生物量

Biological matter of fish species in particular parts of the ocean,but rather changes in thatbiomass over time.

他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。

Therefore, the biomass concentration during flask culture can be predicted by this neural network model if initial glucose concentration and initial biomass concentration were provided.

所以，由培养液的初始葡萄浓度和初始生物量浓度通过网络软测量模型就可对摇瓶中微生物的生物量浓度进行估算。

By the methods of statistics and geostatistics, this paper approached the relationships between the spatial heterogeneities of Artemisia ordosica and soil moisture on the semi-fixed dune of Mu Us sandy land.

结果表明，在块尺度（80 m×80 m）上，油蒿密度和生物量的空间异质性受制于土壤湿度的空间异质性，尤其油蒿生物量的空间异质性与土壤湿度的空间异质性呈显著正相关关系。

Correlation between NUE and characters of inbred lines were analyzed. The resulted showed that in choosing inbred lines, the following traits should be included, higher chlorophyll content and big area of ear leaf at heading period, higher N content of grain and harvest index at low N, and the big biomass at heading period and maturity at high N.

通过玉米自交系各性状与氮效率的关系的分析表明，低氮胁迫下，应选择抽丝期穗位叶叶绿素含量高、穗位叶叶面积大、籽粒含氮量高和氮收获指数大的自交系，高氮处理条件下，应选择抽丝期生物量大和成熟期生物量大的自交系。

According to correlation analysis of yield and properties, the following traits should be included, higher chlorophyll content and big area of ear leaf at heading period, higher N content of grain, NUE and N harvest index in choosing cultivars at low N, and the big biomass at heading period and maturity should be included at high N.

据性状与产量相关分析表明，低氮条件下应选择抽丝期穗位叶叶绿素含量高、抽丝期穗位叶叶面积大、籽粒氮含量高、氮效率高和氮收获指数高的品种；高氮条件下应选择抽丝期生物量大和成熟期生物量大的品种。

When maize plants matured, the plant height of transgenic lines 2, 3, 4 and 5 was about 5% higher, total biomasses were 15-30% more, in which the biomasses of roots, leaves and seeds per plant were about 15%, 20% and 20-30%, respectively, than those of wild type plants.

植株成熟后，转基因株系2、3、4、5株高比非转基因对照高约5％，总生物量比非转基因对照多15-30％，其中转基因株系2、3、4、5根系、叶片和单株籽粒重的生物量分别比非转基因对照高约15％、20％、20-30％。

The results showed:(1)Nitrogen addition changed the soil physical and chemical properties, enhancing the content of NO3—- N available resources in the soil, increasing the plants height and cover, reducing the vegetation light penetration. With increasing of N addition, both the species richness and the diversity decrease sharply (P 0.001).(2)N addition increased the aboveground biomass significantly (P 0.05). With increasing of N addition, the aboveground biomass increased first then decreased, and the grasses biomass increased while the forbs and legumes biomass decreased.(3)There was a significant linear positive relationship between species richness and vegetation light penetration (P 0.05), and also between aboveground biomass and soil NO3—- N content (P 0.05). The relationship between aboveground biomass and species richness was negative upon enhanced N supply.

结果表明：（1）氮素添加提高了土壤中NO3—- N等可利用资源的含量，增加了植物群落植被的盖度，减小了植被的透光率，随着施氮量的增加群落中物种丰富度显著降低（P 0.001）；（2）氮素添加显著改变了植物群落地上生产力（P 0.05），随着施氮量的增加地上生产力呈现先增加后降低的变化趋势，各功能群中禾草生物量显著增加，而杂草和豆科生物量随施氮量增加逐渐减少；（3）物种多样性与植被透光率呈线性正相关（P 0.05）；地上生产力与土壤NO3—- N含量呈线性正相关（P 0.05）；随着施氮量的增加物种丰富度与生产力之间呈负相关关系。

Additionally, species with larger plasticity in biomass allocation and relative growth rate also showed higher seedling survival rate.7 All these suggested that higher light availability in grazed disturbed meadow community favor seedling recruitment for these familiar forbs component species, but bottom shade in fertilized meadow community restrain seedling recruitment for these species.

在变化的微生境下，具有较小生长可塑性的物种具有相对较大的幼苗存活率；而生物量、株高可塑性和平均可塑性较高的物种具有相对较大的幼苗越冬存活率；具有较大的生物量分配和相对生长率可塑性的物种幼苗具有相对较大的存活率。7放牧干扰下的高光照微生境有利于这些草甸常见组分种实生幼苗的更新补充，而施肥后草甸群落冠层底部的低光生境不利于这些物种的更新补充。

The grass coverage (19.21%) and biomass (44.07g/m^2) in the OTC were significantly higher than those in the control (8.04% and 18.1g/m^2, respectively), while the forbs coverage (72.8%) and biomass (210.54g/m^2) in OTC were significantly lower than those in the control (83.5% and 244.9 g/m^2, respectively).

OTC内禾草的盖度(19.21%)及生物量(44.07g/平方公尺)，均显著大于对照样地（8.04%和18.1g/平方公尺），而杂类草的盖度(72.8%)及生物量(210.54g/平方公尺)均显著小于对照样地（83.5%和244.9g/平方公尺）。

In wetter habitats, forbs were more abundant and accounted for the majority of aboveground biomass, whereas grasses became more important in dryer habitats. Shrubs and sub-shrubs increased with decreasing soil water availability and their relative biomass rapidly increased in degraded steppe and sand dune; perennial grasses had significantly higherδ〓C values than other PFGs; the δ〓C values of perennial grasses and forbs increased with decreasing soil water availability, while those of shrubs/sub-shrubs showed an inverse trend.

在较湿润生境，多年生杂类草更加丰富并构成了群落地上生物量的绝大部分；而在较干旱生境下，多年生禾草在群落中起更重要的作用；随着土壤含水量下降，灌木和半灌木逐渐增多，且在退化草地和沙地中其相对生物量迅速增加；多年生禾草δ〓C值显著高于其它功能群；随着土壤水分可利用性降低，多年生禾草和杂类草的δ〓C值表现出增加的趋势，而灌木/半灌木则表现出相反的趋势。

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。