查询词典 biomass

Only in the past few years has it become recognized as resources of production of plant biomass ...

介绍了绿水的概念，绿水在陆地生态系统中的作用，综述了绿水评价研究的进展、影响绿水流的因素、全球绿水资源状况和水安全等，展望了未来绿水研究，指出应将绿水资源纳入水资源评价之中，开展绿水管理、绿水和蓝水综合利用研究，自然生态系统与粮食生产绿水均衡利用研究。

The molluscs were the first in biomass and density of the benthos.

全年各类群生物中，平均生物量及栖息密度都以软体动物居首位。

Coastal waters; Benthos; composition of species; biomass, density; community structure; diversity index

近岸海域；底栖生物；种类组成；生物量；栖息密度；群落结构；多样性指数

The biomass between silver carp and bighead carp is in a ratio of 7:3 during the experiment.

试验期间鲢鱼和鳙鱼的放养生物量为7：3。

On the study of mechanism for attitude of phosphorus in soil in third part and a highlight on the problem of phosphate fertil- izer-biomass production relation and biogeochemical cycle .

所述内容中，重点在二、三两部分，其中第三部分中的当前磷索研究的现状，侧重于机理方面的研究、注重于磷肥—生物产量相关性问题的研究、注重其与不同介质中的生物地球化学循环方面的研究。

Biomass-derived black carbon,also named biochar,has the characteristics of high stability against decay and high capability of adsorption,and can affect the environment through its interactions with climate and geology,playing a significant role in global climate change,carbon biogeochemical cycle,and environmental system.

生物质炭具有高度稳定性和较强的吸附性能，可从气候、地质等多方面对环境产生影响，在全球气候变化、碳生物地球化学循环以及环境系统中发挥着非常重要的作用，长期以来成为国内外大气科学、地质学和环境科学领域研究的热点。

The diel changes of bioluminescence were much greater than in the plankton biomass.

要么消亡的变化都远远大于发光的浮游生物的生物。

However, the dimensions of the heterogeneities of plankton biomass and bioluminescence intensity can differ, as was noted above.

然而，浮游生物量非均质性和发光强度的尺寸可以不同，正如上文所述。

Based on the assessment of mycelial biomass, xylanase activity and content of xylose-equivalent reducing sugars in their liquid cultures, the isolate CY4786 was best for xylanase production in a basal medium containing birchwood xylan (10.0 g/L)as a sole carbon source, yeast extract (2.5 g/L) and sea salts (15.0 g/L) with initial pH 7.8. When assayed at the optimized regime of 50℃ and pH 4.6, the activity of xylanase produced by CY4786 in 7d liquid culture at 25℃ reached 1.07 × 104 unit/mL.

根据培养液中菌丝生物量、木聚糖酶活力和木糖等价还原糖含量等指标的测定，菌株CY4786在起始pH 7.8的木聚糖-酵母膏-海盐液体培养基中25℃下震荡(100r/min)培养7d产酶最佳；粗酶液在50q℃和pH 4.6的优化条件下进行测定，木聚糖酶活力达到1.07×104U/mL。

Clams and other bivalves, crabs, and snails made up the bulk of the animal biomass, which amounted to less than 5% of the total.

蛤和其他双壳类、蟹类以及螺类占去了动物数量的大部分，不到生物总数量的5%。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。