The varied range of CO2 concentrations in vegetation air system are mainly influenced by the amount of rainfall, secondly the rain frequency.
浓度降低的幅度主要取决降雨量的大小，其次才是降雨的频率。
It is found that the carbonization velocity coefficient will not be constant but increased with the elevation of CO2 concentrations resulted from the air pollution.
分析发现，随着大气中CO2浓度的升高，混凝土碳化速度系数不再是一个恒定的量，而是随时间延长不断增大，表明大气污染会加剧混凝土的碳化。
The results showed that the interaction of doubled CO2 concentrations with drought stress reduced the water consumption and transpiring rates of the saplings effectively.
结果表明，在各干旱胁迫水平下，CO2浓度倍增有效地降低了幼树的蒸腾耗水量和耗水速率。
Furthermore, sea level fluctuated tens of meters during this interval, suggesting a highly volatile East Antarctic Ice Sheet when CO2 concentrations were near this threshold value.
此外，海平面在数十米区间内的波动，表明在二氧化碳接近这个临界值时东南极洲冰盖会产生剧烈蒸发。
If plants grow in Chambers with high concentrations of CO2, yields rise a lot (which is why tomato farmers and others use CO2 in their greenhouses).
如果在室内种植作物，高浓度的二氧化碳会极大地提高产量(这就解释了为什么西红柿种植户和其他人在温室里使用二氧化碳)。
Many scientists, as reported in the Guardian last week, fear that concentrations of CO2 in the atmosphere are already high enough to ensure a mass extinction of coral in the coming decades.
正如《卫报》于上周的一份报道说，许多科学家担心，二氧化碳在大气层中的浓度已经高得足以在未来数十年内保证出现珊瑚大灭绝。
Atmospheric concentrations of carbon dioxide have reached 386 parts per million-and rising, because every year, human activity spews more than 30 billion metric tons of CO2.
目前大气中CO2(二氧化碳)的浓度已达百万分之386，而且还在上升。因为每年，人类活动要排放出300多亿吨CO2。
It fits with the general increase in emissions. You would expect the concentrations of CO2 to grow.
你们可以预期，二氧化碳的浓度还会增长。
The distributions of gas temperature, O2, CO2, CO, and NO concentrations were measured under different swirl numbers for the primary air.
测量了在不同的一次风旋流数下，气体的时均温度、O2、CO2、CO和NO浓度的分布。
The hydrogenation reaction of co and CO2 to synthesize methanol is a multiple reaction system. The distributions of concentrations are described by second order ordinary differential equations.
由CO、co_2加氢合成甲醇的反应是一个复合反应体系，其催化剂颗粒内的浓度分布的表征方程为二阶常微分方程组。
Additionally the linearity of the measurement by PMS has been verified by analyzing CO and CO2 at various concentrations based on a single-point calibration.
图五所示为采用过程质谱基于单点校正在不同浓度测量CO和CO2的线性度的测试结果。
The benchmark concentrations of CO2, SO2, NO2 in the model and the relationship between the benchmark concentrations and the environmental harm coefficient are discussed.
探讨了气体污染物CO2、SO 2、NO2在模型中的基准浓度及其与污染物环境危害系数之间的关系。
Based on experiments, the effects of the concentrations of additives SDS, SDBS, SDS-SDBS complex on CO2 hydrate phase equilibrium point were analyzed.
通过试验研究了不同浓度下十二烷基硫酸钠(SDS)、十二烷基苯磺酸钠(SDBS)以及SDS和SDBS复合添加对二氧化碳水合物相平衡点的影响。
Based on experiments, the effects of the concentrations of additives SDS, SDBS, SDS-SDBS complex on CO2 hydrate phase equilibrium point were analyzed.
通过试验研究了不同浓度下十二烷基硫酸钠(SDS)、十二烷基苯磺酸钠(SDBS)以及SDS和SDBS复合添加对二氧化碳水合物相平衡点的影响。
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