trophic
Producer The first TROPHIC LEVEL, in a food chain.
生产者：食物链中第一个营养级。
These microscopic organisms are assigned a trophic level (TL) of 1.
这些微生物的营养级为1。
Conclusion:CNTF is of trophic functio n on muscle cells in culture.
结论:CNTF对体外骨骼肌细胞具有营养作用。
Neurons are the basic structural, functional, trophic and genetic units of the nervous system.
神经元是神经系统结构、机能、营养及遗传的基本单位。
Trophic niche of flea in the southern slope of the Himalaya Mountains.
喜马拉雅山南坡蚤类营养生态位的研究。
Also the plasmutocyte is divided into trophic nucleus hematocyte and micronuclei hematocyte.
其中浆血胞可分为大核浆血胞和小核浆血胞两种。
The next best way to quantify the amount of protoplasm in each trophic level is to weigh it.
确定每一个营养阶层原生质总量的第二个好办法是称重。
The smrvival of neurons in vitro is an important indcx to evalutate thc trophic effect of neurotrophic factors (NTFs).
神经元在体外的存活是衡量一种营养因子有无神经营养作用的重要指标之一。
Reviews on the trophic modes and factors affecting photosynthesis of Spirulina was made.
摘要本文就螺旋藻的营养方式及光合作用的影响因素作了较为全面的综述。
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”。
Effects of volatiles from different trophic level on foraging behavior of Aphidius avenae.
不同营养层次挥发物对燕麦蚜茧蜂寄主搜寻行为的影响。
CAN STABLE ISOTOPE RATIOS PROVIDE FOR COMMUNITY-WIDE MEASURES OF TROPHIC STRUCTURE?
稳定性同位素与群落营养结构?
Accumulation and biodegradation of anthracene by Chlorella protothecoides under different trophic conditions.
不同营养条件下原始小球藻对蒽的富集和降解研究。
The trophic state in Hedi reservoir was evaluated on the basis of TSI and other methods.
还用TSI等富营养指标对鹤地水库不同季节和位点的水质进行了富营养化评价。
Whether trophic function of taurine can antagonize neurotoxicity of manganese and whether the nutrition i...
本文从细胞凋亡方面对锰、牛磺酸对其影响予以综述。
The milkfish pond system is composed of limited trophic components and operated by simple food chains.
虱目鱼养殖 池可视为一封闭、完整的生态系，由单纯的生物及食物链所组成。
The water eutrophication in Shahu Lake was evaluated comprehensively by using trophic status index in this paper.
摘要本文采用营养状态指数法对沙湖营养状况进行综合评价。
This results in an increasing concentration of insecticide in organisms at the higher trophic levels.
这就导致在更高营养级上的有机体中，农药的浓度增加。
The concentration of TP was consistent with the trophic state of the reservoirs.
水库普遍存在磷限制现象,且枯水期的磷限制现象更为严重。
Abstract： Caloric value of various layers trophic organs shows: leaf>branch>stem>root.
摘 要： 青冈种群各层次器官热值均表现为：叶>枝>干>根。
The hydrothermal processing greatly influences the trophic Structure and the dewaterability of the wastes.
说明湿热处理对餐厨垃圾的营养结构和脱水性能具有较大影响。
Caloric values of various trophic organ are different with various diameter-classes of the population.
各径级样木各器官的热值随径级不同而出现差异。
A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism.
生产者，自养有机体构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌；自养有机体
Finally, the trophodynamics and pharmacokinetics of DDTs, HCB and PAHs were also investigated in this food web and the high trophic level animals.
在对二恶英类物质研究的同时，本研究调查了有机氯、六氯苯和多环芳烃类物质的食物网传递行为和高等生物体内的毒理动力学过程，得到了这些物质的食物网放大系数和代谢速率。
Recurrent branch trophic artery mainly came from the concaved side of the superficial palmar ach(called originate artery).
返支营养动脉主要发自掌浅弓凹侧筋膜支(称之来源动脉)。
Ecology A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism.
生产者，自养有机体：构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌；自养有机体
Both the index of food percentage similarity and the overlap of trophic niches between breeding period and post breeding period were lower.
繁殖期和繁殖后的食物百分率相似性指数及营养生态位重叠值小，而食物百分率相异性及营养生态位分离值大。
Aim: To study the direct trophic function of CNTF on muscle, and to exp lor new methods for nerve-muscle injury and retrogression.
目的:探讨睫状神经营养因子（CNTF）对骨骼肌细胞的直接营养作用，从而为神经肌肉系统损伤和退行性病变的治疗提供新的思路。
The percentage of usable chemical energy transferred as biomass from one trophic level to the next is called ecological efficiency .
当生物量从一个营养水准到下一个叫做生态的效率时，可使用化学的能源的百分比转移。
A photosynthetic green plant or chemosynthetic bacterium,constituting the first trophic level in a food chain;an autotrophic organism.
生产者，自养有机体构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌;自养有机体
The most abundant and well-characterized factors in colostrum are nonpeptide trophic factors,hormones,cytokines,growth factors,epiderma.
初乳不同于常乳,它是哺乳动物为自己的后代准备的第一份食品。
Firstly, Lake Taihu is located in floodplain of the middle and lower reaches of the Yangtze River with high trophic history.
