Abstract : comprehensive measuring and testing of oblique shearers was carried out , based on finite element and testing stress analysis , through which shortcomings of the shearer can be found out and improvement is possible 文摘:在理论分析、有限元计算和机架模型应力分析的基础上对四米斜刃剪切机进行了综合测试，为剪切机的改造提供科学依据。
O . kuntze ) on the tolerance of chinese pine ( pinus tabulaeformis carr . ) to zn and cd . yields of mycorrhizal plants were much higher than those of non - mycorrhizal controls in soil amended with either zn or cd 为阐明外生菌根真菌影响宿主植物对重金属的耐性机理，发挥外生菌根在重金属污染土壤上的植被恢复和生态重建中的作用提供科学依据。
According to the quantitative analysis of many risk factors in a region of chemicals terminal , exponents of regional environment risk degree are concluded , which can provide the risk controlling and management with scientific guidelines 在定量评价区域内多个风险因素的基础上，得到区域环境风险的综合指数或风险度，为控制和管理风险提供科学依据。
Simulation and optimization of the gas field in pemfc numerically simulate mass transfer processing , which gives a scientific guide to the gas field optimization design and will be applied widely in the progress of pemfc design 气场模拟与优化是对电池内的物质传输过程进行数值模拟，因可为电池堆的气场优化设计提供科学依据，必将得到广泛应用。
Intention : realize and command the circs about liuzhou students hurt by animals in 2003 - 2006 , know the popular characteristic and rule about animal - attack , offer scientific way to control and defend against the animal - attack 目的：了解和掌握柳州市2003 ? 2006年中小学生动物致伤情况，掌握动物致伤的流行特点和规律，为预防和控制动物致伤提供科学依据。
Nacre is one of the general construction units of mollusk shells , thoroughly studying on it can provide insight not only into the pearl - culture , but also into fabrication of advanced organic - inorganic composite materials 珍珠层是软体动物硬壳中普遍发育的一种结构单元，对其进行深入研究可为人工培育珍珠及制造现代有机-无机复合材料提供科学依据。
It shall provide the science evidence for establishing the sustainable development goals and stratagem decision - making of water resources , and the theory foundation for establishing the sustainable development stratagem of economy and sociality 它将为制定水资源的可持续发展目标和战略决策提供科学依据，为制定社会、经济可持续发展战略提供理论基础。
Automatic biochemical analyzer is mainly used in the detection of various biochemical indexes of body fluid . the difference of the indexes brings much scientific information that can help doctors make a judge about the state of patient 全自动生化分析仪主要用于对人体体液中的各种生化指标进行检测，根据生化指标的差异，为医生确定病人病情提供科学依据。
Objective : to study the growth of the hand and wrist bones of kazak children and its rule ofdevelopment , getting scientific evidence for deciding the standard of the skeletal age of childrenand adolescent 目的：了解哈萨克族儿童青少年手和腕部骨骼发育情况，探讨其发育规律，并为制定哈萨克族儿童青少年骨龄标准提供科学依据，同时也为临床医学和人类学提供资料。
Summary intention : realize and command the circs about liuzhou students hurt by animals in 2003 - 2006 , know the popular characteristic and rule about animal - attack , offer scientific way to control and defend against the animal - attack 目的：了解和掌握柳州市2003 ? 2006年中小学生动物致伤情况，掌握动物致伤的流行特点和规律，为预防和控制动物致伤提供科学依据。
