生物量

Based on the food chain relationship between nutrition, autotrophy and detritus biomass, considering the complementarity of the nutrition which is caused by the animalcule decomposition of the propagation reliquiae, as well as its losing caused by physical therapies, we set up a model of zoology dynamics about the reciprocity of nutrition-autotrophy-detritus biomass, and analyze the dynamical stability of the model solution by using modern nonlinear theory.

基于营养盐、赤潮藻类、碎屑的生物量之间的食物链关系，考虑到由于海洋内微生物分解动植物遗体对营养盐的补充以及物理因素导致的流失，建立了营养盐－赤潮藻类－碎屑的生物量相互作用的耦合生态动力学模型。运用现代非线性动力学理论，对模型解的动力学稳定性进行了分析。

The content of chlorophyll and plankton decreased significantly in eutrophication water growing Canna indica and Cyperus alternifolius. The amount of plankton was decreased by 82% and 68%, respectively, comparing with raw wastewater.

培育美人蕉和伞草的污水中叶绿素和浮游生物量明显下降，与原污水相比较，浮游生物量分别降低了82%和68%。

The coppiced shrub remained two coppice shoots adding the parameters obviously of the number, the total length,1 the biomass of new branch and the number and biomass of leaf. 3. the leaf area decreasing with the increasing of adjusting degree.

在相同的生境下，三种调控措施中对基径、顶梢生长影响最明显的是2克隆株/丛与3克隆株/丛；2克隆株/丛的调控措施明显增加当年新生枝的数量、总长度、生物量以及叶片的数量和生物量；而叶面积随调控措施程度的增加有逐渐减小的趋势。

Biomass and soil organic carbon dynamics of Cryptomeria fortunei plantations at 5,10,17,22 and 26 years-old were studied at Pengzhou County,Sichuan Province,employing volume-biomass method and soil profile investigation.

以四川彭州为典型案例，采用材积源生物量法和土壤剖面分析方法，对栽植5、10、17、22和26年的人工柳杉林生物量及其土壤碳动态进行了初步研究。

The result showed that culm biomass of B.wenchouensis accounted for 73.1%,much higher than that of Phyllostachys edulis.

结果表明：大木竹各器官生物量的分配中，竹秆所占比例较大，为总生物量的73.1%，远超过毛竹等竹种的相应值。

Soil microbial biomass and activities of invertase and urease all tended to decrease after pot-culture experiment, while the correlations between these biochemical properties and field ages were similar to those before this experiment, suggesting that rice cultivation without fertilization consumed part of soil microbial biomass, decreased soil enzyme activities correlated with C and N transformation, and affected soil nutrients status disadvantageously.

温室盆栽试验之后，水稻土的微生物生物量及酶活性与利用年限之间的关系规律和种植水稻之前基本一致，且整体上又趋于下降，即无施肥条件下种植水稻转化利用了土壤部分微生物生物量，并减弱了与碳氮转化相关酶的活性，对保持水稻土的营养水平造成不利影响。

The results indicae that the dominant species is Potamogeton malaianus Miq in the six aquatic plants with maximum fresh unit biomass of 6131 g/m^2, accounting for 61.59% of the total sample; The sub-dominant species is Egeria densa Pianch with maximum fresh unit biomass 3716 g/m^2, accounting for 24.78% of the total sample.

测定结果表明：在采集到的6种水草中竹叶眼子菜为优势种群，单位生物量最高为6131 g/平方公尺，占全部样本总量的61.59%；水蕴草为次优势种群，单位生物量最高为3716 g/平方公尺，占全部样本总量的24.78%。

In four communities, the intensity of belowground competition for Schima superba were greater than that for the two exotics.

没有根竞争时，三种幼苗的生物量、生长速率大于有根竞争时的同种幼苗的生物量。

The phytoplankton biomass altered from 4.22 mg/L to 22.31 mg/L, averaging 12.29 mg/L. The diversity index of the phytoplankton (H =0.96) was relatively low. The zooplankton identified belongs to 19 species, and its biomass ranged from 3.75mg/L to 7.74mg/L, averaging 5.93mg/L. The diversity index of the zooplankton was relatively low too. In the cultured rice fields, the phytoplankton identified belonging 53 gena, 6 phyla.

在网箱养鳝塘中，共检出浮游植物40属，隶属于7个门；浮游植物生物量变化在4.22mg/L-22.3mg/L之间，平均为12.29mg/L；浮游植物的多样性指数相对较低(H=0.96)；共检出浮游动物19属，其生物量变化在3.75mg/L-7.74mg/L之间，平均为5.93mg/L；浮游动物的多样性指数(0.80)也相对较低。

The results showed that most intercrops had no significant effects on the growth of maize, only with purple haricot reduced the maize biomass by 32.2% of the control.

结果表明，多数间作作物对玉米生物量没有明显影响，只有扁豆对玉米生长有较明显的抑制作用，使玉米生物量降至对照的67.8%。

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。