由于水浅和沉水植被的退化使得频繁的风浪扰动造成内源营养盐负荷维持在一个非常高的水平；
Small mammals and soil animals are key links of trophic chains in terrestrial eco-systems, and play very important roles in bio-indicative studies.
小型哺乳动物和土壤动物是陆地生态系统食物链中重要环节,在生物指示研究中具有十分重要的作用。
At each link in this food chain we can recognize three pathways to the next trophic level: decomposition, parasitism and predation.
在这种食物链的每一个连接，我们能够辨别出通向下一个营养级的三条途径：分解、寄生和捕食。
Ecologists assign every organism in an ecosystem to a feeding level,or trophic level,depending on its source of food or nutrients.
生态学家分配在生态系的每个有机体到一个哺养的水平或者食性层次，根据它的食物或营养素的来源。
This paper described the trophic value, healthy function of figs and the meaning of prod uct development,and some deeply fabricated products of figs as well.
阐述无花果的营养价值、保健功能和产品开发的意义，同时介绍几种深加工的产品。
This paper investigated the trophic state of mirror lake. It shows that DO is abundant and BOD5,COD,TP,TN,Chla are very high in comparison with the standard value for water.
对镜湖水质富营养化的研究结果表明 ,镜湖水体溶氧丰富 ,五日生化需氧量 (BOD5)、化学需氧量 (COD)、总磷 (TP)、总氮 (TN)、叶绿素a(Chla)严重超标。
Birds are positioned at high trophic level within the food web in the ecosystem, and thus any changes within the system can affect the birds in one way or another.
鸟类在生态系统中处于较高的营养级，生态系统中住何一个环节的变化都可能对鸟类造成一定的影响。
The paper introduces the principle and procedure of Grey clustering method,and applies the Grey clustering method for The Evaluation of Trophic Types for Shanzi Reservoir.
介绍灰色聚类法的原理和步骤,并且进一步通过应用灰色聚类法对山仔水库富营养类型进行评价。
Based on the food habit of the breeding population of Bufo raddei, the food diversity and trophic niche were studied in Changchun, Jilin province in 1995 from April to May.
作者于1995年4-5月份在长春市调查了花背蟾蜍繁殖种群不同繁殖时期的食性，并通过食物多样性和营养生态位对食性变化进行了分析。
The more trophic levels there are in a food chain or web, the greater is the cumulative loss of usable chemcial energy as it flows through the trophic levels.
当它流过营养水准时，在一个食物链或网中营养水准愈高，可使用化学的能源累积的损失也愈多。
The diet or water supplemented physiologic amounts boron would have trophic action on animals,but the high-dose boron would have adversary effect or even toxic action.
生理量硼对动物具有营养作用,高剂量硼则有不利影响,甚至具有毒性作用。
Conclusion: the results indicated that rhGH can improve trophic level, accelerate rehabilitation speed and shorten length of stay for patient after hepatobiliary surgery.
结论：肝胆外科手术后加用生长激素能提高患者营养水平，加快患者康复速度，缩短住院时间。
Neurogenesis biology definition and value were briefly described. Influences of age, environment, trophic factors and pathologies on Neurogenesis were discussed.
摘要简述了神经发生的生物学内涵和意义，着重概述了年龄、环境、神经营养因子和病理等因素对神经发生的影响。
Trophic level In complex natural communities, organisms whose food is obtained from plants by the same number of steps are said to belong to the same trophic or energy level.
营养水平：在自然界复杂的生物圈中，有机体以植物为基础一层层获得食物，其经历得层次数即为该有机体的营养水平。
To the same trophic organ and the same diameter-class of seeding's caloric value is greater than that of coppice, and the difference decreases with increasing diameter-classes.
实生与萌生样木相同径级相同器官的热值也有所不同。实生样木各径级各器官的热值均大于萌生样木，且随着径级的增大差异减少。
According to the feeding type, we can divide fish species into benthic feeders and pelagic feeders.The activity in pelagic feeders increases with the increase of trophic level.
若将鱼种依食性分为底栖掠食及上层掠食之鱼种，则上层掠食之鱼种其体内之活性随营养阶层增加而增加。
These results show BDNF and NT3 are trophic factors of SGNs.Foregin genes mediated by recombinant adenovirus can be effectively transduced and expressed into the SGNs.
这一结果说明BDNF和NT3是听神经元的有效营养因子 ,通过腺病毒的介导外源基因可有效的转染培养的听神经元。
Methods Twelve patients (12 eyes) with traumatic optic neuropathy were treated with high-dose corticosteroids , dehydrating agent, dilating blood vessel and trophic optic nerve .
方法 视神经间接损伤 12例，采用大剂量皮质类固醇、脱水剂、扩血管及视神经营养药物综合治疗。
It is highly expressed in the liver and steroidogenic cells where its expression is regulated by various trophic hormones,cholesterol,dietary elements and so on.
该受体介导高密度脂蛋白-胆固醇酯的选择性吸收，是调节胆固醇逆转运的唯一靶点，在高密度脂蛋白代谢和胆固醇运输中起重要作用。