We suggest that new technologies such as the c and n isotope technique for nutrient cycling and the image analysis approaches for soil micro - structure should be applied on earthworm ecological research in order to better understand the functions of earthworms 其他新技术如研究养分循环的碳氮同位素分析和揭示土壤微结构的图像分析等技术的应用是蚯蚓生态功能研究的迫切需要。
In searching for nutrient factors that could increase the growth of strain ag , experiment were made and conclusion were as follows . among the organic carbon sources , 2 . 0g . l ~ glucose obviously stimulated the growth of strain a9 在摸索化学因子对螺旋藻生长的影响中，试验结果显示有机碳氮源对螺旋藻生长影响为：在所提供的有机碳源中， 2 . 0g ? l ~ ( - 1 )的葡萄糖能显著地促进螺旋藻的生长。
In this article , we would explore the carbon - nitrogen interactions in terms of distributions carbon and nitrogen reservoirs of tissues , the effects of carbohydrates on nitrogen uptake , and the effects between assimilation and metabolism of carbon and nitrogen 本文将就植物体内碳氮储藏库于各个器官间之分配情形、碳水化合物对氮吸收之影响，以及碳与氮同化与代谢之相互影响等方面，探讨碳与氮之交互作用。
The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification . however , soil microbial biomass c : n ratio increased with the increasing of heavy metals level 几种生化作用强度的下降顺序为硝化作用固氮作用纤维素分解强度氨化作用；但土壤微生物生物量碳氮比则随着重金属污染水平的升高而增加。
The properties of cn thin films such as their morphology , component , crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed , showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique , , the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed . the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process , based on this the growth mode of cn thin films on the si substrate is proposed . the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted , which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate 采用pld技术进行了碳氮化合物薄膜沉积，得到了含氮量为21at的cn薄膜；研究了衬底温度和反应气体压强对薄膜结构特性的影响，给出了cn薄膜中n含量较小、 sp ~ 3键合结构成分较少和薄膜中仅含有局域cn晶体的原因；引入脉冲辉光放电等离子体增强pld的气相反应，给出了提高薄膜晶态sp ~ 3键合结构成分和薄膜的含n量可行性途径；应用pe - cvd技术以ch _ 4 + n _ 2为反应气体并引入辅助气体h _ 2 ，得到了含n量为56at的晶态cn薄膜；探讨了cn薄膜形貌、成分、晶体结构、价键状态等特性及其与气体压强和放电电流的关系，证明了- c _ 3n _ 4薄膜沉积为满足动力学平衡条件的各种反应过程的竞争结果；采用光学发射谱技术对cn薄膜生长过程进行了实时诊断，得到了实验参量对等离子体中活性粒子相对浓度和气相反应过程的影响规律，给出了cn薄膜沉积的主要反应前驱物，揭示了cn薄膜特性和等离子体内反应过程之间的联系；采用高气压pe - pld技术研究了不同衬底温度条件下cn化合物薄膜的结构特性，揭示了si原子对薄膜生长过程的影响，给出了si基表面碳氮薄膜的生长模式；在金刚石研磨和催化剂fe处理的si衬底上进行cn薄膜沉积，证明了通过控制材料表面动力学条件可以改变碳氮薄膜结构特性，并可显著提高晶态碳氮材料的生长速率。
This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle , meanwhile , uncertainties of terrestrial nitrogen cycle were discussed . the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone . the global organic nitrogen storage was estimate by the c / n ratio Post等按照不同生物带比较全面的估算了全球各种生态系统类型的土壤碳氮密度和含量， mcelroy等利用土壤有机碳储量和碳氮比来估算了全球土壤有机氮储量。
Cdpks play important roles in plant calcium signal transduction . there is increasing evidence that cdpks participate in c / n metabolism , transmembrane transport of ion and water , cytoskeletal regulation , stomatal movement regulation , growth and development regulation and biotic and abiotic stress responses in plants Cdpks在植物钙信号转导中具有重要的作用，越来越多的证据表明，在植物碳氮代谢、离子和水分跨膜运输、细胞骨架调节、气孔运动调节、生长发育调节以及生物和非生物胁迫应答反应中均有cdpks的参与。
The current studies focus in developing multi - scale data - model fusion approaches and new generation of ecosystem models for simulating cross - scale interactions , understanding and quantifying impacts of climate and land use changes on terrestrial ecosystem productivity and water , carbon and nitrogen cycles , and assessing changes in ecosystems services , carrying capacity and sustainability 目前的研究工作集中于：发展多尺度的数据模型融合方法，建立能够进行跨尺度机理模拟的新一代生态系统模型；认识气候和土地利用变化对区域和全国陆地生态系统生产力和水碳氮循环变化的影响；评估生态系统服务功能、承载能力和可持续发展能力。
Cnx coating provided a comparable to or better surface than dlc for the normal cellular attachment , growth and morp hology . compared with dlc , cnx coating also exhibited higher hardness , lower coefficient of friction , lower roughness , and lower corrosion , which obviously contributed to more sp3c structure and indicated a longer wear and corrosion life for cnx coating 本试验中所制备的碳氮薄膜和类金刚石薄膜都具有很好的光洁度，但cn膜表面的针状突起少于dlc膜表面，整体更加匀实光滑，三种薄膜的硬度和拉伸强度都很高，显示出良好的机械性能和很低的摩擦系数。
Among inorganic salts tested , k2hpo4was more essential to the sclerotia formation and carotenogenesis of strain pt9s than kcl , mgso4 or feso4 it was also shown that the combination of k2hpo4 , kcl and mgso4 could produce the best positive cooperation and give the highest sclerotia biomass ( 782mg / plate ) and pigment yield ( 328 g / plate ) . all of five carbon sources , i . . e 4 .研究了无机盐和碳氮源对青霉pt95菌株菌核生物量和类胡萝卜素产率的影响作用，结果表明:供试的4种无机盐中， kzhpo ;的单因子效应最好; kzhpo4 + kci + mgs04表现出最好的正协同效应。
