营养作用

When these parameters surpass a certain value, the system cannot appear the limitcycle. Through the various parameters\' changing, it demonstrates the forming process of the dissipative structure. Thus it show the dissipative structure\'s characteristic of the trophodynamics predation model and point out the ecological significance of the various parameters in the model.On the fourth chapter, the spruce aphides and its predator model is a predator model.

第四章，以两个捕食者作用于同一食饵的竞争关系模型为例，应用微分方程定性理论，对捕食模型中存在极限环的情况进行了讨论，用MATLAB在相平面上模拟出系统的极限环，此时该体系状态的发展呈现周期振荡趋势，从而揭示出营养动力学为基础的捕食模型耗散结构特征。

Food companies have taken to trumpeting the supposed health and nutritional benefits of their products for obvious reasons.

食品生产企业大肆宣传其产品的保健作用和营养功效，其动机显而易见。

Studies on ultrastructure indicate that the follicular cells have the function to filter the extraneous substances, and they can also synthesize some vitellin materials toprovide nourishment which is needed by the development of the oocytc.

超微结构研究表明，滤泡上皮细胞除具筛选物质的作用外，还可合成某些卵黄物质，为卵母细胞的发育提供营养。

There were soluble trophic molecules with relative molecular weight larger than 30 000 for survival and neurite growth of FMN cultures in media with SC-CMCs derived from facial and sciatic nerves of neonatal rats and with SC-CMCs derived from Wallerian degenerating facial and sciatic nerves of adult rats. It might be reasonable to choose SC from sciatic nerves of rats on account of the findings from SC cultures on facial motoneurons.

面神经和坐骨神经SC-CMC中含有促FMN存活、生长的蛋白或多肽，相对分子质量大于30 000，其活性作用与使用的蛋白浓度有关；在研究SC分泌物对FMN营养活性作用时，可考虑选择坐骨神经SC。

Desiccated liver have been marketed as nutritional supplements for over a century.

干的肝粉末被用作营养补充剂己有很多年，它是主要作血红素铁质的来源，或有补血的作用。

However, the application of NGF to heal the disease in the nerve centre system is inhibited by its instability in human body, especially by its own structural property which makes NGF hard to penetrate blood brain barrier.

大分子肽类药神经生长因子，对神经的营养和再生作用确切，但因其在体内稳定性差，尤其是难以通过血脑屏障，限制了它对中枢神经系统的应用。

It contains natural plant essence and rich nutrient content, and plays functions of deep skin-care as well as activating celluars; it complements moisture content and nutrient that eyes need daily quickly, and eases dryness and sag of eye area; it desalts tiny wrinkles, black ring around eye, pouch.

蕴涵天然植物精华及丰富营养成分，发挥深层护肤及活化细胞的功效；能迅速补充眼部肌肤每天所需的水分与养分，并有效缓解眼部肌肤干燥及松弛现象；对于细小皱纹、黑眼圈、眼袋有减少淡化作用。

It contains natural plant essence and rich nutrient content and plays functions of deep skin-care as well as activating celluars; it complements moisture content and nutrient that eyes need daily quickly and eases dryness and sag of eye area; it desalts tiny wrinkles black ring around eye pouch.

蕴涵自然植物精华及丰富营养成分，发挥深层护肤及活化细胞的功效；能迅奄补充眼部肌肤每天所需的水分与养分，并有效缓解眼部肌肤干燥及松弛现象；对于细小皱纹、黑眼圈、眼袋有减少淡化作用。

Poor blood supply of planting areas or long revascularization would result in nutrition deficiency of the seed cells grow on the scaffold,which leads to disorders in cell metabolism,proliferation,differentiation and secretion, at last, devitalizing of the cells.

若植入区血供不良或植入物血管化过程较长，附着在支架上的种子细胞可因缺乏营养而出现代谢紊乱，细胞增殖、分化及分泌功能受损甚至死亡，使得骨沉积作用不能有效替代降解的生物材料。

anp which widely secreted in newborns evacuates overhydration by natriueresis. consequently increases functions of all tissues and organs to adapt to the new environment.

围产新生儿分泌大量糖尿病的营养治疗的生理作用是通过排钠利尿，消除过多体液，主导器官功能增强和转化，实现胎儿向新生儿转变。

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。