生物生产

DMS的生物生产与消耗主要发生在海洋真光层。生物的生产与消耗被认为是海洋中DMS的主要来源和去除途径。

Biological production and consumption of DMS , primarily taking place within the marine euphotic zone , are considered to be the predominate source and sink of DMS in seawater .

具有多种较高生态服务功能的耕地、草地、水域和化石燃料废气（CO2）吸收用地的供给均远远小于需求，包括林地在内的生物生产用地正在以较高的速度流失。

The supplies of the lands with better ecological service function such as farmland , grassland , water bodies and land for absorbing exhaust gas of fossil-fuel ( CO_2 ) are great smaller than requirement , the biological production lands including forests are losing with rapid speed .

结果表明，生物生产性能不断提高，能量流动日趋优化。物质投入、产出比例尚待进一步调整，K素亏缺现象仍然严重。

Results show that the system 's bio-productivity is increasing , and energy flow is becoming more optimum , while ratio of material output to input should be improved , and K deficiency is still very serious .

海洋中二甲基硫的生物生产与消费过程

Biological Production and Consumption Processes of Dimethylsulfide ( DMS ) in Oceans

有水草和无水草的两个浅水水库生物生产量的比较

The comparison of biological production between two shallow reservoirs with and without aquatic macrophytes

这些资源和废弃物能转换成相应的生物生产土地面积。

The land area for biological pro - duction transformed by such resources and their castoff .

池鹭繁殖种群数量、活动规律和生物生产量的研究。

Study on the activities and biomass production of breeding population of Chinese pond heron ARDEOLA bacchus .

从生物生产性土地类型看，供给与需求之间存在不对称现象，现有生物生产性土地利用率低，开发潜力巨大。

Judging from the bio-productive land types , there was a phenomenon of asymmetry between supply and demand .

建设项目大多建设在肥沃的土壤上，因此公路建筑面积的增加意味着生物生产量的明显降低，本文以生态生产性土地面积衡量当地的生态资源供给变化。

The construction of expressway meant reduction of biological capacity in terms of the occupy of the fertile land .

滇东北不同退耕还林类型生物生产量及水土保持效益分析

Analysis on the Biological Production and Soil and Water Conservation Benefit Under Different Types of Returning Farmland to Forests in Northeastern Yunnan Province

海洋沉积物中主要成分及部分元素的组成情况是了解海区生物生产和物质来源的有效信息，了解其分布特征对于研究近海环境和生物生产的空间、时间变化具有重要意义。

The major components of marine sediment contain efficient information to understand the biological production and the material sources in a sea area .

生态赤字是一国消费所需的生物生产型土地面积超出该国生态承载力范围内可提供的生态足迹量形成的。

Ecological deficit appears since the biologically productive area demanded by consumption exceeds the ecological footprints supplied by a country within its ecological capacity .

在生态学和农业研究中，误差逆传神经网络模型通常作为非线性函数模拟器用于预测作物产量、生物生产量、生物与环境之间的关系等。

In agroecological research , neural networks are always employed to predict crop yield , biomass yield , relationships between organisms and environmental factors and so on .

生态足迹模型通过测度当今人类为了维持自身生存和发展而利用的生物生产性土地面积的数量，来定量地评估自身活动对地球生态系统的影响程度。

The ecological footprint model evaluates the effect of human activities on the global ecological system by quantifying the biological productive land area necessary to maintain human survival and development .

作为作物赖以生长并为全世界提供衣食的中介，土壤是植物生长繁育和生物生产的基地。

As the agency which is very important for the crop growth and provides food for the world , soil is the plant base for its growth reproduction and biological production .

本文从生物生产领域广度的扩展，资源开发功能深度的挖掘和经济价值高度的升华三个方面系统归纳了我国现今生态农业模式的多种类型。

This paper has systematically summed up the various models of the present agro - ecosystem of China in the three aspects of enlarging the scope of the biological production , exploiting the potentialities of the natural resources and raising economic benefits .

