1.
Producer The first TROPHIC LEVEL, in a food chain.
生产者：食物链中第一个营养级。
2.
A group of organisms that occupy the same position in a food chain.
营养层次，营养级在食物链中居于同一地位的一群生物
3.
"because energy, in the form of heat, is lost at each step, or trophic level, chains do not normally encompass more than four or five trophic levels. "
由于能量以热的形式在每个阶段(或营养级)中都有损失,因此食物链一般不超过四或五个营养级。
4.
Food, food chains, food-webs and trophic levels consist of a system, termed the“ food system”.
食物、物链、物网以及由此构成的营养级组成“食物系统”。
5.
Study on feeding habit and nutrient level of Portunus argentatus, P.sanguinolentus and Charybdis feriatu in Fujian sea area
福建海区拥剑梭子蟹、红星梭子蟹和锈斑?的食性与营养级研究
6.
Ecological Studies on the Food Web Structures and Trophic Relationships of Freshwater Lakes in China Using Stable Carbon and Nitrogen Isotopes;
应用碳、氮稳定性同位素探讨淡水湖泊的食物网结构和营养级关系
7.
The 'Superstar' Nutrient
营养素中的“超级明星”
8.
Rapid Assessment Procedures for Nutrition and Primary Care
营养和初级保健快速评价程序
9.
Metabolic Model of Plankton Communities in Eutrophication Classification in The Waters of Shanghai
上海水体营养分级的群落代谢率模型
10.
Study on the Eutrophication Trend in the Tributary of Three Gorges Reservoir Region;
三峡库区次级河流富营养化趋势研究
11.
MODERN ANIMAL PRODUCTION INDUSTRY CALLS FOR ADVANCED TALENTS IN MARKETING;
现代养殖业召唤养殖业市场营销高级专业人才
12.
Global Solutions for the Tritrophic Food-Chain Model with Cross-Diffusion;
三级营养食物链交错扩散模型的整体解
13.
Efficacy of Nutrition Education Implemented among Primary School Students in Jinan;
济南市3所小学四年级学生营养教育效果评价
14.
Response of Classified Chlorophyll to Changes of Concentrations of Nutrients in Bohai Bay
渤海湾分级叶绿素对营养盐浓度变化的响应
15.
Overcoming the Trouble of Old-age Insurance Existing in Private Enterprises of County-level Cities
县级城市民营企业养老保险的困境与超越
16.
The Response of Size Fraction Phytoplankton to Nitrogen and Phosphorous
不同粒级浮游植物对氮磷营养盐的响应
17.
An Analysis of the Correlation between Disease Severity Grading and the Nutritional Status of Patients with Chronic Obstructive Pulmonary Disease
COPD患者病情分级与营养状况的相关性分析
18.
Discussion on the Eutrophication and Ecological Engineering Technologies for Secondary Rivers in the Three-Gorge Reservoir
三峡库区次级河流富营养化及其生态治理