According to importance of ecosystem services , the function of fixing carbon and releasing oxygen is the most important , the function of conditioning climate is the second , and the functions of keeping waterhead , preserving soil , purifying environment , and restraining noises are also important 依据重要性，由大到小依次为固碳释氧功能、调节气候功能、涵养水源功能、保持土壤功能、净化空气功能与减弱噪声功能。
Under applying k 200mg / kg , k fixation capacity of four soils strengthened with drying and wetting cycle and temperature increasing , so , the availability weakened . in general , capacities of fixing potassium of soils in turns were : heir lu soil > lou soil > loessial soil > aeolian sandy soil 在施钾量为200mg kg的情况下，干湿交替对四种土壤钾的有效性影响程度由大到小依次为：土娄土、黑垆土、黄绵土、风沙土。
But , because of different competitive power , the most beneficial industry is sick industry , then followed by costume industry , cotton textile industry , woolen textile industry and liner fabrics industry due to the technology and scale , the competition may bring some negation effect 但从分行业来看，由于各子行业的竞争力不同，加入wto受益由大到小依次是丝绸和服装行业、绵纺织业、毛纺织、麻纺织，由于技术和规模等原因可能有负面影响。
4 . these three variables , learning strategy , non - intelligence factor and priorknowledge , can cause direct effects on their achievements ; the first one is priorkowledge , the secongd non - intelligencefactor and the last one is learning strategy according to the degree of the influence caused by them 学习策略、非智力因素、原有知识三个变量对学业不良生的学业成就分别产生显著的直接效应，其影响程度由大到小依次为：原有知识、非智力因素、学习策略。
V . among obstructive sub - factors about agricultural technology extension system , what countryside social work organize is n ' t perfect plays the greatest role , followed successively by what agricultural technology extension system is n ' t normal , what the agricultural technology extension work manages chaos 5 、农业技术推广体系的子障碍因子，按影响程度由大到小依次排序为：乡以下社会化服务组织不健全农业技术推广站体系不健全农业技术推广工作管理混乱。
Vi . among obstructive sub - factors about macro stimulated system , what government outlay ca n ' t stay up plays the greatest role , followed successively by what government is short of policy , what government is short of infrastructure , what agricultural scientific research institution , technology extension and agricultural education ca n ' t assort with each other . vii 6 、政府宏观调控机制的子障碍因子，按影响程度由大到小依次排序为：国家的经费支持力度不够国家缺乏有效的法律保障体系国家缺乏发展政策国家缺乏规范、规模的基础性设施投入农业科研、推广、教育缺乏统一的协调机构。
Meanwhile , the importance of different ecosystem services in urban areas is different . the function of fixing carbon and releasing oxygen is the most important , the function of conditioning climate is the second , and the functions of keeping waterhead , preserving soil , purifying environment , and restraining noises are the last important 同时，城市生态系统各生态服务功能的重要性，由大到小依次为固碳释氧功能调节气候功能涵养水源功能保持土壤功能净化空气功能与减弱噪声功能。
Meanwhile the income difference between urban and rural people since 1978 is discussed . finally , it is concluded that main key factor to farm ' s income growth is agriculture production ability which is take effect on farm ' s income through technological innovation and institution development ; the non - agriculture income ' s contribution exceed agriculture income ' s to farm ' s income in the 1990 ' s ; the size of distribution difference of income is widen . in the end the paper provides corresponding countermeasures in view of the problems , it is essential to invest more money on agriculture science and technology , innovate land institution , transfer more surplus labor to urban , strengthen rural infrastructure , educate farms and control the widening distribution difference of income 研究的主要结论是：在1978 ? 2000年江苏省农民收入增长中贡献由大到小的顺序是农业生产能力、农村剩余劳动力转移、农产品价格、农业基础建设投资，而农业生产能力主要是通过技术进步和制度创新对农民收入起作用，产业结构调整对农民收入具有积极作用；从收入来源对总收入的贡献看，在80年代家庭经营收入对总收入贡献大于工资性收入，农业收入贡献超过非农收入的贡献；而90年代，情况恰好相反，工资性收入对总收入的贡献大大超过家庭经营收入，非农收入贡献大于农业收入对总收入的贡献。
Among obstructive sub - factors about farmer , what the agricultural comparative benefits is lower plays the greatest role , followed successively by what farmer ' s educational level is low , what farmer " income is low , what agricultural creative scale is little , what agricultural insurance is n ' t perfect , what farmer has n ' t enough information , what the quality of agricultural sci - tech achievements is poor , what farmer " thought is old fashioned , what farmer would n ' t afford the agricultural sci - tech achievements 2 、农民方面的子障碍因子，按影响程度由大到小依次排序为：农业比较利益偏低农民科技文化素质低农民收入偏低农业生产规模小农业科技保险工作不完善农民信息不灵存在一些假冒伪劣农技成果农民思想保守农民不愿有偿使用农业科技成果。
The algae removing rate of four algaecides increased with dose increasing , and the sequence of four algaecides " removing rate on algae from high to low were potassium permanganate , sodium hypochlorite or copper sulfate and hydrogen peroxide . the suitable contact time of four algaecides was also given . the paper compared with the rate of algae removal by any one of three algaecides for two source water 结果表明，实验期间，引黄水中藻类绝大多数为硅藻，优势藻属为硅藻门的直链藻属，占藻类总数的78 94 ；四种杀藻剂的藻类去除率随杀藻剂投加量的增加而提高，实验条件下，四种杀藻剂的藻类去除率由大到小依次为：高锰酸钾次氯酸钠或硫酸铜过氧化氢。
