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The effects of the ratio of Carbon／Nitrogen and the concentration of Cu2+ on biomass and polysaccharides content of hyphae was studied.

本文研究了不同C／N及不同Cu2+浓度对柱状田头菇液体发酵产物生物最及多糖含量的影响。

When the concentration of Cu2+was 0.01%,the biomass of hyphae was more higher,and at the same time,the content of polysaccharides was max.

当Cu2+浓度为0.01%时，多糖含量可达最高，并能获得较高的菌丝生物量。

Hypocotyls grown in forest soil were best and that in seed soil were worst. The root biomass of A.

下胚轴在森林土的生长最好，在沙土的生长最差。

Fruticosa grown in clay sandy soil and clay soil was best, and they were significantly higher than that in other soils from 12th d in the test. The biomass of hypocotyls in 4 soils was similar, and that in forest soil was higher and its dry weight accumulated in hillside soil was more.

沙土和黏土中紫穗槐根的生物量最好，并在第12天的时候开始就明显高于其他土壤。4种土壤中的下胚轴生物量都差不多，以森林土的较高，而山坡土的积累的干重较多。

In different degree of saline and alkali conditions controlled in lab or under field, contents as followed were determined: the absorption, transportation and distribution of major cations Na~+, K~+, Ca~(2+and Mg~(2+) in indicator plant; organic solute, and antioxidase activities, including superoxide dismutase, catalase and peroxidase POD characteristics of individual, population and community of the plant. Responses of the indicator plant to environment from physiological to community aspects were systemically discussed in this document.(1 Vegetional characteristics and edaphic indicators including bare patch index, dry biomass, percent cover by perennial plants, growth indicators of Leymus chinensis, soil organic matter and pH were sensitive to saline-alkali grassland degeneration.

运用室内控制和野外试验相结合的方法，调查和测定在不同土壤盐碱条件、不同季节里，主要元素Na~+、K~+、Ca~(2+)、Mg~(2+)在植物体内吸收、运输和分布的变化状况；研究不同土壤离子浓度下，指示植物体内渗透调节物质——脯氨酸和糖类、超氧化物歧化酶、过氧化物酶和过氧化氢酶活性等指标的变化响应情况；研究不同盐碱梯度下，植物个体、种群、群落的特征；系统的从生理生态角度探讨指示植物对盐碱环境的响应：(1)植被特征指标：裸地指数、生物量、多年生植物覆盖率；羊草生长状况指标：土壤有机质含量、pH可作为松嫩平原退化评价的指标。

According to the rate of occurrence and the average biomass, 33 species of phytoplankton, 34 species of zooplankton and 6 species of zoobenthods were the important species in the inland saline waters in North China.

根据出现率和平均生物量，有33种浮游植物、34种浮游动物和6种底栖动物为三北地区内陆盐水的主要种类。

Emphasizing on improving farmers producing and living conditions, the new countryside construction program has solved 320,000 farmers' drinking safety problem, paved 471 km asphalt road in villages , implemented "bright, warm and recycle" project, installed 40,000 solar lamps, popularized 46,000 hanging - kangs and newly built 38 methane projects and 42 biomass gasification projects.

新农村建设以改善农民生产生活条件为重点，解决了32万农民饮水安全问题，完成自然村通油路471公里。实施&亮起来、暖起来、循环起来&工程，安装太阳能灯4万盏；普及吊炕4.6万铺；新建沼气工程38项，生物质气化工程42项。

And Changbai larch(Larix olgensis A.Henry)atdoubled CO2 concentration at seedling stage in growth-chamber and WI,HI of several dorminanttree species in MBKPF(1)Under 700μl·1-1 concentration of CO2,the stem height, stem diameter,main root length,root/shoot ratio and the relative proportions of biomass in root,stem and leaf of the seedlings ofKorean pine and Changbai larch had no significant change.

在700μL·L-1CO2条件下与正常浓度下相比较，在一个生长季后，红松、落叶松幼苗的苗高、地径、主根长、根茎比及生物量在根、茎、叶各器官中比例，差异不显著，对落叶松的侧枝数有影响；在第一、二次试验中，落叶松幼苗的平均每株生物量比在正常CO2浓度下大12.2％、14.2％，而红松幼苗的生物量分别减少3.9％、12.8％；红松、落叶松针叶叶绿素含量以及叶绿素a的相对含量在高浓度CO2下受到影响。

The soil microorganisms quantities, microbial diversity index, microbial biomass carbon and the cellulose decomposition strength significantly reduced with increasing of heavy metal concentration, but the soil basal respiration rate were positively enhanced. The soil urease, alkaline phosphatase and polyphenol oxidase in the lead zinc mining area were sensitive. The invertase and catalase were not obvious inhibited to the heavy metals.

该矿区土壤微生物区系组成和微生物活性显著不同于临近非矿区土壤，随着重金属含量的增加，土壤微生物数量、微生物多样性指数、微生物生物量碳以及纤维素分解强度均显著降低，但土壤基础呼吸却明显升高；土壤脲酶、碱性磷酸酶、多酚氧化酶对铅锌矿较为敏感，而蔗糖酶和过氧化氢酶受到的抑制作用不明显。

A state-of-the-art 28 megawatt biomass-to-electricity facility is to be built by Liberty Green Renewables just to the north of Milltown in Crawford County, Indiana.

自由女神绿色能源公司将在印第安纳州克劳福德县密尔城北部建一座目前最先进的28MW生物质电厂。

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。