It has its geographic boundaries , within which the different components of the industry interact with one another as a consolidated system . as destinations are extremely sensitive to any internal and external changes , crisis management is of great importance to the improvement of the anti - disaster ability and enhancement of the image of a safe travel destination 而旅游地是旅游活动的承载体，是一种因为人们的旅游活动使得组织内的各元素形成一种互动关系的系统综合体，它具有一定的地域范围，对任何来自外部和内部的变化都非常敏感。
Using cd , cu , zn and cr as experimental toxicants and crucian as experimental creature , we employed the environmental biotechniques ( flame atomic absorption spectrophotometry , the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure . through which , we intended to fully and systemically study the toxic influence of heavy metals to fish , and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual , organ , tissue , cell and molecule . thus we tried to provide scientific evidence to establish preventative management measures , avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time 随后以这几种重金属作为实验毒物，以鲫鱼为实验动物，应用环境生物技术、火焰原子吸收分光光度法、邻苯三酚自氧化法、透射电镜等技术研究了重金属cu 、 zn 、 cd和cr对鲫鱼的急性毒性及其安全浓度评价、混合重金属在鲫鱼幼体组织内的积累和分布、 cd对鲫鱼鳃和肝脏中sod活性的影响、 cd对鲫鱼肝细胞和肾细胞超微结构的影响等，全面和系统地研究了水环境中重金属暴露对鱼类的毒性影响，初步探讨了重金属污染对鱼类的个体? ?器官? ?组织? ?细胞? ?分子等各水平层次的影响，为制定渔业生产上预防性的管理措施提供科学依据，及时避免或减轻重金属污染对水生生态系统造成的损害。
The organization shall appoint a member of top management ( e . g . in a larger organization , a board or executie committee member ) with particular responsibility for ensuring that the oh & s management system is properly implemented and performing to requirements in all locations and spheres of operation within the organization 组织应在最高管理层任命一名成员（如：某大组织内的董事会或执委会成员）承担特定职责，以确保职业健康安全管理体系的正确实施，及完成组织所有岗位和运行范围的各项要求。
I am convinced that the g8 will be able to consolidate international efforts in dealing with such emergencies and give a strong impetus to multilateral interaction in this area . of course , the g8 should continue to promote scientific capacity - building and pool together intellectual and material resources of the world community for the development of new safe vaccines and promising highly sensitive means to diagnose infectious diseases , as well as for the implementation of education and prevention programmes 中俄重视上海合作组织各成员国之间和双方在组织内的相互协作，愿以“互信、互利、平等、协作、尊重多样文明、谋求共同发展”的“上海精神”为指导，与其他成员国一道继续共同努力，推动组织不断向前发展，为地区及世界的和平与发展事业作出更大贡献。
Then in the dissertation their functions and influences on the relationship between the leading enterprise ( the main actor of the agricultural industrialization ) and farmers are discussed respectively . it analyzes the relationship between the leading enterprise and farmers from the aspect of system . last , the dissertation analyzes the reality of the development of the organization model of the agricultural industrialization in china to find out the essential of the relationship between the leading enterprise and farmers , draw the conclusions and offer some proposals 论文首先对组织间的分工和组织内的资源配置进行了区分，分别讨论它们对农业产业化经营主体? ?龙头企业与农户关系的影响作用，进而从制度层面进行龙头企业与农户关系规制分析，最后对中国农业产业化经营组织模式的演进进行现实分析，进一步揭示龙头企业与农户关系的实质，最终得出结论和建议。
