products from these animals and other particles, and settles to the seafloor as" marine snow" in a process called the" biological pump".
One motivation for global tree-planting plans is to reduce atmospheric carbon by storing emissions from industrial nations in the ecosystems of the less industrialized nations.
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