secondary production

A central view of tropical estuarine ecology is that export of organic matter from mangroves represents a major energy pathway and support much of the secondary production of estuaries and nearshore waters .

传统上认为红树林输出的有机质产生巨大的能流，支持了巨大的河口和近岸水域生态系统的次级生产。

With the development of iron and steel industry , getting more benefit from secondary production of the product has become an important economic growth point of each large-scale steel plant .

随着钢铁工业的发展，在产品的二次生产中获得更多的效益，已经成为各大钢厂重要的效益增长点。

Theories and Methods of Studies on the Secondary Production of Zoobenthos

底栖动物次级生产力研究的理论与方法

Primary Study on Secondary Production of Macrobenthos in Bohai Sea

渤海大型底栖动物次级生产力的初步研究

Except B3 , the secondary production of the others is very high .

除B3站外，其它站位次级生产力都较高。

Secondary production is defined as the rate of production of new biomass by heterotrophic organisms .

次级生产力的定义是异养有机体的新生物量的生产速率。

The average transformation efficiency from primary production to secondary production was 31.31 % and the transformation efficiency was from 9.29 % to 69.66 % .

初级生产力到浮游动物次级生产力的转化效率在9.29～69.66%之间，平均为31.31%。

The variations of zooplankton species composition , biomass and secondary production will change the structure and function of the ecosystems .

浮游动物物种组成、生物量和次级生产力的变化会改变生态系统的结构和功能。

Spatio-temporal distribution and secondary production of macrobenthos in intertidal zone of Dongwu of Meizhou Bay , Fujian Province

湄洲湾东吴港区附近潮间带大型底栖动物的时空分布及次级生产力

The mean secondary production was 42.02g / m ~ 2 ( AFDW ) .

次级生产力的值为14.80g／m~2（去灰干重），明显小于驴驹河的。

The application of material input and output analysis table in the analysis of product structure , the proportional analysis of primary production and secondary production , the making and adjustment of production planning are also proposed .

给出了流程企业实物型投入产出表的编制方式，指出投入产出表在生产结构分析、主体生产与辅助生产联系与比例分析和生产计划制定与调整等方面的应用。

Within the layer the copper ? Problems and Countermeasures in Secondary Copper Production

再生铜生产过程中的问题及对策

Advance in Research on the Modification of Secondary Metabolite Production in Plants

植物次级产物修饰研究进展

Strategies for secondary metabolite production through plant cell culture in the post-genomic era

后基因组时代植物细胞培养生产次生代谢产物研究的策略

Key factors including medium formulation , culture conditions and elicitors were investigated for optimal cell growth and secondary metabolite production .

的悬浮培养体系，通过考察重要理化因子及常用的诱导子对体系生长及代谢的影响，确定了基本培养条件及生产条件；

Lead Mine supply reduces greatly in recent years while demand is still strong , so secondary lead production involves for balancing market .

由于近几年铅矿供应大大减少，而需求却依然旺盛，需要二次铅的生产也参与进来以平衡供应。

The effects caused by different addition quantities of organic solvent and different addition time on the cell growth and secondary metabolites production were studied .

研究了不同的有机相添加比例与加入时间对细胞生长、次生产物代谢的影响；

Recycling of Secondary Materials Production Practice in the Third Steel Plant of Jigang Group Co. , Ltd a refinery for sugar .

济钢三炼钢二次物料循环利用生产实践一种提炼糖的精炼厂。

Plant tissue culture is generally used for rapid propagation of plants , detoxification , breeding and germplasm conservation , secondary metabolite production and basic theoretical research .

植物组织培养一般可用于植物的快速繁殖、脱毒、育种及种质资源的保存、次生代谢产物生产和基础理论研究等。

With the development of science and technology , more knowledge about the growth of edible mushroom mycelium and secondary metabolites production during submerged culture has been obtained .

随着科学技术的不断发展，人们对食用菌在液体环境条件下菌丝体生长和产物产出的认识进一步深入，食用菌液体深层发酵的研究出现了许多新的热点。

The spatial distribution of PM10 has close relation to the source emission and is affected by the secondary aerosol production from photochemical reactions around noon .

傍晚前后往往是一天中浓度最低的时段。PM10的空间分布与源排放关系密切，中午前后的空间分布会体现出光化学反应对其二次生成作用的影响。

Our study will exploit a new way for mass production and secondary metabolites production of Chinese traditional medicine , which is of great significance for the development of Chinese pharmacy and its modernization .

本课题的研究将为中药材的大规模培养生产开拓另一途径，也为获得其有效的次生代谢产物提供一种新方法，对我国中药产业的发展以及中药现代化具有极其重要的意义。

The callus of Eucommia ulmoides was used to study the effect of inoculum amount , culture time and times of subculture on callus growth and secondary metabolites production .

以杜仲愈伤组织为材料，研究了不同接种量及培养时间、不同来源的愈伤组织及其继代次数对愈伤组织生长和次生代谢产物含量的影响。

Method : Effects of sucrose concentrations , medium pH , inoculum size and plant growth regulators on adventitious root growth and secondary metabolites production in S. miltiorrhiza were investigated .

方法：考察了蔗糖质量浓度、培养基pH、接种、植物生长物质等影响因子对丹参不定根的生长及其次生代谢产物含量的影响。

Now the secondary metabolite production directly from the extraction plants of Astragalus . However , one of the major obstacles is the low yield of plant secondary metabolites in Astragulus .

现在黄芪次生代谢产物的生产主要来源于植物材料的直接浸提，但植物次生代谢产物的低产量一直是一个很难解决的重要问题。

Effects of pulsed electric field ( PEF ) on the growth and secondary metabolite production by plant cell culture were investigated by taking suspension cultures of Taxus chinensis as a model system .

本文以中国红豆杉细胞为植物细胞模型，研究了脉冲电场对细胞生长和次生代谢物积累的影响。

Results and conclusion : Studies on the characteristics of cultured cell indicated that an inverse relationship between growth and secondary metabolite production since the highest levels of secondary compounds were reached during the stationary phase .

结果：野葛细胞培养过程中异黄酮及葛根素含量随细胞生长逐渐积累，在细胞生长静止期含量最高，次生代谢物与细胞生长呈负相关。

Puerarin content in hairy roots harboring ags gene was lower than that in those without ags gene , suggesting that the detriment of ags gene to secondary metabolite production .

含有ags基因的毛状根葛根素含量低于不含ags基因的毛状根葛根素含量，表明ags基因不利于次生代谢物合成。

Today , plant cell culture technology is considered as one of the most promising methods for plant secondary metabolites production . Elicitation can effectively improve the synthesis of secondary metabolites . Given the convenience , economy and effectiveness , elicitation has been widely studied and utilized .

利用悬浮培养植物细胞技术生产次生代谢产物是目前最有前景的研究方向之一，而诱导能有效促进次生代谢产物合成，并以其便利性、经济性和高效性得到了广泛的研究和应用。

The paper was introduction the N-Tallow-1,3-diaminopropane of secondary amines and production process and application .

本文介绍了N-烷基-1，3-丙撑二胺的反应原理、生产工艺及其应用。