查询词典 biomass

The results indicated that corn stalk and stubble rationing application of N fertilizer would increase the content of soil microbial biomass carbon. Soil pH buffer capacity was strengthened. Soil aggregate structure was improved. Corn stalk and stubble remained in field would be helpful to maintenance and liberation of soil available nutrients...

结果表明：玉米秸秆和根茬留田可增加土壤微生物量碳的含量，较对照和单施化肥土壤微生物量碳分别增加38.4％～84.9％和27.2％～51.6％；增强土壤pH值的缓冲性能；改善土壤团聚体结构；有利于土壤中氮、磷、钾、铜、锌、铁、锰等养分的释放与调控，为作物生长创造适宜的土壤生化环境。

Cyanobacteria dominated in subaerial and soil inhabitats in terms of number of species or in biomass, while diatoms and green algae have advantages in oligotrophic and mesotrophic aquatic environments respectively.

亚气及陆地生境中蓝藻在种类数、生物量方面占主导地位；贫瘠水体生境中硅藻占主要地位，营养较丰富水体中绿藻处于优势地位。

With the warming and drying effect, plant biomass and community structure of the subalpine meadow changed significantly.

植物群落优势种和组成结构发生改变。

Proportion of trunk increased, and biomass of root was more than branch in the species of the subtree layer.

亚乔木层种类生物量中干的比重增加，反映了其高生长的特性；而根的比例比枝大。

Early successional stages are characterized by pioneer species, low biomass and often

早期的演替阶段，具有先锋物种、低生物量和低营养水平的特征。

The effects of biomass on the hydrogen sulphide gas released from coal pyrolysis were studied.

研究表明：生物质与煤混合热解时，对析出的H2S气体有明显影响。

The effects of biomass on the hydrogen sulphide gas released from different coal pyrolysis have been studied.

研究表明：生物质与不同变质程度的煤的混合热解过程中H2S析出有着相似的规律，即生物质的加入使煤析出H2S提前，且随着生物质比例的增加，H2S在更低的温度下有较大的析出速度。

Non-woody magnesium lignosulfonate is produced as a by-product in the sulphite non-wood pulping,which is a very abundant and innoxious biomass resource.

非木本木质素磺酸镁来源于造纸厂非木本原料亚硫酸盐制浆废液，属于来源丰富、无毒的可再生生物质资源。

The results showed that the concentration of Eu(superscript 3+) had different effects on biomass accumulation of roots.

结果表明：Eu(上标 3+)浓度对不同类型大黄根的生物量积累作用效果不同。

Were investigated by pot experiment. The results showed that low Pb concentrations stress could slightly increase the biomass of swamp cabbage, whereas its growth would be significantly inhibited under high concentrations.

结果表明：低浓度的Pb胁迫会提高空心菜的生物量，但高浓度胁迫下空心菜的生长受到抑制，在900 mg/kg Pb处理下空心菜生物量仅为对照的32.4%。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。