依据

Systematical variations of silica contents and silicon isotope compo- sitions are observed from their roots to stem to leaves, which provide us reliable evidences for studying the mechanisms of adsorption, transpor- tation and precipitation of silicon in plants, as well as the role of plants in silicon biogeochemical cycle.

由根往茎叶，硅的含量与同位素组成呈规律性变化。为研究植物中硅的吸收、搬运与沉淀机制，探讨植物在硅的生物地球化学循环中的作用提供依据。

It will provide scientific basis for applying fertilizer rationly during biogeochemistry cycles of C, N and global climatic change.

为农田生态系统碳、氮的生物地球化学循环及全球变化下农业生产中肥料的合理施用提供科学依据。

A process-based biogeography model MAPSS was improved in accordance with the relationship between vegetation distribution and climate over China.

6，对基于过程的生态模式MAPSS依据我国植被分布与气候的关系进行了改进，并模拟了我国潜在植被在未来气候变化的情景下的可能变化。

Biological clock is a doctor for patients in a day in which the basis for the time to take medicine.

生物钟是医生安排病人在一天中哪一时间吃药的依据。

By using the reaction of biological individual, population and community to environmental pollution,biological monitoring expounded the pollution state,provided monitoring and evaluating basis to environmental quality.

厉以强，生物监测的意义、现状及展望生物监测指利用生物个体、种群或群落对环境污染或变化所产生的反应阐明污染状况，为环境质量的监测和评价提供依据。

Although theoretical principles have been proposed for designing the nature reserve based on the knowledge of island biological geography, population viability analysis and landscape ecology, they appear unsuitable in practice.

运用地理信息系统为工具，以盐城自然保护区为实例研究，针对当前自然保护区理论存在的设计规划方法的不足，提出了一套具有科学理论依据的操作性较强的保护区设计规划方法。

All these experimental results provide basis for biological research on ultra-weak bioluminescence and practical usage in medical science and envirornment protection.

上述结论为超微弱发光现象的生物学理论研究和医学及环境保护中的应用提供了实验依据。

It will also filled the gap between China and the world in the aera of injury biomechanics.

为建立我国自己的汽车安全法规提供以生物力学为基础的理论依据。

Furthermore, we also analyzed the biochemical and biophysical characterizations of necl-1 Ig V domain in this thesis.

本论文还对necl-1 Ig V domain的理化性质进行了详细分析，为进一步功能研究提供了依据。

Such a sequence strati-graphic system has been constructed for the first time in the Paleozoic strata in the northern part of the Tarim basin, which mainly depends on the study of outcrop sequence stratigraphy combined with the results of seismic stratigraphy and biostratigraphy.

本文以露头剖面的层序地层研究为主要依据，结合生物地层和地震地层的研究成果，在进行详细层序划分的基础上，在塔里木盆地北部古生代地层中建立起了由不同周期叠加的海平面变化所控制的不同级次的层序所组成的层序地层系统。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