系统学

Keywords Elodea Canadensis Michx;ecosystem rehabilitation;water ecosystem;ability of purification;photosynthesis;environmental factor;bi-pollution

Article From 河海大学；环境科学硕士论文 2005年度伊乐藻；生态修复；水生态系统；净化能力；光合作用；环境因子；二次污染

Based on the high-resolution sequence stratigraphy and subsidence analyses of 73 wells in the Beryl Embayment, Viking Graben, North Sea , this paper tries to describe the sedimentation and subsidence models of the Middle-Late Jurassic syn-rift phase, andto determine the timing and location of boundary fault linkage and variation of active extension directions, and their control onsedimentation and .

根据北海维京地堑Beryl淘73口井的高分辨率层序地层学分析和高分辨率沉降分析，阐明中、晚侏罗世沉积和沉降模式，确定应力场的变化及边界断层的连锁对沉积和含油气系统的控制作用。

This is a small ucosII system source code, embedded operating system for students who have good learning and reference, and they hope to help everyone.

详细说明：这是一个ucosII小系统的源代码，对于在学嵌入式操作系统的人来说有很好的学习和参考作用，希望对大家有帮助。

This paper discuss the character of jacquard knitting technics ,we analyse the relationships between knitting technics and embossment graph and give a math model.

本文讨论了针织纬编电脑提花大圆机编织工艺的特点，然后对编织工艺与图形学中的浮雕图形的特点进行分析，提出其完整的电脑提花大圆机编织工艺的浮雕算法数学模型，同时对模型中的几个关键参数进行了讨论，最后给出了该算法在花型系统中的应用成果。

The proposed system is simple, comprehensive, and conforms with present embryological knowledge.

所建议的这一系统既简单又全面，并且符合现在胚胎学知识。

Based on the theory of atomic spectroscopy,a double line of atomic emission spectroscopy is used to measure the temperature of explosion products of aluminiferous emulsion explosive continuously.

根据原子光谱学理论，利用原子发射光谱双谱线测温系统对含铝乳胶炸药的爆炸产物温度进行了实时测量，获得了爆炸产物瞬态温度-时间分布曲线，分析了不同配比炸药造成爆炸产物温度出现差异的原因。

This is the website of the Department of Systematic Biology – Entomology, Smithsonian National Museum of Natural History.

这是系统生物学部－昆虫学，Smithsonian国家自然历史博物馆的网站。

The superiority of entomology consulting system is analyzed.

分析了昆虫学查询系统的优越性。

No matter which kind of mode, by the teaching purpose, teaching program, function way, four respects of teaching environment make up . From the inspiration of the combination of learning and thinking and enlightening of Confucius, to the thought " midwife skill " of Socrates, from " Esthesia—Memory—Understand ---Judge" of J.A.Comenius to "Klarheit— Assoziation— System— Method "of J.F.

不论何种模式，均由教学目的、教学程序、作用方式、教学环境四方面组成，从孔子的学思结合，启发诱导思想到苏格拉底的"产婆术"，从夸美纽斯的感知—记忆—理解—判断到赫尔巴特的明了—联合—系统—方法，从凯洛夫的六环节教学模式到现代各种教学模式，对地理教学均有理论指导意义和实践意义。

System for design approaches culled from such fields as ethology

计研究，利用系统的方法来作设计研究，从民族精神学的方法里

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。