查询词典 biomass

The dominant species were Cerithidea cingulata , Batillaria cumingi , Cyclotellina remies and Potamocorbula rubromuscula of Mollusca. The mean biomass of benthic macrofaunu in summer and in winter was 133.0 g/m2 and 63.0 g/m2, respectively.

冬季优势种是珠带拟蟹手螺、古氏滩栖螺和环肋樱蛤；夏季优势种是珠带拟蟹手螺、环肋樱蛤和红肉河蓝蛤。

Beyond a certain collection radius it becomes energetically and monetarily inefficient to collect biomass for pyrolysis.

用于热裂解的生物材料的种植规模超过一定范围后，能源效率和经济效率都会大大削减。

Although we have seen that biomass power can help farmers monetarily and decrease rural air pollution, China's agriculture is very small scale.

中国的可再生能源法中对于生物发电的目标是到2010年达到装机总量500万千瓦，到2020年3000万千瓦，这相当于1000个像国能单县一样的生物发电厂。

Mud flat of mangrove, benthic macrofauna, biomass, species diversity

中文关键字：红树林滩涂，大型底栖动物，生物量，多样性

The effects of different nitrogen applied amounts on biomass and quality of Forage Green naked oat were studied.

为给冀西北高原饲用青莜麦高产栽培提供科学依据，研究了追氮对青莜麦生物产量和秸秆蛋白质含量的影响。

When the amount of nitrogen application was 69 kg/hm^2 in sandy chestnut soil,the biomass of forage green naked oat was 6 023.4 kg/hm^2, and was higher than CK.

沙地追氮69kg／hm^2时增产显著，青莜麦生物产量达6023.4kg／hm^2；此水平下，滩地青莜麦的生物产量最高，生物产量达9013.4k／hm^2。

Forage green naked oat ; Dressing nitrogen ; Biomass ; Protein

青莜麦；追施氮肥；生物产量；蛋白质

Nutrient-enriched reservoirs support greater abundance and biomass of copepods. However, dominance of Calanoids was lower while dominance of cyclopoids, copepodids and nauplius were much higher in the nutrient-enriched reservoirs.

随着水库营养水平的升高，桡足类密度和生物量也相应增加，但是大型哲水蚤的优势度降低，而剑水蚤和桡足类幼体的优势度上升。

Abundance, biomass and population structure of three fiddler crabs（Uca lactea, U. arcuata and U. formosensis） vary in San-Sun where presents salt marsh. The first two species are conspicuous and ubiquitous. Uca lactea inhabits sandy shore and U. arcuata dwells muddy one of the mangrove forest above the high water level of the neap tide.

台湾招潮蟹属於台湾特有种，并且为濒危物种，目前以新竹市香山湿地之海山罟所观察到的最丰富，香山湿地是台湾最大的盐分滩地，台湾招潮蟹栖息於高潮带，同时与优势种弧边招潮蟹、清白招潮蟹共域。

The effects of immobilized microbes including Rhodospirillaceae, Bacillus, Nitrobacteria and denitrifying bacteria on the changes in species, quantity and biomass of algae and zooplankton in aquiculture water and on the physicochemical environmental factors, such as nitrogen, were studied.

研究了固定化微生物(含有光合细菌、芽胞杆菌、硝化细菌以及反硝化细菌)对养殖水体中藻类和浮游动物的种类、数量、生物量以及水体氮素等理化环境的影响。

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。