生态足迹理论是通过跟踪区域的资源和能源消费，将它们转化为提供这种物质流所必须的生物生产性土地面积，并与生态承载力进行比较，以此衡量区域可持续发展状态。

Ecological footprint is suggested to offer a conceptual framework and methodology to evaluate sustainability , and is described with the area of productive areas and water ecosystems , which is necessary to produce the resources and energy consumed in a region .

分析不同生物生产性土地类型足迹的变化对陕西省生态环境的影响效应，为区域环境生态和社会经济的协调发展提供参考。

At the same time , the effects caused by the changes of 6 kinds of eco-footprints were illuminated too on the environment of Shaanxi province , which put reference to the development and harmony of the region 's economy and environment .

富马酸是一种重要的化工原料和精细化工产品，在医药、化工、树脂等领域有着非常广泛的应用前景，其生物生产方法已经受到了广泛的重视，如微生物发酵法。

Fumaric acid is an important chemical raw materials and fine chemical products , has a very wide range of applications in pharmaceuticals , chemicals , resins and other fields , and its biological production methods have received wide attention , such as microbial fermentation .

通过计算分析得到以下结论：（1）对研究区内森林资源二类清查中12类地类，按生态足迹计算中的6类生物生产性土地进行了重新归类，使得计算结果更接近实际。

The main results as follows : ( 1 ) With a new classification , the 12 categories of land groups which were used in forest inventory for management plan were ranged 6 categories of biological productive areas , and the footprints after this classification were more realistic .

西班牙近期引入了一项本地成分规则，偏袒本国的生物柴油生产商。阿根廷威胁就此向WTO提起诉讼，指控欧盟对外国企业给予不平等待遇。

Spain recently introduced a local content rule favouring domestic biodiesel producers , prompting Argentina to threaten a WTO case against the EU claiming unfair treatment .

介绍了利用再生生物资源生产EG的总体工艺流程和提出该建议的主要依据。

The general technological process and main basis of using the regenerated biological energy to produce EG were introduced .

虽然N处理下生物量生产稳定性较高，但其生产力水平低。可见，只有平衡施肥能够确保双季稻田系统持续高产、稳产。

Although the stability of biomass production was higher the productivity was lower . Therefore , only balanced fertilizer can assure the high and stable yield in double rice ecosystem . 3 .

兽用生物制品生产企业实施兽药GMP管理是提高竞争力和产品质量的有效途径。

The GMP management implemented by a veterinary bio-products factory is an efficient way to improve competence and quality of products .

一些非政府组织（NGO）希望能够叫停生物乙醇生产（moratorium），并称这能够使粮价下降20%。

Some non-governmental organisations want a moratorium on ethanol output , saying this would cut grain prices by20 % .

由联合国粮农组织（FAO）开发的这一“分析框架工具”利用各国数据预测生物能源生产造成的影响。

The'analytical framework ' , developed by the UN Food and Agriculture Organization ( FAO ), uses country data to predict the effects of bioenergy production .

根据设计的工艺流程，采用aspenplus建立了生物柴油生产流程模拟的模型，并依据流程模拟中单元模型的物质组成和状态选择了合适的热力学计算模型。

According to the design process , the simulation model of biodiesel production process is built by Aspen Plus , select the appropriate thermodynamic calculation model basied on the component and state of simulation model .

指出利用可再生生物能源生产化纤原料EG既能解决聚酯原料EG短缺，又能发展绿色化工产品。

It was pointed out that using the regenerated biological energy to produce chemical fiber raw material EG , the lack of PET raw material EG can be solved , the green chemical product can be developed .

棉铃虫对苏云金杆菌（B.t）的抗性监测及延缓抗性策略膜技术改造苏云金杆菌生物农药生产工艺实现清洁生产的研究

Study on Cotton Bollworm Resistance to Bt Pesticide and the Strategy of Resistance Management Modified Membrane Technique for Cleaner Production of Bt Pesticide

德国在可再生能源（RES）领域的先锋作用体现于它在风力发电和光伏发电装机能力的世界领先地位中，而且德国的生物燃料生产位居欧洲第一，安装的太阳能集热面积也很可观。

Germany 's pioneering role in the field of renewable energies ( RES ) can best be observed by its world leading position in installed wind power and photovoltaics . Also its first European rank in the production of biofuels and installed solar thermal collector space is remarkable .