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The study is carried out that the comparison of fine root production, decomposition and distribution along with Korean pine and broad-leaved climax forest succession; the fine root contribution to the belowground C and N storage along with Korean pine and broad-leaved climax forest succession; and the comparison of belowground C and N storage among the Korean pine and broad-leaved climax forest, three dark-conifer forests, a betula ermanii forest along altitude.

研究内容包括:原始阔叶红松林及其不同演替阶段的次生林中细根的生长和周转、分解与分布的特征,阐明在不同演替阶段细根的变化;原始阔叶红松林及其不同演替阶段的次生林中细根对根系、土壤和林地地下的、氮贮量的影响,分析在不同演替阶段细根周转对地下、氮贮量的贡献;以及对不同垂直海拔高度分布的不同类型的原始森林中细根和根系生物量的变化,及细根对根系、土壤和林地地下、氮贮量的贡献进行了研究。

One method of preparation new membrane materials was presented with putting multi-wall carbon nanotube and carboxylic multi-wall carbon nanotube in collodion solution.

分别将纳米管和羧基化纳米管均匀分散在火棉胶溶液中,采用流涎法制备出纳米管复合膜;并用分光光度法对样液、滤液中的间苯二酚和茜素红的吸光度进行了对比测定,以考察膜的吸附性能。

One method of preparation new membrane materials was presented with putting multi-wall carbon nanotube and carboxylic multi-wall carbon nanotube in collodion solution. Carbon nanotubes complex filtering membranes can be obtained by salivate method. Resorcin and alizarin red can be percolated using new membrane individually.

分别将纳米管和羟基化纳米管均匀分散在火棉胶溶液中,采用流涎法制备出纳米管复合膜;并用分光光度法对样液、滤液中的间苯二酚和茜素红的吸光度进行了对比测定,以考察膜的吸附性能。

The rate and limits of the decarburization reaction of FeO dissolved in CaO-SiO2-Al2O3 slag and Fe-C droplets have been studied.

对CaO-SiO2-Al2O3-FeO熔渣体系与铁金属颗粒反应的脱反应速率及脱反应限度进行了研究。

Base on study for increasing decarburize velocity in the state and word , founding a mathematics model of decarburizing in RH equipment through practice of operation and experimentation. Applying the model calculation, obtain reasonable process parameters of management and status of hot metal before management of decarbonization using RH—MFB equipment.

在借鉴国内外为提高RH脱速度的研究成果基础上,结合攀钢RH—MFB的实际及前期IF钢试验情况,建立了RH脱数学模型,通过计算提出了攀钢RH-MFB处理超低IF钢较合理的来钢条件及处理过程工艺参数。

Produced silicon carbide composite Deoxidizer near ten series of products, including specifications, is based on carbon and silicon covalent bond mainly a combination of compounds, non-oxide material in the smelting converter part and the part of low carbon steel alloy the process of substitution of steel by carbon ferrosilicon and carried out on molten steel deoxidation and carbon use.

公司生产的复合型化硅脱氧剂系列产品包括近十个规格,是以和硅为共价键为主结合而成的化合物,属非氧化物原料在转炉冶炼普钢部分及部分低合金钢过程中替代硅铁和增剂对钢水进行脱氧和增使用。

In order to use carbon nanotubes in composites to improve the characteristics mechanical, thermal, electrical, etc of conventional materials, two important issues need to be carefully addressed: the dispersion of CNTs within the matrix, and the interface between the nanotubes and the material.

利用纳米管增强复合材料的性能,有两个关键问题需要解决:纳米管在基质材料中的分散问题,以及纳米管和材料之间界面的问题。

In Chapter Ⅰ, based on the helical and rotational symmetries of nanotubes we study the energy dispersion relations and electronic wave functions.

第一章,基于管的螺旋和旋转对称性,研究了管的能带结构,得到了管的能量色散关系及电子波函数。

The transition metal catalysis reduction, hydride reagents reduction, sodium dithionite reduction and bioreduction ware discussed.

综述了近年来α,β-不饱和羰基化合物α,β-双键和氧双键的选择还原研究进展,讨论了过渡金属催化还原、氢化试剂还原、连三亚硫酸钠还原以及生物还原。

Having been assigned its carbon quota, each nation would divide up part of it equally among its citizens, who could use it to buy energy or trade it among themselves.

每个国家都有其配额,这个配额在该国公民中平等分配,公民可以用自己的配额买能源或者进行贸易。

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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。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。